1 files changed, 65 insertions, 0 deletions
diff --git a/sysutils/syslinux/files/patch-boot_option b/sysutils/syslinux/files/patch-boot_option
new file mode 100644
index 000000000000..93e8f9a3bdba
--- /dev/null
+++ b/sysutils/syslinux/files/patch-boot_option
@@ -0,0 +1,65 @@
+diff -ubwr ../../work.2/syslinux-3.72/mtools/syslinux.c ./mtools/syslinux.c
+--- ../../work.2/syslinux-3.72/mtools/syslinux.c	2008-11-26 13:32:57.000000000 +0100
++++ ./mtools/syslinux.c	2008-11-26 14:07:05.000000000 +0100
+@@ -123,6 +123,52 @@
+   return xpread(pp, buf, secsize, offset);
+ }
+ 
++/*
++ * load a file to be used as boot image
++ */
++static int load_boot_image(const char *name)
++{
++  int l, fd;
++  struct stat sb;
++  unsigned char *buf;
++
++  memset(&sb, 0, sizeof(sb));
++  fd = open(name, O_RDONLY);
++  if (fd < 0) {
++    fprintf(stderr, "cannot open boot image %s\n", name);
++    return 1;
++  }
++  if (fstat(fd, &sb)) {
++    fprintf(stderr, "cannot stat boot image %s\n", name);
++    return 1;
++  }
++  if ( (sb.st_mode & S_IFREG) == 0) {
++    fprintf(stderr, "boot image %s is not a file 0x%x\n", name, sb.st_mode);
++    return 1;
++  }
++  if (sb.st_size < 1024 || sb.st_size > 0x8000) {
++    fprintf(stderr, "boot image %s bad size %lld\n", name, sb.st_size);
++    return 1;
++  }
++  buf = calloc(1, sb.st_size);
++  if (buf == NULL) {
++    fprintf(stderr, "malloc failed for boot image %s\n", name);
++    return 1;
++  }
++  l = read(fd, buf, sb.st_size);
++  if (l != sb.st_size) {
++    fprintf(stderr, "read failed for boot image %s got %d\n", name, l);
++    return 1;
++  }
++  if (buf[0] != 0xeb || buf[0x200] != 0x0d) {
++    fprintf(stderr, "bad content for boot image %s\n", name);
++    return 1;
++  }
++  syslinux_bootsect = buf;
++  syslinux_ldlinux = buf + 512;
++  syslinux_ldlinux_len = sb.st_size - 512;
++  return 0;
++}
+ 
+ int main(int argc, char *argv[])
+ {
+@@ -163,6 +209,8 @@
+ 	  stupid = 1;
+ 	} else if ( *opt == 'v' ) {
+ 	  verbose++;
++	} else if ( *opt == 'b' && argp[1] ) {
++	   load_boot_image(*++argp);
+ 	} else if ( *opt == 'r' ) {
+ 	  raid_mode = 1;
+ 	} else if ( *opt == 'f' ) {