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https://github.com/Telecominfraproject/OpenCellular.git
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d1bf3aecfa
This change just copies files shared between two repositories which have changed since the last sync up. This time it is as of @CL85098. BRANCH=none BUG=none TEST=the signed image boots fine on the b1 board. Change-Id: I7a1d1b344119e6f6729a38bbea04da75f2d3371c Signed-off-by: Vadim Bendebury <vbendeb@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/329407 Reviewed-by: Marius Schilder <mschilder@chromium.org> Reviewed-by: Bill Richardson <wfrichar@chromium.org>
79 lines
2.8 KiB
C
79 lines
2.8 KiB
C
/* Copyright 2015 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef __EC_UTIL_SIGNER_COMMON_SIGNED_HEADER_H
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#define __EC_UTIL_SIGNER_COMMON_SIGNED_HEADER_H
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#include <assert.h>
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#include <string.h>
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#include <inttypes.h>
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#define FUSE_PADDING 0x55555555 // baked in hw!
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#define FUSE_IGNORE 0xa3badaac // baked in rom!
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#define FUSE_MAX 128 // baked in rom!
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#define INFO_MAX 128 // baked in rom!
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#define INFO_IGNORE 0xaa3c55c3 // baked in rom!
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typedef struct SignedHeader {
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#ifdef __cplusplus
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SignedHeader() : magic(-1), image_size(0),
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epoch_(0x1337), major_(0), minor_(0xbabe),
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p4cl_(0), applysec_(0), config1_(0), err_response_(0), expect_response_(0) {
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memset(signature, 'S', sizeof(signature));
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memset(tag, 'T', sizeof(tag));
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memset(fusemap, 0, sizeof(fusemap));
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memset(infomap, 0, sizeof(infomap));
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memset(_pad, '3', sizeof(_pad));
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}
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void markFuse(uint32_t n) {
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assert(n < FUSE_MAX);
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fusemap[n / 32] |= 1 << (n & 31);
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}
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void markInfo(uint32_t n) {
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assert(n < INFO_MAX);
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infomap[n / 32] |= 1 << (n & 31);
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}
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void print() const {
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}
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#endif // __cplusplus
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uint32_t magic; // -1 (thanks, boot_sys!)
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uint32_t signature[96];
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uint32_t img_chk_; // top 32 bit of expected img_hash
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// --------------------- everything below is part of img_hash
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uint32_t tag[7]; // words 0-6 of RWR/FWR
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uint32_t keyid; // word 7 of RWR
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uint32_t key[96]; // public key to verify signature with
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uint32_t image_size;
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uint32_t ro_base; // readonly region
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uint32_t ro_max;
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uint32_t rx_base; // executable region
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uint32_t rx_max;
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uint32_t fusemap[FUSE_MAX / (8 * sizeof(uint32_t))];
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uint32_t infomap[INFO_MAX / (8 * sizeof(uint32_t))];
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uint32_t epoch_; // word 7 of FWR
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uint32_t major_; // keyladder count
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uint32_t minor_;
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uint64_t timestamp_; // time of signing
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uint32_t p4cl_;
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uint32_t applysec_; // bits to and with FUSE_FW_DEFINED_BROM_APPLYSEC
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uint32_t config1_; // bits to mesh with FUSE_FW_DEFINED_BROM_CONFIG1
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uint32_t err_response_; // bits to or with FUSE_FW_DEFINED_BROM_ERR_RESPONSE
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uint32_t expect_response_; // action to take when expectation is violated
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uint32_t _pad[256 - 1 - 96 - 1 - 7 - 1 - 96 - 5*1 - 4 - 4 - 9*1 - 2 - 1];
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uint32_t fuses_chk_; // top 32 bit of expected fuses hash
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uint32_t info_chk_; // top 32 bit of expected info hash
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} SignedHeader;
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#ifdef __cplusplus
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static_assert(sizeof(SignedHeader) == 1024, "SignedHeader should be 1024 bytes");
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static_assert(offsetof(SignedHeader, info_chk_) == 1020, "SignedHeader should be 1024 bytes");
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#endif // __cplusplus
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#endif // __EC_UTIL_SIGNER_COMMON_SIGNED_HEADER_H
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