Merge relocators into mips
This commit is contained in:
Vladimir 'phcoder' Serbinenko
commit
537ee0a5f1
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@ -0,0 +1,77 @@
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2009-11-28 Vladimir Serbinenko <phcoder@gmail.com>
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Relocator framework
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* THANKS: Add David Miller.
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* loader/i386/xnu_helper.S: Removed. All users updated.
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* conf/i386.rmk (pkglib_MODULES): Add relocator.mod.
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(relocator_mod_SOURCES): New variable.
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(relocator_mod_CFLAGS): Likewise.
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(relocator_mod_LDFLAGS): Likewise.
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(relocator_mod_ASFLAGS): Likewise.
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* conf/x86_64.rmk: Likewise.
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* include/grub/i386/multiboot.h (grub_multiboot_payload_orig): Removed.
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(grub_multiboot_payload_entry_offset): Likewise.
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(grub_multiboot_forward_relocator): Likewise.
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(grub_multiboot_forward_relocator_end): Likewise.
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(grub_multiboot_backward_relocator): Likewise.
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(grub_multiboot_backward_relocator_end): Likewise.
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(grub_multiboot_payload_eip): New variable.
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(grub_multiboot_payload_orig): Likewise.
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(GRUB_MULTIBOOT_STACK_SIZE): New definition.
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* include/grub/i386/pc/memory.h: Include grub/i386/memory.h.
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(GRUB_MEMORY_MACHINE_CR0_PE_ON): Move from here ...
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* include/grub/i386/memory.h
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(GRUB_MEMORY_CPU_CR0_PE_ON): ... to here
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(GRUB_MEMORY_CPU_CR4_PAE_ON): New definition.
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(GRUB_MEMORY_CPU_CR0_PAGING_ON): Likewise.
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(GRUB_MEMORY_CPU_AMD64_MSR): Likewise.
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(GRUB_MEMORY_CPU_AMD64_MSR_ON): Likewise.
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* include/grub/i386/relocator.h: New file.
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* include/grub/x86_64/relocator.h: Likewise.
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* include/grub/i386/xnu.h: Include grub/cpu/relocator.h.
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(XNU_RELOCATOR): New macro.
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(grub_xnu_launcher_start): Remove.
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(grub_xnu_launcher_end): Likewise.
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* include/grub/xnu.h (grub_xnu_boot_resume): New prototype.
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(grub_xnu_heap_real_start): Remove.
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(grub_xnu_heap_start): Change to void *. All users updated.
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* kern/i386/realmode.S (real_to_prot): Use GRUB_MEMORY_CPU_CR0_PE_ON.
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* lib/i386/relocator.c: New file.
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* lib/i386/relocator_asm.S: Likewise.
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* lib/i386/relocator_backward.S: Likewise.
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* lib/mips/relocator.c: Likewise.
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* lib/mips/relocator_asm.S: Likewise.
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* lib/relocator.c: Likewise.
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* loader/i386/multiboot.c: Include grub/i386/relocator.h.
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(entry): Removed.
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(playground): Likewise.
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(grub_multiboot_payload_orig): New variable.
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(grub_multiboot_payload_dest): Likewise.
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(grub_multiboot_payload_size): Likewise.
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(grub_multiboot_payload_eip): Likewise.
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(grub_multiboot_payload_esp): Likewise.
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(grub_multiboot_boot): Use grub_relocator32_boot.
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(grub_multiboot_unload): Free relocators.
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(grub_multiboot): Setup stack. Use relocators.
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* loader/i386/multiboot_elfxx.c: Include grub/i386/relocator.h.
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(grub_multiboot_load_elfXX): Use relocators.
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* loader/i386/multiboot_helper.S (grub_multiboot_payload_orig): Removed.
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(grub_multiboot_payload_size): Likewise.
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(grub_multiboot_payload_dest): Likewise.
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(grub_multiboot_payload_entry_offset): Likewise.
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(grub_multiboot_forward_relocator): Likewise.
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(grub_multiboot_backward_relocator): Likewise.
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(grub_multiboot_real_boot): Likewise.
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* loader/i386/xnu.c (grub_xnu_heap_will_be_at): New variable.
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(grub_xnu_entry_point): Likewise.
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(grub_xnu_arg1): Likewise.
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(grub_xnu_stack): Likewise.
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(grub_xnu_launch): Removed.
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(grub_xnu_boot_resume): New function.
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(grub_xnu_boot): Use relocators.
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* loader/i386/xnu_helper.S: Removed.
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* loader/xnu.c (grub_xnu_heap_start): New variable.
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(grub_xnu_heap_size): Likewise.
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(grub_xnu_heap_malloc): Use relocators.
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* loader/xnu_resume.c (grub_xnu_resume): Use relocators.
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@ -155,7 +155,7 @@ efi_gop_mod_LDFLAGS = $(COMMON_LDFLAGS)
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pkglib_MODULES += xnu.mod
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xnu_mod_SOURCES = loader/xnu_resume.c loader/i386/xnu.c loader/i386/efi/xnu.c\
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loader/macho.c loader/xnu.c loader/i386/xnu_helper.S
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loader/macho.c loader/xnu.c
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xnu_mod_CFLAGS = $(COMMON_CFLAGS)
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xnu_mod_LDFLAGS = $(COMMON_LDFLAGS)
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xnu_mod_ASFLAGS = $(COMMON_ASFLAGS)
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@ -184,7 +184,7 @@ linux_mod_LDFLAGS = $(COMMON_LDFLAGS)
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pkglib_MODULES += xnu.mod
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xnu_mod_SOURCES = loader/xnu_resume.c loader/i386/xnu.c loader/i386/pc/xnu.c\
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loader/macho.c loader/xnu.c loader/i386/xnu_helper.S
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loader/macho.c loader/xnu.c
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xnu_mod_CFLAGS = $(COMMON_CFLAGS)
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xnu_mod_LDFLAGS = $(COMMON_LDFLAGS)
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xnu_mod_ASFLAGS = $(COMMON_ASFLAGS)
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@ -161,9 +161,15 @@ efi_gop_mod_LDFLAGS = $(COMMON_LDFLAGS)
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pkglib_MODULES += xnu.mod
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xnu_mod_SOURCES = loader/xnu_resume.c loader/i386/xnu.c loader/i386/efi/xnu.c\
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loader/macho.c loader/xnu.c loader/i386/xnu_helper.S
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loader/macho.c loader/xnu.c
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xnu_mod_CFLAGS = $(COMMON_CFLAGS)
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xnu_mod_LDFLAGS = $(COMMON_LDFLAGS)
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xnu_mod_ASFLAGS = $(COMMON_ASFLAGS)
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pkglib_MODULES += relocator.mod
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relocator_mod_SOURCES = lib/i386/relocator.c lib/i386/relocator_asm.S lib/i386/relocator_backward.S
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relocator_mod_CFLAGS = $(COMMON_CFLAGS)
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relocator_mod_ASFLAGS = $(COMMON_ASFLAGS)
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relocator_mod_LDFLAGS = $(COMMON_LDFLAGS)
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include $(srcdir)/conf/common.mk
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@ -20,6 +20,9 @@
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#define GRUB_CPU_XNU_H 1
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#include <grub/err.h>
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#include <grub/cpu/relocator.h>
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#define XNU_RELOCATOR(x) (grub_relocator32_ ## x)
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#define GRUB_XNU_PAGESIZE 4096
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typedef grub_uint32_t grub_xnu_ptr_t;
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@ -75,6 +78,4 @@ grub_err_t grub_xnu_boot (void);
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grub_err_t grub_cpu_xnu_fill_devicetree (void);
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grub_err_t grub_xnu_set_video (struct grub_xnu_boot_params *bootparams_relloc);
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extern grub_uint32_t grub_xnu_heap_will_be_at;
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extern grub_uint8_t grub_xnu_launcher_start[];
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extern grub_uint8_t grub_xnu_launcher_end[];
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#endif
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@ -0,0 +1 @@
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#include <grub/i386/relocator.h>
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@ -92,6 +92,7 @@ struct grub_xnu_devtree_key *grub_xnu_create_value (struct grub_xnu_devtree_key
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void grub_xnu_lock (void);
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void grub_xnu_unlock (void);
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grub_err_t grub_xnu_resume (char *imagename);
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grub_err_t grub_xnu_boot_resume (void);
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struct grub_xnu_devtree_key *grub_xnu_find_key (struct grub_xnu_devtree_key *parent,
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char *name);
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grub_err_t grub_xnu_align_heap (int align);
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@ -100,8 +101,7 @@ grub_err_t grub_xnu_scan_dir_for_kexts (char *dirname, char *osbundlerequired,
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grub_err_t grub_xnu_load_kext_from_dir (char *dirname, char *osbundlerequired,
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int maxrecursion);
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void *grub_xnu_heap_malloc (int size);
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extern grub_uint32_t grub_xnu_heap_real_start;
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extern grub_size_t grub_xnu_heap_size;
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extern char *grub_xnu_heap_start;
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extern void *grub_xnu_heap_start;
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extern struct grub_video_bitmap *grub_xnu_bitmap;
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#endif
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@ -41,6 +41,9 @@ PREFIX (realloc) (void *relocator, grub_size_t size)
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{
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char *playground;
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if (!relocator)
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return PREFIX (alloc) (size);
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playground = (char *) relocator - PRE_REGION_SIZE;
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playground = grub_realloc (playground, size + MAX_OVERHEAD);
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@ -70,8 +73,8 @@ PREFIX (boot) (void *relocator, grub_uint32_t dest,
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size = *(grub_size_t *) playground;
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grub_dprintf ("relocator",
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"Relocator: source: %p, destination: 0x%x, size: 0x%x\n",
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relocator, dest, size);
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"Relocator: source: %p, destination: 0x%x, size: 0x%lx\n",
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relocator, (unsigned) dest, (unsigned long) size);
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/* Very unlikely condition: Relocator may risk overwrite itself.
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Just move it a bit up. */
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@ -100,10 +103,11 @@ PREFIX (boot) (void *relocator, grub_uint32_t dest,
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RELOCATOR_ALIGN);
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grub_dprintf ("relocator",
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"Backward relocator: code %p, source: %p, "
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"destination: 0x%x, size: 0x%x\n",
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"destination: 0x%x, size: 0x%lx\n",
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(char *) relocator - overhead,
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(char *) relocator - overhead,
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dest - overhead, size + overhead);
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(unsigned) dest - overhead,
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(unsigned long) size + overhead);
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write_call_relocator_bw ((char *) relocator - overhead,
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(char *) relocator - overhead,
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@ -117,10 +121,11 @@ PREFIX (boot) (void *relocator, grub_uint32_t dest,
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+ RELOCATOR_SIZEOF (forward) - (dest + size);
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grub_dprintf ("relocator",
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"Forward relocator: code %p, source: %p, "
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"destination: 0x%x, size: 0x%x\n",
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"destination: 0x%x, size: 0x%lx\n",
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(char *) relocator + size + overhead
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- RELOCATOR_SIZEOF (forward),
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relocator, dest, size + overhead);
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relocator, (unsigned) dest,
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(unsigned long) size + overhead);
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write_call_relocator_fw ((char *) relocator + size + overhead
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- RELOCATOR_SIZEOF (forward),
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@ -30,6 +30,8 @@
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#include <grub/term.h>
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char grub_xnu_cmdline[1024];
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grub_uint32_t grub_xnu_heap_will_be_at;
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grub_uint32_t grub_xnu_entry_point, grub_xnu_arg1, grub_xnu_stack;
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/* Aliases set for some tables. */
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struct tbl_alias
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@ -44,21 +46,6 @@ struct tbl_alias table_aliases[] =
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{GRUB_EFI_ACPI_TABLE_GUID, "ACPI"},
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};
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/* The following function is used to be able to debug xnu loader
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with grub-emu. */
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#ifdef GRUB_UTIL
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static grub_err_t
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grub_xnu_launch (void)
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{
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grub_printf ("Fake launch %x:%p:%p", grub_xnu_entry_point, grub_xnu_arg1,
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grub_xnu_stack);
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grub_getkey ();
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return 0;
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}
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#else
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static void (*grub_xnu_launch) (void) = 0;
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#endif
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static int
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utf16_strlen (grub_uint16_t *in)
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{
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@ -417,6 +404,19 @@ grub_cpu_xnu_fill_devicetree (void)
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return GRUB_ERR_NONE;
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}
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grub_err_t
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grub_xnu_boot_resume (void)
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{
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struct grub_relocator32_state state;
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state.esp = grub_xnu_stack;
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state.eip = grub_xnu_entry_point;
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state.eax = grub_xnu_arg1;
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return grub_relocator32_boot (grub_xnu_heap_start, grub_xnu_heap_will_be_at,
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state);
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}
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/* Boot xnu. */
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grub_err_t
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grub_xnu_boot (void)
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@ -434,6 +434,7 @@ grub_xnu_boot (void)
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void *devtree;
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grub_size_t devtreelen;
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int i;
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struct grub_relocator32_state state;
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/* Page-align to avoid following parts to be inadvertently freed. */
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err = grub_xnu_align_heap (GRUB_XNU_PAGESIZE);
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@ -501,7 +502,8 @@ grub_xnu_boot (void)
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grub_memcpy (bootparams_relloc->cmdline, grub_xnu_cmdline,
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sizeof (bootparams_relloc->cmdline));
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bootparams_relloc->devtree = ((char *) devtree - grub_xnu_heap_start)
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bootparams_relloc->devtree
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= ((grub_uint8_t *) devtree - (grub_uint8_t *) grub_xnu_heap_start)
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+ grub_xnu_heap_will_be_at;
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bootparams_relloc->devtreelen = devtreelen;
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@ -529,12 +531,7 @@ grub_xnu_boot (void)
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grub_xnu_stack = bootparams_relloc->heap_start
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+ bootparams_relloc->heap_size + GRUB_XNU_PAGESIZE;
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grub_xnu_arg1 = bootparams_relloc_off + grub_xnu_heap_will_be_at;
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#ifndef GRUB_UTIL
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grub_xnu_launch = (void (*) (void))
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(grub_xnu_heap_start + grub_xnu_heap_size);
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#endif
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grub_dprintf ("xnu", "eip=%x\n", grub_xnu_entry_point);
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grub_dprintf ("xnu", "launch=%p\n", grub_xnu_launch);
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const char *debug = grub_env_get ("debug");
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@ -560,16 +557,12 @@ grub_xnu_boot (void)
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bootparams_relloc->lfb_base = 0;
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}
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grub_memcpy (grub_xnu_heap_start + grub_xnu_heap_size,
|
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grub_xnu_launcher_start,
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grub_xnu_launcher_end - grub_xnu_launcher_start);
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if (! grub_autoefi_finish_boot_services ())
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return grub_error (GRUB_ERR_IO, "can't exit boot services");
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grub_xnu_launch ();
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/* Never reaches here. */
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return 0;
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state.eip = grub_xnu_entry_point;
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state.eax = grub_xnu_arg1;
|
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state.esp = grub_xnu_stack;
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return grub_relocator32_boot (grub_xnu_heap_start, grub_xnu_heap_will_be_at,
|
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state);
|
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}
|
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|
|
|
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|
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@ -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
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VARIABLE(grub_xnu_heap_will_be_at)
|
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.long 0
|
||||
mov %eax, %edi
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||||
|
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/* mov imm32, %eax */
|
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.byte 0xb8
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VARIABLE(grub_xnu_heap_start)
|
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.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)
|
||||
41
loader/xnu.c
41
loader/xnu.c
|
|
@ -36,6 +36,9 @@ struct grub_xnu_devtree_key *grub_xnu_devtree_root = 0;
|
|||
static int driverspackagenum = 0;
|
||||
static int driversnum = 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 +49,6 @@ 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 +60,21 @@ 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,
|
||||
newblknum * GRUB_XNU_HEAP_ALLOC_BLOCK);
|
||||
else
|
||||
val = grub_xnu_heap_start;
|
||||
if (! val)
|
||||
{
|
||||
grub_error (GRUB_ERR_OUT_OF_MEMORY,
|
||||
"not enough space on xnu memory heap");
|
||||
return 0;
|
||||
/* FIXME: instruct realloc to allocate at 1MB if possible once
|
||||
advanced mm is ready. */
|
||||
grub_xnu_heap_start
|
||||
= XNU_RELOCATOR (realloc) (grub_xnu_heap_start,
|
||||
newblknum
|
||||
* GRUB_XNU_HEAP_ALLOC_BLOCK);
|
||||
if (!grub_xnu_heap_start)
|
||||
return NULL;
|
||||
}
|
||||
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 +244,7 @@ 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;
|
||||
|
||||
|
|
@ -503,7 +496,7 @@ 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;
|
||||
|
||||
if (! grub_xnu_heap_size)
|
||||
|
|
@ -552,7 +545,7 @@ 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)))
|
||||
|
|
@ -568,7 +561,7 @@ 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)
|
||||
|
|
|
|||
|
|
@ -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;
|
||||
|
|
@ -94,12 +94,11 @@ 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);
|
||||
if (! buf)
|
||||
{
|
||||
grub_file_close (file);
|
||||
return grub_error (GRUB_ERR_OUT_OF_MEMORY,
|
||||
"not enough memory to load image");
|
||||
return grub_errno;
|
||||
}
|
||||
|
||||
/* Read image. */
|
||||
|
|
@ -112,22 +111,16 @@ 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_stack = (codedest + hibhead.stack);
|
||||
grub_xnu_entry_point = (codedest + hibhead.entry_point);
|
||||
grub_xnu_arg1 = (long) buf;
|
||||
|
||||
/* Prepare asm helper. */
|
||||
grub_memcpy (codetmp, ((grub_uint8_t *) buf) + total_header_size, codesize);
|
||||
grub_memcpy (codetmp + codesize, grub_xnu_launcher_start,
|
||||
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. */
|
||||
|
|
|
|||
Loading…
Reference in New Issue