merge with mainline

kern/corecmd.c

@@ -26,6 +26,7 @@
 #include <grub/file.h>
 #include <grub/device.h>
 #include <grub/command.h>
+#include <grub/i18n.h>
 
 /* set ENVVAR=VALUE */
 static grub_err_t
@@ -178,11 +179,13 @@ void
 grub_register_core_commands (void)
 {
   grub_register_command ("set", grub_core_cmd_set,
-			 "[ENVVAR=VALUE]", "Set an environment variable.");
+			 N_("[ENVVAR=VALUE]"),
+			 N_("Set an environment variable."));
   grub_register_command ("unset", grub_core_cmd_unset,
-			 "ENVVAR", "Remove an environment variable.");
+			 N_("ENVVAR"),
+			 N_("Remove an environment variable."));
   grub_register_command ("ls", grub_core_cmd_ls,
-			 "[ARG]", "List devices or files.");
+			 N_("[ARG]"), N_("List devices or files."));
   grub_register_command ("insmod", grub_core_cmd_insmod,
-			 "MODULE", "Insert a module.");
+			 N_("MODULE"), N_("Insert a module."));
 }

kern/emu/getroot.c

@@ -22,8 +22,10 @@
 #include <unistd.h>
 #include <string.h>
 #include <dirent.h>
+#include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <stdint.h>
 
 #ifdef __CYGWIN__
 # include <sys/fcntl.h>
@@ -83,103 +85,6 @@ xgetcwd (void)
   return path;
 }
 
-#ifdef __CYGWIN__
-/* Convert POSIX path to Win32 path,
-   remove drive letter, replace backslashes.  */
-static char *
-get_win32_path (const char *path)
-{
-  char winpath[PATH_MAX];
-  cygwin_conv_to_full_win32_path (path, winpath);
-
-  int len = strlen (winpath);
-  if (len > 2 && winpath[1] == ':')
-    {
-      len -= 2;
-      memmove (winpath, winpath + 2, len + 1);
-    }
-
-  int i;
-  for (i = 0; i < len; i++)
-    if (winpath[i] == '\\')
-      winpath[i] = '/';
-  return xstrdup (winpath);
-}
-#endif
-
-char *
-grub_get_prefix (const char *dir)
-{
-  char *saved_cwd;
-  char *abs_dir, *prev_dir;
-  char *prefix;
-  struct stat st, prev_st;
-
-  /* Save the current directory.  */
-  saved_cwd = xgetcwd ();
-
-  if (chdir (dir) < 0)
-    grub_util_error ("cannot change directory to `%s'", dir);
-
-  abs_dir = xgetcwd ();
-  strip_extra_slashes (abs_dir);
-  prev_dir = xstrdup (abs_dir);
-
-  if (stat (".", &prev_st) < 0)
-    grub_util_error ("cannot stat `%s'", dir);
-
-  if (! S_ISDIR (prev_st.st_mode))
-    grub_util_error ("`%s' is not a directory", dir);
-
-  while (1)
-    {
-      if (chdir ("..") < 0)
-	grub_util_error ("cannot change directory to the parent");
-
-      if (stat (".", &st) < 0)
-	grub_util_error ("cannot stat current directory");
-
-      if (! S_ISDIR (st.st_mode))
-	grub_util_error ("current directory is not a directory???");
-
-      if (prev_st.st_dev != st.st_dev || prev_st.st_ino == st.st_ino)
-	break;
-
-      free (prev_dir);
-      prev_dir = xgetcwd ();
-      prev_st = st;
-    }
-
-  strip_extra_slashes (prev_dir);
-  prefix = xmalloc (strlen (abs_dir) - strlen (prev_dir) + 2);
-  prefix[0] = '/';
-  strcpy (prefix + 1, abs_dir + strlen (prev_dir));
-  strip_extra_slashes (prefix);
-
-  if (chdir (saved_cwd) < 0)
-    grub_util_error ("cannot change directory to `%s'", dir);
-
-#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 prefix = %s", prefix);
-      char * wprefix = get_win32_path (prefix);
-      free (prefix);
-      prefix = wprefix;
-    }
-#endif
-
-  free (saved_cwd);
-  free (abs_dir);
-  free (prev_dir);
-
-  grub_util_info ("prefix = %s", prefix);
-  return prefix;
-}
-
 #ifdef __MINGW32__
 
 static char *
@@ -641,4 +546,3 @@ grub_util_check_char_device (const char *blk_dev)
   else
     return 0;
 }
-

kern/emu/main.c

@@ -246,7 +246,7 @@ main (int argc, char *argv[])
   if (strcmp (root_dev, "host") == 0)
     dir = xstrdup (dir);
   else
-    dir = grub_get_prefix (dir);
+    dir = grub_make_system_path_relative_to_its_root (dir);
   prefix = xmalloc (strlen (root_dev) + 2 + strlen (dir) + 1);
   sprintf (prefix, "(%s)%s", root_dev, dir);
   free (dir);

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>
@@ -171,3 +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;
+}

kern/i386/coreboot/init.c

@@ -117,7 +117,9 @@ grub_machine_init (void)
     return 0;
   }
 
+#if defined (GRUB_MACHINE_MULTIBOOT) || defined (GRUB_MACHINE_QEMU)
   grub_machine_mmap_init ();
+#endif
   grub_machine_mmap_iterate (heap_init);
 
   grub_tsc_init ();

kern/i386/coreboot/mmap.c

@@ -57,13 +57,23 @@ signature_found:
 			       (long) table_header->size);
   for (; table_item->size;
        table_item = (grub_linuxbios_table_item_t) ((long) table_item + (long) table_item->size))
-    if (hook (table_item))
-      return 1;
+    {
+      if (table_item->tag == GRUB_LINUXBIOS_MEMBER_LINK
+         && check_signature ((grub_linuxbios_table_header_t) (grub_addr_t)
+                             *(grub_uint64_t *) (table_item + 1)))
+       {
+         table_header = (grub_linuxbios_table_header_t) (grub_addr_t)
+           *(grub_uint64_t *) (table_item + 1);
+         goto signature_found;   
+       }
+      if (hook (table_item))
+       return 1;
+    }
 
   return 0;
 }
 
-void
+grub_err_t
 grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uint64_t, grub_uint32_t))
 {
   mem_region_t mem_region;

kern/i386/coreboot/startup.S

@@ -66,10 +66,12 @@ multiboot_header:
 	.long	-0x1BADB002 - MULTIBOOT_MEMORY_INFO
 
 codestart:
+#ifdef GRUB_MACHINE_MULTIBOOT
 	cmpl	$MULTIBOOT_BOOTLOADER_MAGIC, %eax
 	jne 0f
 	movl	%ebx, EXT_C(startup_multiboot_info)
 0:
+#endif
 
 	/* initialize the stack */
 	movl $GRUB_MEMORY_MACHINE_PROT_STACK, %esp

kern/main.c

@@ -102,7 +102,7 @@ grub_load_config (void)
   auto int hook (struct grub_module_header *);
   int hook (struct grub_module_header *header)
     {
-      /* Not an ELF module, skip.  */
+      /* Not an embedded config, skip.  */
       if (header->type != OBJ_TYPE_CONFIG)
 	return 0;
 

kern/mm.c

@@ -148,15 +148,14 @@ grub_mm_init_region (void *addr, grub_size_t size)
   grub_printf ("Using memory for heap: start=%p, end=%p\n", addr, addr + (unsigned int) size);
 #endif
 
-  /* If this region is too small, ignore it.  */
-  if (size < GRUB_MM_ALIGN * 2)
-    return;
-
   /* Allocate a region from the head.  */
-  r = (grub_mm_region_t) (((grub_addr_t) addr + GRUB_MM_ALIGN - 1)
-			  & (~(GRUB_MM_ALIGN - 1)));
+  r = (grub_mm_region_t) ALIGN_UP ((grub_addr_t) addr, GRUB_MM_ALIGN);
   size -= (char *) r - (char *) addr + sizeof (*r);
 
+  /* If this region is too small, ignore it.  */
+  if (size < GRUB_MM_ALIGN)
+    return;
+
   h = (grub_mm_header_t) ((char *) r + GRUB_MM_ALIGN);
   h->next = h;
   h->magic = GRUB_MM_FREE_MAGIC;
@@ -221,9 +220,8 @@ grub_real_malloc (grub_mm_header_t *first, grub_size_t n, grub_size_t align)
 	         +---------------+          v
 	       */
 	      q->next = p->next;
-	      p->magic = GRUB_MM_ALLOC_MAGIC;
 	    }
-	  else if (extra == 0 || p->size == n + extra)
+	  else if (align == 1 || p->size == n + extra)
 	    {
 	      /* There might be alignment requirement, when taking it into
 	         account memory block fits in.
@@ -240,10 +238,25 @@ grub_real_malloc (grub_mm_header_t *first, grub_size_t n, grub_size_t align)
 	         | alloc, size=n |        |
 	         +---------------+        v
 	       */
+
 	      p->size -= n;
 	      p += p->size;
-	      p->size = n;
-	      p->magic = GRUB_MM_ALLOC_MAGIC;
+	    }
+	  else if (extra == 0)
+	    {
+	      grub_mm_header_t r;
+	      
+	      r = p + extra + n;
+	      r->magic = GRUB_MM_FREE_MAGIC;
+	      r->size = p->size - extra - n;
+	      r->next = p->next;
+	      q->next = r;
+
+	      if (q == p)
+		{
+		  q = r;
+		  r->next = r;
+		}
 	    }
 	  else
 	    {
@@ -276,10 +289,11 @@ grub_real_malloc (grub_mm_header_t *first, grub_size_t n, grub_size_t align)
 	      p->size = extra;
 	      p->next = r;
 	      p += extra;
-	      p->size = n;
-	      p->magic = GRUB_MM_ALLOC_MAGIC;
 	    }
 
+	  p->magic = GRUB_MM_ALLOC_MAGIC;
+	  p->size = n;
+
 	  /* Mark find as a start marker for next allocation to fasten it.
 	     This will have side effect of fragmenting memory as small
 	     pieces before this will be un-used.  */

kern/parser.c

@@ -249,12 +249,11 @@ grub_parser_execute (char *source)
       }
 
     p = grub_strchr (source, '\n');
-    if (p)
-      *p = 0;
 
-    *line = grub_strdup (source);
     if (p)
-      *p = '\n';
+      *line = grub_strndup (source, p - source);
+    else
+      *line = grub_strdup (source);
     source = p ? p + 1 : 0;
     return 0;
   }