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Diffstat (limited to 'firmware/lib20/include/vb2_struct.h')
| -rw-r--r-- | firmware/lib20/include/vb2_struct.h | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/firmware/lib20/include/vb2_struct.h b/firmware/lib20/include/vb2_struct.h deleted file mode 100644 index 75330c18..00000000 --- a/firmware/lib20/include/vb2_struct.h +++ /dev/null @@ -1,188 +0,0 @@ -/* Copyright (c) 2014 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - * - * Vboot 2.0 data structures (compatible with vboot1) - * - * Note: Many of the structs have pairs of 32-bit fields and reserved fields. - * This is to be backwards-compatible with older verified boot data which used - * 64-bit fields (when we thought that hey, UEFI is 64-bit so all our fields - * should be too). - * - * Offsets should be padded to 32-bit boundaries, since some architectures - * have trouble with accessing unaligned integers. - */ - -#ifndef VBOOT_REFERENCE_VB2_STRUCT_H_ -#define VBOOT_REFERENCE_VB2_STRUCT_H_ - -#include <stdint.h> - -/* - * Rollback protection currently uses a 32-bit value comprised of the bottom 16 - * bits of the (firmware or kernel) preamble version and the bottom 16 bits of - * the key version. So each of those versions is effectively limited to 16 - * bits even though they get stored in 32-bit fields. - */ -#define VB2_MAX_KEY_VERSION 0xffff -#define VB2_MAX_PREAMBLE_VERSION 0xffff - -/* Firmware preamble header */ -#define FIRMWARE_PREAMBLE_HEADER_VERSION_MAJOR 2 -#define FIRMWARE_PREAMBLE_HEADER_VERSION_MINOR 1 - -/* Flags for vb2_fw_preamble.flags */ -/* Use RO-normal firmware (deprecated; do not use) */ -#define VB2_FIRMWARE_PREAMBLE_USE_RO_NORMAL 0x00000001 -/* Do not allow use of any hardware crypto accelerators. */ -#define VB2_FIRMWARE_PREAMBLE_DISALLOW_HWCRYPTO 0x00000002 - -/* Premable block for rewritable firmware, vboot1 version 2.1. - * - * The firmware preamble header should be followed by: - * 1) The kernel_subkey key data, pointed to by kernel_subkey.key_offset. - * 2) The signature data for the firmware body, pointed to by - * body_signature.sig_offset. - * 3) The signature data for (header + kernel_subkey data + body signature - * data), pointed to by preamble_signature.sig_offset. - */ -struct vb2_fw_preamble { - /* - * Size of this preamble, including keys, signatures, and padding, in - * bytes - */ - uint32_t preamble_size; - uint32_t reserved0; - - /* - * Signature for this preamble (header + kernel subkey + body - * signature) - */ - struct vb2_signature preamble_signature; - - /* Version of this header format */ - uint32_t header_version_major; - uint32_t header_version_minor; - - /* Firmware version */ - uint32_t firmware_version; - uint32_t reserved1; - - /* Key to verify kernel keyblock */ - struct vb2_packed_key kernel_subkey; - - /* Signature for the firmware body */ - struct vb2_signature body_signature; - - /* - * Fields added in header version 2.1. You must verify the header - * version before reading these fields! - */ - - /* - * Flags; see VB2_FIRMWARE_PREAMBLE_*. Readers should return 0 for - * header version < 2.1. - */ - uint32_t flags; -} __attribute__((packed)); - -#define EXPECTED_VB2_FW_PREAMBLE_SIZE 108 - -/* Kernel preamble header */ -#define KERNEL_PREAMBLE_HEADER_VERSION_MAJOR 2 -#define KERNEL_PREAMBLE_HEADER_VERSION_MINOR 2 - -/* Flags for vb2_kernel_preamble.flags */ -/* Kernel image type = bits 1:0 */ -#define VB2_KERNEL_PREAMBLE_KERNEL_TYPE_MASK 0x00000003 -#define VB2_KERNEL_PREAMBLE_KERNEL_TYPE_CROS 0 -#define VB2_KERNEL_PREAMBLE_KERNEL_TYPE_BOOTIMG 1 -#define VB2_KERNEL_PREAMBLE_KERNEL_TYPE_MULTIBOOT 2 -/* Kernel type 3 is reserved for future use */ - -/* - * Preamble block for kernel, version 2.2 - * - * This should be followed by: - * 1) The signature data for the kernel body, pointed to by - * body_signature.sig_offset. - * 2) The signature data for (vb2_kernel_preamble + body signature data), - * pointed to by preamble_signature.sig_offset. - * 3) The 16-bit vmlinuz header, which is used for reconstruction of - * vmlinuz image. - */ -struct vb2_kernel_preamble { - /* - * Size of this preamble, including keys, signatures, vmlinuz header, - * and padding, in bytes - */ - uint32_t preamble_size; - uint32_t reserved0; - - /* Signature for this preamble (header + body signature) */ - struct vb2_signature preamble_signature; - - /* Version of this header format */ - uint32_t header_version_major; - uint32_t header_version_minor; - - /* Kernel version */ - uint32_t kernel_version; - uint32_t reserved1; - - /* Load address for kernel body */ - uint64_t body_load_address; - /* TODO (vboot 2.1): we never used that */ - - /* Address of bootloader, after body is loaded at body_load_address */ - uint64_t bootloader_address; - /* TODO (vboot 2.1): should be a 32-bit offset */ - - /* Size of bootloader in bytes */ - uint32_t bootloader_size; - uint32_t reserved2; - - /* Signature for the kernel body */ - struct vb2_signature body_signature; - - /* - * TODO (vboot 2.1): fields for kernel offset and size. Right now the - * size is implicitly the same as the size of data signed by the body - * signature, and the offset is implicitly at the end of the preamble. - * But that forces us to pad the preamble to 64KB rather than just - * having a tiny preamble and an offset field. - */ - - /* - * Fields added in header version 2.1. You must verify the header - * version before reading these fields! - */ - - /* - * Address of 16-bit header for vmlinuz reassembly. Readers should - * return 0 for header version < 2.1. - */ - uint64_t vmlinuz_header_address; - - /* Size of 16-bit header for vmlinuz in bytes. Readers should return 0 - for header version < 2.1 */ - uint32_t vmlinuz_header_size; - uint32_t reserved3; - - /* - * Fields added in header version 2.2. You must verify the header - * version before reading these fields! - */ - - /* - * Flags; see VB2_KERNEL_PREAMBLE_*. Readers should return 0 for - * header version < 2.2. - */ - uint32_t flags; -} __attribute__((packed)); - -#define EXPECTED_VB2_KERNEL_PREAMBLE_2_0_SIZE 96 -#define EXPECTED_VB2_KERNEL_PREAMBLE_2_1_SIZE 112 -#define EXPECTED_VB2_KERNEL_PREAMBLE_2_2_SIZE 116 - -#endif /* VBOOT_REFERENCE_VB2_STRUCT_H_ */ |