merge mainline into ofconsole

ChangeLog

@@ -1,3 +1,271 @@
+2009-12-18  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	Fix potential EfiEmu double prepare.
+
+	* efiemu/main.c (prepared): New variable
+	(grub_efiemu_unload): Set prepare to '0'.
+	(grub_efiemu_prepare): Return if already prepared. Set prepared.
+
+	set_virtual_address_map support.
+
+	* include/grub/efi/efi.h (grub_efi_set_virtual_address_map): New
+	prototype.
+	* include/grub/efiemu/efiemu.h (grub_efiemu_write_sym_markers): New
+	prototype.
+	(grub_efiemu_crc32): Likewise.
+	(grub_efiemu_crc64): Likewise.
+	(grub_efiemu_set_virtual_address_map): Likewise.
+	* include/grub/autoefi.h (grub_autoefi_exit_boot_services):
+	New definition.
+	(grub_autoefi_set_virtual_address_map): Likewise.
+	* kern/efi/efi.c (grub_efi_set_virtual_address_map): New function.
+	* loader/i386/xnu.c (grub_xnu_boot): Call set_virtual_address_map.
+	Restructure flow to accomodate it.
+	* efiemu/prepare.c (grub_efiemu_prepare): Support set_virtual_address_map.
+	(grub_efiemu_crc): Recompute CRC32.
+	* efiemu/runtime/efiemu.c (ptv_relocated): Renamed to ...
+	(efiemu_ptv_relocated): ... this. Made global. All users updated.
+	* efiemu/symbols.c (relocated_handle): New variable.
+	(grub_efiemu_free_syms): Free relocated_handle.
+	(grub_efiemu_alloc_syms): Allocate relocated_handle.
+	(grub_efiemu_write_sym_markers): New function.
+	(grub_efiemu_set_virtual_address_map): Likewise.
+
+	Newer XNU parameters.
+
+	* include/grub/i386/xnu.h (GRUB_XNU_BOOTARGS_VERMINOR): Change to 5.
+	* include/grub/xnu.h (grub_xnu_extheader): Add nameaddr and namesize.
+	(grub_xnu_fill_devicetree): New prototype.
+	(grub_xnu_heap_real_start): New variable.
+	* loader/xnu.c (get_name_ptr): New function.
+	(grub_xnu_load_driver): Fill namelen and name.
+
+	64-bit xnu support.
+
+	* conf/i386-efi.rmk (xnu_mod_SOURCES): Add 'loader/macho32.c'
+	and 'loader/macho64.c'.
+	* conf/i386-pc.rmk: Likewise.
+	* conf/x86_64-efi.rmk: Likewise.
+	* include/grub/i386/macho.h (grub_macho_thread64): New structure.
+	* include/grub/xnu.h (grub_xnu_is_64bit): New variable.
+	* include/grub/macho.h (grub_macho_segment64): New structure.
+	* include/grub/machoload.h (grub_macho32_size): Renamed from ...
+	(grub_macho_size32): ... to this.
+	(grub_macho32_get_entry_point): Renamed from ...
+	(grub_macho_get_entry_point32): ... to this.
+	(grub_macho_contains_macho64): New prototype.
+	(grub_macho_size64): Likewise.
+	(grub_macho_get_entry_point64): Likewise.
+	(grub_macho32_load): Renamed from ...
+	(grub_macho_load32): ... to this.
+	(grub_macho32_filesize): Renamed from ...
+	(grub_macho_filesize32): ... to this.
+	(grub_macho32_readfile): Renamed from ...
+	(grub_macho_readfile32): ... to this.
+	(grub_macho_filesize64): New prototype.
+	(grub_macho_readfile64): Likewise.
+	(grub_macho_parse32): Likewise.
+	(grub_macho_parse64): Likewise.
+	* loader/macho.c: Split into ...
+	* loader/machoXX.c: ... and this. Replace 32 with XX.
+	* loader/macho32.c: New file.
+	* loader/macho64.c: Likewise.
+	* loader/xnu.c (grub_xnu_is_64bit): New variable.
+	(grub_cmd_xnu_kernel): Make 32-bit only.
+	(grub_cmd_xnu_kernel64): New function.
+	(grub_xnu_load_driver): Support Mach-O 64.
+	(grub_cmd_xnu_mkext): Likewise.
+	* util/grub.d/30_os-prober.in (osx_entry): New function.
+	Generate entries for 64-bit boot too.
+
+	Eliminate ad-hoc tree format in XNU and EfiEmu.
+
+	* efiemu/main.c (grub_efiemu_prepare): Update comment.
+	* efiemu/pnvram.c: Rewritten to use environment variables.
+	All users updated.
+
+	Inline utf16_to_utf8.
+
+	* kern/misc.c (grub_utf16_to_utf8): Move from here ...
+	* include/grub/charset.h (grub_utf16_to_utf8): ... to here. Inlined.
+	All users updated.
+	* include/grub/misc.h (grub_utf16_to_utf8): Removed.
+
+	* bus/usb/usb.c (grub_usb_get_string): Move from here ...
+	* commands/usbtest.c (grub_usb_get_string): ... move here.
+	(usb_print_str): Fix error handling.
+	* include/grub/usb.h (grub_usb_get_string): Remove.
+
+	UTF-8 to UTF-16 transformation.
+
+	* conf/common.rmk (pkglib_MODULES): Add charset.mod
+	(charset_mod_SOURCES): New variable.
+	(charset_mod_CFLAGS): Likewise.
+	(charset_mod_LDFLAGS): Likewise.
+	* include/grub/utf.h: New file.
+	* lib/utf.c: New file. (Based on grub_utf8_to_ucs4 from kern/misc.c)
+
+	Support for device properties.
+
+	* include/grub/i386/xnu.h (grub_xnu_devprop_header): New structure.
+	(grub_xnu_devprop_device_header): Likewise.
+	(grub_xnu_devprop_device_descriptor): Likewise.
+	(grub_xnu_devprop_add_device): New prototype.
+	(grub_xnu_devprop_remove_device): Likewise.
+	(grub_xnu_devprop_remove_property): Likewise.
+	(grub_xnu_devprop_add_property_utf8): Likewise.
+	(grub_xnu_devprop_add_property_utf16): Likewise.
+	(grub_cpu_xnu_init): Likewise.
+	(grub_cpu_xnu_fini): Likewise.
+	(grub_cpu_xnu_unload): Likewise.
+	* loader/i386/xnu.c (grub_xnu_devprop_device_descriptor): New structure.
+	(property_descriptor): Likewise.
+	(devices): New variable.
+	(grub_xnu_devprop_remove_property): New function.
+	(grub_xnu_devprop_add_device): Likewise.
+	(grub_xnu_devprop_remove_device): Likewise.
+	(grub_xnu_devprop_add_property): Likewise.
+	(grub_xnu_devprop_add_property_utf8): Likewise.
+	(grub_xnu_devprop_add_property_utf16): Likewise.
+	(hextoval): Likewise.
+	(grub_cpu_xnu_fill_devprop): Likewise.
+	(grub_cmd_devprop_load): Likewise.
+	(grub_xnu_boot): Call grub_cpu_xnu_fill_devprop,
+	grub_xnu_fill_devicetree, grub_xnu_fill_devicetree
+	(cmd_devprop_load): New variable.
+	(grub_cpu_xnu_init): New function.
+	(grub_cpu_xnu_fini): Likewise.
+	* loader/i386/xnu.c (grub_xnu_unload): Call grub_cpu_xnu_unload.
+	* loader/xnu.c (grub_xnu_parse_devtree): Remove.
+	(grub_cmd_xnu_devtree): Likewise.
+	(hextoval): New function.
+	(unescape): Likewise.
+	(grub_xnu_fill_devicetree): Likewise.
+
+	* util/grub.d/30_os-prober.in: Load devprop.bin. Don't load devtree.txt.
+	* util/i386/efi/grub-dumpdevtree: Generate devprop.bin.
+
+2009-12-18  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	Workaround for broken ATI VBE.
+
+	* video/i386/pc/vbe.c (last_set_mode): New variable.
+	(grub_vbe_set_video_mode): Set 'last_set_mode'.
+	(grub_vbe_get_video_mode): Use 'last_set_mode' if get_mode fails.
+	(grub_video_vbe_setup): Don't check for reserved flag.
+
+2009-12-17 Felix Zielcke <fzielcke@z-51.de>
+
+	* gendistlist.sh: Use POSIX compliant `!' instead of `-not' in
+	the `find' command.
+
+2009-12-16  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	UUID support for HFS.
+
+	* fs/hfs.c (grub_hfs_uuid): New function.
+	(grub_hfs_fs): New value .uuid.
+	* include/grub/hfs.h (grub_hfs_sblock): New field 'num_serial'.
+
+2009-12-14 Felix Zielcke <fzielcke@z-51.de>
+
+	Fix a segfault with parsing unknown long options.
+
+	* util/grub-mkrelpath.c (options): Zero terminate it.
+
+2009-12-13  Carles Pina i Estany  <carles@pina.cat>
+
+	* include/grub/misc.h (grub_puts): New declaration.
+	(grub_puts_): Likewise.
+	* kern/mis.c (grub_puts): New definition.
+	(grub_puts_): Likewise.
+
+2009-12-13  Robert Millan  <rmh.grub@aybabtu.com>
+
+	* util/grub-probe.c (probe): Improve error message.
+
+2009-12-13  Robert Millan  <rmh.grub@aybabtu.com>
+
+	* loader/i386/multiboot_elfxx.c
+	(CONCAT(grub_multiboot_load_elf, XX)): Fix `grub_multiboot_payload_eip'
+	initialization.
+
+2009-12-13  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	Relocator framework
+
+	* loader/i386/xnu_helper.S: Removed. All users updated.
+	* conf/i386.rmk (pkglib_MODULES): Add relocator.mod.
+	(relocator_mod_SOURCES): New variable.
+	(relocator_mod_CFLAGS): Likewise.
+	(relocator_mod_LDFLAGS): Likewise.
+	(relocator_mod_ASFLAGS): Likewise.
+	* conf/x86_64.rmk: Likewise.
+	* include/grub/i386/multiboot.h (grub_multiboot_payload_orig): Removed.
+	(grub_multiboot_payload_entry_offset): Likewise.
+	(grub_multiboot_forward_relocator): Likewise.
+	(grub_multiboot_forward_relocator_end): Likewise.
+	(grub_multiboot_backward_relocator): Likewise.
+	(grub_multiboot_backward_relocator_end): Likewise.
+	(grub_multiboot_payload_eip): New variable.
+	(grub_multiboot_payload_orig): Likewise.
+	* include/grub/i386/pc/memory.h: Include grub/i386/memory.h.
+	(GRUB_MEMORY_MACHINE_CR0_PE_ON): Move from here ...
+	* include/grub/i386/memory.h
+	(GRUB_MEMORY_CPU_CR0_PE_ON): ... to here
+	(GRUB_MEMORY_CPU_CR4_PAE_ON): New definition.
+	(GRUB_MEMORY_CPU_CR0_PAGING_ON): Likewise.
+	(GRUB_MEMORY_CPU_AMD64_MSR): Likewise.
+	(GRUB_MEMORY_CPU_AMD64_MSR_ON): Likewise.
+	* include/grub/i386/relocator.h: New file.
+	* include/grub/x86_64/relocator.h: Likewise.
+	* include/grub/i386/xnu.h: Include grub/cpu/relocator.h.
+	(XNU_RELOCATOR): New macro.
+	(grub_xnu_launcher_start): Remove.
+	(grub_xnu_launcher_end): Likewise.
+	* include/grub/xnu.h (grub_xnu_boot_resume): New prototype.
+	(grub_xnu_heap_real_start): Remove.
+	(grub_xnu_heap_start): Change to void *. All users updated.
+	* kern/i386/realmode.S (real_to_prot): Use GRUB_MEMORY_CPU_CR0_PE_ON.
+	* lib/i386/relocator.c: New file.
+	* lib/i386/relocator_asm.S: Likewise.
+	* lib/i386/relocator_backward.S: Likewise.
+	* lib/mips/relocator.c: Likewise.
+	* lib/mips/relocator_asm.S: Likewise.
+	* lib/relocator.c: Likewise.
+	* loader/i386/multiboot.c: Include grub/i386/relocator.h.
+	(entry): Removed.
+	(playground): Likewise.
+	(grub_multiboot_payload_orig): New variable.
+	(grub_multiboot_payload_dest): Likewise.
+	(grub_multiboot_payload_size): Likewise.
+	(grub_multiboot_payload_eip): Likewise.
+	(grub_multiboot_payload_esp): Likewise.
+	(grub_multiboot_boot): Use grub_relocator32_boot.
+	(grub_multiboot_unload): Free relocators.
+	(grub_multiboot): Setup stack. Use relocators.
+	* loader/i386/multiboot_elfxx.c: Include grub/i386/relocator.h.
+	(grub_multiboot_load_elfXX): Use relocators.
+	* loader/i386/multiboot_helper.S (grub_multiboot_payload_orig): Removed.
+	(grub_multiboot_payload_size): Likewise.
+	(grub_multiboot_payload_dest): Likewise.
+	(grub_multiboot_payload_entry_offset): Likewise.
+	(grub_multiboot_forward_relocator): Likewise.
+	(grub_multiboot_backward_relocator): Likewise.
+	(grub_multiboot_real_boot): Likewise.
+	* loader/i386/xnu.c (grub_xnu_heap_will_be_at): New variable.
+	(grub_xnu_entry_point): Likewise.
+	(grub_xnu_arg1): Likewise.
+	(grub_xnu_stack): Likewise.
+	(grub_xnu_launch): Removed.
+	(grub_xnu_boot_resume): New function.
+	(grub_xnu_boot): Use relocators.
+	* loader/i386/xnu_helper.S: Removed.
+	* loader/xnu.c (grub_xnu_heap_start): New variable.
+	(grub_xnu_heap_size): Likewise.
+	(grub_xnu_heap_malloc): Use relocators.
+	* loader/xnu_resume.c (grub_xnu_resume): Use relocators.
+
 2009-12-13  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	* kern/i386/pc/startup.S (multiboot_entry): Setup stack before calling

bus/usb/usb.c

@@ -155,42 +155,6 @@ grub_usb_get_endpdescriptor (grub_usb_device_t usbdev, int addr)
   return NULL;
 }
 
-grub_usb_err_t
-grub_usb_get_string (grub_usb_device_t dev, grub_uint8_t index, int langid,
-		     char **string)
-{
-  struct grub_usb_desc_str descstr;
-  struct grub_usb_desc_str *descstrp;
-  grub_usb_err_t err;
-
-  /* Only get the length.  */
-  err = grub_usb_control_msg (dev, 1 << 7,
-			      0x06, (3 << 8) | index,
-			      langid, 1, (char *) &descstr);
-  if (err)
-    return err;
-
-  descstrp = grub_malloc (descstr.length);
-  if (! descstrp)
-    return GRUB_USB_ERR_INTERNAL;
-  err = grub_usb_control_msg (dev, 1 << 7,
-			      0x06, (3 << 8) | index,
-			      langid, descstr.length, (char *) descstrp);
-
-  *string = grub_malloc (descstr.length / 2);
-  if (! *string)
-    {
-      grub_free (descstrp);
-      return GRUB_USB_ERR_INTERNAL;
-    }
-
-  grub_utf16_to_utf8 ((grub_uint8_t *) *string, descstrp->str, descstrp->length / 2 - 1);
-  (*string)[descstr.length / 2 - 1] = '\0';
-  grub_free (descstrp);
-
-  return GRUB_USB_ERR_NONE;
-}
-
 grub_usb_err_t
 grub_usb_device_initialize (grub_usb_device_t dev)
 {

commands/usbtest.c

@@ -19,6 +19,7 @@
 
 #include <grub/types.h>
 #include <grub/misc.h>
+#include <grub/charset.h>
 #include <grub/mm.h>
 #include <grub/err.h>
 #include <grub/dl.h>
@@ -59,18 +60,60 @@ static const char *usb_devspeed[] =
     "High"
   };
 
+static grub_usb_err_t
+grub_usb_get_string (grub_usb_device_t dev, grub_uint8_t index, int langid,
+		     char **string)
+{
+  struct grub_usb_desc_str descstr;
+  struct grub_usb_desc_str *descstrp;
+  grub_usb_err_t err;
+
+  /* Only get the length.  */
+  err = grub_usb_control_msg (dev, 1 << 7,
+			      0x06, (3 << 8) | index,
+			      langid, 1, (char *) &descstr);
+  if (err)
+    return err;
+
+  descstrp = grub_malloc (descstr.length);
+  if (! descstrp)
+    return GRUB_USB_ERR_INTERNAL;
+  err = grub_usb_control_msg (dev, 1 << 7,
+			      0x06, (3 << 8) | index,
+			      langid, descstr.length, (char *) descstrp);
+
+  *string = grub_malloc (descstr.length / 2);
+  if (! *string)
+    {
+      grub_free (descstrp);
+      return GRUB_USB_ERR_INTERNAL;
+    }
+
+  grub_utf16_to_utf8 ((grub_uint8_t *) *string, descstrp->str, descstrp->length / 2 - 1);
+  (*string)[descstr.length / 2 - 1] = '\0';
+  grub_free (descstrp);
+
+  return GRUB_USB_ERR_NONE;
+}
+
 static void
 usb_print_str (const char *description, grub_usb_device_t dev, int idx)
 {
   char *name;
+  grub_usb_err_t err;
   /* XXX: LANGID  */
 
   if (! idx)
     return;
 
-  grub_usb_get_string (dev, idx, 0x0409, &name);
+  err = grub_usb_get_string (dev, idx, 0x0409, &name);
+  if (err)
+    grub_printf ("Error %d retrieving %s\n", err, description);
+  else
+    {
       grub_printf ("%s: `%s'\n", description, name);
       grub_free (name);
+    }
 }
 
 static int

conf/common.rmk

@@ -638,3 +638,8 @@ pkglib_MODULES += setjmp.mod
 setjmp_mod_SOURCES = lib/$(target_cpu)/setjmp.S
 setjmp_mod_ASFLAGS = $(COMMON_ASFLAGS)
 setjmp_mod_LDFLAGS = $(COMMON_LDFLAGS)
+
+pkglib_MODULES += charset.mod
+charset_mod_SOURCES = lib/charset.c
+charset_mod_CFLAGS = $(COMMON_CFLAGS)
+charset_mod_LDFLAGS = $(COMMON_LDFLAGS)

conf/i386-efi.rmk

@@ -154,8 +154,8 @@ efi_gop_mod_CFLAGS = $(COMMON_CFLAGS)
 efi_gop_mod_LDFLAGS = $(COMMON_LDFLAGS)
 
 pkglib_MODULES += xnu.mod
-xnu_mod_SOURCES = loader/xnu_resume.c loader/i386/xnu.c loader/i386/efi/xnu.c\
+xnu_mod_SOURCES = loader/xnu_resume.c loader/i386/xnu.c loader/i386/efi/xnu.c \
-	 loader/macho.c loader/xnu.c loader/i386/xnu_helper.S
+	loader/macho32.c loader/macho64.c loader/macho.c loader/xnu.c
 xnu_mod_CFLAGS = $(COMMON_CFLAGS)
 xnu_mod_LDFLAGS = $(COMMON_LDFLAGS)
 xnu_mod_ASFLAGS = $(COMMON_ASFLAGS)

conf/i386-pc.rmk

@@ -183,8 +183,8 @@ linux_mod_CFLAGS = $(COMMON_CFLAGS)
 linux_mod_LDFLAGS = $(COMMON_LDFLAGS)
 
 pkglib_MODULES += xnu.mod
-xnu_mod_SOURCES = loader/xnu_resume.c loader/i386/xnu.c loader/i386/pc/xnu.c\
+xnu_mod_SOURCES = loader/xnu_resume.c loader/i386/xnu.c loader/i386/pc/xnu.c \
-	 loader/macho.c loader/xnu.c loader/i386/xnu_helper.S
+	 loader/macho32.c loader/macho64.c loader/macho.c loader/xnu.c
 xnu_mod_CFLAGS = $(COMMON_CFLAGS)
 xnu_mod_LDFLAGS = $(COMMON_LDFLAGS)
 xnu_mod_ASFLAGS = $(COMMON_ASFLAGS)

conf/i386.rmk

@@ -15,6 +15,12 @@ vga_text_mod_SOURCES = term/i386/pc/vga_text.c term/i386/vga_common.c
 vga_text_mod_CFLAGS = $(COMMON_CFLAGS)
 vga_text_mod_LDFLAGS = $(COMMON_LDFLAGS)
 
+pkglib_MODULES += relocator.mod
+relocator_mod_SOURCES = lib/i386/relocator.c lib/i386/relocator_asm.S lib/i386/relocator_backward.S
+relocator_mod_CFLAGS = $(COMMON_CFLAGS)
+relocator_mod_ASFLAGS = $(COMMON_ASFLAGS)
+relocator_mod_LDFLAGS = $(COMMON_LDFLAGS)
+
 pkglib_MODULES += ata.mod
 ata_mod_SOURCES = disk/ata.c
 ata_mod_CFLAGS = $(COMMON_CFLAGS)

conf/x86_64-efi.rmk

@@ -160,10 +160,16 @@ efi_gop_mod_CFLAGS = $(COMMON_CFLAGS)
 efi_gop_mod_LDFLAGS = $(COMMON_LDFLAGS)
 
 pkglib_MODULES += xnu.mod
-xnu_mod_SOURCES = loader/xnu_resume.c loader/i386/xnu.c loader/i386/efi/xnu.c\
+xnu_mod_SOURCES = loader/xnu_resume.c loader/i386/xnu.c loader/i386/efi/xnu.c \
-	 loader/macho.c loader/xnu.c loader/i386/xnu_helper.S
+	loader/macho32.c loader/macho64.c loader/macho.c loader/xnu.c
 xnu_mod_CFLAGS = $(COMMON_CFLAGS)
 xnu_mod_LDFLAGS = $(COMMON_LDFLAGS)
 xnu_mod_ASFLAGS = $(COMMON_ASFLAGS)
 
+pkglib_MODULES += relocator.mod
+relocator_mod_SOURCES = lib/i386/relocator.c lib/i386/relocator_asm.S lib/i386/relocator_backward.S
+relocator_mod_CFLAGS = $(COMMON_CFLAGS)
+relocator_mod_ASFLAGS = $(COMMON_ASFLAGS)
+relocator_mod_LDFLAGS = $(COMMON_LDFLAGS)
+
 include $(srcdir)/conf/common.mk

efiemu/main.c

@@ -39,6 +39,7 @@ grub_efi_system_table64_t *grub_efiemu_system_table64 = 0;
 static struct grub_efiemu_prepare_hook *efiemu_prepare_hooks = 0;
 /* Linked list of configuration tables */
 static struct grub_efiemu_configuration_table *efiemu_config_tables = 0;
+static int prepared = 0;
 
 /* Free all allocated space */
 grub_err_t
@@ -70,6 +71,8 @@ grub_efiemu_unload (void)
     }
   efiemu_prepare_hooks = 0;
 
+  prepared = 0;
+
   return GRUB_ERR_NONE;
 }
 
@@ -277,14 +280,19 @@ grub_efiemu_prepare (void)
 {
   grub_err_t err;
 
+  if (prepared)
+    return GRUB_ERR_NONE;
+
   grub_dprintf ("efiemu", "Preparing %d-bit efiemu\n",
 		8 * grub_efiemu_sizeof_uintn_t ());
 
   err = grub_efiemu_autocore ();
 
-  /* Create NVRAM if not yet done. */
+  /* Create NVRAM. */
   grub_efiemu_pnvram ();
 
+  prepared = 1;
+
   if (grub_efiemu_sizeof_uintn_t () == 4)
     return grub_efiemu_prepare32 (efiemu_prepare_hooks, efiemu_config_tables);
   else
@@ -316,9 +324,6 @@ grub_cmd_efiemu_load (grub_command_t cmd __attribute__ ((unused)),
 
 static grub_command_t cmd_loadcore, cmd_prepare, cmd_unload;
 
-void
-grub_efiemu_pnvram_cmd_register (void);
-
 GRUB_MOD_INIT(efiemu)
 {
   cmd_loadcore = grub_register_command ("efiemu_loadcore",
@@ -332,7 +337,6 @@ GRUB_MOD_INIT(efiemu)
   cmd_unload = grub_register_command ("efiemu_unload", grub_cmd_efiemu_unload,
 				      "efiemu_unload",
 				      "Unload  EFI emulator");
-  grub_efiemu_pnvram_cmd_register ();
 }
 
 GRUB_MOD_FINI(efiemu)
@@ -340,5 +344,4 @@ GRUB_MOD_FINI(efiemu)
   grub_unregister_command (cmd_loadcore);
   grub_unregister_command (cmd_prepare);
   grub_unregister_command (cmd_unload);
-  grub_efiemu_pnvram_cmd_unregister ();
 }

efiemu/pnvram.c

@@ -22,6 +22,7 @@
 #include <grub/normal.h>
 #include <grub/mm.h>
 #include <grub/misc.h>
+#include <grub/charset.h>
 #include <grub/efiemu/efiemu.h>
 #include <grub/efiemu/runtime.h>
 #include <grub/extcmd.h>
@@ -34,62 +35,184 @@ static int timezone_handle = 0;
 static int accuracy_handle = 0;
 static int daylight_handle = 0;
 
-/* Temporary place */
-static grub_uint8_t *nvram;
 static grub_size_t nvramsize;
-static grub_uint32_t high_monotonic_count;
-static grub_int16_t timezone;
-static grub_uint8_t daylight;
-static grub_uint32_t accuracy;
-
-static const struct grub_arg_option options[] = {
-  {"size", 's', 0, "number of bytes to reserve for pseudo NVRAM", 0,
-   ARG_TYPE_INT},
-  {"high-monotonic-count", 'm', 0,
-   "Initial value of high monotonic count", 0, ARG_TYPE_INT},
-  {"timezone", 't', 0,
-   "Timezone, offset in minutes from GMT", 0, ARG_TYPE_INT},
-  {"accuracy", 'a', 0,
-   "Accuracy of clock, in 1e-12 units", 0, ARG_TYPE_INT},
-  {"daylight", 'd', 0,
-   "Daylight value, as per EFI specifications", 0, ARG_TYPE_INT},
-  {0, 0, 0, 0, 0, 0}
-};
 
 /* Parse signed value */
 static int
-grub_strtosl (char *arg, char **end, int base)
+grub_strtosl (const char *arg, char **end, int base)
 {
   if (arg[0] == '-')
     return -grub_strtoul (arg + 1, end, base);
   return grub_strtoul (arg, end, base);
 }
 
+static inline int
+hextoval (char c)
+{
+  if (c >= '0' && c <= '9')
+    return c - '0';
+  if (c >= 'a' && c <= 'z')
+    return c - 'a' + 10;
+  if (c >= 'A' && c <= 'Z')
+    return c - 'A' + 10;
+  return 0;
+}
+
+static inline grub_err_t
+unescape (char *in, char *out, char *outmax, int *len)
+{
+  char *ptr, *dptr;
+  dptr = out;
+  for (ptr = in; *ptr && dptr < outmax; )
+    if (*ptr == '%' && ptr[1] && ptr[2])
+      {
+	*dptr = (hextoval (ptr[1]) << 4) | (hextoval (ptr[2]));
+	ptr += 3;
+	dptr++;
+      }
+    else
+      {
+	*dptr = *ptr;
+	ptr++;
+	dptr++;
+      }
+  if (dptr == outmax)
+    return grub_error (GRUB_ERR_OUT_OF_MEMORY,
+		       "Too many NVRAM variables for reserved variable space."
+		       " Try increasing EfiEmu.pnvram.size.");
+  *len = dptr - out;
+  return 0;
+}
+
 /* Export stuff for efiemu */
 static grub_err_t
 nvram_set (void * data __attribute__ ((unused)))
 {
+  const char *env;
   /* Take definitive pointers */
-  grub_uint8_t *nvram_def = grub_efiemu_mm_obtain_request (nvram_handle);
+  char *nvram = grub_efiemu_mm_obtain_request (nvram_handle);
   grub_uint32_t *nvramsize_def
     = grub_efiemu_mm_obtain_request (nvramsize_handle);
-  grub_uint32_t *high_monotonic_count_def
+  grub_uint32_t *high_monotonic_count
     = grub_efiemu_mm_obtain_request (high_monotonic_count_handle);
-  grub_int16_t *timezone_def
+  grub_int16_t *timezone
     = grub_efiemu_mm_obtain_request (timezone_handle);
-  grub_uint8_t *daylight_def
+  grub_uint8_t *daylight
     = grub_efiemu_mm_obtain_request (daylight_handle);
-  grub_uint32_t *accuracy_def
+  grub_uint32_t *accuracy
     = grub_efiemu_mm_obtain_request (accuracy_handle);
+  char *nvramptr;
+
+  auto int iterate_env (struct grub_env_var *var);
+  int iterate_env (struct grub_env_var *var)
+  {
+    char *guid, *attr, *name, *varname;
+    struct efi_variable *efivar;
+    int len = 0;
+    int i;
+    grub_uint64_t guidcomp;
+
+    if (grub_memcmp (var->name, "EfiEmu.pnvram.",
+		     sizeof ("EfiEmu.pnvram.") - 1) != 0)
+      return 0;
+
+    guid = var->name + sizeof ("EfiEmu.pnvram.") - 1;
+
+    attr = grub_strchr (guid, '.');
+    if (!attr)
+      return 0;
+    attr++;
+
+    name = grub_strchr (attr, '.');
+    if (!name)
+      return 0;
+    name++;
+
+    efivar = (struct efi_variable *) nvramptr;
+    if (nvramptr - nvram + sizeof (struct efi_variable) > nvramsize)
+      {
+	grub_error (GRUB_ERR_OUT_OF_MEMORY,
+		    "Too many NVRAM variables for reserved variable space."
+		    " Try increasing EfiEmu.pnvram.size.");
+	return 1;
+      }
+
+    nvramptr += sizeof (struct efi_variable);
+
+    efivar->guid.data1 = grub_cpu_to_le32 (grub_strtoul (guid, &guid, 16));
+    if (*guid != '-')
+      return 0;
+    guid++;
+
+    efivar->guid.data2 = grub_cpu_to_le16 (grub_strtoul (guid, &guid, 16));
+    if (*guid != '-')
+      return 0;
+    guid++;
+
+    efivar->guid.data3 = grub_cpu_to_le16 (grub_strtoul (guid, &guid, 16));
+    if (*guid != '-')
+      return 0;
+    guid++;
+
+    guidcomp = grub_strtoull (guid, 0, 16);
+    for (i = 0; i < 8; i++)
+      efivar->guid.data4[i] = (guidcomp >> (56 - 8 * i)) & 0xff;
+
+    efivar->attributes = grub_strtoull (attr, 0, 16);
+
+    varname = grub_malloc (grub_strlen (name) + 1);
+    if (! varname)
+      return 1;
+
+    if (unescape (name, varname, varname + grub_strlen (name) + 1, &len))
+      return 1;
+
+    len = grub_utf8_to_utf16 ((grub_uint16_t *) nvramptr,
+			      (nvramsize - (nvramptr - nvram)) / 2,
+			      (grub_uint8_t *) varname, len, NULL);
+
+    if (len < 0)
+      {
+	grub_error (GRUB_ERR_BAD_ARGUMENT, "Broken UTF-8 in variable name\n");
+	return 1;
+      }
+
+    nvramptr += 2 * len;
+    *((grub_uint16_t *) nvramptr) = 0;
+    nvramptr += 2;
+    efivar->namelen = 2 * len + 2;
+
+    if (unescape (var->value, nvramptr, nvram + nvramsize, &len))
+      {
+	efivar->namelen = 0;
+	return 1;
+      }
+
+    nvramptr += len;
+
+    efivar->size = len;
+
+    return 0;
+  }
 
   /* Copy to definitive loaction */
   grub_dprintf ("efiemu", "preparing pnvram\n");
-  grub_memcpy (nvram_def, nvram, nvramsize);
+
+  env = grub_env_get ("EfiEmu.pnvram.high_monotonic_count");
+  *high_monotonic_count = env ? grub_strtoul (env, 0, 0) : 1;
+  env = grub_env_get ("EfiEmu.pnvram.timezone");
+  *timezone = env ? grub_strtosl (env, 0, 0) : GRUB_EFI_UNSPECIFIED_TIMEZONE;
+  env = grub_env_get ("EfiEmu.pnvram.accuracy");
+  *accuracy = env ? grub_strtoul (env, 0, 0) : 50000000;
+  env = grub_env_get ("EfiEmu.pnvram.daylight");
+  *daylight = env ? grub_strtoul (env, 0, 0) : 0;
+
+  nvramptr = nvram;
+  grub_memset (nvram, 0, nvramsize);
+  grub_env_iterate (iterate_env);
+  if (grub_errno)
+    return grub_errno;
   *nvramsize_def = nvramsize;
-  *high_monotonic_count_def = high_monotonic_count;
-  *timezone_def = timezone;
-  *daylight_def = daylight;
-  *accuracy_def = accuracy;
 
   /* Register symbols */
   grub_efiemu_register_symbol ("efiemu_variables", nvram_handle, 0);
@@ -113,197 +236,27 @@ nvram_unload (void * data __attribute__ ((unused)))
   grub_efiemu_mm_return_request (timezone_handle);
   grub_efiemu_mm_return_request (accuracy_handle);
   grub_efiemu_mm_return_request (daylight_handle);
-
-  grub_free (nvram);
-  nvram = 0;
 }
 
-/* Load the variables file It's in format
+grub_err_t
-   guid1:attr1:name1:data1;
+grub_efiemu_pnvram (void)
-   guid2:attr2:name2:data2;
-   ...
-   Where all fields are in hex
-*/
-static grub_err_t
-read_pnvram (char *filename)
-{
-  char *buf, *ptr, *ptr2;
-  grub_file_t file;
-  grub_size_t size;
-  grub_uint8_t *nvramptr = nvram;
-  struct efi_variable *efivar;
-  grub_size_t guidlen, datalen;
-  unsigned i, j;
-
-  file = grub_file_open (filename);
-  if (!file)
-    return grub_error (GRUB_ERR_BAD_OS, "couldn't read pnvram");
-  size = grub_file_size (file);
-  buf = grub_malloc (size + 1);
-  if (!buf)
-    return grub_error (GRUB_ERR_OUT_OF_MEMORY, "couldn't read pnvram");
-  if (grub_file_read (file, buf, size) != (grub_ssize_t) size)
-    return grub_error (GRUB_ERR_BAD_OS, "couldn't read pnvram");
-  buf[size] = 0;
-  grub_file_close (file);
-
-  for (ptr = buf; *ptr; )
-    {
-      if (grub_isspace (*ptr))
-	{
-	  ptr++;
-	  continue;
-	}
-
-      efivar = (struct efi_variable *) nvramptr;
-      if (nvramptr - nvram + sizeof (struct efi_variable) > nvramsize)
-	return grub_error (GRUB_ERR_OUT_OF_MEMORY,
-			   "file is too large for reserved variable space");
-
-      nvramptr += sizeof (struct efi_variable);
-
-      /* look ahow long guid field is*/
-      guidlen = 0;
-      for (ptr2 = ptr; (grub_isspace (*ptr2)
-			|| (*ptr2 >= '0' && *ptr2 <= '9')
-			|| (*ptr2 >= 'a' && *ptr2 <= 'f')
-			|| (*ptr2 >= 'A' && *ptr2 <= 'F'));
-	   ptr2++)
-	if (!grub_isspace (*ptr2))
-	  guidlen++;
-      guidlen /= 2;
-
-      /* Read guid */
-      if (guidlen != sizeof (efivar->guid))
-	{
-	  grub_free (buf);
-	  return grub_error (GRUB_ERR_BAD_OS, "can't parse %s", filename);
-	}
-      for (i = 0; i < 2 * sizeof (efivar->guid); i++)
-	{
-	  int hex = 0;
-	  while (grub_isspace (*ptr))
-	    ptr++;
-	  if (*ptr >= '0' && *ptr <= '9')
-	    hex = *ptr - '0';
-	  if (*ptr >= 'a' && *ptr <= 'f')
-	    hex = *ptr - 'a' + 10;
-	  if (*ptr >= 'A' && *ptr <= 'F')
-	    hex = *ptr - 'A' + 10;
-
-	  if (i%2 == 0)
-	    ((grub_uint8_t *)&(efivar->guid))[i/2] = hex << 4;
-	  else
-	    ((grub_uint8_t *)&(efivar->guid))[i/2] |= hex;
-	  ptr++;
-	}
-
-      while (grub_isspace (*ptr))
-	ptr++;
-      if (*ptr != ':')
-	{
-	  grub_dprintf ("efiemu", "Not colon\n");
-	  grub_free (buf);
-	  return grub_error (GRUB_ERR_BAD_OS, "can't parse %s", filename);
-	}
-      ptr++;
-      while (grub_isspace (*ptr))
-	ptr++;
-
-      /* Attributes can be just parsed by existing functions */
-      efivar->attributes = grub_strtoul (ptr, &ptr, 16);
-
-      while (grub_isspace (*ptr))
-	ptr++;
-      if (*ptr != ':')
-	{
-	  grub_dprintf ("efiemu", "Not colon\n");
-	  grub_free (buf);
-	  return grub_error (GRUB_ERR_BAD_OS, "can't parse %s", filename);
-	}
-      ptr++;
-      while (grub_isspace (*ptr))
-	ptr++;
-
-      /* Read name and value */
-      for (j = 0; j < 2; j++)
-	{
-	  /* Look the length */
-	  datalen = 0;
-	  for (ptr2 = ptr; *ptr2 && (grub_isspace (*ptr2)
-				     || (*ptr2 >= '0' && *ptr2 <= '9')
-				     || (*ptr2 >= 'a' && *ptr2 <= 'f')
-				     || (*ptr2 >= 'A' && *ptr2 <= 'F'));
-	       ptr2++)
-	    if (!grub_isspace (*ptr2))
-	      datalen++;
-	  datalen /= 2;
-
-	  if (nvramptr - nvram + datalen > nvramsize)
-	    {
-	      grub_free (buf);
-	      return grub_error (GRUB_ERR_OUT_OF_MEMORY,
-				 "file is too large for reserved "
-				 " variable space");
-	    }
-
-	  for (i = 0; i < 2 * datalen; i++)
-	    {
-	      int hex = 0;
-	      while (grub_isspace (*ptr))
-		ptr++;
-	      if (*ptr >= '0' && *ptr <= '9')
-		hex = *ptr - '0';
-	      if (*ptr >= 'a' && *ptr <= 'f')
-		hex = *ptr - 'a' + 10;
-	      if (*ptr >= 'A' && *ptr <= 'F')
-		hex = *ptr - 'A' + 10;
-
-	      if (i%2 == 0)
-		nvramptr[i/2] = hex << 4;
-	      else
-		nvramptr[i/2] |= hex;
-	      ptr++;
-	    }
-	  nvramptr += datalen;
-	  while (grub_isspace (*ptr))
-	    ptr++;
-	  if (*ptr != (j ? ';' : ':'))
-	    {
-	      grub_free (buf);
-	      grub_dprintf ("efiemu", j?"Not semicolon\n":"Not colon\n");
-	      return grub_error (GRUB_ERR_BAD_OS, "can't parse %s", filename);
-	    }
-	  if (j)
-	    efivar->size = datalen;
-	  else
-	    efivar->namelen = datalen;
-
-	  ptr++;
-	}
-    }
-  grub_free (buf);
-  return GRUB_ERR_NONE;
-}
-
-static grub_err_t
-grub_efiemu_make_nvram (void)
 {
+  const char *size;
   grub_err_t err;
 
-  err = grub_efiemu_autocore ();
+  nvramsize = 0;
-  if (err)
+
-    {
+  size = grub_env_get ("EfiEmu.pnvram.size");
-      grub_free (nvram);
+  if (size)
-      return err;
+    nvramsize = grub_strtoul (size, 0, 0);
-    }
+
+  if (!nvramsize)
+    nvramsize = 2048;
 
   err = grub_efiemu_register_prepare_hook (nvram_set, nvram_unload, 0);
   if (err)
-    {
-      grub_free (nvram);
     return err;
-    }
+
   nvram_handle
     = grub_efiemu_request_memalign (1, nvramsize,
 				    GRUB_EFI_RUNTIME_SERVICES_DATA);
@@ -323,78 +276,5 @@ grub_efiemu_make_nvram (void)
     = grub_efiemu_request_memalign (1, sizeof (grub_uint32_t),
 				    GRUB_EFI_RUNTIME_SERVICES_DATA);
 
-  grub_efiemu_request_symbols (6);
   return GRUB_ERR_NONE;
 }
-
-grub_err_t
-grub_efiemu_pnvram (void)
-{
-  if (nvram)
-    return GRUB_ERR_NONE;
-
-  nvramsize = 2048;
-  high_monotonic_count = 1;
-  timezone = GRUB_EFI_UNSPECIFIED_TIMEZONE;
-  accuracy = 50000000;
-  daylight = 0;
-
-  nvram = grub_zalloc (nvramsize);
-  if (!nvram)
-    return grub_error (GRUB_ERR_OUT_OF_MEMORY,
-		       "Couldn't allocate space for temporary pnvram storage");
-
-  return grub_efiemu_make_nvram ();
-}
-
-static grub_err_t
-grub_cmd_efiemu_pnvram (struct grub_extcmd *cmd,
-			int argc, char **args)
-{
-  struct grub_arg_list *state = cmd->state;
-  grub_err_t err;
-
-  if (argc > 1)
-    return grub_error (GRUB_ERR_BAD_ARGUMENT, "only one argument expected");
-
-  nvramsize = state[0].set ? grub_strtoul (state[0].arg, 0, 0) : 2048;
-  high_monotonic_count = state[1].set ? grub_strtoul (state[1].arg, 0, 0) : 1;
-  timezone = state[2].set ? grub_strtosl (state[2].arg, 0, 0)
-    : GRUB_EFI_UNSPECIFIED_TIMEZONE;
-  accuracy = state[3].set ? grub_strtoul (state[3].arg, 0, 0) : 50000000;
-  daylight = state[4].set ? grub_strtoul (state[4].arg, 0, 0) : 0;
-
-  nvram = grub_zalloc (nvramsize);
-  if (!nvram)
-    return grub_error (GRUB_ERR_OUT_OF_MEMORY,
-		       "Couldn't allocate space for temporary pnvram storage");
-
-  if (argc == 1 && (err = read_pnvram (args[0])))
-    {
-      grub_free (nvram);
-      return err;
-    }
-  return grub_efiemu_make_nvram ();
-}
-
-static grub_extcmd_t cmd;
-
-void grub_efiemu_pnvram_cmd_register (void);
-void grub_efiemu_pnvram_cmd_unregister (void);
-
-void
-grub_efiemu_pnvram_cmd_register (void)
-{
-  cmd = grub_register_extcmd ("efiemu_pnvram", grub_cmd_efiemu_pnvram,
-			      GRUB_COMMAND_FLAG_BOTH,
-			      "efiemu_pnvram [FILENAME]",
-			      "Initialise pseudo-NVRAM and load variables "
-			      "from FILE",
-			      options);
-}
-
-void
-grub_efiemu_pnvram_cmd_unregister (void)
-{
-  grub_unregister_extcmd (cmd);
-}

efiemu/prepare.c

@@ -36,7 +36,6 @@ SUFFIX (grub_efiemu_prepare) (struct grub_efiemu_prepare_hook *prepare_hooks,
 
   int cntconftables = 0;
   struct SUFFIX (grub_efiemu_configuration_table) *conftables = 0;
-  struct SUFFIX (grub_efiemu_runtime_services) *runtime_services;
   int i;
   int handle;
   grub_off_t off;
@@ -54,6 +53,7 @@ SUFFIX (grub_efiemu_prepare) (struct grub_efiemu_prepare_hook *prepare_hooks,
   /* Switch from phase 1 (counting) to phase 2 (real job) */
   grub_efiemu_alloc_syms ();
   grub_efiemu_mm_do_alloc ();
+  grub_efiemu_write_sym_markers ();
 
   grub_efiemu_system_table32 = 0;
   grub_efiemu_system_table64 = 0;
@@ -81,16 +81,6 @@ SUFFIX (grub_efiemu_prepare) (struct grub_efiemu_prepare_hook *prepare_hooks,
     = (struct SUFFIX (grub_efi_system_table) *)
     ((grub_uint8_t *) grub_efiemu_mm_obtain_request (handle) + off);
 
-  /* compute CRC32 of runtime_services */
-  if ((err = grub_efiemu_resolve_symbol ("efiemu_runtime_services",
-					 &handle, &off)))
-    return err;
-  runtime_services = (struct SUFFIX (grub_efiemu_runtime_services) *)
-	((grub_uint8_t *) grub_efiemu_mm_obtain_request (handle) + off);
-  runtime_services->hdr.crc32 = 0;
-  runtime_services->hdr.crc32 = grub_getcrc32
-    (0, runtime_services, runtime_services->hdr.header_size);
-
   /* Put pointer to the list of configuration tables in system table */
   grub_efiemu_write_value
     (&(SUFFIX (grub_efiemu_system_table)->configuration_table), 0,
@@ -113,16 +103,51 @@ SUFFIX (grub_efiemu_prepare) (struct grub_efiemu_prepare_hook *prepare_hooks,
 	conftables[i].vendor_table = PTR_TO_UINT64 (cur->data);
     }
 
+  err = SUFFIX (grub_efiemu_crc) ();
+  if (err)
+    {
+      grub_efiemu_unload ();
+      return err;
+    }
+
+  grub_dprintf ("efiemu","system_table = %p, conftables = %p (%d entries)\n",
+		SUFFIX (grub_efiemu_system_table), conftables, cntconftables);
+
+  return GRUB_ERR_NONE;
+}
+
+grub_err_t
+SUFFIX (grub_efiemu_crc) (void)
+{
+  grub_err_t err;
+  int handle;
+  grub_off_t off;
+  struct SUFFIX (grub_efiemu_runtime_services) *runtime_services;
+
+  /* compute CRC32 of runtime_services */
+  err = grub_efiemu_resolve_symbol ("efiemu_runtime_services",
+				    &handle, &off);
+  if (err)
+    return err;
+
+  runtime_services = (struct SUFFIX (grub_efiemu_runtime_services) *)
+	((grub_uint8_t *) grub_efiemu_mm_obtain_request (handle) + off);
+  runtime_services->hdr.crc32 = 0;
+  runtime_services->hdr.crc32 = grub_getcrc32
+    (0, runtime_services, runtime_services->hdr.header_size);
+
+  err = grub_efiemu_resolve_symbol ("efiemu_system_table", &handle, &off);
+  if (err)
+    return err;
+
   /* compute CRC32 of system table */
   SUFFIX (grub_efiemu_system_table)->hdr.crc32 = 0;
   SUFFIX (grub_efiemu_system_table)->hdr.crc32
     = grub_getcrc32 (0, SUFFIX (grub_efiemu_system_table),
 		     SUFFIX (grub_efiemu_system_table)->hdr.header_size);
 
-  grub_dprintf ("efiemu","system_table = %p, runtime_services = %p,"
+  grub_dprintf ("efiemu","system_table = %p, runtime_services = %p\n",
-		" conftables = %p (%d entries)\n",
+		SUFFIX (grub_efiemu_system_table), runtime_services);
-		SUFFIX (grub_efiemu_system_table), runtime_services,
-		conftables, cntconftables);
 
   return GRUB_ERR_NONE;
 }

efiemu/runtime/efiemu.c

@@ -111,9 +111,8 @@ static grub_uint8_t loge[1000] = "EFIEMULOG";
 static int logn = 9;
 #define LOG(x)   { if (logn<900) loge[logn++]=x; }
 
-static int ptv_relocated = 0;
-
 /* Interface with grub */
+extern grub_uint8_t efiemu_ptv_relocated;
 struct grub_efi_runtime_services efiemu_runtime_services;
 struct grub_efi_system_table efiemu_system_table;
 extern struct grub_efiemu_ptv_rel efiemu_ptv_relloc[];
@@ -343,9 +342,9 @@ grub_efi_status_t EFI_FUNC
   LOG ('e');
 
   /* Ensure that we are called only once */
-  if (ptv_relocated)
+  if (efiemu_ptv_relocated)
     return GRUB_EFI_UNSUPPORTED;
-  ptv_relocated = 1;
+  efiemu_ptv_relocated = 1;
 
   /* Correct addresses using information supplied by grub */
   for (cur_relloc = efiemu_ptv_relloc; cur_relloc->size;cur_relloc++)

efiemu/symbols.c

@@ -26,6 +26,7 @@
 static int ptv_written = 0;
 static int ptv_alloc = 0;
 static int ptv_handle = 0;
+static int relocated_handle = 0;
 static int ptv_requested = 0;
 static struct grub_efiemu_sym *efiemu_syms = 0;
 
@@ -54,6 +55,8 @@ grub_efiemu_free_syms (void)
   ptv_requested = 0;
   grub_efiemu_mm_return_request (ptv_handle);
   ptv_handle = 0;
+  grub_efiemu_mm_return_request (relocated_handle);
+  relocated_handle = 0;
 }
 
 /* Announce that the module will need NUM allocators */
@@ -114,10 +117,26 @@ grub_efiemu_alloc_syms (void)
   ptv_handle = grub_efiemu_request_memalign
     (1, (ptv_requested + 1) * sizeof (struct grub_efiemu_ptv_rel),
      GRUB_EFI_RUNTIME_SERVICES_DATA);
+  relocated_handle = grub_efiemu_request_memalign
+    (1, sizeof (grub_uint8_t), GRUB_EFI_RUNTIME_SERVICES_DATA);
+
+  grub_efiemu_register_symbol ("efiemu_ptv_relocated", relocated_handle, 0);
   grub_efiemu_register_symbol ("efiemu_ptv_relloc", ptv_handle, 0);
   return grub_errno;
 }
 
+grub_err_t
+grub_efiemu_write_sym_markers (void)
+{
+  struct grub_efiemu_ptv_rel *ptv_rels
+    = grub_efiemu_mm_obtain_request (ptv_handle);
+  grub_uint8_t *relocated = grub_efiemu_mm_obtain_request (relocated_handle);
+  grub_memset (ptv_rels, 0, (ptv_requested + 1)
+	       * sizeof (struct grub_efiemu_ptv_rel));
+  *relocated = 0;
+  return GRUB_ERR_NONE;
+}
+
 /* Write value (pointer to memory PLUS_HANDLE)
    - (pointer to memory MINUS_HANDLE) + VALUE to ADDR assuming that the
    size SIZE bytes. If PTV_NEEDED is 1 then announce it to runtime that this
@@ -186,3 +205,67 @@ grub_efiemu_write_value (void *addr, grub_uint32_t value, int plus_handle,
 
   return GRUB_ERR_NONE;
 }
+
+grub_err_t
+grub_efiemu_set_virtual_address_map (grub_efi_uintn_t memory_map_size,
+				     grub_efi_uintn_t descriptor_size,
+				     grub_efi_uint32_t descriptor_version
+				     __attribute__ ((unused)),
+				     grub_efi_memory_descriptor_t *virtual_map)
+{
+  grub_uint8_t *ptv_relocated;
+  struct grub_efiemu_ptv_rel *cur_relloc;
+  struct grub_efiemu_ptv_rel *ptv_rels;
+
+  ptv_relocated = grub_efiemu_mm_obtain_request (relocated_handle);
+  ptv_rels = grub_efiemu_mm_obtain_request (ptv_handle);
+
+  /* Ensure that we are called only once */
+  if (*ptv_relocated)
+    return grub_error (GRUB_ERR_BAD_ARGUMENT, "EfiEmu is already relocated.");
+  *ptv_relocated = 1;
+
+  /* Correct addresses using information supplied by grub */
+  for (cur_relloc = ptv_rels; cur_relloc->size; cur_relloc++)
+    {
+      grub_int64_t corr = 0;
+      grub_efi_memory_descriptor_t *descptr;
+
+      /* Compute correction */
+      for (descptr = virtual_map;
+	   (grub_size_t) ((grub_uint8_t *) descptr
+			  - (grub_uint8_t *) virtual_map) < memory_map_size;
+	   descptr = (grub_efi_memory_descriptor_t *)
+	     ((grub_uint8_t *) descptr + descriptor_size))
+	{
+	  if (descptr->type == cur_relloc->plustype)
+	    corr += descptr->virtual_start - descptr->physical_start;
+	  if (descptr->type == cur_relloc->minustype)
+	    corr -= descptr->virtual_start - descptr->physical_start;
+	}
+
+      /* Apply correction */
+      switch (cur_relloc->size)
+	{
+	case 8:
+	  *((grub_uint64_t *) UINT_TO_PTR (cur_relloc->addr)) += corr;
+	  break;
+	case 4:
+	  *((grub_uint32_t *) UINT_TO_PTR (cur_relloc->addr)) += corr;
+	  break;
+	case 2:
+	  *((grub_uint16_t *) UINT_TO_PTR (cur_relloc->addr)) += corr;
+	  break;
+	case 1:
+	  *((grub_uint8_t *) UINT_TO_PTR (cur_relloc->addr)) += corr;
+	  break;
+	}
+    }
+
+  /* Recompute crc32 of system table and runtime services */
+
+  if (grub_efiemu_sizeof_uintn_t () == 4)
+    return grub_efiemu_crc32 ();
+  else
+    return grub_efiemu_crc64 ();
+}

fs/fat.c

@@ -25,6 +25,7 @@
 #include <grub/mm.h>
 #include <grub/err.h>
 #include <grub/dl.h>
+#include <grub/charset.h>
 
 #define GRUB_FAT_DIR_ENTRY_SIZE	32
 

fs/hfs.c

@@ -1072,6 +1072,31 @@ grub_hfs_label (grub_device_t device, char **label)
   return grub_errno;
 }
 
+static grub_err_t
+grub_hfs_uuid (grub_device_t device, char **uuid)
+{
+  struct grub_hfs_data *data;
+
+  grub_dl_ref (my_mod);
+
+  data = grub_hfs_mount (device->disk);
+  if (data && data->sblock.num_serial != 0)
+    {
+      *uuid = grub_malloc (16 + sizeof ('\0'));
+      grub_sprintf (*uuid, "%016llx",
+		    (unsigned long long)
+		    grub_be_to_cpu64 (data->sblock.num_serial));
+    }
+  else
+    *uuid = NULL;
+
+  grub_dl_unref (my_mod);
+
+  grub_free (data);
+
+  return grub_errno;
+}
+
 
 
 static struct grub_fs grub_hfs_fs =
@@ -1082,6 +1107,7 @@ static struct grub_fs grub_hfs_fs =
     .read = grub_hfs_read,
     .close = grub_hfs_close,
     .label = grub_hfs_label,
+    .uuid = grub_hfs_uuid,
     .next = 0
   };
 

fs/hfsplus.c

@@ -28,6 +28,7 @@
 #include <grub/types.h>
 #include <grub/fshelp.h>
 #include <grub/hfs.h>
+#include <grub/charset.h>
 
 #define GRUB_HFSPLUS_MAGIC 0x482B
 #define GRUB_HFSPLUSX_MAGIC 0x4858

fs/iso9660.c

@@ -26,6 +26,7 @@
 #include <grub/dl.h>
 #include <grub/types.h>
 #include <grub/fshelp.h>
+#include <grub/charset.h>
 
 #define GRUB_ISO9660_FSTYPE_DIR		0040000
 #define GRUB_ISO9660_FSTYPE_REG		0100000

fs/jfs.c

@@ -24,6 +24,7 @@
 #include <grub/disk.h>
 #include <grub/dl.h>
 #include <grub/types.h>
+#include <grub/charset.h>
 
 #define GRUB_JFS_MAX_SYMLNK_CNT	8
 #define GRUB_JFS_FILETYPE_MASK	0170000

fs/ntfs.c

@@ -24,6 +24,7 @@
 #include <grub/dl.h>
 #include <grub/fshelp.h>
 #include <grub/ntfs.h>
+#include <grub/charset.h>
 
 static grub_dl_t my_mod;
 

gendistlist.sh

@@ -36,7 +36,7 @@ dir=`dirname $0`
 cd $dir
 
 for dir in $DISTDIRS; do
-  for d in `find $dir -type d -not -name .svn -not -name .bzr | sort`; do
+  for d in `find $dir -type d ! -name .svn ! -name .bzr | sort`; do
     find $d -maxdepth 1 -name '*.[chSy]' -o -name '*.mk' -o -name '*.rmk' \
       -o -name '*.rb' -o -name '*.in' -o -name '*.tex' -o -name '*.texi' \
       -o -name '*.info' -o -name 'grub.cfg' -o -name 'README' \

include/grub/autoefi.h

@@ -26,8 +26,10 @@
 # include <grub/efi/efi.h>
 # define grub_autoefi_get_memory_map grub_efi_get_memory_map
 # define grub_autoefi_finish_boot_services grub_efi_finish_boot_services
+# define grub_autoefi_exit_boot_services grub_efi_exit_boot_services
 # define grub_autoefi_system_table grub_efi_system_table
 # define grub_autoefi_mmap_iterate grub_machine_mmap_iterate
+# define grub_autoefi_set_virtual_address_map grub_efi_set_virtual_address_map
 static inline grub_err_t grub_autoefi_prepare (void)
 {
   return GRUB_ERR_NONE;
@@ -53,9 +55,11 @@ static inline grub_err_t grub_autoefi_prepare (void)
 # include <grub/efiemu/efiemu.h>
 # define grub_autoefi_get_memory_map grub_efiemu_get_memory_map
 # define grub_autoefi_finish_boot_services grub_efiemu_finish_boot_services
+# define grub_autoefi_exit_boot_services grub_efiemu_exit_boot_services
 # define grub_autoefi_system_table grub_efiemu_system_table
 # define grub_autoefi_mmap_iterate grub_efiemu_mmap_iterate
 # define grub_autoefi_prepare grub_efiemu_prepare
+# define grub_autoefi_set_virtual_address_map grub_efiemu_set_virtual_address_map
 # define GRUB_AUTOEFI_MEMORY_AVAILABLE GRUB_EFIEMU_MEMORY_AVAILABLE
 # define GRUB_AUTOEFI_MEMORY_RESERVED GRUB_EFIEMU_MEMORY_RESERVED
 # define GRUB_AUTOEFI_MEMORY_ACPI GRUB_EFIEMU_MEMORY_ACPI

include/grub/charset.h

@@ -0,0 +1,112 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GRUB_CHARSET_HEADER
+#define GRUB_CHARSET_HEADER	1
+
+#include <grub/types.h>
+
+#define GRUB_UINT8_1_LEADINGBIT 0x80
+#define GRUB_UINT8_2_LEADINGBITS 0xc0
+#define GRUB_UINT8_3_LEADINGBITS 0xe0
+#define GRUB_UINT8_4_LEADINGBITS 0xf0
+#define GRUB_UINT8_5_LEADINGBITS 0xf8
+#define GRUB_UINT8_6_LEADINGBITS 0xfc
+#define GRUB_UINT8_7_LEADINGBITS 0xfe
+
+#define GRUB_UINT8_1_TRAILINGBIT 0x01
+#define GRUB_UINT8_2_TRAILINGBITS 0x03
+#define GRUB_UINT8_3_TRAILINGBITS 0x07
+#define GRUB_UINT8_4_TRAILINGBITS 0x0f
+#define GRUB_UINT8_5_TRAILINGBITS 0x1f
+#define GRUB_UINT8_6_TRAILINGBITS 0x3f
+
+#define GRUB_UCS2_LIMIT 0x10000
+#define GRUB_UTF16_UPPER_SURROGATE(code) \
+  (0xD800 + ((((code) - GRUB_UCS2_LIMIT) >> 12) & 0xfff))
+#define GRUB_UTF16_LOWER_SURROGATE(code) \
+  (0xDC00 + (((code) - GRUB_UCS2_LIMIT) & 0xfff))
+
+grub_ssize_t
+grub_utf8_to_utf16 (grub_uint16_t *dest, grub_size_t destsize,
+		    const grub_uint8_t *src, grub_size_t srcsize,
+		    const grub_uint8_t **srcend);
+
+/* Convert UTF-16 to UTF-8.  */
+static inline grub_uint8_t *
+grub_utf16_to_utf8 (grub_uint8_t *dest, grub_uint16_t *src,
+		    grub_size_t size)
+{
+  grub_uint32_t code_high = 0;
+
+  while (size--)
+    {
+      grub_uint32_t code = *src++;
+
+      if (code_high)
+	{
+	  if (code >= 0xDC00 && code <= 0xDFFF)
+	    {
+	      /* Surrogate pair.  */
+	      code = ((code_high - 0xD800) << 12) + (code - 0xDC00) + 0x10000;
+
+	      *dest++ = (code >> 18) | 0xF0;
+	      *dest++ = ((code >> 12) & 0x3F) | 0x80;
+	      *dest++ = ((code >> 6) & 0x3F) | 0x80;
+	      *dest++ = (code & 0x3F) | 0x80;
+	    }
+	  else
+	    {
+	      /* Error...  */
+	      *dest++ = '?';
+	    }
+
+	  code_high = 0;
+	}
+      else
+	{
+	  if (code <= 0x007F)
+	    *dest++ = code;
+	  else if (code <= 0x07FF)
+	    {
+	      *dest++ = (code >> 6) | 0xC0;
+	      *dest++ = (code & 0x3F) | 0x80;
+	    }
+	  else if (code >= 0xD800 && code <= 0xDBFF)
+	    {
+	      code_high = code;
+	      continue;
+	    }
+	  else if (code >= 0xDC00 && code <= 0xDFFF)
+	    {
+	      /* Error... */
+	      *dest++ = '?';
+	    }
+	  else
+	    {
+	      *dest++ = (code >> 12) | 0xE0;
+	      *dest++ = ((code >> 6) & 0x3F) | 0x80;
+	      *dest++ = (code & 0x3F) | 0x80;
+	    }
+	}
+    }
+
+  return dest;
+}
+
+#endif

include/grub/efi/api.h

@@ -21,6 +21,7 @@
 #define GRUB_EFI_API_HEADER	1
 
 #include <grub/types.h>
+#include <grub/symbol.h>
 
 /* For consistency and safety, we name the EFI-defined types differently.
    All names are transformed into lower case, _t appended, and

include/grub/efi/efi.h

@@ -55,6 +55,10 @@ grub_efi_device_path_t *
 EXPORT_FUNC(grub_efi_get_device_path) (grub_efi_handle_t handle);
 int EXPORT_FUNC(grub_efi_exit_boot_services) (grub_efi_uintn_t map_key);
 int EXPORT_FUNC (grub_efi_finish_boot_services) (void);
+grub_err_t EXPORT_FUNC (grub_efi_set_virtual_address_map) (grub_efi_uintn_t memory_map_size,
+							   grub_efi_uintn_t descriptor_size,
+							   grub_efi_uint32_t descriptor_version,
+							   grub_efi_memory_descriptor_t *virtual_map);
 
 void grub_efi_mm_init (void);
 void grub_efi_mm_fini (void);

include/grub/efiemu/efiemu.h

@@ -268,9 +268,19 @@ void grub_efiemu_free_syms (void);
 grub_err_t grub_efiemu_write_value (void * addr, grub_uint32_t value,
 				    int plus_handle,
 				    int minus_handle, int ptv_needed, int size);
+grub_err_t grub_efiemu_write_sym_markers (void);
 grub_err_t grub_efiemu_pnvram (void);
 grub_err_t grub_efiemu_prepare (void);
 char *grub_efiemu_get_default_core_name (void);
 void grub_efiemu_pnvram_cmd_unregister (void);
 grub_err_t grub_efiemu_autocore (void);
+grub_err_t grub_efiemu_crc32 (void);
+grub_err_t grub_efiemu_crc64 (void);
+grub_err_t
+grub_efiemu_set_virtual_address_map (grub_efi_uintn_t memory_map_size,
+				     grub_efi_uintn_t descriptor_size,
+				     grub_efi_uint32_t descriptor_version
+				     __attribute__ ((unused)),
+				     grub_efi_memory_descriptor_t *virtual_map);
+
 #endif /* ! GRUB_EFI_EMU_HEADER */

include/grub/hfs.h

@@ -48,7 +48,8 @@ struct grub_hfs_sblock
   /* A pascal style string that holds the volumename.  */
   grub_uint8_t volname[28];
 
-  grub_uint8_t unused5[60];
+  grub_uint8_t unused5[52];
+  grub_uint64_t num_serial;
   grub_uint16_t embed_sig;
   struct grub_hfs_extent embed_extent;
   grub_uint8_t unused6[4];

include/grub/i386/macho.h

@@ -1,3 +1,26 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2009  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GRUB_CPU_MACHO_H
+#define GRUB_CPU_MACHO_H 1
+
+#include <grub/macho.h>
+
 #define GRUB_MACHO_CPUTYPE_IS_HOST32(x) ((x)==0x00000007)
 #define GRUB_MACHO_CPUTYPE_IS_HOST64(x) ((x)==0x01000007)
 
@@ -9,3 +32,15 @@ struct grub_macho_thread32
   grub_uint32_t entry_point;
   grub_uint8_t unknown2[20];
 } __attribute__ ((packed));
+
+
+struct grub_macho_thread64
+{
+  grub_uint32_t cmd;
+  grub_uint32_t cmdsize;
+  grub_uint8_t unknown1[0x88];
+  grub_uint64_t entry_point;
+  grub_uint8_t unknown2[0x20];
+} __attribute__ ((packed));
+
+#endif

include/grub/i386/memory.h

@@ -0,0 +1,30 @@
+/* memory.h - describe the memory map */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2002,2007,2008,2009  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GRUB_MEMORY_CPU_HEADER
+#define GRUB_MEMORY_CPU_HEADER	1
+
+/* The flag for protected mode.  */
+#define GRUB_MEMORY_CPU_CR0_PE_ON		0x1
+#define GRUB_MEMORY_CPU_CR4_PAE_ON		0x00000040
+#define GRUB_MEMORY_CPU_CR0_PAGING_ON		0x80000000
+#define GRUB_MEMORY_CPU_AMD64_MSR		0xc0000080
+#define GRUB_MEMORY_CPU_AMD64_MSR_ON		0x00000100
+
+#endif /* ! GRUB_MEMORY_CPU_HEADER */

include/grub/i386/multiboot.h

@@ -27,16 +27,9 @@ void grub_multiboot2_real_boot (grub_addr_t entry,
 				struct multiboot_info *mbi)
      __attribute__ ((noreturn));
 
-extern grub_addr_t grub_multiboot_payload_orig;
+extern grub_uint32_t grub_multiboot_payload_eip;
+extern char *grub_multiboot_payload_orig;
 extern grub_addr_t grub_multiboot_payload_dest;
 extern grub_size_t grub_multiboot_payload_size;
-extern grub_uint32_t grub_multiboot_payload_entry_offset;
-
-extern grub_uint8_t grub_multiboot_forward_relocator;
-extern grub_uint8_t grub_multiboot_forward_relocator_end;
-extern grub_uint8_t grub_multiboot_backward_relocator;
-extern grub_uint8_t grub_multiboot_backward_relocator_end;
-
-#define RELOCATOR_SIZEOF(x)	(&grub_multiboot_##x##_relocator_end - &grub_multiboot_##x##_relocator)
 
 #endif /* ! GRUB_MULTIBOOT_CPU_HEADER */

include/grub/i386/pc/memory.h

@@ -27,6 +27,8 @@
 #include <grub/memory.h>
 #endif
 
+#include <grub/i386/memory.h>
+
 /* The scratch buffer used in real mode code.  */
 #define GRUB_MEMORY_MACHINE_SCRATCH_ADDR	0x68000
 #define GRUB_MEMORY_MACHINE_SCRATCH_SEG	(GRUB_MEMORY_MACHINE_SCRATCH_ADDR >> 4)
@@ -62,9 +64,6 @@
 /* The address where another boot loader is loaded.  */
 #define GRUB_MEMORY_MACHINE_BOOT_LOADER_ADDR	0x7c00
 
-/* The flag for protected mode.  */
-#define GRUB_MEMORY_MACHINE_CR0_PE_ON		0x1
-
 /* The code segment of the protected mode.  */
 #define GRUB_MEMORY_MACHINE_PROT_MODE_CSEG	0x8
 

include/grub/i386/relocator.h

@@ -0,0 +1,41 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2009  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GRUB_RELOCATOR_CPU_HEADER
+#define GRUB_RELOCATOR_CPU_HEADER	1
+
+#include <grub/types.h>
+#include <grub/err.h>
+
+struct grub_relocator32_state
+{
+  grub_uint32_t esp;
+  grub_uint32_t eax;
+  grub_uint32_t ebx;
+  grub_uint32_t ecx;
+  grub_uint32_t edx;
+  grub_uint32_t eip;
+};
+
+void *grub_relocator32_alloc (grub_size_t size);
+grub_err_t grub_relocator32_boot (void *relocator, grub_uint32_t dest,
+				  struct grub_relocator32_state state);
+void *grub_relocator32_realloc (void *relocator, grub_size_t size);
+void grub_relocator32_free (void *relocator);
+
+#endif /* ! GRUB_RELOCATOR_CPU_HEADER */

include/grub/i386/xnu.h

@@ -20,6 +20,10 @@
 #define GRUB_CPU_XNU_H 1
 
 #include <grub/err.h>
+#include <grub/efi/api.h>
+#include <grub/cpu/relocator.h>
+
+#define XNU_RELOCATOR(x) (grub_relocator32_ ## x)
 
 #define GRUB_XNU_PAGESIZE 4096
 typedef grub_uint32_t grub_xnu_ptr_t;
@@ -64,17 +68,54 @@ struct grub_xnu_boot_params
   /* Size of grub_efi_uintn_t in bits. */
   grub_uint8_t efi_uintnbits;
 } __attribute__ ((packed));
-#define GRUB_XNU_BOOTARGS_VERMINOR 4
+#define GRUB_XNU_BOOTARGS_VERMINOR 5
 #define GRUB_XNU_BOOTARGS_VERMAJOR 1
 
+struct grub_xnu_devprop_header
+{
+  grub_uint32_t length;
+  /* Always set to 1. Version?  */
+  grub_uint32_t alwaysone;
+  grub_uint32_t num_devices;
+};
+
+struct grub_xnu_devprop_device_header
+{
+  grub_uint32_t length;
+  grub_uint32_t num_values;
+};
+
+void grub_cpu_xnu_unload (void);
+
+struct grub_xnu_devprop_device_descriptor;
+
+struct grub_xnu_devprop_device_descriptor *
+grub_xnu_devprop_add_device (struct grub_efi_device_path *path, int length);
+grub_err_t
+grub_xnu_devprop_remove_device (struct grub_xnu_devprop_device_descriptor *dev);
+grub_err_t
+grub_xnu_devprop_remove_property (struct grub_xnu_devprop_device_descriptor *dev,
+				  char *name);
+grub_err_t
+grub_xnu_devprop_add_property_utf8 (struct grub_xnu_devprop_device_descriptor *dev,
+				    char *name, void *data, int datalen);
+grub_err_t
+grub_xnu_devprop_add_property_utf16 (struct grub_xnu_devprop_device_descriptor *dev,
+				     grub_uint16_t *name, int namelen,
+				     void *data, int datalen);
+grub_err_t
+grub_xnu_devprop_remove_property_utf8 (struct grub_xnu_devprop_device_descriptor *dev,
+				       char *name);
+void grub_cpu_xnu_init (void);
+void grub_cpu_xnu_fini (void);
+
 extern grub_uint32_t grub_xnu_entry_point;
 extern grub_uint32_t grub_xnu_stack;
 extern grub_uint32_t grub_xnu_arg1;
 extern char grub_xnu_cmdline[1024];
 grub_err_t grub_xnu_boot (void);
-grub_err_t grub_cpu_xnu_fill_devicetree (void);
 grub_err_t grub_xnu_set_video (struct grub_xnu_boot_params *bootparams_relloc);
+grub_err_t
+grub_cpu_xnu_fill_devicetree (void);
 extern grub_uint32_t grub_xnu_heap_will_be_at;
-extern grub_uint8_t grub_xnu_launcher_start[];
-extern grub_uint8_t grub_xnu_launcher_end[];
 #endif

include/grub/macho.h

@@ -102,6 +102,23 @@ struct grub_macho_segment32
   grub_uint32_t flags;
 } __attribute__ ((packed));
 
+/* 64-bit segment command. */
+struct grub_macho_segment64
+{
+#define GRUB_MACHO_CMD_SEGMENT64  0x19
+  grub_uint32_t cmd;
+  grub_uint32_t cmdsize;
+  grub_uint8_t segname[16];
+  grub_uint64_t vmaddr;
+  grub_uint64_t vmsize;
+  grub_uint64_t fileoff;
+  grub_uint64_t filesize;
+  grub_macho_vmprot_t maxprot;
+  grub_macho_vmprot_t initprot;
+  grub_uint32_t nsects;
+  grub_uint32_t flags;
+} __attribute__ ((packed));
+
 #define GRUB_MACHO_CMD_THREAD     5
 
 #endif

include/grub/machoload.h

@@ -46,17 +46,28 @@ grub_macho_t grub_macho_file (grub_file_t);
 grub_err_t grub_macho_close (grub_macho_t);
 
 int grub_macho_contains_macho32 (grub_macho_t);
-grub_err_t grub_macho32_size (grub_macho_t macho, grub_addr_t *segments_start,
+grub_err_t grub_macho_size32 (grub_macho_t macho, grub_uint32_t *segments_start,
-			      grub_addr_t *segments_end, int flags);
+			      grub_uint32_t *segments_end, int flags);
-grub_uint32_t grub_macho32_get_entry_point (grub_macho_t macho);
+grub_uint32_t grub_macho_get_entry_point32 (grub_macho_t macho);
+
+int grub_macho_contains_macho64 (grub_macho_t);
+grub_err_t grub_macho_size64 (grub_macho_t macho, grub_uint64_t *segments_start,
+			      grub_uint64_t *segments_end, int flags);
+grub_uint64_t grub_macho_get_entry_point64 (grub_macho_t macho);
 
 /* Ignore BSS segments when loading. */
 #define GRUB_MACHO_NOBSS 0x1
-grub_err_t grub_macho32_load (grub_macho_t macho, char *offset, int flags);
+grub_err_t grub_macho_load32 (grub_macho_t macho, char *offset, int flags);
+grub_err_t grub_macho_load64 (grub_macho_t macho, char *offset, int flags);
 
 /* Like filesize and file_read but take only 32-bit part
    for current architecture. */
-grub_size_t grub_macho32_filesize (grub_macho_t macho);
+grub_size_t grub_macho_filesize32 (grub_macho_t macho);
-grub_err_t grub_macho32_readfile (grub_macho_t macho, void *dest);
+grub_err_t grub_macho_readfile32 (grub_macho_t macho, void *dest);
+grub_size_t grub_macho_filesize64 (grub_macho_t macho);
+grub_err_t grub_macho_readfile64 (grub_macho_t macho, void *dest);
+
+void grub_macho_parse32 (grub_macho_t macho);
+void grub_macho_parse64 (grub_macho_t macho);
 
 #endif /* ! GRUB_MACHOLOAD_HEADER */

include/grub/misc.h

@@ -172,6 +172,8 @@ void *EXPORT_FUNC(grub_memset) (void *s, int c, grub_size_t n);
 grub_size_t EXPORT_FUNC(grub_strlen) (const char *s);
 int EXPORT_FUNC(grub_printf) (const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
 int EXPORT_FUNC(grub_printf_) (const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
+int EXPORT_FUNC(grub_puts) (const char *s);
+int EXPORT_FUNC(grub_puts_) (const char *s);
 void EXPORT_FUNC(grub_real_dprintf) (const char *file,
                                      const int line,
                                      const char *condition,
@@ -181,9 +183,6 @@ int EXPORT_FUNC(grub_sprintf) (char *str, const char *fmt, ...) __attribute__ ((
 int EXPORT_FUNC(grub_vsprintf) (char *str, const char *fmt, va_list args);
 void EXPORT_FUNC(grub_exit) (void) __attribute__ ((noreturn));
 void EXPORT_FUNC(grub_abort) (void) __attribute__ ((noreturn));
-grub_uint8_t *EXPORT_FUNC(grub_utf16_to_utf8) (grub_uint8_t *dest,
-					       grub_uint16_t *src,
-					       grub_size_t size);
 grub_ssize_t EXPORT_FUNC(grub_utf8_to_ucs4) (grub_uint32_t *dest,
 					     grub_size_t destsize,
 					     const grub_uint8_t *src,

include/grub/usb.h

@@ -64,9 +64,6 @@ grub_usb_err_t grub_usb_clear_halt (grub_usb_device_t dev, int endpoint);
 grub_usb_err_t grub_usb_set_configuration (grub_usb_device_t dev,
 					   int configuration);
 
-grub_usb_err_t grub_usb_get_string (grub_usb_device_t dev, grub_uint8_t index,
-				    int langid, char **string);
-
 void grub_usb_controller_dev_register (grub_usb_controller_dev_t usb);
 
 void grub_usb_controller_dev_unregister (grub_usb_controller_dev_t usb);

include/grub/x86_64/relocator.h

@@ -0,0 +1 @@
+#include <grub/i386/relocator.h>

include/grub/xnu.h

@@ -76,6 +76,8 @@ struct grub_xnu_extheader
   grub_uint32_t infoplistsize;
   grub_uint32_t binaryaddr;
   grub_uint32_t binarysize;
+  grub_uint32_t nameaddr;
+  grub_uint32_t namesize;
 } __attribute__ ((packed));
 
 struct grub_xnu_devtree_key *grub_xnu_create_key (struct grub_xnu_devtree_key **parent,
@@ -92,6 +94,7 @@ struct grub_xnu_devtree_key *grub_xnu_create_value (struct grub_xnu_devtree_key
 void grub_xnu_lock (void);
 void grub_xnu_unlock (void);
 grub_err_t grub_xnu_resume (char *imagename);
+grub_err_t grub_xnu_boot_resume (void);
 struct grub_xnu_devtree_key *grub_xnu_find_key (struct grub_xnu_devtree_key *parent,
 						char *name);
 grub_err_t grub_xnu_align_heap (int align);
@@ -100,8 +103,10 @@ grub_err_t grub_xnu_scan_dir_for_kexts (char *dirname, char *osbundlerequired,
 grub_err_t grub_xnu_load_kext_from_dir (char *dirname, char *osbundlerequired,
 					int maxrecursion);
 void *grub_xnu_heap_malloc (int size);
+grub_err_t grub_xnu_fill_devicetree (void);
 extern grub_uint32_t grub_xnu_heap_real_start;
 extern grub_size_t grub_xnu_heap_size;
-extern char *grub_xnu_heap_start;
+extern void *grub_xnu_heap_start;
 extern struct grub_video_bitmap *grub_xnu_bitmap;
+extern int grub_xnu_is_64bit;
 #endif

kern/efi/efi.c

@@ -18,6 +18,7 @@
  */
 
 #include <grub/misc.h>
+#include <grub/charset.h>
 #include <grub/efi/api.h>
 #include <grub/efi/efi.h>
 #include <grub/efi/console_control.h>
@@ -188,6 +189,25 @@ grub_efi_exit_boot_services (grub_efi_uintn_t map_key)
   return status == GRUB_EFI_SUCCESS;
 }
 
+grub_err_t
+grub_efi_set_virtual_address_map (grub_efi_uintn_t memory_map_size,
+				  grub_efi_uintn_t descriptor_size,
+				  grub_efi_uint32_t descriptor_version,
+				  grub_efi_memory_descriptor_t *virtual_map)
+{
+  grub_efi_runtime_services_t *r;
+  grub_efi_status_t status;
+
+  r = grub_efi_system_table->runtime_services;
+  status = efi_call_4 (r->set_virtual_address_map, memory_map_size,
+		       descriptor_size, descriptor_version, virtual_map);
+
+  if (status == GRUB_EFI_SUCCESS)
+    return GRUB_ERR_NONE;
+
+  return grub_error (GRUB_ERR_IO, "set_virtual_address_map failed");
+}
+
 grub_uint32_t
 grub_get_rtc (void)
 {

kern/i386/realmode.S

@@ -127,7 +127,7 @@ real_to_prot:
 
 	/* turn on protected mode */
 	movl	%cr0, %eax
-	orl	$GRUB_MEMORY_MACHINE_CR0_PE_ON, %eax
+	orl	$GRUB_MEMORY_CPU_CR0_PE_ON, %eax
 	movl	%eax, %cr0
 
 	/* jump to relocation, flush prefetch queue, and reload %cs */
@@ -196,7 +196,7 @@ tmpcseg:
 
 	/* clear the PE bit of CR0 */
 	movl	%cr0, %eax
-	andl 	$(~GRUB_MEMORY_MACHINE_CR0_PE_ON), %eax
+	andl 	$(~GRUB_MEMORY_CPU_CR0_PE_ON), %eax
 	movl	%eax, %cr0
 
 	/* flush prefetch queue, reload %cs */

kern/misc.c

@@ -139,6 +139,25 @@ grub_printf_ (const char *fmt, ...)
   return ret;
 }
 
+int
+grub_puts (const char *s)
+{
+  while (*s)
+    {
+      grub_putchar (*s);
+      s++;
+    }
+  grub_putchar ('\n');
+
+  return 1;	/* Cannot fail.  */
+}
+
+int
+grub_puts_ (const char *s)
+{
+  return grub_puts (_(s));
+}
+
 #if defined (APPLE_CC) && ! defined (GRUB_UTIL)
 int
 grub_err_printf (const char *fmt, ...)
@@ -860,68 +879,6 @@ grub_sprintf (char *str, const char *fmt, ...)
   return ret;
 }
 
-/* Convert UTF-16 to UTF-8.  */
-grub_uint8_t *
-grub_utf16_to_utf8 (grub_uint8_t *dest, grub_uint16_t *src,
-		    grub_size_t size)
-{
-  grub_uint32_t code_high = 0;
-
-  while (size--)
-    {
-      grub_uint32_t code = *src++;
-
-      if (code_high)
-	{
-	  if (code >= 0xDC00 && code <= 0xDFFF)
-	    {
-	      /* Surrogate pair.  */
-	      code = ((code_high - 0xD800) << 12) + (code - 0xDC00) + 0x10000;
-
-	      *dest++ = (code >> 18) | 0xF0;
-	      *dest++ = ((code >> 12) & 0x3F) | 0x80;
-	      *dest++ = ((code >> 6) & 0x3F) | 0x80;
-	      *dest++ = (code & 0x3F) | 0x80;
-	    }
-	  else
-	    {
-	      /* Error...  */
-	      *dest++ = '?';
-	    }
-
-	  code_high = 0;
-	}
-      else
-	{
-	  if (code <= 0x007F)
-	    *dest++ = code;
-	  else if (code <= 0x07FF)
-	    {
-	      *dest++ = (code >> 6) | 0xC0;
-	      *dest++ = (code & 0x3F) | 0x80;
-	    }
-	  else if (code >= 0xD800 && code <= 0xDBFF)
-	    {
-	      code_high = code;
-	      continue;
-	    }
-	  else if (code >= 0xDC00 && code <= 0xDFFF)
-	    {
-	      /* Error... */
-	      *dest++ = '?';
-	    }
-	  else
-	    {
-	      *dest++ = (code >> 12) | 0xE0;
-	      *dest++ = ((code >> 6) & 0x3F) | 0x80;
-	      *dest++ = (code & 0x3F) | 0x80;
-	    }
-	}
-    }
-
-  return dest;
-}
-
 /* Convert a (possibly null-terminated) UTF-8 string of at most SRCSIZE
    bytes (if SRCSIZE is -1, it is ignored) in length to a UCS-4 string.
    Return the number of characters converted. DEST must be able to hold

lib/charset.c

@@ -0,0 +1,116 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Convert a (possibly null-terminated) UTF-8 string of at most SRCSIZE
+   bytes (if SRCSIZE is -1, it is ignored) in length to a UTF-16 string.
+   Return the number of characters converted. DEST must be able to hold
+   at least DESTSIZE characters. If an invalid sequence is found, return -1.
+   If SRCEND is not NULL, then *SRCEND is set to the next byte after the
+   last byte used in SRC.  */
+
+#include <grub/charset.h>
+
+grub_ssize_t
+grub_utf8_to_utf16 (grub_uint16_t *dest, grub_size_t destsize,
+		    const grub_uint8_t *src, grub_size_t srcsize,
+		    const grub_uint8_t **srcend)
+{
+  grub_uint16_t *p = dest;
+  int count = 0;
+  grub_uint32_t code = 0;
+
+  if (srcend)
+    *srcend = src;
+
+  while (srcsize && destsize)
+    {
+      grub_uint32_t c = *src++;
+      if (srcsize != (grub_size_t)-1)
+	srcsize--;
+      if (count)
+	{
+	  if ((c & GRUB_UINT8_2_LEADINGBITS) != GRUB_UINT8_1_LEADINGBIT)
+	    {
+	      /* invalid */
+	      return -1;
+	    }
+	  else
+	    {
+	      code <<= 6;
+	      code |= (c & GRUB_UINT8_6_TRAILINGBITS);
+	      count--;
+	    }
+	}
+      else
+	{
+	  if (c == 0)
+	    break;
+
+	  if ((c & GRUB_UINT8_1_LEADINGBIT) == 0)
+	    code = c;
+	  else if ((c & GRUB_UINT8_3_LEADINGBITS) == GRUB_UINT8_2_LEADINGBITS)
+	    {
+	      count = 1;
+	      code = c & GRUB_UINT8_5_TRAILINGBITS;
+	    }
+	  else if ((c & GRUB_UINT8_4_LEADINGBITS) == GRUB_UINT8_3_LEADINGBITS)
+	    {
+	      count = 2;
+	      code = c & GRUB_UINT8_4_TRAILINGBITS;
+	    }
+	  else if ((c & GRUB_UINT8_5_LEADINGBITS) == GRUB_UINT8_4_LEADINGBITS)
+	    {
+	      count = 3;
+	      code = c & GRUB_UINT8_3_TRAILINGBITS;
+	    }
+	  else if ((c & GRUB_UINT8_6_LEADINGBITS) == GRUB_UINT8_5_LEADINGBITS)
+	    {
+	      count = 4;
+	      code = c & GRUB_UINT8_2_TRAILINGBITS;
+	    }
+	  else if ((c & GRUB_UINT8_7_LEADINGBITS) == GRUB_UINT8_6_LEADINGBITS)
+	    {
+	      count = 5;
+	      code = c & GRUB_UINT8_1_TRAILINGBIT;
+	    }
+	  else
+	    return -1;
+	}
+
+      if (count == 0)
+	{
+	  if (destsize < 2 && code >= GRUB_UCS2_LIMIT)
+	    break;
+	  if (code >= GRUB_UCS2_LIMIT)
+	    {
+	      *p++ = GRUB_UTF16_UPPER_SURROGATE (code);
+	      *p++ = GRUB_UTF16_LOWER_SURROGATE (code);
+	      destsize -= 2;
+	    }
+	  else
+	    {
+	      *p++ = code;
+	      destsize--;
+	    }
+	}
+    }
+
+  if (srcend)
+    *srcend = src;
+  return p - dest;
+}

lib/i386/relocator.c

@@ -0,0 +1,102 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2009  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/mm.h>
+#include <grub/misc.h>
+
+#include <grub/types.h>
+#include <grub/types.h>
+#include <grub/err.h>
+
+#include <grub/i386/relocator.h>
+
+extern grub_uint8_t grub_relocator32_forward_start;
+extern grub_uint8_t grub_relocator32_forward_end;
+extern grub_uint8_t grub_relocator32_backward_start;
+extern grub_uint8_t grub_relocator32_backward_end;
+
+extern grub_uint32_t grub_relocator32_backward_dest;
+extern grub_uint32_t grub_relocator32_backward_size;
+extern grub_addr_t grub_relocator32_backward_src;
+
+extern grub_uint32_t grub_relocator32_forward_dest;
+extern grub_uint32_t grub_relocator32_forward_size;
+extern grub_addr_t grub_relocator32_forward_src;
+
+extern grub_uint32_t grub_relocator32_forward_eax;
+extern grub_uint32_t grub_relocator32_forward_ebx;
+extern grub_uint32_t grub_relocator32_forward_ecx;
+extern grub_uint32_t grub_relocator32_forward_edx;
+extern grub_uint32_t grub_relocator32_forward_eip;
+extern grub_uint32_t grub_relocator32_forward_esp;
+
+extern grub_uint32_t grub_relocator32_backward_eax;
+extern grub_uint32_t grub_relocator32_backward_ebx;
+extern grub_uint32_t grub_relocator32_backward_ecx;
+extern grub_uint32_t grub_relocator32_backward_edx;
+extern grub_uint32_t grub_relocator32_backward_eip;
+extern grub_uint32_t grub_relocator32_backward_esp;
+
+#define RELOCATOR_SIZEOF(x)	(&grub_relocator32_##x##_end - &grub_relocator32_##x##_start)
+#define RELOCATOR_ALIGN 16
+#define PREFIX(x) grub_relocator32_ ## x
+
+static void
+write_call_relocator_bw (void *ptr, void *src, grub_uint32_t dest,
+			 grub_size_t size, struct grub_relocator32_state state)
+{
+  grub_relocator32_backward_dest = dest;
+  grub_relocator32_backward_src = PTR_TO_UINT64 (src);
+  grub_relocator32_backward_size = size;
+
+  grub_relocator32_backward_eax = state.eax;
+  grub_relocator32_backward_ebx = state.ebx;
+  grub_relocator32_backward_ecx = state.ecx;
+  grub_relocator32_backward_edx = state.edx;
+  grub_relocator32_backward_eip = state.eip;
+  grub_relocator32_backward_esp = state.esp;
+
+  grub_memmove (ptr,
+		&grub_relocator32_backward_start,
+		RELOCATOR_SIZEOF (backward));
+  ((void (*) (void)) ptr) ();
+}
+
+static void
+write_call_relocator_fw (void *ptr, void *src, grub_uint32_t dest,
+			 grub_size_t size, struct grub_relocator32_state state)
+{
+
+  grub_relocator32_forward_dest = dest;
+  grub_relocator32_forward_src = PTR_TO_UINT64 (src);
+  grub_relocator32_forward_size = size;
+  
+  grub_relocator32_forward_eax = state.eax;
+  grub_relocator32_forward_ebx = state.ebx;
+  grub_relocator32_forward_ecx = state.ecx;
+  grub_relocator32_forward_edx = state.edx;
+  grub_relocator32_forward_eip = state.eip;
+  grub_relocator32_forward_esp = state.esp;
+  
+  grub_memmove (ptr,
+		&grub_relocator32_forward_start,
+		RELOCATOR_SIZEOF (forward));
+  ((void (*) (void)) ptr) ();
+}
+
+#include "../relocator.c"

lib/i386/relocator_asm.S

@@ -0,0 +1,248 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2009  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/symbol.h>
+#include <grub/i386/memory.h>
+
+#ifdef BACKWARD
+#define RELOCATOR_VARIABLE(x) VARIABLE(grub_relocator32_backward_ ## x)
+#else
+#define RELOCATOR_VARIABLE(x) VARIABLE(grub_relocator32_forward_ ## x)
+#endif
+#ifdef __x86_64__
+#define RAX %rax
+#define RCX %rcx
+#define RDI %rdi
+#define RSI %rdi
+#else
+#define RAX %eax
+#define RCX %ecx
+#define RDI %edi	
+#define RSI %esi	
+#endif
+
+/* The code segment of the protected mode.  */
+#define CODE_SEGMENT	0x10
+
+/* The data segment of the protected mode.  */
+#define DATA_SEGMENT	0x18
+	
+	.p2align	4	/* force 16-byte alignment */
+
+RELOCATOR_VARIABLE(start)
+#ifdef BACKWARD
+LOCAL(base):
+#endif
+	cli
+
+#ifndef __x86_64__
+	/* mov imm32, %eax */
+	.byte	0xb8
+RELOCATOR_VARIABLE(dest)
+	.long	0
+	movl	%eax, %edi
+
+	/* mov imm32, %eax */
+	.byte	0xb8
+RELOCATOR_VARIABLE(src)
+	.long	0
+	movl	%eax, %esi
+
+	/* mov imm32, %ecx */
+	.byte	0xb9
+RELOCATOR_VARIABLE(size)
+	.long	0
+#else
+	xorq	%rax, %rax
+
+	/* mov imm32, %eax */
+	.byte	0xb8
+RELOCATOR_VARIABLE(dest)
+	.long	0
+	movq	%rax, %rdi
+
+	/* mov imm64, %rax */
+	.byte	0x48
+	.byte	0xb8
+RELOCATOR_VARIABLE(src)
+	.long	0, 0
+	movq	%rax, %rsi
+
+	xorq	%rcx, %rcx
+	/* mov imm32, %ecx */
+	.byte	0xb9
+RELOCATOR_VARIABLE(size)
+	.long	0
+
+#endif
+
+	mov	RDI, RAX
+	
+#ifdef BACKWARD
+	add	RCX, RSI
+	add	RCX, RDI
+#endif
+
+#ifndef BACKWARD
+	add	RCX, RAX
+#endif
+	add	$0x3, RCX
+	shr	$2, RCX
+
+	
+#ifdef BACKWARD
+	/* Backward movsl is implicitly off-by-four.  compensate that.  */
+	sub	$4,	RSI
+	sub	$4,	RDI
+
+	/* Backward copy.  */
+	std
+
+	rep
+	movsl
+
+#else
+	/* Forward copy.  */
+	cld
+	rep
+	movsl
+#endif
+
+	/* %rax contains now our new 'base'.  */
+	mov	RAX, RSI
+	add	$(LOCAL(cont0) - LOCAL(base)), RAX
+	jmp	*RAX
+LOCAL(cont0):
+	lea	(LOCAL(cont1) - LOCAL(base)) (RSI, 1), RAX
+	movl	%eax, (LOCAL(jump_vector) - LOCAL(base)) (RSI, 1)
+
+	lea	(LOCAL(gdt) - LOCAL(base)) (RSI, 1), RAX
+	mov	RAX, (LOCAL(gdt_addr) - LOCAL(base)) (RSI, 1)
+
+	/* Switch to compatibility mode. */
+
+	lgdt	(LOCAL(gdtdesc) - LOCAL(base)) (RSI, 1)
+
+	/* Update %cs.  */
+	ljmp	*(LOCAL(jump_vector) - LOCAL(base)) (RSI, 1)
+
+LOCAL(cont1):
+	.code32
+
+	/* Update other registers. */
+	movl	$DATA_SEGMENT, %eax
+	movl	%eax, %ds
+	movl	%eax, %es
+	movl	%eax, %fs
+	movl	%eax, %gs
+	movl	%eax, %ss
+
+	/* Disable paging. */
+	movl	%cr0, %eax
+	andl	$(~GRUB_MEMORY_CPU_CR0_PAGING_ON), %eax
+	movl	%eax, %cr0
+
+	/* Disable amd64. */
+	movl	$GRUB_MEMORY_CPU_AMD64_MSR, %ecx
+	rdmsr
+	andl	$(~GRUB_MEMORY_CPU_AMD64_MSR_ON), %eax
+	wrmsr
+
+	/* Turn off PAE. */
+	movl	%cr4, %eax
+	andl	$GRUB_MEMORY_CPU_CR4_PAE_ON, %eax
+	movl	%eax, %cr4
+
+	jmp	LOCAL(cont2)
+LOCAL(cont2):
+	.code32
+
+	/* mov imm32, %eax */
+	.byte	0xb8
+RELOCATOR_VARIABLE (esp)
+	.long	0
+
+	movl	%eax, %esp
+
+	/* mov imm32, %eax */
+	.byte	0xb8
+RELOCATOR_VARIABLE (eax)
+	.long	0
+
+	/* mov imm32, %ebx */
+	.byte	0xbb
+RELOCATOR_VARIABLE (ebx)
+	.long	0
+
+	/* mov imm32, %ecx */
+	.byte	0xb9
+RELOCATOR_VARIABLE (ecx)
+	.long	0
+
+	/* mov imm32, %edx */
+	.byte	0xba
+RELOCATOR_VARIABLE (edx)
+	.long	0
+
+	/* Cleared direction flag is of no problem with any current
+	   payload and makes this implementation easier.  */
+	cld
+
+	.byte	0xea
+RELOCATOR_VARIABLE (eip)
+	.long	0
+	.word	CODE_SEGMENT
+
+	/* GDT. Copied from loader/i386/linux.c. */
+	.p2align	4
+LOCAL(gdt):
+	/* NULL.  */
+	.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+	
+	/* Reserved.  */
+	.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+
+	/* Code segment.  */
+	.byte 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x9A, 0xCF, 0x00
+
+	/* Data segment.  */
+	.byte 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x92, 0xCF, 0x00
+
+	.p2align	4
+LOCAL(gdtdesc):
+	.word	0x27
+LOCAL(gdt_addr):
+#ifdef __x86_64__
+	/* Filled by the code. */
+	.quad	0
+#else
+	/* Filled by the code. */
+	.long	0
+#endif
+	
+	.p2align	4
+LOCAL(jump_vector):
+	/* Jump location. Is filled by the code */
+	.long	0
+	.long	CODE_SEGMENT
+
+#ifndef BACKWARD
+LOCAL(base):
+#endif
+
+RELOCATOR_VARIABLE(end)

lib/i386/relocator_backward.S

@@ -0,0 +1,2 @@
+#define BACKWARD
+#include "relocator_asm.S"

lib/mips/relocator.c

@@ -0,0 +1,109 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2009  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/mm.h>
+#include <grub/misc.h>
+
+#include <grub/types.h>
+#include <grub/types.h>
+#include <grub/err.h>
+#include <grub/cache.h>
+
+#include <grub/mips/relocator.h>
+
+/* Remark: doesn't work with source outside of 4G.
+   Use relocator64 in this case. 
+ */
+
+extern grub_uint8_t grub_relocator32_forward_start;
+extern grub_uint8_t grub_relocator32_forward_end;
+extern grub_uint8_t grub_relocator32_backward_start;
+extern grub_uint8_t grub_relocator32_backward_end;
+
+#define REGW_SIZEOF (2 * sizeof (grub_uint32_t))
+#define JUMP_SIZEOF (sizeof (grub_uint32_t))
+
+#define RELOCATOR_SRC_SIZEOF(x) (&grub_relocator32_##x##_end \
+				 - &grub_relocator32_##x##_start)
+#define RELOCATOR_SIZEOF(x)	(RELOCATOR_SRC_SIZEOF(x) \
+				 + REGW_SIZEOF * (31 + 3) + JUMP_SIZEOF)
+#define RELOCATOR_ALIGN 16
+
+#define PREFIX(x) grub_relocator32_ ## x
+
+static void
+write_reg (int regn, grub_uint32_t val, void **target)
+{
+  /* lui $r, (val+0x8000).  */
+  *(grub_uint32_t *) *target = ((0x3c00 | regn) << 16) | ((val + 0x8000) >> 16);
+  *target = ((grub_uint32_t *) *target) + 1;
+  /* addiu $r, $r, val. */
+  *(grub_uint32_t *) *target = (((0x2400 | regn << 5 | regn) << 16)
+				| (val & 0xffff));
+  *target = ((grub_uint32_t *) *target) + 1;
+}
+
+static void
+write_jump (int regn, void **target)
+{
+  /* j $r.  */
+  *(grub_uint32_t *) *target = (regn<<21) | 0x8;
+  *target = ((grub_uint32_t *) *target) + 1;
+}
+
+static void
+write_call_relocator_bw (void *ptr0, void *src, grub_uint32_t dest,
+			 grub_size_t size, struct grub_relocator32_state state)
+{
+  void *ptr = ptr0;
+  int i;
+  write_reg (8, (grub_uint32_t) src, &ptr);
+  write_reg (9, dest, &ptr);
+  write_reg (10, size, &ptr);
+  grub_memcpy (ptr, &grub_relocator32_backward_start,
+	       RELOCATOR_SRC_SIZEOF (backward));
+  ptr = (grub_uint8_t *) ptr + RELOCATOR_SRC_SIZEOF (backward);
+  for (i = 1; i < 32; i++)
+    write_reg (i, state.gpr[i], &ptr);
+  write_jump (state.jumpreg, &ptr);
+  grub_arch_sync_caches (ptr0, (grub_uint8_t *) ptr -  (grub_uint8_t *) ptr0);
+  grub_dprintf ("relocator", "Backward relocator: about to jump to %p\n", ptr0);
+  ((void (*) (void)) ptr0) ();
+}
+
+static void
+write_call_relocator_fw (void *ptr0, void *src, grub_uint32_t dest,
+			 grub_size_t size, struct grub_relocator32_state state)
+{
+  void *ptr = ptr0;
+  int i;
+  write_reg (8, (grub_uint32_t) src, &ptr);
+  write_reg (9, dest, &ptr);
+  write_reg (10, size, &ptr);
+  grub_memcpy (ptr, &grub_relocator32_forward_start,
+	       RELOCATOR_SRC_SIZEOF (forward));
+  ptr = (grub_uint8_t *) ptr + RELOCATOR_SRC_SIZEOF (forward);
+  for (i = 1; i < 32; i++)
+    write_reg (i, state.gpr[i], &ptr);
+  write_jump (state.jumpreg, &ptr);
+  grub_arch_sync_caches (ptr0, (grub_uint8_t *) ptr -  (grub_uint8_t *) ptr0);
+  grub_dprintf ("relocator", "Forward relocator: about to jump to %p\n", ptr0);
+  ((void (*) (void)) ptr0) ();
+}
+
+#include "../relocator.c"

lib/mips/relocator_asm.S

@@ -0,0 +1,93 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2009  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/symbol.h>
+	
+	.p2align	4	/* force 16-byte alignment */
+
+VARIABLE (grub_relocator32_forward_start)
+	move $12, $9
+	move $13, $10
+
+copycont1:	
+	lb $11,0($8)
+	sb $11,0($9)
+	addiu $8, $8, 0x1
+	addiu $9, $9, 0x1
+	addiu $10, $10, 0xffff
+	bne $10, $0, copycont1
+
+	move $9, $12
+	move $10, $13
+cachecont1a:	
+	cache 1,0($12)
+	addiu $12, $12, 0x1
+	addiu $13, $13, 0xffff
+	bne $13, $0, cachecont1a
+
+	sync
+
+	move $12, $9
+	move $13, $10
+cachecont1b:	
+	cache 0,0($12)
+	addiu $12, $12, 0x1
+	addiu $13, $13, 0xffff
+	bne $13, $0, cachecont1b
+
+	sync
+
+VARIABLE (grub_relocator32_forward_end)
+
+VARIABLE (grub_relocator32_backward_start)
+	move $12, $9
+	move $13, $10
+
+	addu $9, $9, $10
+	addu $8, $8, $10
+	/* Backward movsl is implicitly off-by-one.  compensate that.  */
+	addiu $9, $9, 0xffff
+	addiu $8, $8, 0xffff
+copycont2:	
+	lb $11,0($8)
+	sb $11,0($9)
+	addiu $8, $8, 0xffff
+	addiu $9, $9, 0xffff
+	addiu $10, 0xffff
+	bne $10, $0, copycont2
+
+	move $9, $12
+	move $10, $13
+cachecont2a:	
+	cache 1,0($12)
+	addiu $12, $12, 0x1
+	addiu $13, $13, 0xffff
+	bne $13, $0, cachecont2a
+
+	sync
+
+	move $12, $9
+	move $13, $10
+cachecont2b:	
+	cache 0,0($12)
+	addiu $12, $12, 0x1
+	addiu $13, $13, 0xffff
+	bne $13, $0, cachecont2b
+
+	sync
+VARIABLE (grub_relocator32_backward_end)

lib/relocator.c

@@ -0,0 +1,137 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2009  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define MAX_OVERHEAD ((RELOCATOR_SIZEOF (forward) + RELOCATOR_ALIGN) \
+		      + (RELOCATOR_SIZEOF (backward) + RELOCATOR_ALIGN) \
+		      + (RELOCATOR_SIZEOF (forward) + RELOCATOR_ALIGN)	\
+		      + (RELOCATOR_SIZEOF (backward) + RELOCATOR_ALIGN))
+#define PRE_REGION_SIZE (RELOCATOR_SIZEOF (backward) + RELOCATOR_ALIGN)
+
+void *
+PREFIX (alloc) (grub_size_t size)
+{
+  char *playground;
+
+  playground = grub_malloc (size + MAX_OVERHEAD);
+  if (!playground)
+    return 0;
+
+  *(grub_size_t *) playground = size;
+
+  return playground + PRE_REGION_SIZE;
+}
+
+void *
+PREFIX (realloc) (void *relocator, grub_size_t size)
+{
+  char *playground;
+
+  if (!relocator)
+    return PREFIX (alloc) (size);
+
+  playground = (char *) relocator - PRE_REGION_SIZE;
+
+  playground = grub_realloc (playground, size + MAX_OVERHEAD);
+  if (!playground)
+    return 0;
+
+  *(grub_size_t *) playground = size;
+
+  return playground + PRE_REGION_SIZE;
+}
+
+void
+PREFIX(free) (void *relocator)
+{
+  if (relocator)
+    grub_free ((char *) relocator - PRE_REGION_SIZE);
+}
+
+grub_err_t
+PREFIX (boot) (void *relocator, grub_uint32_t dest,
+	       struct grub_relocator32_state state)
+{
+  grub_size_t size;
+  char *playground;
+
+  playground = (char *) relocator - PRE_REGION_SIZE;
+  size = *(grub_size_t *) playground;
+
+  grub_dprintf ("relocator",
+		"Relocator: source: %p, destination: 0x%x, size: 0x%lx\n",
+		relocator, (unsigned) dest, (unsigned long) size);
+
+  /* Very unlikely condition: Relocator may risk overwrite itself.
+     Just move it a bit up.  */
+  if ((grub_addr_t) dest < (grub_addr_t) relocator
+      + (RELOCATOR_SIZEOF (backward) + RELOCATOR_ALIGN) 
+      && (grub_addr_t) dest + (RELOCATOR_SIZEOF (forward) + RELOCATOR_ALIGN)
+      > (grub_addr_t) relocator)
+    {
+      void *relocator_new = ((grub_uint8_t *) relocator)
+	+ (RELOCATOR_SIZEOF (forward) + RELOCATOR_ALIGN)
+	+ (RELOCATOR_SIZEOF (backward) + RELOCATOR_ALIGN);
+      grub_dprintf ("relocator", "Overwrite condition detected moving "
+		    "relocator from %p to %p\n", relocator, relocator_new);
+      grub_memmove (relocator_new, relocator,
+		    (RELOCATOR_SIZEOF (forward) + RELOCATOR_ALIGN)
+		    + size
+		    + (RELOCATOR_SIZEOF (backward) + RELOCATOR_ALIGN));
+      relocator = relocator_new;
+    }
+
+  if ((grub_addr_t) dest >= (grub_addr_t) relocator)
+    {
+      int overhead;
+      overhead = dest -
+	ALIGN_UP (dest - RELOCATOR_SIZEOF (backward) - RELOCATOR_ALIGN,
+		  RELOCATOR_ALIGN);
+      grub_dprintf ("relocator",
+		    "Backward relocator: code %p, source: %p, "
+		    "destination: 0x%x, size: 0x%lx\n",
+		    (char *) relocator - overhead,
+		    (char *) relocator - overhead, 
+		    (unsigned) dest - overhead,
+		    (unsigned long) size + overhead);
+
+      write_call_relocator_bw ((char *) relocator - overhead,
+			       (char *) relocator - overhead,
+			       dest - overhead, size + overhead, state);
+    }
+  else
+    {
+      int overhead;
+
+      overhead = ALIGN_UP (dest + size, RELOCATOR_ALIGN)
+	+ RELOCATOR_SIZEOF (forward) - (dest + size);
+      grub_dprintf ("relocator",
+		    "Forward relocator: code %p, source: %p, "
+		    "destination: 0x%x, size: 0x%lx\n",
+		    (char *) relocator + size + overhead
+		    - RELOCATOR_SIZEOF (forward),
+		    relocator, (unsigned) dest,
+		    (unsigned long) size + overhead);
+
+      write_call_relocator_fw ((char *) relocator + size + overhead
+			       - RELOCATOR_SIZEOF (forward),
+			       relocator, dest, size + overhead, state);
+    }
+
+  /* Not reached.  */
+  return GRUB_ERR_NONE;
+}

loader/efi/chainloader.c

@@ -25,6 +25,7 @@
 #include <grub/device.h>
 #include <grub/disk.h>
 #include <grub/misc.h>
+#include <grub/charset.h>
 #include <grub/mm.h>
 #include <grub/types.h>
 #include <grub/dl.h>

loader/i386/multiboot.c

@@ -48,18 +48,36 @@
 #include <grub/device.h>
 #include <grub/partition.h>
 #endif
+#include <grub/i386/relocator.h>
 
 extern grub_dl_t my_mod;
 static struct multiboot_info *mbi, *mbi_dest;
-static grub_addr_t entry;
 
-static char *playground = 0;
 static grub_size_t code_size;
 
+char *grub_multiboot_payload_orig;
+grub_addr_t grub_multiboot_payload_dest;
+grub_size_t grub_multiboot_payload_size;
+grub_uint32_t grub_multiboot_payload_eip;
+
 static grub_err_t
 grub_multiboot_boot (void)
 {
-  grub_multiboot_real_boot (entry, mbi_dest);
+  struct grub_relocator32_state state =
+    {
+      .eax = MULTIBOOT_MAGIC2,
+      .ebx = PTR_TO_UINT32 (mbi_dest),
+      .ecx = 0,
+      .edx = 0,
+      .eip = grub_multiboot_payload_eip,
+      /* Set esp to some random location in low memory to avoid breaking
+	 non-compliant kernels.  */
+      .esp = 0x7ff00
+    };
+
+  grub_relocator32_boot (grub_multiboot_payload_orig,
+			 grub_multiboot_payload_dest,
+			 state);
 
   /* Not reached.  */
   return GRUB_ERR_NONE;
@@ -68,7 +86,7 @@ grub_multiboot_boot (void)
 static grub_err_t
 grub_multiboot_unload (void)
 {
-  if (playground)
+  if (mbi)
     {
       unsigned int i;
       for (i = 0; i < mbi->mods_count; i++)
@@ -79,11 +97,11 @@ grub_multiboot_unload (void)
 		     ((struct multiboot_mod_list *) mbi->mods_addr)[i].cmdline);
 	}
       grub_free ((void *) mbi->mods_addr);
-      grub_free (playground);
     }
+  grub_relocator32_free (grub_multiboot_payload_orig);
 
   mbi = NULL;
-  playground = NULL;
+  grub_multiboot_payload_orig = NULL;
   grub_dl_unref (my_mod);
 
   return GRUB_ERR_NONE;
@@ -250,11 +268,8 @@ grub_multiboot (int argc, char *argv[])
       goto fail;
     }
 
-  if (playground)
+  grub_relocator32_free (grub_multiboot_payload_orig);
-    {
+  grub_multiboot_payload_orig = NULL;
-      grub_free (playground);
-      playground = NULL;
-    }
 
   mmap_length = grub_get_multiboot_mmap_len ();
 
@@ -296,13 +311,14 @@ grub_multiboot (int argc, char *argv[])
       grub_multiboot_payload_dest = header->load_addr;
 
       grub_multiboot_payload_size += code_size;
-      playground = grub_malloc (RELOCATOR_SIZEOF(forward) + grub_multiboot_payload_size + RELOCATOR_SIZEOF(backward));
+
-      if (! playground)
+      grub_multiboot_payload_orig
+	= grub_relocator32_alloc (grub_multiboot_payload_size);
+
+      if (! grub_multiboot_payload_orig)
 	goto fail;
 
-      grub_multiboot_payload_orig = (long) playground + RELOCATOR_SIZEOF(forward);
+      if ((grub_file_seek (file, offset)) == (grub_off_t) -1)
-
-      if ((grub_file_seek (file, offset)) == (grub_off_t) - 1)
 	goto fail;
 
       grub_file_read (file, (void *) grub_multiboot_payload_orig, load_size);
@@ -313,7 +329,7 @@ grub_multiboot (int argc, char *argv[])
 	grub_memset ((void *) (grub_multiboot_payload_orig + load_size), 0,
 		     header->bss_end_addr - header->load_addr - load_size);
 
-      grub_multiboot_payload_entry_offset = header->entry_addr - header->load_addr;
+      grub_multiboot_payload_eip = header->entry_addr;
 
     }
   else if (grub_multiboot_load_elf (file, buffer) != GRUB_ERR_NONE)
@@ -334,23 +350,6 @@ grub_multiboot (int argc, char *argv[])
   mbi->mmap_addr = (grub_uint32_t) mmap_addr (grub_multiboot_payload_dest);
   mbi->flags |= MULTIBOOT_INFO_MEM_MAP;
 
-  if (grub_multiboot_payload_dest >= grub_multiboot_payload_orig)
-    {
-      grub_memmove (playground, &grub_multiboot_forward_relocator, RELOCATOR_SIZEOF(forward));
-      entry = (grub_addr_t) playground;
-    }
-  else
-    {
-      grub_memmove ((char *) (grub_multiboot_payload_orig + grub_multiboot_payload_size),
-		    &grub_multiboot_backward_relocator, RELOCATOR_SIZEOF(backward));
-      entry = (grub_addr_t) grub_multiboot_payload_orig + grub_multiboot_payload_size;
-    }
-
-  grub_dprintf ("multiboot_loader", "dest=%p, size=0x%x, entry_offset=0x%x\n",
-		(void *) grub_multiboot_payload_dest,
-		grub_multiboot_payload_size,
-		grub_multiboot_payload_entry_offset);
-
   /* Convert from bytes to kilobytes.  */
   mbi->mem_lower = grub_mmap_get_lower () / 1024;
   mbi->mem_upper = grub_mmap_get_upper () / 1024;

loader/i386/multiboot_elfxx.c

@@ -32,6 +32,8 @@
 #error "I'm confused"
 #endif
 
+#include <grub/i386/relocator.h>
+
 #define CONCAT(a,b)	CONCAT_(a, b)
 #define CONCAT_(a,b)	a ## b
 
@@ -99,11 +101,12 @@ CONCAT(grub_multiboot_load_elf, XX) (grub_file_t file, void *buffer)
   grub_multiboot_payload_dest = phdr(lowest_segment)->p_paddr;
 
   grub_multiboot_payload_size += code_size;
-  playground = grub_malloc (RELOCATOR_SIZEOF(forward) + grub_multiboot_payload_size + RELOCATOR_SIZEOF(backward));
-  if (! playground)
-    return grub_errno;
 
-  grub_multiboot_payload_orig = (long) playground + RELOCATOR_SIZEOF(forward);
+  grub_multiboot_payload_orig
+    = grub_relocator32_alloc (grub_multiboot_payload_size);
+
+  if (!grub_multiboot_payload_orig)
+    return grub_errno;
 
   /* Load every loadable segment in memory.  */
   for (i = 0; i < ehdr->e_phnum; i++)
@@ -135,8 +138,8 @@ CONCAT(grub_multiboot_load_elf, XX) (grub_file_t file, void *buffer)
     if (phdr(i)->p_vaddr <= ehdr->e_entry
 	&& phdr(i)->p_vaddr + phdr(i)->p_memsz > ehdr->e_entry)
       {
-	grub_multiboot_payload_entry_offset = (ehdr->e_entry - phdr(i)->p_vaddr)
+	grub_multiboot_payload_eip = grub_multiboot_payload_dest
-	  + (phdr(i)->p_paddr  - phdr(lowest_segment)->p_paddr);
+	  + (ehdr->e_entry - phdr(i)->p_vaddr) + (phdr(i)->p_paddr  - phdr(lowest_segment)->p_paddr);
 	break;
       }
 

loader/i386/multiboot_helper.S

@@ -22,81 +22,6 @@
 
 	.p2align	2	/* force 4-byte alignment */
 
-/*
- * This starts the multiboot kernel.
- */
-
-VARIABLE(grub_multiboot_payload_size)
-	.long	0
-VARIABLE(grub_multiboot_payload_orig)
-	.long	0
-VARIABLE(grub_multiboot_payload_dest)
-	.long	0
-VARIABLE(grub_multiboot_payload_entry_offset)
-	.long	0
-
-/*
- * The relocators below understand the following parameters:
- * ecx:	Size of the block to be copied.
- * esi:	Where to copy from (always lowest address, even if we're relocating
- *      backwards).
- * edi:	Where to copy to (likewise).
- * edx:	Offset of the entry point (relative to the beginning of the block).
- */
-
-VARIABLE(grub_multiboot_forward_relocator)
-	/* Add entry offset.  */
-	addl	%edi, %edx
-
-	/* Forward copy.  */
-	cld
-	rep
-	movsb
-
-	jmp	*%edx
-VARIABLE(grub_multiboot_forward_relocator_end)
-
-VARIABLE(grub_multiboot_backward_relocator)
-	/* Add entry offset (before %edi is mangled).  */
-	addl	%edi, %edx
-
-	/* Backward movsb is implicitly off-by-one.  compensate that.  */
-	decl	%esi
-	decl	%edi
-
-	/* Backward copy.  */
-	std
-	addl	%ecx, %esi
-	addl	%ecx, %edi
-	rep
-	movsb
-
-	cld
-	jmp	*%edx
-VARIABLE(grub_multiboot_backward_relocator_end)
-
-FUNCTION(grub_multiboot_real_boot)
-	/* Push the entry address on the stack.  */
-	pushl	%eax
-	/* Move the address of the multiboot information structure to ebx.  */
-	movl	%edx,%ebx
-
-	/* Interrupts should be disabled.  */
-	cli
-
-	/* Where do we copy what from.  */
-	movl	EXT_C(grub_multiboot_payload_size), %ecx
-	movl	EXT_C(grub_multiboot_payload_orig), %esi
-	movl	EXT_C(grub_multiboot_payload_dest), %edi
-	movl	EXT_C(grub_multiboot_payload_entry_offset), %edx
-
-	/* Move the magic value into eax.  */
-	movl	$MULTIBOOT_MAGIC2, %eax
-
-	/* Jump to the relocator.  */
-	popl	%ebp
-	jmp 	*%ebp
-
 /*
  * This starts the multiboot 2 kernel.
  */

loader/i386/xnu.c

@@ -25,11 +25,17 @@
 #include <grub/loader.h>
 #include <grub/autoefi.h>
 #include <grub/i386/tsc.h>
+#include <grub/efi/api.h>
 #include <grub/i386/pit.h>
 #include <grub/misc.h>
+#include <grub/charset.h>
 #include <grub/term.h>
+#include <grub/command.h>
+#include <grub/gzio.h>
 
 char grub_xnu_cmdline[1024];
+grub_uint32_t grub_xnu_heap_will_be_at;
+grub_uint32_t grub_xnu_entry_point, grub_xnu_arg1, grub_xnu_stack;
 
 /* Aliases set for some tables. */
 struct tbl_alias
@@ -44,20 +50,13 @@ struct tbl_alias table_aliases[] =
     {GRUB_EFI_ACPI_TABLE_GUID, "ACPI"},
   };
 
-/* The following function is used to be able to debug xnu loader
+struct grub_xnu_devprop_device_descriptor
-   with grub-emu. */
-#ifdef GRUB_UTIL
-static grub_err_t
-grub_xnu_launch (void)
 {
-  grub_printf ("Fake launch %x:%p:%p", grub_xnu_entry_point, grub_xnu_arg1,
+  struct grub_xnu_devprop_device_descriptor *next;
-	       grub_xnu_stack);
+  struct property_descriptor *properties;
-  grub_getkey ();
+  struct grub_efi_device_path *path;
-  return 0;
+  int pathlen;
-}
+};
-#else
-static void (*grub_xnu_launch) (void) = 0;
-#endif
 
 static int
 utf16_strlen (grub_uint16_t *in)
@@ -205,6 +204,417 @@ guessfsb (void)
 			((msrlow >> 7) & 0x3e) + ((msrlow >> 14) & 1), 0);
 }
 
+struct property_descriptor
+{
+  struct property_descriptor *next;
+  grub_uint8_t *name;
+  grub_uint16_t *name16;
+  int name16len;
+  int length;
+  void *data;
+};
+
+struct grub_xnu_devprop_device_descriptor *devices = 0;
+
+grub_err_t
+grub_xnu_devprop_remove_property (struct grub_xnu_devprop_device_descriptor *dev,
+				  char *name)
+{
+  struct property_descriptor *prop;
+  prop = grub_named_list_find (GRUB_AS_NAMED_LIST_P (&dev->properties), name);
+  if (!prop)
+    return GRUB_ERR_NONE;
+
+  grub_free (prop->name);
+  grub_free (prop->name16);
+  grub_free (prop->data);
+
+  grub_list_remove (GRUB_AS_LIST_P (&dev->properties), GRUB_AS_LIST (prop));
+
+  return GRUB_ERR_NONE;
+}
+
+grub_err_t
+grub_xnu_devprop_remove_device (struct grub_xnu_devprop_device_descriptor *dev)
+{
+  void *t;
+  struct property_descriptor *prop;
+
+  grub_list_remove (GRUB_AS_LIST_P (&devices), GRUB_AS_LIST (dev));
+
+  for (prop = dev->properties; prop; )
+    {
+      grub_free (prop->name);
+      grub_free (prop->name16);
+      grub_free (prop->data);
+      t = prop;
+      prop = prop->next;
+      grub_free (t);
+    }
+
+  grub_free (dev->path);
+  grub_free (dev);
+
+  return GRUB_ERR_NONE;
+}
+
+struct grub_xnu_devprop_device_descriptor *
+grub_xnu_devprop_add_device (struct grub_efi_device_path *path, int length)
+{
+  struct grub_xnu_devprop_device_descriptor *ret;
+
+  ret = grub_zalloc (sizeof (*ret));
+  if (!ret)
+    return 0;
+
+  ret->path = grub_malloc (length);
+  if (!ret->path)
+    {
+      grub_free (ret);
+      return 0;
+    }
+  ret->pathlen = length;
+  grub_memcpy (ret->path, path, length);
+
+  grub_list_push (GRUB_AS_LIST_P (&devices), GRUB_AS_LIST (ret));
+
+  return ret;
+}
+
+static grub_err_t
+grub_xnu_devprop_add_property (struct grub_xnu_devprop_device_descriptor *dev,
+			       grub_uint8_t *utf8, grub_uint16_t *utf16,
+			       int utf16len, void *data, int datalen)
+{
+  struct property_descriptor *prop;
+
+  prop = grub_malloc (sizeof (*prop));
+  if (!prop)
+    return grub_errno;
+
+  prop->name = utf8;
+  prop->name16 = utf16;
+  prop->name16len = utf16len;
+
+  prop->length = datalen;
+  prop->data = grub_malloc (prop->length);
+  if (!prop->data)
+    {
+      grub_free (prop);
+      grub_free (prop->name);
+      grub_free (prop->name16);
+      return grub_errno;
+    }
+  grub_memcpy (prop->data, data, prop->length);
+  grub_list_push (GRUB_AS_LIST_P (&dev->properties),
+		  GRUB_AS_LIST (prop));
+  return GRUB_ERR_NONE;
+}
+
+grub_err_t
+grub_xnu_devprop_add_property_utf8 (struct grub_xnu_devprop_device_descriptor *dev,
+				    char *name, void *data, int datalen)
+{
+  grub_uint8_t *utf8;
+  grub_uint16_t *utf16;
+  int len, utf16len;
+  grub_err_t err;
+
+  utf8 = (grub_uint8_t *) grub_strdup (name);
+  if (!utf8)
+    return grub_errno;
+
+  len = grub_strlen (name);
+  utf16 = grub_malloc (sizeof (grub_uint16_t) * len);
+  if (!utf16)
+    {
+      grub_free (utf8);
+      return grub_errno;
+    }
+
+  utf16len = grub_utf8_to_utf16 (utf16, len, utf8, len, NULL);
+  if (utf16len < 0)
+    {
+      grub_free (utf8);
+      grub_free (utf16);
+      return grub_errno;
+    }
+
+  err = grub_xnu_devprop_add_property (dev, utf8, utf16,
+				       utf16len, data, datalen);
+  if (err)
+    {
+      grub_free (utf8);
+      grub_free (utf16);
+      return err;
+    }
+
+  return GRUB_ERR_NONE;
+}
+
+grub_err_t
+grub_xnu_devprop_add_property_utf16 (struct grub_xnu_devprop_device_descriptor *dev,
+				     grub_uint16_t *name, int namelen,
+				     void *data, int datalen)
+{
+  grub_uint8_t *utf8;
+  grub_uint16_t *utf16;
+  grub_err_t err;
+
+  utf16 = grub_malloc (sizeof (grub_uint16_t) * namelen);
+  if (!utf16)
+    return grub_errno;
+  grub_memcpy (utf16, name, sizeof (grub_uint16_t) * namelen);
+
+  utf8 = grub_malloc (namelen * 4 + 1);
+  if (!utf8)
+    {
+      grub_free (utf8);
+      return grub_errno;
+    }
+
+  *grub_utf16_to_utf8 ((grub_uint8_t *) utf8, name, namelen) = '\0';
+
+  err = grub_xnu_devprop_add_property (dev, utf8, utf16,
+				       namelen, data, datalen);
+  if (err)
+    {
+      grub_free (utf8);
+      grub_free (utf16);
+      return err;
+    }
+
+  return GRUB_ERR_NONE;
+}
+
+static inline int
+hextoval (char c)
+{
+  if (c >= '0' && c <= '9')
+    return c - '0';
+  if (c >= 'a' && c <= 'z')
+    return c - 'a' + 10;
+  if (c >= 'A' && c <= 'Z')
+    return c - 'A' + 10;
+  return 0;
+}
+
+void
+grub_cpu_xnu_unload (void)
+{
+  struct grub_xnu_devprop_device_descriptor *dev1, *dev2;
+
+  for (dev1 = devices; dev1; )
+    {
+      dev2 = dev1->next;
+      grub_xnu_devprop_remove_device (dev1);
+      dev1 = dev2;
+    }
+}
+
+static grub_err_t
+grub_cpu_xnu_fill_devprop (void)
+{
+  struct grub_xnu_devtree_key *efikey;
+  int total_length = sizeof (struct grub_xnu_devprop_header);
+  struct grub_xnu_devtree_key *devprop;
+  struct grub_xnu_devprop_device_descriptor *device;
+  void *ptr;
+  struct grub_xnu_devprop_header *head;
+  void *t;
+  int numdevs = 0;
+
+  /* The key "efi". */
+  efikey = grub_xnu_create_key (&grub_xnu_devtree_root, "efi");
+  if (! efikey)
+    return grub_errno;
+
+  for (device = devices; device; device = device->next)
+    {
+      struct property_descriptor *propdesc;
+      total_length += sizeof (struct grub_xnu_devprop_device_header);
+      total_length += device->pathlen;
+
+      for (propdesc = device->properties; propdesc; propdesc = propdesc->next)
+	{
+	  total_length += sizeof (grub_uint32_t);
+	  total_length += sizeof (grub_uint16_t)
+	    * (propdesc->name16len + 1);
+	  total_length += sizeof (grub_uint32_t);
+	  total_length += propdesc->length;
+	}
+      numdevs++;
+    }
+
+  devprop = grub_xnu_create_value (&(efikey->first_child), "device-properties");
+  if (devprop)
+    {
+      devprop->data = grub_malloc (total_length);
+      devprop->datasize = total_length;
+    }
+
+  ptr = devprop->data;
+  head = ptr;
+  ptr = head + 1;
+  head->length = total_length;
+  head->alwaysone = 1;
+  head->num_devices = numdevs;
+  for (device = devices; device; )
+    {
+      struct grub_xnu_devprop_device_header *devhead;
+      struct property_descriptor *propdesc;
+      devhead = ptr;
+      devhead->num_values = 0;
+      ptr = devhead + 1;
+
+      grub_memcpy (ptr, device->path, device->pathlen);
+      ptr = (char *) ptr + device->pathlen;
+
+      for (propdesc = device->properties; propdesc; )
+	{
+	  grub_uint32_t *len;
+	  grub_uint16_t *name;
+	  void *data;
+
+	  len = ptr;
+	  *len = 2 * propdesc->name16len + sizeof (grub_uint16_t)
+	    + sizeof (grub_uint32_t);
+	  ptr = len + 1;
+
+	  name = ptr;
+	  grub_memcpy (name, propdesc->name16, 2 * propdesc->name16len);
+	  name += propdesc->name16len;
+
+	  /* NUL terminator.  */
+	  *name = 0;
+	  ptr = name + 1;
+
+	  len = ptr;
+	  *len = propdesc->length + sizeof (grub_uint32_t);
+	  data = len + 1;
+	  ptr = data;
+	  grub_memcpy (ptr, propdesc->data, propdesc->length);
+	  ptr = (char *) ptr + propdesc->length;
+
+	  grub_free (propdesc->name);
+	  grub_free (propdesc->name16);
+	  grub_free (propdesc->data);
+	  t = propdesc;
+	  propdesc = propdesc->next;
+	  grub_free (t);
+	  devhead->num_values++;
+	}
+
+      devhead->length = (char *) ptr - (char *) devhead;
+      t = device;
+      device = device->next;
+      grub_free (t);
+    }
+
+  devices = 0;
+
+  return GRUB_ERR_NONE;
+}
+
+static grub_err_t
+grub_cmd_devprop_load (grub_command_t cmd __attribute__ ((unused)),
+		       int argc, char *args[])
+{
+  grub_file_t file;
+  void *buf, *bufstart, *bufend;
+  struct grub_xnu_devprop_header *head;
+  grub_size_t size;
+  unsigned i, j;
+
+  if (argc != 1)
+    return grub_error (GRUB_ERR_BAD_ARGUMENT, "File name required. ");
+
+  file = grub_gzfile_open (args[0], 1);
+  if (! file)
+    return grub_error (GRUB_ERR_FILE_NOT_FOUND,
+		       "Couldn't load device-propertie dump. ");
+  size = grub_file_size (file);
+  buf = grub_malloc (size);
+  if (!buf)
+    {
+      grub_file_close (file);
+      return grub_errno;
+    }
+  if (grub_file_read (file, buf, size) != (grub_ssize_t) size)
+    {
+      grub_file_close (file);
+      return grub_errno;
+    }
+  grub_file_close (file);
+
+  bufstart = buf;
+  bufend = (char *) buf + size;
+  head = buf;
+  buf = head + 1;
+  for (i = 0; i < grub_le_to_cpu32 (head->num_devices) && buf < bufend; i++)
+    {
+      struct grub_efi_device_path *dp, *dpstart;
+      struct grub_xnu_devprop_device_descriptor *dev;
+      struct grub_xnu_devprop_device_header *devhead;
+
+      devhead = buf;
+      buf = devhead + 1;
+      dpstart = buf;
+
+      do
+	{
+	  dp = buf;
+	  buf = (char *) buf + GRUB_EFI_DEVICE_PATH_LENGTH (dp);
+	}
+      while (!GRUB_EFI_END_ENTIRE_DEVICE_PATH (dp) && buf < bufend);
+
+      dev = grub_xnu_devprop_add_device (dpstart, (char *) buf
+					 - (char *) dpstart);
+
+      for (j = 0; j < grub_le_to_cpu32 (devhead->num_values) && buf < bufend;
+	   j++)
+	{
+	  grub_uint32_t *namelen;
+	  grub_uint32_t *datalen;
+	  grub_uint16_t *utf16;
+	  void *data;
+	  grub_err_t err;
+
+	  namelen = buf;
+	  buf = namelen + 1;
+	  if (buf >= bufend)
+	    break;
+
+	  utf16 = buf;
+	  buf = (char *) buf + *namelen - sizeof (grub_uint32_t);
+	  if (buf >= bufend)
+	    break;
+
+	  datalen = buf;
+	  buf = datalen + 1;
+	  if (buf >= bufend)
+	    break;
+
+	  data = buf;
+	  buf = (char *) buf + *datalen - sizeof (grub_uint32_t);
+	  if (buf >= bufend)
+	    break;
+	  err = grub_xnu_devprop_add_property_utf16
+	    (dev, utf16, (*namelen - sizeof (grub_uint32_t)
+			  - sizeof (grub_uint16_t)) / sizeof (grub_uint16_t),
+	     data, *datalen - sizeof (grub_uint32_t));
+	  if (err)
+	    {
+	      grub_free (bufstart);
+	      return err;
+	    }
+	}
+    }
+
+  grub_free (bufstart);
+  return GRUB_ERR_NONE;
+}
+
 /* Fill device tree. */
 /* FIXME: some entries may be platform-agnostic. Move them to loader/xnu.c. */
 grub_err_t
@@ -216,11 +626,6 @@ grub_cpu_xnu_fill_devicetree (void)
   struct grub_xnu_devtree_key *runtimesrvkey;
   struct grub_xnu_devtree_key *platformkey;
   unsigned i, j;
-  grub_err_t err;
-
-  err = grub_autoefi_prepare ();
-  if (err)
-    return err;
 
   /* The value "model". */
   /* FIXME: may this value be sometimes different? */
@@ -417,6 +822,19 @@ grub_cpu_xnu_fill_devicetree (void)
   return GRUB_ERR_NONE;
 }
 
+grub_err_t
+grub_xnu_boot_resume (void)
+{
+  struct grub_relocator32_state state;
+
+  state.esp = grub_xnu_stack;
+  state.eip = grub_xnu_entry_point;
+  state.eax = grub_xnu_arg1;
+
+  return grub_relocator32_boot (grub_xnu_heap_start, grub_xnu_heap_will_be_at,
+				state);  
+}
+
 /* Boot xnu. */
 grub_err_t
 grub_xnu_boot (void)
@@ -430,10 +848,28 @@ grub_xnu_boot (void)
   grub_efi_uintn_t map_key = 0;
   grub_efi_uintn_t descriptor_size = 0;
   grub_efi_uint32_t descriptor_version = 0;
-  grub_uint64_t firstruntimeaddr, lastruntimeaddr;
+  grub_uint64_t firstruntimepage, lastruntimepage;
+  grub_uint64_t curruntimepage;
   void *devtree;
   grub_size_t devtreelen;
   int i;
+  struct grub_relocator32_state state;
+
+  err = grub_autoefi_prepare ();
+  if (err)
+    return err;
+
+  err = grub_cpu_xnu_fill_devprop ();
+  if (err)
+    return err;
+
+  err = grub_cpu_xnu_fill_devicetree ();
+  if (err)
+    return err;
+
+  err = grub_xnu_fill_devicetree ();
+  if (err)
+    return err;
 
   /* Page-align to avoid following parts to be inadvertently freed. */
   err = grub_xnu_align_heap (GRUB_XNU_PAGESIZE);
@@ -447,94 +883,7 @@ grub_xnu_boot (void)
   descriptor_size = 0;
   descriptor_version = 0;
 
-  if (grub_autoefi_get_memory_map (&memory_map_size, memory_map,
-				   &map_key, &descriptor_size,
-				   &descriptor_version) < 0)
-    return grub_errno;
-
-  memory_map = grub_xnu_heap_malloc (memory_map_size);
-  if (! memory_map)
-    return grub_errno;
-
-  if (grub_autoefi_get_memory_map (&memory_map_size, memory_map,
-				   &map_key, &descriptor_size,
-				   &descriptor_version) <= 0)
-    return grub_errno;
-  mmap_relloc_off = (grub_uint8_t *) memory_map
-    - (grub_uint8_t *) grub_xnu_heap_start;
-
-  firstruntimeaddr = (grub_uint64_t) (-1);
-  lastruntimeaddr = 0;
-  for (i = 0; (unsigned) i < memory_map_size / descriptor_size; i++)
-    {
-      grub_efi_memory_descriptor_t *curdesc = (grub_efi_memory_descriptor_t *)
-	((char *) memory_map + descriptor_size * i);
-
-      /* Some EFI implementations set physical_start to 0 which
-	 causes XNU crash. */
-      curdesc->virtual_start = curdesc->physical_start;
-
-      if (curdesc->type == GRUB_EFI_RUNTIME_SERVICES_DATA
-	  || curdesc->type == GRUB_EFI_RUNTIME_SERVICES_CODE)
-	{
-	  if (firstruntimeaddr > curdesc->physical_start)
-	    firstruntimeaddr = curdesc->physical_start;
-	  if (lastruntimeaddr < curdesc->physical_start
-	      + curdesc->num_pages * 4096)
-	    lastruntimeaddr = curdesc->physical_start
-	      + curdesc->num_pages * 4096;
-	}
-    }
-
-  /* Relocate the boot parameters to heap. */
-  bootparams_relloc = grub_xnu_heap_malloc (sizeof (*bootparams_relloc));
-  if (! bootparams_relloc)
-    return grub_errno;
-  bootparams_relloc_off = (grub_uint8_t *) bootparams_relloc
-    - (grub_uint8_t *) grub_xnu_heap_start;
-  err = grub_xnu_writetree_toheap (&devtree, &devtreelen);
-  if (err)
-    return err;
-  bootparams_relloc = (struct grub_xnu_boot_params *)
-    (bootparams_relloc_off + (grub_uint8_t *) grub_xnu_heap_start);
-
-  grub_memcpy (bootparams_relloc->cmdline, grub_xnu_cmdline,
-	       sizeof (bootparams_relloc->cmdline));
-
-  bootparams_relloc->devtree = ((char *) devtree - grub_xnu_heap_start)
-    + grub_xnu_heap_will_be_at;
-  bootparams_relloc->devtreelen = devtreelen;
-
-  bootparams_relloc->heap_start = grub_xnu_heap_will_be_at;
-  bootparams_relloc->heap_size = grub_xnu_heap_size;
-
-  bootparams_relloc->efi_mmap = grub_xnu_heap_will_be_at + mmap_relloc_off;
-  bootparams_relloc->efi_mmap_size = memory_map_size;
-  bootparams_relloc->efi_mem_desc_size = descriptor_size;
-  bootparams_relloc->efi_mem_desc_version = descriptor_version;
-
-  bootparams_relloc->efi_runtime_first_page = firstruntimeaddr
-    / GRUB_XNU_PAGESIZE;
-  bootparams_relloc->efi_runtime_npages
-    = ((lastruntimeaddr + GRUB_XNU_PAGESIZE - 1) / GRUB_XNU_PAGESIZE)
-    - (firstruntimeaddr / GRUB_XNU_PAGESIZE);
-  bootparams_relloc->efi_uintnbits = SIZEOF_OF_UINTN * 8;
-  bootparams_relloc->efi_system_table
-    = PTR_TO_UINT32 (grub_autoefi_system_table);
-
-  bootparams_relloc->verminor = GRUB_XNU_BOOTARGS_VERMINOR;
-  bootparams_relloc->vermajor = GRUB_XNU_BOOTARGS_VERMAJOR;
-
-  /* Parameters for asm helper. */
-  grub_xnu_stack = bootparams_relloc->heap_start
-    + bootparams_relloc->heap_size + GRUB_XNU_PAGESIZE;
-  grub_xnu_arg1 = bootparams_relloc_off + grub_xnu_heap_will_be_at;
-#ifndef GRUB_UTIL
-  grub_xnu_launch = (void (*) (void))
-    (grub_xnu_heap_start + grub_xnu_heap_size);
-#endif
   grub_dprintf ("xnu", "eip=%x\n", grub_xnu_entry_point);
-  grub_dprintf ("xnu", "launch=%p\n", grub_xnu_launch);
 
   const char *debug = grub_env_get ("debug");
 
@@ -544,6 +893,13 @@ grub_xnu_boot (void)
       grub_getkey ();
     }
 
+  /* Relocate the boot parameters to heap. */
+  bootparams_relloc = grub_xnu_heap_malloc (sizeof (*bootparams_relloc));
+  if (! bootparams_relloc)
+    return grub_errno;
+  bootparams_relloc_off = (grub_uint8_t *) bootparams_relloc
+    - (grub_uint8_t *) grub_xnu_heap_start;
+
   /* Set video. */
   err = grub_xnu_set_video (bootparams_relloc);
   if (err != GRUB_ERR_NONE)
@@ -560,16 +916,121 @@ grub_xnu_boot (void)
       bootparams_relloc->lfb_base = 0;
     }
 
-  grub_memcpy (grub_xnu_heap_start + grub_xnu_heap_size,
+  if (grub_autoefi_get_memory_map (&memory_map_size, memory_map,
-	       grub_xnu_launcher_start,
+				   &map_key, &descriptor_size,
-	       grub_xnu_launcher_end - grub_xnu_launcher_start);
+				   &descriptor_version) < 0)
+    return grub_errno;
 
+  /* We will do few allocations later. Reserve some space for possible
+     memory map growth.  */
+  memory_map_size += 20 * descriptor_size;
+  memory_map = grub_xnu_heap_malloc (memory_map_size);
+  if (! memory_map)
+    return grub_errno;
+  mmap_relloc_off = (grub_uint8_t *) memory_map
+    - (grub_uint8_t *) grub_xnu_heap_start;
 
-  if (! grub_autoefi_finish_boot_services ())
+  err = grub_xnu_writetree_toheap (&devtree, &devtreelen);
+  if (err)
+    return err;
+  bootparams_relloc = (struct grub_xnu_boot_params *)
+    (bootparams_relloc_off + (grub_uint8_t *) grub_xnu_heap_start);
+
+  grub_memcpy (bootparams_relloc->cmdline, grub_xnu_cmdline,
+	       sizeof (bootparams_relloc->cmdline));
+
+  bootparams_relloc->devtree
+    = ((grub_uint8_t *) devtree - (grub_uint8_t *) grub_xnu_heap_start)
+    + grub_xnu_heap_will_be_at;
+  bootparams_relloc->devtreelen = devtreelen;
+
+  memory_map = (grub_efi_memory_descriptor_t *)
+    ((grub_uint8_t *) grub_xnu_heap_start + mmap_relloc_off);
+
+  if (grub_autoefi_get_memory_map (&memory_map_size, memory_map,
+				   &map_key, &descriptor_size,
+				   &descriptor_version) <= 0)
+    return grub_errno;
+
+  bootparams_relloc->efi_system_table
+    = PTR_TO_UINT32 (grub_autoefi_system_table);
+
+  firstruntimepage = (((grub_addr_t) grub_xnu_heap_will_be_at
+		       + grub_xnu_heap_size + GRUB_XNU_PAGESIZE - 1)
+		      / GRUB_XNU_PAGESIZE) + 20;
+  curruntimepage = firstruntimepage;
+
+  for (i = 0; (unsigned) i < memory_map_size / descriptor_size; i++)
+    {
+      grub_efi_memory_descriptor_t *curdesc = (grub_efi_memory_descriptor_t *)
+	((char *) memory_map + descriptor_size * i);
+
+      curdesc->virtual_start = curdesc->physical_start;
+
+      if (curdesc->type == GRUB_EFI_RUNTIME_SERVICES_DATA
+	  || curdesc->type == GRUB_EFI_RUNTIME_SERVICES_CODE)
+	{
+	  curdesc->virtual_start = curruntimepage << 12;
+	  curruntimepage += curdesc->num_pages;
+	  if (curdesc->physical_start
+	      <= PTR_TO_UINT64 (grub_autoefi_system_table)
+	      && curdesc->physical_start + (curdesc->num_pages << 12)
+	      > PTR_TO_UINT64 (grub_autoefi_system_table))
+	    bootparams_relloc->efi_system_table
+	      = PTR_TO_UINT64 (grub_autoefi_system_table)
+	      - curdesc->physical_start + curdesc->virtual_start;
+	  if (SIZEOF_OF_UINTN == 8 && grub_xnu_is_64bit)
+	    curdesc->virtual_start |= 0xffffff8000000000ULL;
+	}
+    }
+
+  lastruntimepage = curruntimepage;
+
+  bootparams_relloc->efi_mmap = grub_xnu_heap_will_be_at + mmap_relloc_off;
+  bootparams_relloc->efi_mmap_size = memory_map_size;
+  bootparams_relloc->efi_mem_desc_size = descriptor_size;
+  bootparams_relloc->efi_mem_desc_version = descriptor_version;
+
+  bootparams_relloc->heap_start = grub_xnu_heap_will_be_at;
+  bootparams_relloc->heap_size = grub_xnu_heap_size;
+  bootparams_relloc->efi_runtime_first_page = firstruntimepage;
+
+  bootparams_relloc->efi_runtime_npages = lastruntimepage - firstruntimepage;
+  bootparams_relloc->efi_uintnbits = SIZEOF_OF_UINTN * 8;
+
+  bootparams_relloc->verminor = GRUB_XNU_BOOTARGS_VERMINOR;
+  bootparams_relloc->vermajor = GRUB_XNU_BOOTARGS_VERMAJOR;
+
+  /* Parameters for asm helper. */
+  grub_xnu_stack = bootparams_relloc->heap_start
+    + bootparams_relloc->heap_size + GRUB_XNU_PAGESIZE;
+  grub_xnu_arg1 = bootparams_relloc_off + grub_xnu_heap_will_be_at;
+
+  if (! grub_autoefi_exit_boot_services (map_key))
     return grub_error (GRUB_ERR_IO, "can't exit boot services");
 
-  grub_xnu_launch ();
+  grub_autoefi_set_virtual_address_map (memory_map_size, descriptor_size,
+					descriptor_version,memory_map);
 
-  /* Never reaches here. */
+  state.eip = grub_xnu_entry_point;
-  return 0;
+  state.eax = grub_xnu_arg1;
+  state.esp = grub_xnu_stack;
+  return grub_relocator32_boot (grub_xnu_heap_start, grub_xnu_heap_will_be_at,
+				state);
+}
+
+static grub_command_t cmd_devprop_load;
+
+void
+grub_cpu_xnu_init (void)
+{
+  cmd_devprop_load = grub_register_command ("xnu_devprop_load",
+					    grub_cmd_devprop_load,
+					    0, "Load device-properties dump.");
+}
+
+void
+grub_cpu_xnu_fini (void)
+{
+  grub_unregister_command (cmd_devprop_load);
 }

loader/i386/xnu_helper.S

@@ -1,211 +0,0 @@
-/*
- *  GRUB  --  GRand Unified Bootloader
- *  Copyright (C) 2009  Free Software Foundation, Inc.
- *
- *  GRUB is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  GRUB is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <grub/symbol.h>
-
-
-	.p2align	4	/* force 16-byte alignment */
-
-VARIABLE(grub_xnu_launcher_start)
-base:
-	cli
-
-#ifndef __x86_64__
-	/* mov imm32, %eax */
-	.byte	0xb8
-VARIABLE(grub_xnu_heap_will_be_at)
-	.long 0
-	mov %eax, %edi
-
-	/* mov imm32, %eax */
-	.byte	0xb8
-VARIABLE(grub_xnu_heap_start)
-	.long 0
-	mov %eax, %esi
-
-	/* mov imm32, %ecx */
-	.byte	0xb9
-VARIABLE(grub_xnu_heap_size)
-	.long 0
-	mov %edi, %eax
-	add %ecx, %eax
-	/* %rax now contains our starting position after relocation. */
-	/* One more page to copy: ourselves. */
-	add $0x403, %ecx
-	shr $2, %ecx
-
-	/* Forward copy.  */
-	cld
-	rep
-	movsl
-
-	mov %eax, %esi
-	add $(cont0-base), %eax
-	jmp *%eax
-cont0:
-#else
-	xorq %rax, %rax
-
-	/* mov imm32, %eax */
-	.byte	0xb8
-VARIABLE(grub_xnu_heap_will_be_at)
-	.long 0
-	mov %rax, %rdi
-
-	/* mov imm32, %rax */
-	.byte	0x48
-	.byte	0xb8
-VARIABLE(grub_xnu_heap_start)
-	.long 0
-	.long 0
-	mov %rax, %rsi
-
-	/* mov imm32, %rcx */
-	.byte	0x48
-	.byte	0xb9
-VARIABLE(grub_xnu_heap_size)
-	.long 0
-	.long 0
-	mov %rdi, %rax
-	add %rcx, %rax
-	/* %rax now contains our starting position after relocation. */
-	/* One more page to copy: ourselves. */
-	add $0x403, %rcx
-	shr $2, %rcx
-
-	/* Forward copy.  */
-	cld
-	rep
-	movsl
-
-	mov %rax, %rsi
-#ifdef APPLE_CC
-	add $(cont0-base), %eax
-#else
-	add $(cont0-base), %rax
-#endif
-	jmp *%rax
-
-cont0:
-#ifdef APPLE_CC
-	lea (cont1 - base) (%esi, 1), %eax
-	mov %eax, (jump_vector - base) (%esi, 1)
-
-	lea (gdt - base) (%esi, 1), %eax
-	mov %eax, (gdt_addr - base) (%esi, 1)
-
-	/* Switch to compatibility mode. */
-
-	lgdt (gdtdesc - base) (%esi, 1)
-
-	/* Update %cs. Thanks to David Miller for pointing this mistake out. */
-	ljmp *(jump_vector - base) (%esi,1)
-#else
-	lea (cont1 - base) (%rsi, 1), %rax
-	mov %eax, (jump_vector - base) (%rsi, 1)
-
-	lea (gdt - base) (%rsi, 1), %rax
-	mov %rax, (gdt_addr - base) (%rsi, 1)
-
-	/* Switch to compatibility mode. */
-
-	lgdt (gdtdesc - base) (%rsi, 1)
-
-	/* Update %cs. Thanks to David Miller for pointing this mistake out. */
-	ljmp *(jump_vector - base) (%rsi, 1)
-#endif
-
-cont1:
-	.code32
-
-	/* Update other registers. */
-	mov $0x18, %eax
-	mov %eax, %ds
-	mov %eax, %es
-	mov %eax, %fs
-	mov %eax, %gs
-	mov %eax, %ss
-
-	/* Disable paging. */
-	mov %cr0, %eax
-	and $0x7fffffff, %eax
-	mov %eax, %cr0
-
-	/* Disable amd64. */
-	mov $0xc0000080, %ecx
-	rdmsr
-	and $0xfffffeff, %eax
-	wrmsr
-
-	/* Turn off PAE. */
-	movl %cr4, %eax
-	and $0xffffffcf, %eax
-	mov %eax, %cr4
-
-	jmp cont2
-cont2:
-#endif
-	.code32
-
-	/* Registers on XNU boot: eip, esp and eax. */
-	/* mov imm32, %ecx */
-	.byte	0xb9
-VARIABLE (grub_xnu_entry_point)
-	.long 0
-	/* mov imm32, %eax */
-	.byte	0xb8
-VARIABLE (grub_xnu_arg1)
-	.long 0
-	/* mov imm32, %ebx */
-	.byte	0xbb
-VARIABLE (grub_xnu_stack)
-	.long 0
-
-	movl %ebx, %esp
-
-	jmp *%ecx
-
-#ifdef __x86_64__
-	/* GDT. Copied from loader/i386/linux.c. */
-	.p2align 4
-gdt:
-	/* NULL.  */
-	.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
-
-	/* Reserved.  */
-	.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
-
-	/* Code segment.  */
-	.byte 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x9A, 0xCF, 0x00
-
-	/* Data segment.  */
-	.byte 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x92, 0xCF, 0x00
-
-gdtdesc:
-	.word 31
-gdt_addr:
-	/* Filled by the code. */
-	.quad 0
-
-	.p2align 4
-jump_vector:
-	/* Jump location. Is filled by the code */
-	.long 0
-	.long 0x10
-#endif
-VARIABLE(grub_xnu_launcher_end)

loader/macho.c

@@ -30,239 +30,6 @@
 #include <grub/misc.h>
 #include <grub/mm.h>
 
-#define min(a,b) (((a) < (b)) ? (a) : (b))
-
-/* 32-bit. */
-
-int
-grub_macho_contains_macho32 (grub_macho_t macho)
-{
-  return macho->offset32 != -1;
-}
-
-static void
-grub_macho_parse32 (grub_macho_t macho)
-{
-  struct grub_macho_header32 head;
-
-  /* Is there any candidate at all? */
-  if (macho->offset32 == -1)
-    return;
-
-  /* Read header and check magic*/
-  if (grub_file_seek (macho->file, macho->offset32) == (grub_off_t) -1
-      || grub_file_read (macho->file, &head, sizeof (head))
-      != sizeof(head))
-    {
-      grub_error (GRUB_ERR_READ_ERROR, "Cannot read Mach-O header.");
-      macho->offset32 = -1;
-      return;
-    }
-  if (head.magic != GRUB_MACHO_MAGIC32)
-    {
-      grub_error (GRUB_ERR_BAD_OS, "Invalid Mach-O 32-bit header.");
-      macho->offset32 = -1;
-      return;
-    }
-
-  /* Read commands. */
-  macho->ncmds32 = head.ncmds;
-  macho->cmdsize32 = head.sizeofcmds;
-  macho->cmds32 = grub_malloc(macho->cmdsize32);
-  if (! macho->cmds32)
-    {
-      grub_error (GRUB_ERR_OUT_OF_MEMORY, "not enough memory to read commands");
-      return;
-    }
-  if (grub_file_read (macho->file, macho->cmds32,
-		      (grub_size_t) macho->cmdsize32)
-      != (grub_ssize_t) macho->cmdsize32)
-    {
-      grub_error (GRUB_ERR_READ_ERROR, "Cannot read Mach-O header.");
-      macho->offset32 = -1;
-    }
-}
-
-typedef int NESTED_FUNC_ATTR (*grub_macho_iter_hook_t)
-(grub_macho_t , struct grub_macho_cmd *,
-	       void *);
-
-static grub_err_t
-grub_macho32_cmds_iterate (grub_macho_t macho,
-			   grub_macho_iter_hook_t hook,
-			   void *hook_arg)
-{
-  grub_uint8_t *hdrs = macho->cmds32;
-  int i;
-  if (! macho->cmds32)
-    return grub_error (GRUB_ERR_BAD_OS, "Couldn't find 32-bit Mach-O");
-  for (i = 0; i < macho->ncmds32; i++)
-    {
-      struct grub_macho_cmd *hdr = (struct grub_macho_cmd *) hdrs;
-      if (hook (macho, hdr, hook_arg))
-	break;
-      hdrs += hdr->cmdsize;
-    }
-
-  return grub_errno;
-}
-
-grub_size_t
-grub_macho32_filesize (grub_macho_t macho)
-{
-  if (grub_macho_contains_macho32 (macho))
-    return macho->end32 - macho->offset32;
-  return 0;
-}
-
-grub_err_t
-grub_macho32_readfile (grub_macho_t macho, void *dest)
-{
-  grub_ssize_t read;
-  if (! grub_macho_contains_macho32 (macho))
-    return grub_error (GRUB_ERR_BAD_OS,
-		       "Couldn't read architecture-specific part");
-
-  if (grub_file_seek (macho->file, macho->offset32) == (grub_off_t) -1)
-    {
-      grub_error_push ();
-      return grub_error (GRUB_ERR_BAD_OS,
-			 "Invalid offset in program header.");
-    }
-
-  read = grub_file_read (macho->file, dest,
-			 macho->end32 - macho->offset32);
-  if (read != (grub_ssize_t) (macho->end32 - macho->offset32))
-    {
-      grub_error_push ();
-      return grub_error (GRUB_ERR_BAD_OS,
-			 "Couldn't read architecture-specific part");
-    }
-  return GRUB_ERR_NONE;
-}
-
-/* Calculate the amount of memory spanned by the segments. */
-grub_err_t
-grub_macho32_size (grub_macho_t macho, grub_addr_t *segments_start,
-		   grub_addr_t *segments_end, int flags)
-{
-  int nr_phdrs = 0;
-
-  /* Run through the program headers to calculate the total memory size we
-     should claim.  */
-  auto int NESTED_FUNC_ATTR calcsize (grub_macho_t _macho,
-				      struct grub_macho_cmd *phdr, void *_arg);
-  int NESTED_FUNC_ATTR calcsize (grub_macho_t UNUSED _macho,
-				 struct grub_macho_cmd *hdr0, void UNUSED *_arg)
-    {
-      struct grub_macho_segment32 *hdr = (struct grub_macho_segment32 *) hdr0;
-      if (hdr->cmd != GRUB_MACHO_CMD_SEGMENT32)
-	return 0;
-      if (! hdr->filesize && (flags & GRUB_MACHO_NOBSS))
-	return 0;
-
-      nr_phdrs++;
-      if (hdr->vmaddr < *segments_start)
-	*segments_start = hdr->vmaddr;
-      if (hdr->vmaddr + hdr->vmsize > *segments_end)
-	*segments_end = hdr->vmaddr + hdr->vmsize;
-      return 0;
-    }
-
-  *segments_start = (grub_uint32_t) -1;
-  *segments_end = 0;
-
-  grub_macho32_cmds_iterate (macho, calcsize, 0);
-
-  if (nr_phdrs == 0)
-    return grub_error (GRUB_ERR_BAD_OS, "No program headers present");
-
-  if (*segments_end < *segments_start)
-    /* Very bad addresses.  */
-    return grub_error (GRUB_ERR_BAD_OS, "Bad program header load addresses");
-
-  return GRUB_ERR_NONE;
-}
-
-/* Load every loadable segment into memory specified by `_load_hook'.  */
-grub_err_t
-grub_macho32_load (grub_macho_t macho, char *offset, int flags)
-{
-  grub_err_t err = 0;
-  auto int NESTED_FUNC_ATTR do_load(grub_macho_t _macho,
-			       struct grub_macho_cmd *hdr0,
-			       void UNUSED *_arg);
-  int NESTED_FUNC_ATTR do_load(grub_macho_t _macho,
-			       struct grub_macho_cmd *hdr0,
-			       void UNUSED *_arg)
-  {
-    struct grub_macho_segment32 *hdr = (struct grub_macho_segment32 *) hdr0;
-
-    if (hdr->cmd != GRUB_MACHO_CMD_SEGMENT32)
-      return 0;
-
-    if (! hdr->filesize && (flags & GRUB_MACHO_NOBSS))
-      return 0;
-    if (! hdr->vmsize)
-      return 0;
-
-    if (grub_file_seek (_macho->file, hdr->fileoff
-			+ _macho->offset32) == (grub_off_t) -1)
-      {
-	grub_error_push ();
-	grub_error (GRUB_ERR_BAD_OS,
-		    "Invalid offset in program header.");
-	return 1;
-      }
-
-    if (hdr->filesize)
-      {
-	grub_ssize_t read;
-	read = grub_file_read (_macho->file, offset + hdr->vmaddr,
-				   min (hdr->filesize, hdr->vmsize));
-	if (read != (grub_ssize_t) min (hdr->filesize, hdr->vmsize))
-	  {
-	    /* XXX How can we free memory from `load_hook'? */
-	    grub_error_push ();
-	    err=grub_error (GRUB_ERR_BAD_OS,
-			    "Couldn't read segment from file: "
-			    "wanted 0x%lx bytes; read 0x%lx bytes.",
-			    hdr->filesize, read);
-	    return 1;
-	  }
-      }
-
-    if (hdr->filesize < hdr->vmsize)
-      grub_memset (offset + hdr->vmaddr + hdr->filesize,
-		   0, hdr->vmsize - hdr->filesize);
-    return 0;
-  }
-
-  grub_macho32_cmds_iterate (macho, do_load, 0);
-
-  return err;
-}
-
-grub_uint32_t
-grub_macho32_get_entry_point (grub_macho_t macho)
-{
-  grub_uint32_t entry_point = 0;
-  auto int NESTED_FUNC_ATTR hook(grub_macho_t _macho,
-			       struct grub_macho_cmd *hdr,
-			       void UNUSED *_arg);
-  int NESTED_FUNC_ATTR hook(grub_macho_t UNUSED _macho,
-			       struct grub_macho_cmd *hdr,
-			       void UNUSED *_arg)
-  {
-    if (hdr->cmd == GRUB_MACHO_CMD_THREAD)
-      entry_point = ((struct grub_macho_thread32 *) hdr)->entry_point;
-    return 0;
-  }
-  grub_macho32_cmds_iterate (macho, hook, 0);
-  return entry_point;
-}
-
-
 grub_err_t
 grub_macho_close (grub_macho_t macho)
 {
@@ -367,8 +134,7 @@ grub_macho_file (grub_file_t file)
     }
 
   grub_macho_parse32 (macho);
-  /* FIXME: implement 64-bit.*/
+  grub_macho_parse64 (macho);
-  /*  grub_macho_parse64 (macho); */
 
   return macho;
 

loader/macho32.c

@@ -0,0 +1,18 @@
+#include <grub/cpu/macho.h>
+#include <grub/machoload.h>
+
+#define SUFFIX(x) x ## 32
+typedef struct grub_macho_header32 grub_macho_header_t;
+typedef struct grub_macho_segment32 grub_macho_segment_t;
+typedef grub_uint32_t grub_macho_addr_t;
+typedef struct grub_macho_thread32 grub_macho_thread_t;
+#define offsetXX offset32
+#define ncmdsXX ncmds32
+#define cmdsizeXX cmdsize32
+#define cmdsXX cmds32
+#define endXX end32
+#define XX "32"
+#define GRUB_MACHO_MAGIC GRUB_MACHO_MAGIC32
+#define GRUB_MACHO_CMD_SEGMENT GRUB_MACHO_CMD_SEGMENT32
+#include "machoXX.c"
+

loader/macho64.c

@@ -0,0 +1,18 @@
+#include <grub/cpu/macho.h>
+#include <grub/machoload.h>
+
+#define SUFFIX(x) x ## 64
+typedef struct grub_macho_header64 grub_macho_header_t;
+typedef struct grub_macho_segment64 grub_macho_segment_t;
+typedef grub_uint64_t grub_macho_addr_t;
+typedef struct grub_macho_thread64 grub_macho_thread_t;
+#define offsetXX offset64
+#define ncmdsXX ncmds64
+#define cmdsizeXX cmdsize64
+#define cmdsXX cmds64
+#define endXX end64
+#define XX "64"
+#define GRUB_MACHO_MAGIC GRUB_MACHO_MAGIC64
+#define GRUB_MACHO_CMD_SEGMENT GRUB_MACHO_CMD_SEGMENT64
+#include "machoXX.c"
+

loader/machoXX.c

@@ -0,0 +1,238 @@
+
+#include <grub/file.h>
+#include <grub/mm.h>
+#include <grub/misc.h>
+
+#define min(a,b) (((a) < (b)) ? (a) : (b))
+
+int
+SUFFIX (grub_macho_contains_macho) (grub_macho_t macho)
+{
+  return macho->offsetXX != -1;
+}
+
+void
+SUFFIX (grub_macho_parse) (grub_macho_t macho)
+{
+  grub_macho_header_t head;
+
+  /* Is there any candidate at all? */
+  if (macho->offsetXX == -1)
+    return;
+
+  /* Read header and check magic*/
+  if (grub_file_seek (macho->file, macho->offsetXX) == (grub_off_t) -1
+      || grub_file_read (macho->file, &head, sizeof (head))
+      != sizeof(head))
+    {
+      grub_error (GRUB_ERR_READ_ERROR, "Cannot read Mach-O header.");
+      macho->offsetXX = -1;
+      return;
+    }
+  if (head.magic != GRUB_MACHO_MAGIC)
+    {
+      grub_error (GRUB_ERR_BAD_OS, "Invalid Mach-O " XX "-bit header.");
+      macho->offsetXX = -1;
+      return;
+    }
+
+  /* Read commands. */
+  macho->ncmdsXX = head.ncmds;
+  macho->cmdsizeXX = head.sizeofcmds;
+  macho->cmdsXX = grub_malloc(macho->cmdsizeXX);
+  if (! macho->cmdsXX)
+    {
+      grub_error (GRUB_ERR_OUT_OF_MEMORY, "not enough memory to read commands");
+      return;
+    }
+  if (grub_file_read (macho->file, macho->cmdsXX,
+		      (grub_size_t) macho->cmdsizeXX)
+      != (grub_ssize_t) macho->cmdsizeXX)
+    {
+      grub_error (GRUB_ERR_READ_ERROR, "Cannot read Mach-O header.");
+      macho->offsetXX = -1;
+    }
+}
+
+typedef int NESTED_FUNC_ATTR (*grub_macho_iter_hook_t)
+(grub_macho_t , struct grub_macho_cmd *,
+	       void *);
+
+static grub_err_t
+grub_macho_cmds_iterate (grub_macho_t macho,
+			 grub_macho_iter_hook_t hook,
+			 void *hook_arg)
+{
+  grub_uint8_t *hdrs = macho->cmdsXX;
+  int i;
+  if (! macho->cmdsXX)
+    return grub_error (GRUB_ERR_BAD_OS, "Couldn't find " XX "-bit Mach-O");
+  for (i = 0; i < macho->ncmdsXX; i++)
+    {
+      struct grub_macho_cmd *hdr = (struct grub_macho_cmd *) hdrs;
+      if (hook (macho, hdr, hook_arg))
+	break;
+      hdrs += hdr->cmdsize;
+    }
+
+  return grub_errno;
+}
+
+grub_size_t
+SUFFIX (grub_macho_filesize) (grub_macho_t macho)
+{
+  if (SUFFIX (grub_macho_contains_macho) (macho))
+    return macho->endXX - macho->offsetXX;
+  return 0;
+}
+
+grub_err_t
+SUFFIX (grub_macho_readfile) (grub_macho_t macho, void *dest)
+{
+  grub_ssize_t read;
+  if (! SUFFIX (grub_macho_contains_macho) (macho))
+    return grub_error (GRUB_ERR_BAD_OS,
+		       "Couldn't read architecture-specific part");
+
+  if (grub_file_seek (macho->file, macho->offsetXX) == (grub_off_t) -1)
+    {
+      grub_error_push ();
+      return grub_error (GRUB_ERR_BAD_OS,
+			 "Invalid offset in program header.");
+    }
+
+  read = grub_file_read (macho->file, dest,
+			 macho->endXX - macho->offsetXX);
+  if (read != (grub_ssize_t) (macho->endXX - macho->offsetXX))
+    {
+      grub_error_push ();
+      return grub_error (GRUB_ERR_BAD_OS,
+			 "Couldn't read architecture-specific part");
+    }
+  return GRUB_ERR_NONE;
+}
+
+/* Calculate the amount of memory spanned by the segments. */
+grub_err_t
+SUFFIX (grub_macho_size) (grub_macho_t macho, grub_macho_addr_t *segments_start,
+			  grub_macho_addr_t *segments_end, int flags)
+{
+  int nr_phdrs = 0;
+
+  /* Run through the program headers to calculate the total memory size we
+     should claim.  */
+  auto int NESTED_FUNC_ATTR calcsize (grub_macho_t _macho,
+				      struct grub_macho_cmd *phdr, void *_arg);
+  int NESTED_FUNC_ATTR calcsize (grub_macho_t UNUSED _macho,
+				 struct grub_macho_cmd *hdr0, void UNUSED *_arg)
+    {
+      grub_macho_segment_t *hdr = (grub_macho_segment_t *) hdr0;
+      if (hdr->cmd != GRUB_MACHO_CMD_SEGMENT)
+	return 0;
+
+      if (! hdr->vmsize)
+	return 0;
+
+      if (! hdr->filesize && (flags & GRUB_MACHO_NOBSS))
+	return 0;
+
+      nr_phdrs++;
+      if (hdr->vmaddr < *segments_start)
+	*segments_start = hdr->vmaddr;
+      if (hdr->vmaddr + hdr->vmsize > *segments_end)
+	*segments_end = hdr->vmaddr + hdr->vmsize;
+      return 0;
+    }
+
+  *segments_start = (grub_macho_addr_t) -1;
+  *segments_end = 0;
+
+  grub_macho_cmds_iterate (macho, calcsize, 0);
+
+  if (nr_phdrs == 0)
+    return grub_error (GRUB_ERR_BAD_OS, "No program headers present");
+
+  if (*segments_end < *segments_start)
+    /* Very bad addresses.  */
+    return grub_error (GRUB_ERR_BAD_OS, "Bad program header load addresses");
+
+  return GRUB_ERR_NONE;
+}
+
+/* Load every loadable segment into memory specified by `_load_hook'.  */
+grub_err_t
+SUFFIX (grub_macho_load) (grub_macho_t macho, char *offset, int flags)
+{
+  grub_err_t err = 0;
+  auto int NESTED_FUNC_ATTR do_load(grub_macho_t _macho,
+			       struct grub_macho_cmd *hdr0,
+			       void UNUSED *_arg);
+  int NESTED_FUNC_ATTR do_load(grub_macho_t _macho,
+			       struct grub_macho_cmd *hdr0,
+			       void UNUSED *_arg)
+  {
+    grub_macho_segment_t *hdr = (grub_macho_segment_t *) hdr0;
+
+    if (hdr->cmd != GRUB_MACHO_CMD_SEGMENT)
+      return 0;
+
+    if (! hdr->filesize && (flags & GRUB_MACHO_NOBSS))
+      return 0;
+    if (! hdr->vmsize)
+      return 0;
+
+    if (grub_file_seek (_macho->file, hdr->fileoff
+			+ _macho->offsetXX) == (grub_off_t) -1)
+      {
+	grub_error_push ();
+	grub_error (GRUB_ERR_BAD_OS,
+		    "Invalid offset in program header.");
+	return 1;
+      }
+
+    if (hdr->filesize)
+      {
+	grub_ssize_t read;
+	read = grub_file_read (_macho->file, offset + hdr->vmaddr,
+				   min (hdr->filesize, hdr->vmsize));
+	if (read != (grub_ssize_t) min (hdr->filesize, hdr->vmsize))
+	  {
+	    /* XXX How can we free memory from `load_hook'? */
+	    grub_error_push ();
+	    err=grub_error (GRUB_ERR_BAD_OS,
+			    "Couldn't read segment from file: "
+			    "wanted 0x%lx bytes; read 0x%lx bytes.",
+			    hdr->filesize, read);
+	    return 1;
+	  }
+      }
+
+    if (hdr->filesize < hdr->vmsize)
+      grub_memset (offset + hdr->vmaddr + hdr->filesize,
+		   0, hdr->vmsize - hdr->filesize);
+    return 0;
+  }
+
+  grub_macho_cmds_iterate (macho, do_load, 0);
+
+  return err;
+}
+
+grub_macho_addr_t
+SUFFIX (grub_macho_get_entry_point) (grub_macho_t macho)
+{
+  grub_macho_addr_t entry_point = 0;
+  auto int NESTED_FUNC_ATTR hook(grub_macho_t _macho,
+			       struct grub_macho_cmd *hdr,
+			       void UNUSED *_arg);
+  int NESTED_FUNC_ATTR hook(grub_macho_t UNUSED _macho,
+			       struct grub_macho_cmd *hdr,
+			       void UNUSED *_arg)
+  {
+    if (hdr->cmd == GRUB_MACHO_CMD_THREAD)
+      entry_point = ((grub_macho_thread_t *) hdr)->entry_point;
+    return 0;
+  }
+  grub_macho_cmds_iterate (macho, hook, 0);
+  return entry_point;
+}

loader/xnu.c

@@ -31,10 +31,15 @@
 #include <grub/gzio.h>
 #include <grub/command.h>
 #include <grub/misc.h>
+#include <grub/env.h>
 
 struct grub_xnu_devtree_key *grub_xnu_devtree_root = 0;
 static int driverspackagenum = 0;
 static int driversnum = 0;
+int grub_xnu_is_64bit = 0;
+
+void *grub_xnu_heap_start = 0;
+grub_size_t grub_xnu_heap_size = 0;
 
 /* Allocate heap by 32MB-blocks. */
 #define GRUB_XNU_HEAP_ALLOC_BLOCK 0x2000000
@@ -46,12 +51,6 @@ void *
 grub_xnu_heap_malloc (int size)
 {
   void *val;
-
-#if 0
-  /* This way booting is faster but less reliable.
-     Once we have advanced mm second way will be as fast as this one. */
-  val = grub_xnu_heap_start = (char *) 0x100000;
-#else
   int oldblknum, newblknum;
 
   /* The page after the heap is used for stack. Ensure it's usable. */
@@ -63,25 +62,21 @@ grub_xnu_heap_malloc (int size)
   newblknum = (grub_xnu_heap_size + size + GRUB_XNU_PAGESIZE
 	       + GRUB_XNU_HEAP_ALLOC_BLOCK - 1) / GRUB_XNU_HEAP_ALLOC_BLOCK;
   if (oldblknum != newblknum)
+    {
       /* FIXME: instruct realloc to allocate at 1MB if possible once
 	 advanced mm is ready. */
-    val = grub_realloc (grub_xnu_heap_start,
+      grub_xnu_heap_start
-			newblknum * GRUB_XNU_HEAP_ALLOC_BLOCK);
+	= XNU_RELOCATOR (realloc) (grub_xnu_heap_start,
-  else
+				   newblknum 
-    val = grub_xnu_heap_start;
+				   * GRUB_XNU_HEAP_ALLOC_BLOCK);
-  if (! val)
+      if (!grub_xnu_heap_start)
-    {
+	return NULL;
-      grub_error (GRUB_ERR_OUT_OF_MEMORY,
-		  "not enough space on xnu memory heap");
-      return 0;
     }
-  grub_xnu_heap_start = val;
-#endif
 
-  val = (char *) grub_xnu_heap_start + grub_xnu_heap_size;
+  val = (grub_uint8_t *) grub_xnu_heap_start + grub_xnu_heap_size;
   grub_xnu_heap_size += size;
   grub_dprintf ("xnu", "val=%p\n", val);
-  return (char *) val;
+  return val;
 }
 
 /* Make sure next block of the heap will be aligned.
@@ -251,7 +246,7 @@ grub_xnu_writetree_toheap (void **start, grub_size_t *size)
 				 - *size % GRUB_XNU_PAGESIZE);
 
   /* Put real data in the dummy. */
-  extdesc->addr = (char *) *start - grub_xnu_heap_start
+  extdesc->addr = (grub_uint8_t *) *start - (grub_uint8_t *) grub_xnu_heap_start
     + grub_xnu_heap_will_be_at;
   extdesc->size = (grub_uint32_t) *size;
 
@@ -333,6 +328,8 @@ grub_xnu_create_value (struct grub_xnu_devtree_key **parent, char *name)
 static grub_err_t
 grub_xnu_unload (void)
 {
+  grub_cpu_xnu_unload ();
+
   grub_xnu_free_devtree (grub_xnu_devtree_root);
   grub_xnu_devtree_root = 0;
 
@@ -352,7 +349,7 @@ grub_cmd_xnu_kernel (grub_command_t cmd __attribute__ ((unused)),
 {
   grub_err_t err;
   grub_macho_t macho;
-  grub_addr_t startcode, endcode;
+  grub_uint32_t startcode, endcode;
   int i;
   char *ptr, *loadaddr;
 
@@ -368,10 +365,10 @@ grub_cmd_xnu_kernel (grub_command_t cmd __attribute__ ((unused)),
     {
       grub_macho_close (macho);
       return grub_error (GRUB_ERR_BAD_OS,
-			 "Kernel doesn't contain suitable architecture");
+			 "Kernel doesn't contain suitable 32-bit architecture");
     }
 
-  err = grub_macho32_size (macho, &startcode, &endcode, GRUB_MACHO_NOBSS);
+  err = grub_macho_size32 (macho, &startcode, &endcode, GRUB_MACHO_NOBSS);
   if (err)
     {
       grub_macho_close (macho);
@@ -394,7 +391,7 @@ grub_cmd_xnu_kernel (grub_command_t cmd __attribute__ ((unused)),
     }
 
   /* Load kernel. */
-  err = grub_macho32_load (macho, loadaddr - startcode, GRUB_MACHO_NOBSS);
+  err = grub_macho_load32 (macho, loadaddr - startcode, GRUB_MACHO_NOBSS);
   if (err)
     {
       grub_macho_close (macho);
@@ -402,7 +399,7 @@ grub_cmd_xnu_kernel (grub_command_t cmd __attribute__ ((unused)),
       return err;
     }
 
-  grub_xnu_entry_point = grub_macho32_get_entry_point (macho);
+  grub_xnu_entry_point = grub_macho_get_entry_point32 (macho);
   if (! grub_xnu_entry_point)
     {
       grub_macho_close (macho);
@@ -436,13 +433,112 @@ grub_cmd_xnu_kernel (grub_command_t cmd __attribute__ ((unused)),
   if (ptr != grub_xnu_cmdline)
     *(ptr - 1) = 0;
 
-  err = grub_cpu_xnu_fill_devicetree ();
+  grub_loader_set (grub_xnu_boot, grub_xnu_unload, 0);
+
+  grub_xnu_lock ();
+  grub_xnu_is_64bit = 0;
+
+  return 0;
+}
+
+static grub_err_t
+grub_cmd_xnu_kernel64 (grub_command_t cmd __attribute__ ((unused)),
+		       int argc, char *args[])
+{
+  grub_err_t err;
+  grub_macho_t macho;
+  grub_uint64_t startcode, endcode;
+  int i;
+  char *ptr, *loadaddr;
+
+  if (argc < 1)
+    return grub_error (GRUB_ERR_BAD_ARGUMENT, "file name required");
+
+  grub_xnu_unload ();
+
+  macho = grub_macho_open (args[0]);
+  if (! macho)
+    return grub_errno;
+  if (! grub_macho_contains_macho64 (macho))
+    {
+      grub_macho_close (macho);
+      return grub_error (GRUB_ERR_BAD_OS,
+			 "Kernel doesn't contain suitable 64-bit architecture");
+    }
+
+  err = grub_macho_size64 (macho, &startcode, &endcode, GRUB_MACHO_NOBSS);
   if (err)
+    {
+      grub_macho_close (macho);
+      grub_xnu_unload ();
       return err;
+    }
+
+  startcode &= 0x0fffffff;
+  endcode &= 0x0fffffff;
+
+  grub_dprintf ("xnu", "endcode = %lx, startcode = %lx\n",
+		(unsigned long) endcode, (unsigned long) startcode);
+
+  loadaddr = grub_xnu_heap_malloc (endcode - startcode);
+  grub_xnu_heap_will_be_at = startcode;
+
+  if (! loadaddr)
+    {
+      grub_macho_close (macho);
+      grub_xnu_unload ();
+      return grub_error (GRUB_ERR_OUT_OF_MEMORY,
+			 "not enough memory to load kernel");
+    }
+
+  /* Load kernel. */
+  err = grub_macho_load64 (macho, loadaddr - startcode, GRUB_MACHO_NOBSS);
+  if (err)
+    {
+      grub_macho_close (macho);
+      grub_xnu_unload ();
+      return err;
+    }
+
+  grub_xnu_entry_point = grub_macho_get_entry_point64 (macho) & 0x0fffffff;
+  if (! grub_xnu_entry_point)
+    {
+      grub_macho_close (macho);
+      grub_xnu_unload ();
+      return grub_error (GRUB_ERR_BAD_OS, "couldn't find entry point");
+    }
+
+  grub_macho_close (macho);
+
+  err = grub_xnu_align_heap (GRUB_XNU_PAGESIZE);
+  if (err)
+    {
+      grub_xnu_unload ();
+      return err;
+    }
+
+  /* Copy parameters to kernel command line. */
+  ptr = grub_xnu_cmdline;
+  for (i = 1; i < argc; i++)
+    {
+      if (ptr + grub_strlen (args[i]) + 1
+	  >= grub_xnu_cmdline + sizeof (grub_xnu_cmdline))
+	break;
+      grub_memcpy (ptr, args[i], grub_strlen (args[i]));
+      ptr += grub_strlen (args[i]);
+      *ptr = ' ';
+      ptr++;
+    }
+
+  /* Replace last space by '\0'. */
+  if (ptr != grub_xnu_cmdline)
+    *(ptr - 1) = 0;
 
   grub_loader_set (grub_xnu_boot, grub_xnu_unload, 0);
 
   grub_xnu_lock ();
+  grub_xnu_is_64bit = 1;
+
   return 0;
 }
 
@@ -494,6 +590,34 @@ grub_xnu_register_memory (char *prefix, int *suffix,
   return GRUB_ERR_NONE;
 }
 
+static inline char *
+get_name_ptr (char *name)
+{
+  char *p = name, *p2;
+  /* Skip Info.plist.  */
+  p2 = grub_strrchr (p, '/');
+  if (!p2)
+    return name;
+  if (p2 == name)
+    return name + 1;
+  p = p2 - 1;
+
+  p2 = grub_strrchr (p, '/');
+  if (!p2)
+    return name;
+  if (p2 == name)
+    return name + 1;
+  if (grub_memcmp (p2, "/Contents/", sizeof ("/Contents/") - 1) != 0)
+    return p2 + 1;
+
+  p = p2 - 1;
+
+  p2 = grub_strrchr (p, '/');
+  if (!p2)
+    return name;
+  return p2 + 1;
+}
+
 /* Load .kext. */
 static grub_err_t
 grub_xnu_load_driver (char *infoplistname, grub_file_t binaryfile)
@@ -503,8 +627,20 @@ grub_xnu_load_driver (char *infoplistname, grub_file_t binaryfile)
   grub_file_t infoplist;
   struct grub_xnu_extheader *exthead;
   int neededspace = sizeof (*exthead);
-  char *buf;
+  grub_uint8_t *buf;
   grub_size_t infoplistsize = 0, machosize = 0;
+  char *name, *nameend;
+  int namelen;
+
+  name = get_name_ptr (infoplistname);
+  nameend = grub_strchr (name, '/');
+
+  if (nameend)
+    namelen = nameend - name;
+  else
+    namelen = grub_strlen (name);
+
+  neededspace += namelen + 1;
 
   if (! grub_xnu_heap_size)
     return grub_error (GRUB_ERR_BAD_OS, "no xnu kernel loaded");
@@ -520,7 +656,10 @@ grub_xnu_load_driver (char *infoplistname, grub_file_t binaryfile)
 	  return grub_error (GRUB_ERR_BAD_OS,
 			     "Extension doesn't contain suitable architecture");
 	}
-      machosize = grub_macho32_filesize (macho);
+      if (grub_xnu_is_64bit)
+	machosize = grub_macho_filesize64 (macho);
+      else
+	machosize = grub_macho_filesize32 (macho);
       neededspace += machosize;
     }
   else
@@ -552,10 +691,14 @@ grub_xnu_load_driver (char *infoplistname, grub_file_t binaryfile)
   /* Load the binary. */
   if (macho)
     {
-      exthead->binaryaddr = (buf - grub_xnu_heap_start)
+      exthead->binaryaddr = (buf - (grub_uint8_t *) grub_xnu_heap_start)
 	+ grub_xnu_heap_will_be_at;
       exthead->binarysize = machosize;
-      if ((err = grub_macho32_readfile (macho, buf)))
+      if (grub_xnu_is_64bit)
+	err = grub_macho_readfile64 (macho, buf);
+      else
+	err = grub_macho_readfile32 (macho, buf);
+      if (err)
 	{
 	  grub_macho_close (macho);
 	  return err;
@@ -568,7 +711,7 @@ grub_xnu_load_driver (char *infoplistname, grub_file_t binaryfile)
   /* Load the plist. */
   if (infoplist)
     {
-      exthead->infoplistaddr = (buf - grub_xnu_heap_start)
+      exthead->infoplistaddr = (buf - (grub_uint8_t *) grub_xnu_heap_start)
 	+ grub_xnu_heap_will_be_at;
       exthead->infoplistsize = infoplistsize + 1;
       if (grub_file_read (infoplist, buf, infoplistsize)
@@ -581,9 +724,17 @@ grub_xnu_load_driver (char *infoplistname, grub_file_t binaryfile)
 	}
       grub_file_close (infoplist);
       buf[infoplistsize] = 0;
+      buf += infoplistsize + 1;
     }
   grub_errno = GRUB_ERR_NONE;
 
+  exthead->nameaddr = (buf - (grub_uint8_t *) grub_xnu_heap_start)
+    + grub_xnu_heap_will_be_at;
+  exthead->namesize = namelen + 1;
+  grub_memcpy (buf, name, namelen);
+  buf[namelen] = 0;
+  buf += namelen + 1;
+
   /* Announce to kernel */
   return grub_xnu_register_memory ("Driver-", &driversnum, exthead,
 				   neededspace);
@@ -648,7 +799,13 @@ grub_cmd_xnu_mkext (grub_command_t cmd __attribute__ ((unused)),
 	}
       for (i = 0; i < narchs; i++)
 	{
-	  if (GRUB_MACHO_CPUTYPE_IS_HOST32
+	  if (!grub_xnu_is_64bit && GRUB_MACHO_CPUTYPE_IS_HOST32
+	      (grub_be_to_cpu32 (archs[i].cputype)))
+	    {
+	      readoff = grub_be_to_cpu32 (archs[i].offset);
+	      readlen = grub_be_to_cpu32 (archs[i].size);
+	    }
+	  if (grub_xnu_is_64bit && GRUB_MACHO_CPUTYPE_IS_HOST64
 	      (grub_be_to_cpu32 (archs[i].cputype)))
 	    {
 	      readoff = grub_be_to_cpu32 (archs[i].offset);
@@ -739,135 +896,6 @@ grub_cmd_xnu_ramdisk (grub_command_t cmd __attribute__ ((unused)),
   return grub_xnu_register_memory ("RAMDisk", 0, loadto, size);
 }
 
-/* Parse a devtree file. It uses the following format:
-   valuename:valuedata;
-   keyname{
-     contents
-   }
-   keyname, valuename and valuedata are in hex.
- */
-static char *
-grub_xnu_parse_devtree (struct grub_xnu_devtree_key **parent,
-			char *start, char *end)
-{
-  char *ptr, *ptr2;
-  char *name, *data;
-  int namelen, datalen, i;
-  for (ptr = start; ptr && ptr < end; )
-    {
-      if (grub_isspace (*ptr))
-	{
-	  ptr++;
-	  continue;
-	}
-      if (*ptr == '}')
-	return ptr + 1;
-      namelen = 0;
-
-      /* Parse the name. */
-      for (ptr2 = ptr; ptr2 < end && (grub_isspace (*ptr2)
-				      || (*ptr2 >= '0' && *ptr2 <= '9')
-				      || (*ptr2 >= 'a' && *ptr2 <= 'f')
-				      || (*ptr2 >= 'A' && *ptr2 <= 'F'));
-	   ptr2++)
-	if (! grub_isspace (*ptr2))
-	  namelen++;
-      if (ptr2 == end)
-	return 0;
-      namelen /= 2;
-      name = grub_malloc (namelen + 1);
-      if (!name)
-	return 0;
-      for (i = 0; i < 2 * namelen; i++)
-	{
-	  int hex = 0;
-	  while (grub_isspace (*ptr))
-	    ptr++;
-	  if (*ptr >= '0' && *ptr <= '9')
-	    hex = *ptr - '0';
-	  if (*ptr >= 'a' && *ptr <= 'f')
-	    hex = *ptr - 'a' + 10;
-	  if (*ptr >= 'A' && *ptr <= 'F')
-	    hex = *ptr - 'A' + 10;
-
-	  if (i % 2 == 0)
-	    name[i / 2] = hex << 4;
-	  else
-	    name[i / 2] |= hex;
-	  ptr++;
-	}
-      name [namelen] = 0;
-      while (grub_isspace (*ptr))
-	ptr++;
-
-      /* If it describes a key recursively invoke the function. */
-      if (*ptr == '{')
-	{
-	  struct grub_xnu_devtree_key *newkey
-	    = grub_xnu_create_key (parent, name);
-	  grub_free (name);
-	  if (! newkey)
-	    return 0;
-	  ptr = grub_xnu_parse_devtree (&(newkey->first_child), ptr + 1, end);
-	  continue;
-	}
-
-      /* Parse the data. */
-      if (*ptr != ':')
-	return 0;
-      ptr++;
-      datalen = 0;
-      for (ptr2 = ptr; ptr2 < end && (grub_isspace (*ptr2)
-				      || (*ptr2 >= '0' && *ptr2 <= '9')
-				      || (*ptr2 >= 'a' && *ptr2 <= 'f')
-				      || (*ptr2 >= 'A' && *ptr2 <= 'F'));
-	   ptr2++)
-	if (! grub_isspace (*ptr2))
-	  datalen++;
-      if (ptr2 == end)
-	return 0;
-      datalen /= 2;
-      data = grub_malloc (datalen);
-      if (! data)
-	return 0;
-      for (i = 0; i < 2 * datalen; i++)
-	{
-	  int hex = 0;
-	  while (grub_isspace (*ptr))
-	    ptr++;
-	  if (*ptr >= '0' && *ptr <= '9')
-	    hex = *ptr - '0';
-	  if (*ptr >= 'a' && *ptr <= 'f')
-	    hex = *ptr - 'a' + 10;
-	  if (*ptr >= 'A' && *ptr <= 'F')
-	    hex = *ptr - 'A' + 10;
-
-	  if (i % 2 == 0)
-	    data[i / 2] = hex << 4;
-	  else
-	    data[i / 2] |= hex;
-	  ptr++;
-	}
-      while (ptr < end && grub_isspace (*ptr))
-	ptr++;
-      {
-	struct grub_xnu_devtree_key *newkey
-	  = grub_xnu_create_value (parent, name);
-	grub_free (name);
-	if (! newkey)
-	  return 0;
-	newkey->datasize = datalen;
-	newkey->data = data;
-      }
-      if (*ptr != ';')
-	return 0;
-      ptr++;
-    }
-  if (ptr >= end && *parent != grub_xnu_devtree_root)
-    return 0;
-  return ptr;
-}
-
 /* Returns true if the kext should be loaded according to plist
    and osbundlereq. Also fill BINNAME. */
 static int
@@ -1164,53 +1192,6 @@ grub_xnu_load_kext_from_dir (char *dirname, char *osbundlerequired,
   return GRUB_ERR_NONE;
 }
 
-/* Load devtree file. */
-static grub_err_t
-grub_cmd_xnu_devtree (grub_command_t cmd __attribute__ ((unused)),
-		      int argc, char *args[])
-{
-  grub_file_t file;
-  char *data, *endret;
-  grub_size_t datalen;
-
-  if (argc != 1)
-    return grub_error (GRUB_ERR_BAD_ARGUMENT, "Filename required");
-
-  if (! grub_xnu_heap_size)
-    return grub_error (GRUB_ERR_BAD_OS, "no xnu kernel loaded");
-
-  /* Load the file. */
-  file = grub_gzfile_open (args[0], 1);
-  if (! file)
-    return grub_error (GRUB_ERR_FILE_NOT_FOUND, "Couldn't load device tree");
-  datalen = grub_file_size (file);
-  data = grub_malloc (datalen + 1);
-  if (! data)
-    {
-      grub_file_close (file);
-      return grub_error (GRUB_ERR_OUT_OF_MEMORY,
-			 "Could load device tree into memory");
-    }
-  if (grub_file_read (file, data, datalen) != (grub_ssize_t) datalen)
-    {
-      grub_file_close (file);
-      grub_free (data);
-      grub_error_push ();
-      return grub_error (GRUB_ERR_BAD_OS, "Couldn't read file %s", args[0]);
-    }
-  grub_file_close (file);
-  data[datalen] = 0;
-
-  /* Parse the file. */
-  endret = grub_xnu_parse_devtree (&grub_xnu_devtree_root,
-				   data, data + datalen);
-  grub_free (data);
-
-  if (! endret)
-    return grub_error (GRUB_ERR_BAD_OS, "Couldn't parse devtree");
-
-  return GRUB_ERR_NONE;
-}
 
 static int locked=0;
 static grub_dl_t my_mod;
@@ -1271,6 +1252,107 @@ grub_cmd_xnu_kextdir (grub_command_t cmd __attribute__ ((unused)),
     }
 }
 
+static inline int
+hextoval (char c)
+{
+  if (c >= '0' && c <= '9')
+    return c - '0';
+  if (c >= 'a' && c <= 'z')
+    return c - 'a' + 10;
+  if (c >= 'A' && c <= 'Z')
+    return c - 'A' + 10;
+  return 0;
+}
+
+static inline void
+unescape (char *name, char *curdot, char *nextdot, int *len)
+{
+  char *ptr, *dptr;
+  dptr = name;
+  for (ptr = curdot; ptr < nextdot;)
+    if (ptr + 2 < nextdot && *ptr == '%')
+      {
+	*dptr = (hextoval (ptr[1]) << 4) | (hextoval (ptr[2]));
+	ptr += 3;
+	dptr++;
+      }
+    else
+      {
+	*dptr = *ptr;
+	ptr++;
+	dptr++;
+      }
+  *len = dptr - name;
+}
+
+grub_err_t
+grub_xnu_fill_devicetree (void)
+{
+  auto int iterate_env (struct grub_env_var *var);
+  int iterate_env (struct grub_env_var *var)
+  {
+    char *nextdot = 0, *curdot;
+    struct grub_xnu_devtree_key **curkey = &grub_xnu_devtree_root;
+    struct grub_xnu_devtree_key *curvalue;
+    char *name = 0, *data;
+    int len;
+
+    if (grub_memcmp (var->name, "XNU.DeviceTree.",
+		     sizeof ("XNU.DeviceTree.") - 1) != 0)
+      return 0;
+
+    curdot = var->name + sizeof ("XNU.DeviceTree.") - 1;
+    nextdot = grub_strchr (curdot, '.');
+    if (nextdot)
+      nextdot++;
+    while (nextdot)
+      {
+	name = grub_realloc (name, nextdot - curdot + 1);
+
+	if (!name)
+	  return 1;
+
+	unescape (name, curdot, nextdot, &len);
+	name[len - 1] = 0;
+
+	curkey = &(grub_xnu_create_key (curkey, name)->first_child);
+
+	curdot = nextdot;
+	nextdot = grub_strchr (nextdot, '.');
+	if (nextdot)
+	  nextdot++;
+      }
+
+    nextdot = curdot + grub_strlen (curdot) + 1;
+
+    name = grub_realloc (name, nextdot - curdot + 1);
+    
+    if (!name)
+      return 1;
+    
+    unescape (name, curdot, nextdot, &len);
+    name[len] = 0;
+
+    curvalue = grub_xnu_create_value (curkey, name);
+    grub_free (name);
+    
+    data = grub_malloc (grub_strlen (var->value) + 1);
+    if (!data)
+      return 1;
+    
+    unescape (data, var->value, var->value + grub_strlen (var->value),
+	      &len);
+    curvalue->datasize = len;
+    curvalue->data = data;
+
+    return 0;
+  }
+
+  grub_env_iterate (iterate_env);
+
+  return grub_errno;
+}
+
 struct grub_video_bitmap *grub_xnu_bitmap = 0;
 
 static grub_err_t
@@ -1316,13 +1398,15 @@ grub_xnu_unlock ()
   locked = 0;
 }
 
-static grub_command_t cmd_kernel, cmd_mkext, cmd_kext, cmd_kextdir,
+static grub_command_t cmd_kernel64, cmd_kernel, cmd_mkext, cmd_kext;
-  cmd_ramdisk, cmd_devtree, cmd_resume, cmd_splash;
+static grub_command_t cmd_kextdir, cmd_ramdisk, cmd_resume, cmd_splash;
 
 GRUB_MOD_INIT(xnu)
 {
   cmd_kernel = grub_register_command ("xnu_kernel", grub_cmd_xnu_kernel, 0,
 				      "load a xnu kernel");
+  cmd_kernel64 = grub_register_command ("xnu_kernel64", grub_cmd_xnu_kernel64,
+					0, "load a 64-bit xnu kernel");
   cmd_mkext = grub_register_command ("xnu_mkext", grub_cmd_xnu_mkext, 0,
 				     "Load XNU extension package.");
   cmd_kext = grub_register_command ("xnu_kext", grub_cmd_xnu_kext, 0,
@@ -1333,8 +1417,6 @@ GRUB_MOD_INIT(xnu)
   cmd_ramdisk = grub_register_command ("xnu_ramdisk", grub_cmd_xnu_ramdisk, 0,
 				       "Load XNU ramdisk. "
 				       "It will be seen as md0");
-  cmd_devtree = grub_register_command ("xnu_devtree", grub_cmd_xnu_devtree, 0,
-				       "Load XNU devtree");
   cmd_splash = grub_register_command ("xnu_splash", grub_cmd_xnu_splash, 0,
 				      "Load a splash image for XNU");
 
@@ -1342,7 +1424,10 @@ GRUB_MOD_INIT(xnu)
   cmd_resume = grub_register_command ("xnu_resume", grub_cmd_xnu_resume,
 				      0, "Load XNU hibernate image.");
 #endif
-  my_mod=mod;
+
+  grub_cpu_xnu_init ();
+
+  my_mod = mod;
 }
 
 GRUB_MOD_FINI(xnu)
@@ -1353,8 +1438,10 @@ GRUB_MOD_FINI(xnu)
   grub_unregister_command (cmd_mkext);
   grub_unregister_command (cmd_kext);
   grub_unregister_command (cmd_kextdir);
-  grub_unregister_command (cmd_devtree);
   grub_unregister_command (cmd_ramdisk);
   grub_unregister_command (cmd_kernel);
+  grub_unregister_command (cmd_kernel64);
   grub_unregister_command (cmd_splash);
+
+  grub_cpu_xnu_fini ();
 }

loader/xnu_resume.c

@@ -45,7 +45,7 @@ grub_xnu_resume (char *imagename)
   grub_file_t file;
   grub_size_t total_header_size;
   struct grub_xnu_hibernate_header hibhead;
-  char *buf, *codetmp;
+  grub_uint8_t *buf;
 
   grub_uint32_t codedest;
   grub_uint32_t codesize;
@@ -94,17 +94,28 @@ grub_xnu_resume (char *imagename)
   /* Try to allocate necessary space.
      FIXME: mm isn't good enough yet to handle huge allocations.
    */
-  grub_xnu_hibernate_image = buf = grub_malloc (hibhead.image_size);
+  grub_xnu_hibernate_image = buf = XNU_RELOCATOR (alloc) (hibhead.image_size
+							  + codesize
+							  + GRUB_XNU_PAGESIZE);
   if (! buf)
     {
       grub_file_close (file);
-      return grub_error (GRUB_ERR_OUT_OF_MEMORY,
+      return grub_errno;
-			 "not enough memory to load image");
+    }
+
+  /* Read code part. */
+  if (grub_file_seek (file, total_header_size) == (grub_off_t) -1
+      || grub_file_read (file, buf, codesize)
+      != (grub_ssize_t) codesize)
+    {
+      grub_file_close (file);
+      return grub_error (GRUB_ERR_READ_ERROR, "Cannot read resume image.");
     }
 
   /* Read image. */
-  if (grub_file_seek (file, 0) == (grub_off_t)-1
+  if (grub_file_seek (file, 0) == (grub_off_t) -1
-      || grub_file_read (file, buf, hibhead.image_size)
+      || grub_file_read (file, buf + codesize + GRUB_XNU_PAGESIZE,
+			 hibhead.image_size)
       != (grub_ssize_t) hibhead.image_size)
     {
       grub_file_close (file);
@@ -112,22 +123,20 @@ grub_xnu_resume (char *imagename)
     }
   grub_file_close (file);
 
-  codetmp = grub_memalign (GRUB_XNU_PAGESIZE, codesize + GRUB_XNU_PAGESIZE);
   /* Setup variables needed by asm helper. */
   grub_xnu_heap_will_be_at = codedest;
-  grub_xnu_heap_start = codetmp;
+  grub_xnu_heap_start = buf;
-  grub_xnu_heap_size = codesize;
+  grub_xnu_heap_size = codesize + GRUB_XNU_PAGESIZE + hibhead.image_size;
   grub_xnu_stack = (codedest + hibhead.stack);
   grub_xnu_entry_point = (codedest + hibhead.entry_point);
-  grub_xnu_arg1 = (long) buf;
+  grub_xnu_arg1 = codedest + codesize + GRUB_XNU_PAGESIZE;
 
-  /* Prepare asm helper. */
+  grub_dprintf ("xnu", "entry point 0x%x\n", codedest + hibhead.entry_point);
-  grub_memcpy (codetmp, ((grub_uint8_t *) buf) + total_header_size, codesize);
+  grub_dprintf ("xnu", "image at 0x%x\n",
-  grub_memcpy (codetmp + codesize, grub_xnu_launcher_start,
+		codedest + codesize + GRUB_XNU_PAGESIZE);
-	       grub_xnu_launcher_end - grub_xnu_launcher_start);
 
   /* We're ready now. */
-  grub_loader_set ((grub_err_t (*) (void)) (codetmp + codesize),
+  grub_loader_set (grub_xnu_boot_resume,
 		   grub_xnu_resume_unload, 0);
 
   /* Prevent module from unloading. */

util/grub-mkrelpath.c

@@ -27,6 +27,7 @@ static struct option options[] =
   {
     {"help", no_argument, 0, 'h'},
     {"version", no_argument, 0, 'V'},
+    {0, 0, 0, 0},
   };
 
 static void

util/grub-probe.c

@@ -123,7 +123,7 @@ probe (const char *path, char *device_name)
     device_name = grub_guess_root_device (path);
 
   if (! device_name)
-    grub_util_error ("cannot find a device for %s.\n", path);
+    grub_util_error ("cannot find a device for %s (is /dev mounted?).\n", path);
 
   if (print == PRINT_DEVICE)
     {

util/grub.d/30_os-prober.in

@@ -37,6 +37,56 @@ if [ -z "${OSPROBED}" ] ; then
   exit 0
 fi
 
+function osx_entry {
+        cat << EOF
+menuentry "${LONGNAME} (${2}-bit) (on ${DEVICE})" {
+EOF
+	prepare_grub_to_access_device ${DEVICE} | sed -e "s/^/\t/"
+	cat << EOF
+        insmod ${GRUB_VIDEO_BACKEND}
+        do_resume=0
+        if [ /var/vm/sleepimage -nt10 / ]; then
+           if xnu_resume /var/vm/sleepimage; then
+             do_resume=1
+           fi
+        fi
+        if [ \$do_resume == 0 ]; then
+           xnu_uuid ${OSXUUID} uuid
+           if [ -f /Extra/DSDT.aml ]; then
+              acpi -e /Extra/DSDT.aml
+           fi
+           $1 /mach_kernel boot-uuid=\${uuid} rd=*uuid
+           if [ /System/Library/Extensions.mkext -nt /System/Library/Extensions ]; then
+              xnu_mkext /System/Library/Extensions.mkext
+           else
+              xnu_kextdir /System/Library/Extensions
+           fi
+           if [ -f /Extra/Extensions.mkext ]; then
+              xnu_mkext /Extra/Extensions.mkext
+           fi
+           if [ -d /Extra/Extensions ]; then
+              xnu_kextdir /Extra/Extensions
+           fi
+           if [ -f /Extra/devprop.bin ]; then
+              xnu_devprop_load /Extra/devprop.bin
+           fi
+           if [ -f /Extra/splash.jpg ]; then
+              insmod jpeg
+              xnu_splash /Extra/splash.jpg
+           fi
+           if [ -f /Extra/splash.png ]; then
+              insmod png
+              xnu_splash /Extra/splash.png
+           fi
+           if [ -f /Extra/splash.tga ]; then
+              insmod tga
+              xnu_splash /Extra/splash.tga
+           fi
+        fi
+}
+EOF
+}
+
 for OS in ${OSPROBED} ; do
   DEVICE="`echo ${OS} | cut -d ':' -f 1`"
   LONGNAME="`echo ${OS} | cut -d ':' -f 2 | tr '^' ' '`"
@@ -115,53 +165,8 @@ EOF
     ;;
     macosx)
       OSXUUID="`grub-probe --target=fs_uuid --device ${DEVICE} 2> /dev/null`"
-        cat << EOF
+      osx_entry xnu_kernel 32
-menuentry "${LONGNAME} (on ${DEVICE})" {
+      osx_entry xnu_kernel64 64
-EOF
-	prepare_grub_to_access_device ${DEVICE} | sed -e "s/^/\t/"
-	cat << EOF
-        insmod ${GRUB_VIDEO_BACKEND}
-        do_resume=0
-        if [ /var/vm/sleepimage -nt10 / ]; then
-           if xnu_resume /var/vm/sleepimage; then
-             do_resume=1
-           fi
-        fi
-        if [ \$do_resume == 0 ]; then
-           xnu_uuid ${OSXUUID} uuid
-           if [ -f /Extra/DSDT.aml ]; then
-              acpi -e /Extra/DSDT.aml
-           fi
-           xnu_kernel /mach_kernel boot-uuid=\${uuid} rd=*uuid
-           if [ /System/Library/Extensions.mkext -nt /System/Library/Extensions ]; then
-              xnu_mkext /System/Library/Extensions.mkext
-           else
-              xnu_kextdir /System/Library/Extensions
-           fi
-           if [ -f /Extra/Extensions.mkext ]; then
-              xnu_mkext /Extra/Extensions.mkext
-           fi
-           if [ -d /Extra/Extensions ]; then
-              xnu_kextdir /Extra/Extensions
-           fi
-           if [ -f /Extra/devtree.txt ]; then
-              xnu_devtree /Extra/devtree.txt
-           fi
-           if [ -f /Extra/splash.jpg ]; then
-              insmod jpeg
-              xnu_splash /Extra/splash.jpg
-           fi
-           if [ -f /Extra/splash.png ]; then
-              insmod png
-              xnu_splash /Extra/splash.png
-           fi
-           if [ -f /Extra/splash.tga ]; then
-              insmod tga
-              xnu_splash /Extra/splash.tga
-           fi
-        fi
-}
-EOF
     ;;
     hurd)
       cat << EOF

util/i386/efi/grub-dumpdevtree

@@ -15,11 +15,8 @@
 # You should have received a copy of the GNU General Public License
 # along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
 
-hexify()
+if [ x$1 == x ]; then
-{
+   echo "Filename required".
-  echo -n "$@" | od -A n -t x1 - | sed -e 's/ //g' | tr '\n' '\0'
+fi
-}
 
-echo "`hexify efi`{	`hexify device-properties`:"
+ioreg -lw0 -p IODeviceTree -n efi -r -x |grep device-properties | sed 's/.*<//;s/>.*//;' | xxd -r -p > $1
-ioreg -lw0 -p IODeviceTree -n efi -r -x |grep device-properties | sed 's/.*<//;s/>.*//;'
-echo ";}"

video/i386/pc/vbe.c

@@ -33,6 +33,9 @@ static int vbe_detected = -1;
 static struct grub_vbe_info_block controller_info;
 static struct grub_vbe_mode_info_block active_vbe_mode_info;
 
+/* Track last mode to support cards which fail on get_mode.  */
+static grub_uint32_t last_set_mode = 3;
+
 static struct
 {
   struct grub_video_mode_info mode_info;
@@ -160,6 +163,7 @@ grub_vbe_set_video_mode (grub_uint32_t vbe_mode,
   status = grub_vbe_bios_set_mode (vbe_mode, 0);
   if (status != GRUB_VBE_STATUS_OK)
     return grub_error (GRUB_ERR_BAD_DEVICE, "cannot set VBE mode %x", vbe_mode);
+  last_set_mode = vbe_mode;
 
   /* Save information for later usage.  */
   framebuffer.active_vbe_mode = vbe_mode;
@@ -203,6 +207,7 @@ grub_vbe_set_video_mode (grub_uint32_t vbe_mode,
 	case 8: framebuffer.bytes_per_pixel = 1; break;
 	default:
 	  grub_vbe_bios_set_mode (old_vbe_mode, 0);
+	  last_set_mode = old_vbe_mode;
 	  return grub_error (GRUB_ERR_BAD_DEVICE,
 			     "cannot set VBE mode %x",
 			     vbe_mode);
@@ -256,8 +261,9 @@ grub_vbe_get_video_mode (grub_uint32_t *mode)
 
   /* Try to query current mode from VESA BIOS.  */
   status = grub_vbe_bios_get_mode (mode);
+  /* XXX: ATI cards don't support get_mode.  */
   if (status != GRUB_VBE_STATUS_OK)
-    return grub_error (GRUB_ERR_BAD_DEVICE, "cannot get current VBE mode");
+    *mode = last_set_mode;
 
   return GRUB_ERR_NONE;
 }
@@ -391,10 +397,6 @@ grub_video_vbe_setup (unsigned int width, unsigned int height,
         /* If not available, skip it.  */
         continue;
 
-      if ((vbe_mode_info.mode_attributes & 0x002) == 0)
-        /* Not enough information.  */
-        continue;
-
       if ((vbe_mode_info.mode_attributes & 0x008) == 0)
         /* Monochrome is unusable.  */
         continue;