module support in grub-emu

conf/any-emu.rmk

@@ -7,7 +7,6 @@ COMMON_CFLAGS +=
 script/lexer.c_DEPENDENCIES = grub_script.tab.h
 
 #sbin_UTILITIES += grub-emu
-util/grub-emu.c_DEPENDENCIES = grub_emu_init.h
 kernel_img_RELOCATABLE = yes
 pkglib_PROGRAMS = kernel.img
 kernel_img_SOURCES = kern/device.c kern/disk.c kern/dl.c  kern/env.c	\
@@ -18,9 +17,9 @@ kernel_img_SOURCES = kern/device.c kern/disk.c kern/dl.c  kern/env.c	\
 	kern/rescue_reader.c kern/rescue_parser.c			\
 	\
 	util/console.c  util/grub-emu.c util/misc.c			\
-	util/hostdisk.c util/getroot.c					\
+	util/hostdisk.c util/getroot.c util/mm.c			\
 	\
-	gnulib/progname.c util/hostfs.c
+	gnulib/progname.c util/hostfs.c disk/host.c
 kernel_img_HEADERS = boot.h cache.h device.h disk.h dl.h elf.h elfload.h \
 	env.h err.h file.h fs.h kernel.h loader.h misc.h mm.h net.h parser.h \
 	partition.h msdos_partition.h reader.h symbol.h term.h time.h types.h \
@@ -30,9 +29,15 @@ kernel_img_LDFLAGS = $(COMMON_LDFLAGS)
 TARGET_NO_STRIP = yes
 
 ifneq ($(TARGET_NO_MODULES), yes)
-kernel_img_SOURCES += symlist.c
+kernel_img_SOURCES += symlist.c kern/$(target_cpu)/dl.c
+ifneq ($(target_cpu), i386)
+ifneq ($(target_cpu), x86_64)
+kernel_img_SOURCES += kern/$(target_cpu)/cache.S
+endif
+endif
 else
 kernel_img_SOURCES += grub_emu_init.c
+grub_emu_init.c_DEPENDENCIES = grub_emu_init.h
 endif
 
 # For boot.mod.
@@ -41,12 +46,6 @@ boot_mod_SOURCES = commands/boot.c lib/i386/pc/biosnum.c
 boot_mod_CFLAGS = $(COMMON_CFLAGS)
 boot_mod_LDFLAGS = $(COMMON_LDFLAGS)
 
-# For host.mod.
-pkglib_MODULES += host.mod
-host_mod_SOURCES = disk/host.c
-host_mod_CFLAGS = $(COMMON_CFLAGS)
-host_mod_LDFLAGS = $(COMMON_LDFLAGS)
-
 # For reboot.mod.
 pkglib_MODULES += reboot.mod
 reboot_mod_SOURCES = commands/reboot.c

conf/common.rmk

@@ -22,7 +22,7 @@ util/elf/grub-mkimage.c_DEPENDENCIES = Makefile
 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/hostdisk.c	util/misc.c util/getroot.c util/mm.c	\
 	kern/device.c kern/disk.c kern/err.c kern/misc.c	\
 	kern/parser.c kern/partition.c kern/file.c		\
 	\
@@ -57,7 +57,7 @@ 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 \
-	util/misc.c 	\
+	util/misc.c util/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	\
@@ -95,7 +95,7 @@ grub_bin2h_SOURCES = gnulib/progname.c util/bin2h.c
 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/grub-script-check.c util/misc.c util/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
@@ -159,7 +159,7 @@ 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 kern/misc.c kern/err.c
+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
 CLEANFILES += grub-editenv
 
 # Needed for genmk.rb to work
@@ -760,7 +760,7 @@ password_pbkdf2_mod_CFLAGS = $(COMMON_CFLAGS)
 password_pbkdf2_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 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 util/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

util/grub-emu.c

@@ -38,8 +38,6 @@
 #include <grub/partition.h>
 #include <grub/i18n.h>
 
-#include <grub_emu_init.h>
-
 #define ENABLE_RELOCATABLE 0
 #include "progname.h"
 
@@ -55,6 +53,7 @@ grub_arch_modules_addr (void)
   return 0;
 }
 
+#if GRUB_NO_MODULES
 grub_err_t
 grub_arch_dl_check_header (void *ehdr)
 {
@@ -71,6 +70,7 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
 
   return GRUB_ERR_BAD_MODULE;
 }
+#endif
 
 void
 grub_reboot (void)
@@ -148,6 +148,8 @@ usage (int status)
 
 void grub_hostfs_init (void);
 void grub_hostfs_fini (void);
+void grub_host_init (void);
+void grub_host_fini (void);
 
 int
 main (int argc, char *argv[])
@@ -207,6 +209,7 @@ main (int argc, char *argv[])
 
   signal (SIGINT, SIG_IGN);
   grub_console_init ();
+  grub_host_init ();
   grub_hostfs_init ();
 
   /* XXX: This is a bit unportable.  */
@@ -232,7 +235,10 @@ main (int argc, char *argv[])
 	}
     }
 
-  dir = grub_get_prefix (dir);
+  if (strcmp (root_dev, "host") == 0)
+    dir = xstrdup (dir);
+  else
+    dir = grub_get_prefix (dir);
   prefix = xmalloc (strlen (root_dev) + 2 + strlen (dir) + 1);
   sprintf (prefix, "(%s)%s", root_dev, dir);
   free (dir);
@@ -245,6 +251,7 @@ main (int argc, char *argv[])
   grub_fini_all ();
 #endif
   grub_hostfs_fini ();
+  grub_host_fini ();
 
   grub_machine_fini ();
 

util/hostdisk.c

@@ -168,7 +168,7 @@ grub_util_biosdisk_open (const char *name, grub_disk_t disk)
 
   drive = find_grub_drive (name);
   if (drive < 0)
-    return grub_error (GRUB_ERR_BAD_DEVICE,
+    return grub_error (GRUB_ERR_UNKNOWN_DEVICE,
 		       "no mapping exists for `%s'", name);
 
   disk->has_partitions = 1;
@@ -949,7 +949,7 @@ grub_util_biosdisk_get_grub_dev (const char *os_dev)
   drive = find_system_device (os_dev);
   if (drive < 0)
     {
-      grub_error (GRUB_ERR_BAD_DEVICE,
+      grub_error (GRUB_ERR_UNKNOWN_DEVICE,
 		  "no mapping exists for `%s'", os_dev);
       return 0;
     }

util/misc.c

@@ -262,56 +262,6 @@ grub_util_write_image (const char *img, size_t size, FILE *out)
     grub_util_error ("write failed");
 }
 
-void *
-grub_malloc (grub_size_t size)
-{
-  return xmalloc (size);
-}
-
-void *
-grub_zalloc (grub_size_t size)
-{
-  void *ret;
-
-  ret = xmalloc (size);
-  memset (ret, 0, size);
-  return ret;
-}
-
-void
-grub_free (void *ptr)
-{
-  free (ptr);
-}
-
-void *
-grub_realloc (void *ptr, grub_size_t size)
-{
-  return xrealloc (ptr, size);
-}
-
-void *
-grub_memalign (grub_size_t align, grub_size_t size)
-{
-  void *p;
-
-#if defined(HAVE_POSIX_MEMALIGN)
-  if (posix_memalign (&p, align, size) != 0)
-    p = 0;
-#elif defined(HAVE_MEMALIGN)
-  p = memalign (align, size);
-#else
-  (void) align;
-  (void) size;
-  grub_util_error ("grub_memalign is not supported");
-#endif
-
-  if (! p)
-    grub_util_error ("out of memory");
-
-  return p;
-}
-
 /* Some functions that we don't use.  */
 void
 grub_mm_init_region (void *addr __attribute__ ((unused)),
@@ -376,7 +326,7 @@ grub_millisleep (grub_uint32_t ms)
 
 #endif
 
-#if !(defined (__i386__) || defined (__x86_64__))
+#if !(defined (__i386__) || defined (__x86_64__)) && GRUB_NO_MODULES
 void
 grub_arch_sync_caches (void *address __attribute__ ((unused)),
 		       grub_size_t len __attribute__ ((unused)))