diff options
Diffstat (limited to 'include/efi.h')
| -rw-r--r-- | include/efi.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/include/efi.h b/include/efi.h index 42f4e58..c3087d3 100644 --- a/include/efi.h +++ b/include/efi.h @@ -54,9 +54,18 @@ struct efi_device_path; +/* + * The EFI spec defines the EFI_GUID as + * "128-bit buffer containing a unique identifier value. Unless otherwise specified, + * aligned on a 64-bit boundary". + * Page 163 of the UEFI specification v2.10 and + * EDK2 reference implementation both define EFI_GUID as + * struct { u32 a; u16; b; u16 c; u8 d[8]; }; which is 4-byte + * aligned. + */ typedef struct { u8 b[16]; -} efi_guid_t __attribute__((aligned(8))); +} efi_guid_t __attribute__((aligned(4))); #define EFI_BITS_PER_LONG (sizeof(long) * 8) |