diff options
Diffstat (limited to 'firmware/include/vboot_struct.h')
| -rw-r--r-- | firmware/include/vboot_struct.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/firmware/include/vboot_struct.h b/firmware/include/vboot_struct.h index 48a4f6b1..0f6b98d9 100644 --- a/firmware/include/vboot_struct.h +++ b/firmware/include/vboot_struct.h @@ -76,6 +76,42 @@ typedef struct VbKeyBlockHeader { #define EXPECTED_VBKEYBLOCKHEADER_SIZE 112 +/****************************************************************************/ + +#define EC_PREAMBLE_HEADER_VERSION_MAJOR 1 +#define EC_PREAMBLE_HEADER_VERSION_MINOR 0 + +/* Flags for VbECPreambleHeader.flags */ + +/* Use the normal boot path from the read-only firmware, instead + * of verifying the body signature. */ +#define VB_EC_PREAMBLE_USE_RO_NORMAL 0x00000001 + +/* Premable block for EC rewritable firmware, version 1.0 */ +typedef struct VbECPreambleHeader { + uint64_t preamble_size; /* Size of this preamble, including keys, + * signatures, and padding, in bytes */ + VbSignature preamble_signature; /* Signature for this preamble + * (header + * body signature) */ + uint32_t header_version_major; /* Version of this header format */ + uint32_t header_version_minor; /* Version of this header format */ + + uint64_t firmware_version; /* Firmware version */ + VbSignature body_digest; /* Digest for the firmware body */ + + uint32_t flags; /* Flags; see VB_EC_PREAMBLE_* */ + char name[128]; /* Human-readable ASCII, null-padded */ +} __attribute__((packed)) VbECPreambleHeader; + +#define EXPECTED_VB_EC_PREAMBLE_HEADER1_0_SIZE 76 + +/* The firmware preamble header should be followed by: + * 2) The signature data for the firmware body, pointed to by + * body_signature.sig_offset. + * 3) The signature data for (header + body signature data), pointed + * to by preamble_signature.sig_offset. */ + +/****************************************************************************/ #define FIRMWARE_PREAMBLE_HEADER_VERSION_MAJOR 2 #define FIRMWARE_PREAMBLE_HEADER_VERSION_MINOR 1 @@ -134,6 +170,7 @@ typedef struct VbFirmwarePreambleHeader { * 3) The signature data for (header + kernel_subkey data + body signature * data), pointed to by preamble_signature.sig_offset. */ +/****************************************************************************/ #define KERNEL_PREAMBLE_HEADER_VERSION_MAJOR 2 #define KERNEL_PREAMBLE_HEADER_VERSION_MINOR 0 @@ -162,6 +199,8 @@ typedef struct VbKernelPreambleHeader { #define EXPECTED_VBKERNELPREAMBLEHEADER_SIZE 96 +/****************************************************************************/ + /* Constants and sub-structures for VbSharedDataHeader */ /* Magic number for recognizing VbSharedDataHeader ("VbSD") */ |