Adding upstream version 2.06.upstream/2.06upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 153 insertions, 0 deletions

diff --git a/util/glue-efi.c b/util/glue-efi.c
new file mode 100644
index 0000000..de0fa6d
--- /dev/null
+++ b/util/glue-efi.c
@@ -0,0 +1,153 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2010,2012,2013 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/util/misc.h>
+#include <grub/util/install.h>
+#include <grub/i18n.h>
+#include <grub/term.h>
+#include <grub/macho.h>
+
+#define _GNU_SOURCE	1
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+
+static void
+write_fat (FILE *in32, FILE *in64, FILE *out, const char *out_filename,
+	   const char *name32, const char *name64)
+{
+  struct grub_macho_fat_header head;
+  struct grub_macho_fat_arch arch32, arch64;
+  grub_uint32_t size32, size64;
+  long size;
+  char *buf;
+
+  fseek (in32, 0, SEEK_END);
+  size = ftell (in32);
+  if (size < 0)
+    grub_util_error ("cannot get end of input file '%s': %s",
+		     name32, strerror (errno));
+  size32 = (grub_uint32_t) size;
+  fseek (in32, 0, SEEK_SET);
+
+  fseek (in64, 0, SEEK_END);
+  size = ftell (in64);
+  if (size < 0)
+    grub_util_error ("cannot get end of input file '%s': %s",
+		     name64, strerror (errno));
+  size64 = (grub_uint64_t) size;
+  fseek (in64, 0, SEEK_SET);
+
+  head.magic = grub_cpu_to_le32_compile_time (GRUB_MACHO_FAT_EFI_MAGIC);
+  head.nfat_arch = grub_cpu_to_le32_compile_time (2);
+  arch32.cputype = grub_cpu_to_le32_compile_time (GRUB_MACHO_CPUTYPE_IA32);
+  arch32.cpusubtype = grub_cpu_to_le32_compile_time (3);
+  arch32.offset = grub_cpu_to_le32_compile_time (sizeof (head)
+						 + sizeof (arch32)
+						 + sizeof (arch64));
+  arch32.size = grub_cpu_to_le32 (size32);
+  arch32.align = 0;
+
+  arch64.cputype = grub_cpu_to_le32_compile_time (GRUB_MACHO_CPUTYPE_AMD64);
+  arch64.cpusubtype = grub_cpu_to_le32_compile_time (3);
+  arch64.offset = grub_cpu_to_le32 (sizeof (head) + sizeof (arch32)
+				    + sizeof (arch64) + size32);
+  arch64.size = grub_cpu_to_le32 (size64);
+  arch64.align = 0;
+  if (fwrite (&head, 1, sizeof (head), out) != sizeof (head)
+      || fwrite (&arch32, 1, sizeof (arch32), out) != sizeof (arch32)
+      || fwrite (&arch64, 1, sizeof (arch64), out) != sizeof (arch64))
+    {
+      if (out_filename)
+	grub_util_error ("cannot write to `%s': %s",
+			 out_filename, strerror (errno));
+      else
+	grub_util_error ("cannot write to the stdout: %s", strerror (errno));
+    }
+
+  buf = xmalloc (size32);
+  if (fread (buf, 1, size32, in32) != size32)
+    grub_util_error (_("cannot read `%s': %s"), name32,
+                     strerror (errno));
+  if (fwrite (buf, 1, size32, out) != size32)
+    {
+      if (out_filename)
+	grub_util_error ("cannot write to `%s': %s", 
+			 out_filename, strerror (errno));
+      else
+	grub_util_error ("cannot write to the stdout: %s", strerror (errno));
+    }
+  free (buf);
+
+  buf = xmalloc (size64);
+  if (fread (buf, 1, size64, in64) != size64)
+    grub_util_error (_("cannot read `%s': %s"), name64,
+                     strerror (errno));
+  if (fwrite (buf, 1, size64, out) != size64)
+    {
+      if (out_filename)
+	grub_util_error ("cannot write to `%s': %s",
+			 out_filename, strerror (errno));
+      else
+	grub_util_error ("cannot write to the stdout: %s", strerror (errno));
+    }
+  free (buf);
+}
+
+void
+grub_util_glue_efi (const char *file32, const char *file64, const char *outname)
+{
+  FILE *in32, *in64, *out;
+
+  in32 = grub_util_fopen (file32, "r");
+
+  if (!in32)
+    grub_util_error (_("cannot open `%s': %s"), file32,
+		     strerror (errno));
+
+  in64 = grub_util_fopen (file64, "r");
+  if (!in64)
+    grub_util_error (_("cannot open `%s': %s"), file64,
+		     strerror (errno));
+
+  if (outname)
+    out = grub_util_fopen (outname, "wb");
+  else
+    out = stdout;
+
+  if (!out)
+    {
+      grub_util_error (_("cannot open `%s': %s"), outname ? : "stdout",
+		       strerror (errno));
+    }
+
+  write_fat (in32, in64, out, outname,
+	     file32, file64);
+
+  fclose (in32);
+  fclose (in64);
+
+  if (out != stdout)
+    fclose (out);
+}
+