Hi,
This patch move the elf program header to the beginning, it should
solve the problem with coreboot.
--
Bean
diff --git a/util/elf/grub-mkimage.c b/util/elf/grub-mkimage.c
index ca138dd..51c4e54 100644
--- a/util/elf/grub-mkimage.c
+++ b/util/elf/grub-mkimage.c
@@ -166,8 +166,8 @@ add_segments (char *dir, FILE *out, int chrp, char *mods[])
FILE *in;
char *kernel_path;
grub_addr_t grub_end = 0;
- off_t phdroff;
- int i;
+ off_t offset;
+ int i, phdr_size;
/* Read ELF header. */
kernel_path = grub_util_get_path (dir, "kernel.elf");
@@ -177,8 +177,21 @@ add_segments (char *dir, FILE *out, int chrp, char *mods[])
grub_util_read_at (&ehdr, sizeof (ehdr), 0, in);
- phdrs = xmalloc (grub_target_to_host16 (ehdr.e_phentsize)
- * (grub_target_to_host16 (ehdr.e_phnum) + 2));
+ offset = ALIGN_UP (sizeof (ehdr), sizeof (long));
+ ehdr.e_phoff = grub_host_to_target32 (offset);
+
+ phdr_size = (grub_target_to_host16 (ehdr.e_phentsize) *
+ grub_target_to_host16 (ehdr.e_phnum));
+
+ if (mods[0] != NULL)
+ phdr_size += grub_target_to_host16 (ehdr.e_phentsize);
+
+ if (chrp)
+ phdr_size += grub_target_to_host16 (ehdr.e_phentsize);
+
+ phdrs = xmalloc (phdr_size);
+ offset += ALIGN_UP (phdr_size, sizeof (long));
+
/* Copy all existing segments. */
for (i = 0; i < grub_target_to_host16 (ehdr.e_phnum); i++)
{
@@ -207,8 +220,11 @@ add_segments (char *dir, FILE *out, int chrp, char *mods[])
grub_util_read_at (segment_img, grub_target_to_host32 (phdr->p_filesz),
grub_target_to_host32 (phdr->p_offset), in);
+
+ phdr->p_offset = grub_host_to_target32 (offset);
grub_util_write_image_at (segment_img, grub_target_to_host32 (phdr->p_filesz),
- grub_target_to_host32 (phdr->p_offset), out);
+ offset, out);
+ offset += ALIGN_UP (grub_target_to_host32 (phdr->p_filesz), sizeof (long));
free (segment_img);
}
@@ -249,14 +265,10 @@ add_segments (char *dir, FILE *out, int chrp, char *mods[])
ehdr.e_shnum = 0;
ehdr.e_shstrndx = 0;
- /* Append entire segment table to the file. */
- phdroff = ALIGN_UP (grub_util_get_fp_size (out), sizeof (long));
- grub_util_write_image_at (phdrs, grub_target_to_host16 (ehdr.e_phentsize)
- * grub_target_to_host16 (ehdr.e_phnum), phdroff,
- out);
+ /* Write entire segment table to the file. */
+ grub_util_write_image_at (phdrs, phdr_size, grub_target_to_host32 (ehdr.e_phoff), out);
/* Write ELF header. */
- ehdr.e_phoff = grub_host_to_target32 (phdroff);
grub_util_write_image_at (&ehdr, sizeof (ehdr), 0, out);
free (phdrs);
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