diff options
Diffstat (limited to 'arch/x86/boot/compressed/eboot.c')
| -rw-r--r-- | arch/x86/boot/compressed/eboot.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c index 0cdfc0d2315e..2c14e76bb4c7 100644 --- a/arch/x86/boot/compressed/eboot.c +++ b/arch/x86/boot/compressed/eboot.c @@ -904,11 +904,19 @@ struct boot_params *efi_main(void *handle, efi_system_table_t *_table) memset(boot_params, 0x0, 0x4000); - /* Copy first two sectors to boot_params */ - memcpy(boot_params, image->image_base, 1024); - hdr = &boot_params->hdr; + /* Copy the second sector to boot_params */ + memcpy(&hdr->jump, image->image_base + 512, 512); + + /* + * Fill out some of the header fields ourselves because the + * EFI firmware loader doesn't load the first sector. + */ + hdr->root_flags = 1; + hdr->vid_mode = 0xffff; + hdr->boot_flag = 0xAA55; + /* * The EFI firmware loader could have placed the kernel image * anywhere in memory, but the kernel has various restrictions |