pull-in emu-lite branch

configure.common

@@ -123,7 +123,7 @@ esac
 
 case "$platform" in
   coreboot)	machine_CPPFLAGS="-DGRUB_MACHINE_COREBOOT=1" ;;
-  multiboot)	machine_CFLAGS="-DGRUB_MACHINE_MULTIBOOT=1" ;;
+  multiboot)	machine_CPPFLAGS="-DGRUB_MACHINE_MULTIBOOT=1" ;;
   efi)		machine_CPPFLAGS="-DGRUB_MACHINE_EFI=1" ;;
   ieee1275)	machine_CPPFLAGS="-DGRUB_MACHINE_IEEE1275=1" ;;
   qemu)		machine_CPPFLAGS="-DGRUB_MACHINE_QEMU=1" ;;
@@ -801,4 +801,3 @@ AM_CONDITIONAL([COND_GRUB_MKFONT], [test x$enable_grub_mkfont = xyes])
 AM_CONDITIONAL([COND_HAVE_FONT_SOURCE], [test x$FONT_SOURCE != x])
 AM_CONDITIONAL([COND_GRUB_FSTEST], [test x$enable_grub_fstest = xyes])
 AM_CONDITIONAL([COND_ENABLE_EFIEMU], [test x$enable_efiemu = xyes])
-

grub-core/commands/parttool.c

@@ -175,7 +175,7 @@ grub_cmd_parttool (grub_command_t cmd __attribute__ ((unused)),
     }
 
   /* Load modules. */
-#if defined(GRUB_MACHINE_EMU)
+  if (! grub_no_autoload)
   {
     const char *prefix;
     prefix = grub_env_get ("prefix");
@@ -233,7 +233,6 @@ grub_cmd_parttool (grub_command_t cmd __attribute__ ((unused)),
     /* Ignore errors.  */
     grub_errno = GRUB_ERR_NONE;
   }
-#endif
 
   if (argc == 1)
     return show_help ();

grub-core/conf/any-emu.rmk

@@ -10,25 +10,23 @@ kernel_img_SOURCES = kern/device.c kern/disk.c kern/dl.c kern/env.c	\
 	kern/parser.c kern/partition.c kern/term.c			\
 	kern/rescue_reader.c kern/rescue_parser.c			\
 									\
-	util/console.c  util/grub-emu.c util/misc.c			\
+	kern/emu/main.c kern/emu/mm.c kern/emu/misc.c			\
-	util/hostdisk.c util/getroot.c util/mm.c util/time.c		\
+	kern/emu/getroot.c kern/emu/time.c kern/emu/hostdisk.c		\
+	kern/emu/hostfs.c kern/emu/console.c				\
 									\
-	gnulib/progname.c util/hostfs.c disk/host.c
+	gnulib/progname.c disk/host.c
-kernel_img_HEADERS += datetime.h util/misc.h
+kernel_img_HEADERS += datetime.h emu/misc.h
 kernel_img_CFLAGS = $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) -Wno-undef -I$(srcdir)/gnulib
 kernel_img_LDFLAGS = $(COMMON_LDFLAGS)
 TARGET_NO_STRIP = yes
 
-ifneq ($(TARGET_NO_MODULES), yes)
+noinst_MODULES = emu-full.mod
-kernel_img_SOURCES += symlist.c kern/$(target_cpu)/dl.c
+emu_full_mod_SOURCES = kern/emu/full.c
-ifneq ($(target_cpu), i386)
+emu_full_mod_CFLAGS = $(COMMON_CFLAGS)
-ifneq ($(target_cpu), x86_64)
+
-kernel_img_SOURCES += kern/$(target_cpu)/cache.S
+noinst_MODULES = emu-lite.mod
-endif
+emu_lite_mod_SOURCES = kern/emu/lite.c kern/emu/cache.S symlist.c
-endif
+emu_lite_mod_CFLAGS = $(COMMON_CFLAGS)
-else
-kernel_img_SOURCES += grub_emu_init.c
-endif
 
 # For halt.mod.
 pkglib_MODULES += halt.mod
@@ -49,7 +47,7 @@ ifeq ($(enable_grub_emu_usb), yes)
 kernel_img_HEADERS += libusb.h
 
 pkglib_MODULES += libusb.mod
-libusb_mod_SOURCES = util/usb.c
+libusb_mod_SOURCES = bus/usb/emu/usb.c
 libusb_mod_CFLAGS = 
 libusb_mod_LDFLAGS = $(COMMON_LDFLAGS)
 
@@ -76,7 +74,7 @@ endif
 
 ifeq ($(enable_grub_emu_sdl), yes)
 pkglib_MODULES += sdl.mod
-sdl_mod_SOURCES = util/sdl.c
+sdl_mod_SOURCES = video/emu/sdl.c
 sdl_mod_CFLAGS = 
 sdl_mod_LDFLAGS = $(COMMON_LDFLAGS)
 grub_emu_LDFLAGS += $(LIBSDL)
@@ -85,7 +83,7 @@ endif
 
 ifeq ($(enable_grub_emu_pci), yes)
 pkglib_MODULES += pci.mod
-pci_mod_SOURCES = util/pci.c commands/lspci.c
+pci_mod_SOURCES = bus/emu/pci.c commands/lspci.c
 pci_mod_LDFLAGS = $(COMMON_LDFLAGS)
 grub_emu_LDFLAGS += $(LIBPCIACCESS)
 kernel_img_HEADERS += libpciaccess.h
@@ -101,13 +99,16 @@ grub_emu_init.c: genemuinit.sh $(pkglib_MODULES) grub_emu_init.h
 	rm -f $@; echo $(pkglib_MODULES) | sh $(srcdir)/genemuinit.sh $(NM) > $@
 DISTCLEANFILES += grub_emu_init.c
 
-CLEANFILES += grub-emu
+grub_emu_init.o: grub_emu_init.c grub_emu_init.h
-ifneq ($(TARGET_NO_MODULES), yes)
+	rm -f $@; $(TARGET_CC) $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) -DGRUB_FILE=\"grub_init.c\" -c -o $@ $<
-grub-emu: $(pkglib_PROGRAMS)
+CLEANFILES += grub_emu_init.o
-	$(CC) -o $@ $(pkglib_PROGRAMS) $(grub_emu_LDFLAGS) $(LDFLAGS)
-else
-grub-emu: $(pkglib_MODULES) $(pkglib_PROGRAMS)
-	$(CC) -o $@ $(pkglib_MODULES) $(pkglib_PROGRAMS) $(grub_emu_LDFLAGS) $(LDFLAGS)
-endif
-GRUB_EMU=grub-emu
 
+CLEANFILES += grub-emu-lite
+grub-emu-lite: $(pkglib_PROGRAMS) emu-lite.mod
+	$(CC) -o $@ $^ $(grub_emu_LDFLAGS) $(LDFLAGS)
+GRUB_EMU_LITE=grub-emu-lite
+
+CLEANFILES += grub-emu
+grub-emu: $(pkglib_MODULES) $(pkglib_PROGRAMS) emu-full.mod grub_emu_init.o
+	$(CC) -o $@ $^ $(grub_emu_LDFLAGS) $(LDFLAGS)
+GRUB_EMU=grub-emu

grub-core/conf/common.rmk

@@ -6,7 +6,7 @@ script/lexer.c_DEPENDENCIES = grub_script.tab.h
 sbin_UTILITIES += grub-mkdevicemap
 grub_mkdevicemap_SOURCES = gnulib/progname.c util/grub-mkdevicemap.c \
 	util/deviceiter.c \
-	util/misc.c
+	util/misc.c kern/emu/misc.c
 
 ifeq ($(target_cpu)-$(platform), sparc64-ieee1275)
 grub_mkdevicemap_SOURCES += util/ieee1275/ofpath.c util/ieee1275/devicemap.c
@@ -16,16 +16,15 @@ endif
 
 # For grub-mkelfimage.
 bin_UTILITIES += grub-mkelfimage
-grub_mkelfimage_SOURCES = gnulib/progname.c \
+grub_mkelfimage_SOURCES = gnulib/progname.c util/elf/grub-mkimage.c	\
-	util/elf/grub-mkimage.c util/misc.c \
+	util/misc.c kern/emu/misc.c util/resolve.c
-	util/resolve.c
 util/elf/grub-mkimage.c_DEPENDENCIES = Makefile
 
 # For grub-probe.
 sbin_UTILITIES += grub-probe
 util/grub-probe.c_DEPENDENCIES = grub_probe_init.h
 grub_probe_SOURCES = gnulib/progname.c util/grub-probe.c	\
-	util/hostdisk.c	util/misc.c util/getroot.c util/mm.c	\
+	kern/emu/hostdisk.c util/misc.c kern/emu/misc.c kern/emu/getroot.c kern/emu/mm.c	\
 	kern/device.c kern/disk.c kern/err.c kern/misc.c	\
 	kern/parser.c kern/partition.c kern/file.c kern/list.c	\
 	\
@@ -60,8 +59,8 @@ grub_mkisofs_CFLAGS = -D_FILE_OFFSET_BITS=64 				\
 
 # For grub-fstest.
 util/grub-fstest.c_DEPENDENCIES = grub_fstest_init.h
-grub_fstest_SOURCES = gnulib/progname.c util/grub-fstest.c util/hostfs.c \
+grub_fstest_SOURCES = gnulib/progname.c util/grub-fstest.c kern/emu/hostfs.c \
-	util/misc.c util/mm.c 	\
+	util/misc.c kern/emu/misc.c kern/emu/mm.c 	\
 	kern/file.c kern/device.c kern/disk.c kern/err.c kern/misc.c	\
 	disk/host.c disk/loopback.c kern/list.c kern/command.c		\
 	lib/arg.c commands/extcmd.c normal/datetime.c normal/misc.c	\
@@ -83,14 +82,14 @@ grub_fstest_SOURCES = gnulib/progname.c util/grub-fstest.c util/hostfs.c \
 # For grub-mkfont.
 ifeq ($(enable_grub_mkfont), yes)
 bin_UTILITIES += grub-mkfont
-grub_mkfont_SOURCES = gnulib/progname.c util/grub-mkfont.c util/misc.c
+grub_mkfont_SOURCES = gnulib/progname.c util/grub-mkfont.c util/misc.c kern/emu/misc.c
 grub_mkfont_CFLAGS = $(freetype_cflags)
 grub_mkfont_LDFLAGS = $(freetype_libs)
 endif
 
 # For grub-mkrelpath.
 bin_UTILITIES += grub-mkrelpath
-grub_mkrelpath_SOURCES = gnulib/progname.c util/grub-mkrelpath.c util/misc.c
+grub_mkrelpath_SOURCES = gnulib/progname.c util/grub-mkrelpath.c util/misc.c kern/emu/misc.c
 
 bin_UTILITIES += grub-bin2h
 grub_bin2h_SOURCES = gnulib/progname.c util/bin2h.c
@@ -104,7 +103,7 @@ DISTCLEANFILES += grub_script.yy.c grub_script.yy.h
 bin_UTILITIES += grub-script-check
 util/grub-script-check.c_DEPENDENCIES = grub_script_check_init.h
 grub_script_check_SOURCES = gnulib/progname.c gnulib/getdelim.c gnulib/getline.c \
-	util/grub-script-check.c util/misc.c util/mm.c \
+	util/grub-script-check.c util/misc.c kern/emu/misc.c kern/emu/mm.c \
 	script/main.c script/script.c script/function.c script/lexer.c \
 	kern/handler.c kern/err.c kern/parser.c kern/list.c \
 	kern/misc.c kern/env.c grub_script_check_init.c grub_script.tab.c \
@@ -187,7 +186,7 @@ DISTCLEANFILES += grub_fstest_init.c
 
 # for grub-editenv
 bin_UTILITIES += grub-editenv
-grub_editenv_SOURCES = gnulib/progname.c util/grub-editenv.c lib/envblk.c util/misc.c util/mm.c kern/misc.c kern/err.c
+grub_editenv_SOURCES = gnulib/progname.c util/grub-editenv.c lib/envblk.c util/misc.c kern/emu/misc.c kern/emu/mm.c kern/misc.c kern/err.c
 CLEANFILES += grub-editenv
 
 # Needed for genmk.rb to work
@@ -195,7 +194,7 @@ ifeq (0,1)
 bin_UTILITIES += grub-macho2img grub-pe2elf
 endif
 
-grub_pe2elf_SOURCES = gnulib/progname.c util/grub-pe2elf.c util/misc.c
+grub_pe2elf_SOURCES = gnulib/progname.c util/grub-pe2elf.c util/misc.c kern/emu/misc.c
 CLEANFILES += grub-pe2elf
 
 grub_macho2img_SOURCES = util/grub-macho2img.c
@@ -861,7 +860,7 @@ boot_mod_CFLAGS = $(COMMON_CFLAGS)
 boot_mod_LDFLAGS = $(COMMON_LDFLAGS)
 
 bin_UTILITIES += grub-mkpasswd-pbkdf2
-grub_mkpasswd_pbkdf2_SOURCES = gnulib/progname.c gnulib/getdelim.c gnulib/getline.c util/grub-mkpasswd-pbkdf2.c lib/crypto.c lib/libgcrypt-grub/cipher/sha512.c lib/pbkdf2.c util/misc.c util/mm.c kern/err.c
+grub_mkpasswd_pbkdf2_SOURCES = gnulib/progname.c gnulib/getdelim.c gnulib/getline.c util/grub-mkpasswd-pbkdf2.c lib/crypto.c lib/libgcrypt-grub/cipher/sha512.c lib/pbkdf2.c util/misc.c kern/emu/misc.c kern/emu/mm.c kern/err.c
 grub_mkpasswd_pbkdf2_CFLAGS += -Wno-missing-field-initializers -Wno-error -I$(srcdir)/lib/libgcrypt_wrap -DGRUB_MKPASSWD=1
 
 include $(srcdir)/conf/gcry.mk

grub-core/disk/lvm.c

@@ -25,7 +25,7 @@
 #include <grub/lvm.h>
 
 #ifdef GRUB_UTIL
-#include <grub/util/misc.h>
+#include <grub/emu/misc.h>
 #endif
 
 static struct grub_lvm_vg *vg_list;

grub-core/include/grub/dl.h

@@ -105,13 +105,13 @@ int EXPORT_FUNC(grub_dl_ref) (grub_dl_t mod);
 int EXPORT_FUNC(grub_dl_unref) (grub_dl_t mod);
 void EXPORT_FUNC(grub_dl_iterate) (int (*hook) (grub_dl_t mod));
 grub_dl_t EXPORT_FUNC(grub_dl_get) (const char *name);
-grub_err_t grub_dl_register_symbol (const char *name, void *addr,
+grub_err_t EXPORT_FUNC(grub_dl_register_symbol) (const char *name, void *addr,
 						 grub_dl_t mod);
 
 grub_err_t grub_arch_dl_check_header (void *ehdr);
 grub_err_t grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr);
 
-#if defined (_mips)
+#if defined (_mips) && ! GRUB_MACHINE_EMU
 #define GRUB_LINKER_HAVE_INIT 1
 void grub_arch_dl_init_linker (void);
 #endif

grub-core/include/grub/emu/misc.h

@@ -4,12 +4,24 @@
 #include <grub/symbol.h>
 #include <grub/types.h>
 
+#ifdef __NetBSD__
+/* NetBSD uses /boot for its boot block.  */
+# define DEFAULT_DIRECTORY	"/grub"
+#else
+# define DEFAULT_DIRECTORY	"/boot/grub"
+#endif
+
+#define DEFAULT_DEVICE_MAP	DEFAULT_DIRECTORY "/device.map"
+
 extern int verbosity;
 extern const char *program_name;
 
+void grub_emu_init (void);
 void grub_init_all (void);
 void grub_fini_all (void);
 
+char *grub_make_system_path_relative_to_its_root (const char *path);
+
 void * EXPORT_FUNC(xmalloc) (grub_size_t size);
 void * EXPORT_FUNC(xrealloc) (void *ptr, grub_size_t size);
 char * EXPORT_FUNC(xstrdup) (const char *str);
@@ -19,4 +31,14 @@ void EXPORT_FUNC(grub_util_warn) (const char *fmt, ...);
 void EXPORT_FUNC(grub_util_info) (const char *fmt, ...);
 void EXPORT_FUNC(grub_util_error) (const char *fmt, ...) __attribute__ ((noreturn));
 
+#ifndef HAVE_VASPRINTF
+int EXPORT_FUNC(vasprintf) (char **buf, const char *fmt, va_list ap);
+#endif
+
+#ifndef  HAVE_ASPRINTF
+int EXPORT_FUNC(asprintf) (char **buf, const char *fmt, ...);
+#endif
+
+char * EXPORT_FUNC(xasprintf) (const char *fmt, ...);
+
 #endif /* GRUB_EMU_MISC_H */

grub-core/include/grub/misc.h

@@ -50,6 +50,9 @@
 /* XXX: If grub_memmove is too slow, we must implement grub_memcpy.  */
 #define grub_memcpy(d,s,n)	grub_memmove ((d), (s), (n))
 
+/* Flag to control module autoloading in normal mode.  */
+extern int EXPORT_VAR(grub_no_autoload);
+
 void *EXPORT_FUNC(grub_memmove) (void *dest, const void *src, grub_size_t n);
 char *EXPORT_FUNC(grub_strcpy) (char *dest, const char *src);
 char *EXPORT_FUNC(grub_strncpy) (char *dest, const char *src, int c);

grub-core/include/grub/util/misc.h

@@ -28,15 +28,7 @@
 #include <config.h>
 #include <grub/types.h>
 #include <grub/symbol.h>
-
+#include <grub/emu/misc.h>
-#ifdef __NetBSD__
-/* NetBSD uses /boot for its boot block.  */
-# define DEFAULT_DIRECTORY	"/grub"
-#else
-# define DEFAULT_DIRECTORY	"/boot/grub"
-#endif
-
-#define DEFAULT_DEVICE_MAP	DEFAULT_DIRECTORY "/device.map"
 
 char *grub_util_get_path (const char *dir, const char *file);
 size_t grub_util_get_fp_size (FILE *fp);
@@ -48,18 +40,6 @@ void grub_util_write_image (const char *img, size_t size, FILE *out);
 void grub_util_write_image_at (const void *img, size_t size, off_t offset,
 			       FILE *out);
 
-#ifndef HAVE_VASPRINTF
-
-int vasprintf (char **buf, const char *fmt, va_list ap);
-
-#endif
-
-#ifndef  HAVE_ASPRINTF
-
-int asprintf (char **buf, const char *fmt, ...);
-
-#endif
-
 #ifdef __MINGW32__
 
 #define fseeko fseeko64

grub-core/kern/dl.c

@@ -474,7 +474,8 @@ grub_dl_ref (grub_dl_t mod)
 {
   grub_dl_dep_t dep;
 
-  if (!mod) return 0;
+  if (!mod)
+    return 0;
 
   for (dep = mod->dep; dep; dep = dep->next)
     grub_dl_ref (dep->mod);
@@ -487,7 +488,8 @@ grub_dl_unref (grub_dl_t mod)
 {
   grub_dl_dep_t dep;
 
-  if (!mod) return 0;
+  if (!mod)
+    return 0;
 
   for (dep = mod->dep; dep; dep = dep->next)
     grub_dl_unref (dep->mod);

grub-core/kern/emu/cache.S

@@ -2,15 +2,17 @@
 #error "This source is only meant for grub-emu platform"
 #endif
 
-#if GRUB_CPU_I386
+#if defined(GRUB_CPU_I386)
-#elif GRUB_CPU_X86_64
+/* Nothing is necessary.  */
-#elif GRUB_CPU_SPARC64
+#elif defined(GRUB_CPU_X86_64)
+/* Nothing is necessary.  */
+#elif defined(GRUB_CPU_SPARC64)
 #include "../sparc64/cache.S"
-#elif GRUB_CPU_MIPS
+#elif defined(GRUB_CPU_MIPS)
 #include "../mips/cache.S"
-#elif GRUB_CPU_MIPSEL
+#elif defined(GRUB_CPU_MIPSEL)
 #include "../mips/cache.S"
-#elif GRUB_CPU_POWERPC
+#elif defined(GRUB_CPU_POWERPC)
 #include "../powerpc/cache.S"
 #else
 #error "No target cpu type is defined"

grub-core/kern/emu/dl.c

@@ -1,19 +0,0 @@
-#ifndef GRUB_MACHINE_EMU
-#error "This source is only meant for grub-emu platform"
-#endif
-
-#if GRUB_CPU_I386
-#include "../i386/dl.c"
-#elif GRUB_CPU_X86_64
-#include "../x86_64/dl.c"
-#elif GRUB_CPU_SPARC64
-#include "../sparc64/dl.c"
-#elif GRUB_CPU_MIPS
-#include "../mips/dl.c"
-#elif GRUB_CPU_MIPSEL
-#include "../mips/dl.c"
-#elif GRUB_CPU_POWERPC
-#include "../powerpc/dl.c"
-#else
-#error "No target cpu type is defined"
-#endif

grub-core/kern/emu/dummy/symlist.c

@@ -1,26 +0,0 @@
-/*
- *  GRUB  --  GRand Unified Bootloader
- *  Copyright (C) 2010  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 <config.h>
-#include <grub/kernel.h>
-#include <grub/emu/misc.h>
-
-void
-grub_register_exported_symbols (void)
-{
-}

grub-core/kern/emu/full.c

@@ -18,12 +18,20 @@
 
 #include <config.h>
 #include <grub/dl.h>
+#include <grub/env.h>
+#include <grub/kernel.h>
+#include <grub/misc.h>
+#include <grub/emu/misc.h>
+
+void
+grub_register_exported_symbols (void)
+{
+}
 
 grub_err_t
 grub_arch_dl_check_header (void *ehdr)
 {
   (void) ehdr;
-
   return GRUB_ERR_BAD_MODULE;
 }
 
@@ -32,20 +40,11 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
 {
   (void) mod;
   (void) ehdr;
-
   return GRUB_ERR_BAD_MODULE;
 }
 
-/* int */
+void
-/* grub_dl_ref (grub_dl_t mod) */
+grub_emu_init (void)
-/* {  */
+{
-/*   (void) mod; */
+  grub_no_autoload = 1;
-/*   return 0; */
+}
-/* } */
-
-/* int */
-/* grub_dl_unref (grub_dl_t mod) */
-/* {  */
-/*   (void) mod; */
-/*   return 0; */
-/* } */

grub-core/kern/emu/getroot.c

@@ -27,13 +27,6 @@
 #include <stdlib.h>
 #include <stdint.h>
 
-#ifdef __CYGWIN__
-# include <sys/fcntl.h>
-# include <sys/cygwin.h>
-# include <limits.h>
-# define DEV_CYGDRIVE_MAJOR 98
-#endif
-
 #ifdef __GNU__
 #include <hurd.h>
 #include <hurd/lookup.h>
@@ -546,101 +539,3 @@ grub_util_check_char_device (const char *blk_dev)
   else
     return 0;
 }
-
-/* This function never prints trailing slashes (so that its output
-   can be appended a slash unconditionally).  */
-char *
-grub_make_system_path_relative_to_its_root (const char *path)
-{
-  struct stat st;
-  char *p, *buf, *buf2, *buf3;
-  uintptr_t offset = 0;
-  dev_t num;
-  size_t len;
-
-  /* canonicalize.  */
-  p = canonicalize_file_name (path);
-
-  if (p == NULL)
-    grub_util_error ("failed to get canonical path of %s", path);
-
-  len = strlen (p) + 1;
-  buf = xstrdup (p);
-  free (p);
-
-  if (stat (buf, &st) < 0)
-    grub_util_error ("cannot stat %s: %s", buf, strerror (errno));
-
-  buf2 = xstrdup (buf);
-  num = st.st_dev;
-
-  /* This loop sets offset to the number of chars of the root
-     directory we're inspecting.  */
-  while (1)
-    {
-      p = strrchr (buf, '/');
-      if (p == NULL)
-	/* This should never happen.  */
-	grub_util_error ("FIXME: no / in buf. (make_system_path_relative_to_its_root)");
-      if (p != buf)
-	*p = 0;
-      else
-	*++p = 0;
-
-      if (stat (buf, &st) < 0)
-	grub_util_error ("cannot stat %s: %s", buf, strerror (errno));
-
-      /* buf is another filesystem; we found it.  */
-      if (st.st_dev != num)
-	{
-	  /* offset == 0 means path given is the mount point.
-	     This works around special-casing of "/" in Un*x.  This function never
-	     prints trailing slashes (so that its output can be appended a slash
-	     unconditionally).  Each slash in is considered a preceding slash, and
-	     therefore the root directory is an empty string.  */
-	  if (offset == 0)
-	    {
-	      free (buf);
-	      free (buf2);
-	      return xstrdup ("");
-	    }
-	  else
-	    break;
-	}
-
-      offset = p - buf;
-      /* offset == 1 means root directory.  */
-      if (offset == 1)
-	{
-	  /* Include leading slash.  */
-	  offset = 0;
-	  break;
-	}
-    }
-  free (buf);
-  buf3 = xstrdup (buf2 + offset);
-  free (buf2);
-
-#ifdef __CYGWIN__
-  if (st.st_dev != (DEV_CYGDRIVE_MAJOR << 16))
-    {
-      /* Reached some mount point not below /cygdrive.
-	 GRUB does not know Cygwin's emulated mounts,
-	 convert to Win32 path.  */
-      grub_util_info ("Cygwin path = %s\n", buf3);
-      char * temp = get_win32_path (buf3);
-      free (buf3);
-      buf3 = temp;
-    }
-#endif
-
-  /* Remove trailing slashes, return empty string if root directory.  */
-  len = strlen (buf3);
-  while (len > 0 && buf3[len - 1] == '/')
-    {
-      buf3[len - 1] = '\0';
-      len--;
-    }
-
-  return buf3;
-}

grub-core/kern/emu/lite.c

@@ -1,16 +1,42 @@
 #include <config.h>
 #include <grub/emu/misc.h>
 
+#ifndef GRUB_MACHINE_EMU
+#error "This source is only meant for grub-emu platform"
+#endif
+
+#if defined(GRUB_CPU_I386)
+#include "../i386/dl.c"
+#elif defined(GRUB_CPU_X86_64)
+#include "../x86_64/dl.c"
+#elif defined(GRUB_CPU_SPARC64)
+#include "../sparc64/dl.c"
+#elif defined(GRUB_CPU_MIPS)
+#include "../mips/dl.c"
+#elif defined(GRUB_CPU_MIPSEL)
+#include "../mips/dl.c"
+#elif defined(GRUB_CPU_POWERPC)
+#include "../powerpc/dl.c"
+#else
+#error "No target cpu type is defined"
+#endif
+
 /* grub-emu-lite supports dynamic module loading, so it won't have any
    embedded modules.  */
 void
-grub_init_all(void)
+grub_init_all (void)
 {
   return;
 }
 
 void
-grub_fini_all(void)
+grub_fini_all (void)
+{
+  return;
+}
+
+void
+grub_emu_init (void)
 {
   return;
 }

grub-core/kern/emu/main.c

@@ -27,6 +27,7 @@
 #include <sys/types.h>
 #include <unistd.h>
 
+#include <grub/dl.h>
 #include <grub/mm.h>
 #include <grub/setjmp.h>
 #include <grub/fs.h>
@@ -34,7 +35,6 @@
 #include <grub/time.h>
 #include <grub/emu/console.h>
 #include <grub/emu/misc.h>
-#include <grub/util/misc.h>
 #include <grub/kernel.h>
 #include <grub/normal.h>
 #include <grub/emu/getroot.h>
@@ -136,6 +136,7 @@ void grub_hostfs_init (void);
 void grub_hostfs_fini (void);
 void grub_host_init (void);
 void grub_host_fini (void);
+void grub_emu_init (void);
 
 int
 main (int argc, char *argv[])
@@ -194,6 +195,7 @@ main (int argc, char *argv[])
     }
 
   signal (SIGINT, SIG_IGN);
+  grub_emu_init ();
   grub_console_init ();
   grub_host_init ();
   grub_hostfs_init ();

grub-core/kern/emu/misc.c

@@ -3,8 +3,12 @@
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <stdint.h>
 #include <string.h>
 #include <sys/time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
 
 #include <grub/mm.h>
 #include <grub/err.h>
@@ -62,70 +66,14 @@ grub_util_error (const char *fmt, ...)
   exit (1);
 }
 
-void *
-grub_malloc (grub_size_t size)
-{
-  return malloc (size);
-}
-
-void *
-grub_zalloc (grub_size_t size)
-{
-  void *ret;
-
-  ret = malloc (size);
-  memset (ret, 0, size);
-  return ret;
-}
-
-void
-grub_free (void *ptr)
-{
-  free (ptr);
-}
-
-void *
-grub_realloc (void *ptr, grub_size_t size)
-{
-  return realloc (ptr, size);
-}
-
-void *
-grub_memalign (grub_size_t align, grub_size_t size)
-{
-  void *p;
-
-#if defined(HAVE_POSIX_MEMALIGN)
-  if (align < sizeof (void *))
-    align = sizeof (void *);
-
-  else if (align % sizeof (void *))
-    grub_fatal ("bad alignment");
-
-  if (posix_memalign (&p, align, size) != 0)
-    p = 0;
-#elif defined(HAVE_MEMALIGN)
-  p = memalign (align, size);
-#else
-  (void) align;
-  (void) size;
-  grub_fatal ("grub_memalign is not supported");
-#endif
-
-  if (! p)
-    grub_fatal ("out of memory");
-
-  return p;
-}
-
 void *
 xmalloc (grub_size_t size)
 {
   void *p;
 
-  p = grub_malloc (size);
+  p = malloc (size);
   if (! p)
-    grub_fatal ("out of memory");
+    grub_util_error ("out of memory");
 
   return p;
 }
@@ -133,9 +81,9 @@ xmalloc (grub_size_t size)
 void *
 xrealloc (void *ptr, grub_size_t size)
 {
-  ptr = grub_realloc (ptr, size);
+  ptr = realloc (ptr, size);
   if (! ptr)
-    grub_fatal ("out of memory");
+    grub_util_error ("out of memory");
 
   return ptr;
 }
@@ -146,13 +94,43 @@ xstrdup (const char *str)
   size_t len;
   char *newstr;
 
-  len = grub_strlen (str);
+  len = strlen (str);
   newstr = (char *) xmalloc (len + 1);
-  grub_memcpy (newstr, str, len + 1);
+  memcpy (newstr, str, len + 1);
 
   return newstr;
 }
 
+#ifndef HAVE_VASPRINTF
+
+int
+vasprintf (char **buf, const char *fmt, va_list ap)
+{
+  /* Should be large enough.  */
+  *buf = xmalloc (512);
+
+  return vsprintf (*buf, fmt, ap);
+}
+
+#endif
+
+#ifndef  HAVE_ASPRINTF
+
+int
+asprintf (char **buf, const char *fmt, ...)
+{
+  int status;
+  va_list ap;
+
+  va_start (ap, fmt);
+  status = vasprintf (*buf, fmt, ap);
+  va_end (ap);
+
+  return status;
+}
+
+#endif
+
 char *
 xasprintf (const char *fmt, ...)
 { 
@@ -197,3 +175,102 @@ grub_get_rtc (void)
 	  + (((tv.tv_sec % GRUB_TICKS_PER_SECOND) * 1000000 + tv.tv_usec)
 	     * GRUB_TICKS_PER_SECOND / 1000000));
 }
+
+
+/* This function never prints trailing slashes (so that its output
+   can be appended a slash unconditionally).  */
+char *
+grub_make_system_path_relative_to_its_root (const char *path)
+{
+  struct stat st;
+  char *p, *buf, *buf2, *buf3;
+  uintptr_t offset = 0;
+  dev_t num;
+  size_t len;
+
+  /* canonicalize.  */
+  p = canonicalize_file_name (path);
+
+  if (p == NULL)
+    grub_util_error ("failed to get canonical path of %s", path);
+
+  len = strlen (p) + 1;
+  buf = xstrdup (p);
+  free (p);
+
+  if (stat (buf, &st) < 0)
+    grub_util_error ("cannot stat %s: %s", buf, strerror (errno));
+
+  buf2 = xstrdup (buf);
+  num = st.st_dev;
+
+  /* This loop sets offset to the number of chars of the root
+     directory we're inspecting.  */
+  while (1)
+    {
+      p = strrchr (buf, '/');
+      if (p == NULL)
+	/* This should never happen.  */
+	grub_util_error ("FIXME: no / in buf. (make_system_path_relative_to_its_root)");
+      if (p != buf)
+	*p = 0;
+      else
+	*++p = 0;
+
+      if (stat (buf, &st) < 0)
+	grub_util_error ("cannot stat %s: %s", buf, strerror (errno));
+
+      /* buf is another filesystem; we found it.  */
+      if (st.st_dev != num)
+	{
+	  /* offset == 0 means path given is the mount point.
+	     This works around special-casing of "/" in Un*x.  This function never
+	     prints trailing slashes (so that its output can be appended a slash
+	     unconditionally).  Each slash in is considered a preceding slash, and
+	     therefore the root directory is an empty string.  */
+	  if (offset == 0)
+	    {
+	      free (buf);
+	      free (buf2);
+	      return xstrdup ("");
+	    }
+	  else
+	    break;
+	}
+
+      offset = p - buf;
+      /* offset == 1 means root directory.  */
+      if (offset == 1)
+	{
+	  /* Include leading slash.  */
+	  offset = 0;
+	  break;
+	}
+    }
+  free (buf);
+  buf3 = xstrdup (buf2 + offset);
+  free (buf2);
+
+#ifdef __CYGWIN__
+  if (st.st_dev != (DEV_CYGDRIVE_MAJOR << 16))
+    {
+      /* Reached some mount point not below /cygdrive.
+	 GRUB does not know Cygwin's emulated mounts,
+	 convert to Win32 path.  */
+      grub_util_info ("Cygwin path = %s\n", buf3);
+      char * temp = get_win32_path (buf3);
+      free (buf3);
+      buf3 = temp;
+    }
+#endif
+
+  /* Remove trailing slashes, return empty string if root directory.  */
+  len = strlen (buf3);
+  while (len > 0 && buf3[len - 1] == '/')
+    {
+      buf3[len - 1] = '\0';
+      len--;
+    }
+
+  return buf3;
+}

grub-core/kern/main.c

@@ -30,6 +30,8 @@
 #include <grub/reader.h>
 #include <grub/parser.h>
 
+int grub_no_autoload;
+
 void
 grub_module_iterate (int (*hook) (struct grub_module_header *header))
 {

grub-core/modules.def

@@ -15,6 +15,8 @@ kernel = {
   mips_yeeloong_cppflags = '-DUSE_ASCII_FAILBACK';
   i386_qemu_cppflags     = '-DGRUB_BOOT_MACHINE_LINK_ADDR=$(GRUB_BOOT_MACHINE_LINK_ADDR)';
   i386_qemu_ccasflags    = '-DGRUB_KERNEL_MACHINE_LINK_ADDR=$(GRUB_KERNEL_MACHINE_LINK_ADDR)';
+  emu_cflags = '$(CFLAGS_GNULIB)';
+  emu_cppflags = '$(CPPFLAGS_GNULIB)';
 
   mips_ldadd = '-lgcc';
   powerpc_ldadd = '-lgcc';
@@ -187,6 +189,8 @@ kernel = {
   sparc64_ieee1275 = disk/ieee1275/ofdisk.c;
   sparc64_ieee1275 = term/ieee1275/ofconsole.c;
 
+  emu = kern/emu/mm.c;
+  emu = kern/emu/main.c;
   emu = kern/emu/misc.c;
   emu = kern/emu/getroot.c;
   emu = kern/emu/time.c;
@@ -194,6 +198,7 @@ kernel = {
   emu = kern/emu/hostfs.c;
   emu = kern/emu/console.c;
   emu = disk/host.c;
+  emu = gnulib/progname.c;
 
   image_nostrip = { emu; };
   image_strip_keep_kernel = { i386_efi; x86_64_efi; };
@@ -205,16 +210,9 @@ program = {
   name = grub-emu;
   mansection = 1;
 
-  source = kern/emu/main.c;
+  source = kern/emu/full.c;
-  source = kern/emu/dummy/dl.c;
-  source = kern/emu/dummy/symlist.c;
-  source = gnulib/progname.c;
-
   nodist = grub_emu_init.c;
 
-  cflags = '$(CFLAGS_GNULIB)';
-  cppflags = '$(CPPFLAGS_GNULIB)';
-
   ldadd = kernel.exec;
   ldadd = '$(MODULE_FILES)';
   ldadd = '$(LIBCURSES) $(LIBSDL) $(LIBUSB) $(LIBPCIACCESS)';
@@ -225,16 +223,10 @@ program = {
 program = {
   name = grub-emu-lite;
 
-  source = kern/emu/main.c;
   source = kern/emu/lite.c;
-  source = kern/emu/dl.c;
   source = kern/emu/cache.S;
-  source = gnulib/progname.c;
   nodist = symlist.c;
 
-  cflags = '$(CFLAGS_GNULIB)';
-  cppflags = '$(CPPFLAGS_GNULIB)';
-
   ldadd = kernel.exec;
   ldadd = '$(LIBCURSES) $(LIBSDL) $(LIBUSB) $(LIBPCIACCESS)';
 

grub-core/normal/main.c

@@ -476,10 +476,13 @@ grub_normal_init_page (struct grub_term_output *term)
 static void
 read_lists (const char *val)
 {
+  if (! grub_no_autoload)
+    {
       read_command_list (val);
       read_fs_list (val);
       read_crypto_list (val);
       read_terminal_list (val);
+    }
 }
 
 static char *

modules.def

@@ -19,6 +19,7 @@ library = {
 
   source = util/misc.c;
   source = grub-core/kern/misc.c;
+  source = grub-core/kern/emu/mm.c;
   source = grub-core/kern/emu/misc.c;
   source = grub-core/kern/emu/hostfs.c;
   source = grub-core/kern/emu/getroot.c;

util/grub-mkrelpath.c

@@ -17,8 +17,9 @@
  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <stdio.h>
 #include <grub/util/misc.h>
-#include <grub/emu/getroot.h>
+#include <grub/emu/misc.h>
 #include <grub/i18n.h>
 #include <getopt.h>
 

util/grub-probe.c

@@ -21,6 +21,7 @@
 #include <grub/types.h>
 #include <grub/emu/misc.h>
 #include <grub/util/misc.h>
+#include <grub/util/misc.h>
 #include <grub/device.h>
 #include <grub/disk.h>
 #include <grub/file.h>

util/misc.c

@@ -278,7 +278,34 @@ grub_mm_init_region (void *addr __attribute__ ((unused)),
 {
 }
 
-#if !(defined (__i386__) || defined (__x86_64__))
+void
+grub_register_exported_symbols (void)
+{
+}
+
+#ifdef __MINGW32__
+
+void
+grub_millisleep (grub_uint32_t ms)
+{
+  Sleep (ms);
+}
+
+#else
+
+void
+grub_millisleep (grub_uint32_t ms)
+{
+  struct timespec ts;
+
+  ts.tv_sec = ms / 1000;
+  ts.tv_nsec = (ms % 1000) * 1000000;
+  nanosleep (&ts, NULL);
+}
+
+#endif
+
+#if !(defined (__i386__) || defined (__x86_64__)) && GRUB_MACHINE_EMU
 void
 grub_arch_sync_caches (void *address __attribute__ ((unused)),
 		       grub_size_t len __attribute__ ((unused)))
@@ -286,23 +313,6 @@ grub_arch_sync_caches (void *address __attribute__ ((unused)),
 }
 #endif
 
-#ifndef  HAVE_ASPRINTF
-
-int
-asprintf (char **buf, const char *fmt, ...)
-{
-  int status;
-  va_list ap;
-
-  va_start (ap, fmt);
-  status = vasprintf (*buf, fmt, ap);
-  va_end (ap);
-
-  return status;
-}
-
-#endif
-
 #ifdef __MINGW32__
 
 void sync (void)