diff options
Diffstat (limited to 'firmware/2lib')
| -rw-r--r-- | firmware/2lib/include/2api.h | 37 | ||||
| -rw-r--r-- | firmware/2lib/include/2constants.h | 50 |
2 files changed, 51 insertions, 36 deletions
diff --git a/firmware/2lib/include/2api.h b/firmware/2lib/include/2api.h index 34eb779d..f228fb30 100644 --- a/firmware/2lib/include/2api.h +++ b/firmware/2lib/include/2api.h @@ -22,48 +22,13 @@ #include <stdint.h> #include "2common.h" +#include "2constants.h" #include "2crypto.h" #include "2fw_hash_tags.h" #include "2id.h" #include "2recovery_reasons.h" #include "2return_codes.h" -/* - * Size of non-volatile data used by vboot. - * - * If you only support non-volatile data format V1, then use VB2_NVDATA_SIZE. - * If you support V2, use VB2_NVDATA_SIZE_V2 and set context flag - * VB2_CONTEXT_NVDATA_V2. - */ -#define VB2_NVDATA_SIZE 16 -#define VB2_NVDATA_SIZE_V2 64 - -/* Size of secure data spaces used by vboot */ -#define VB2_SECDATA_SIZE 10 -#define VB2_SECDATAK_SIZE 14 - -/* - * Recommended size of work buffer for firmware verification stage - * - * TODO: The recommended size really depends on which key algorithms are - * used. Should have a better / more accurate recommendation than this. - */ -#define VB2_WORKBUF_RECOMMENDED_SIZE (12 * 1024) - -/* - * Recommended size of work buffer for kernel verification stage - * - * This is bigger because vboot 2.0 kernel preambles are usually padded to - * 64 KB. - * - * TODO: The recommended size really depends on which key algorithms are - * used. Should have a better / more accurate recommendation than this. - */ -#define VB2_KERNEL_WORKBUF_RECOMMENDED_SIZE (80 * 1024) - -/* Recommended buffer size for vb2api_get_pcr_digest */ -#define VB2_PCR_DIGEST_RECOMMENDED_SIZE 32 - /* Flags for vb2_context. * * Unless otherwise noted, flags are set by verified boot and may be read (but diff --git a/firmware/2lib/include/2constants.h b/firmware/2lib/include/2constants.h new file mode 100644 index 00000000..aa9e99e2 --- /dev/null +++ b/firmware/2lib/include/2constants.h @@ -0,0 +1,50 @@ +/* Copyright 2019 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. + * + * General vboot-related constants. + * + * Constants that need to be exposed to assembly files or linker scripts + * may be placed here and imported via vb2_constants.h. + */ + +#ifndef VBOOT_REFERENCE_2CONSTANTS_H_ +#define VBOOT_REFERENCE_2CONSTANTS_H_ + +/* + * Size of non-volatile data used by vboot. + * + * If you only support non-volatile data format V1, then use VB2_NVDATA_SIZE. + * If you support V2, use VB2_NVDATA_SIZE_V2 and set context flag + * VB2_CONTEXT_NVDATA_V2. + */ +#define VB2_NVDATA_SIZE 16 +#define VB2_NVDATA_SIZE_V2 64 + +/* Size of secure data spaces used by vboot */ +#define VB2_SECDATA_SIZE 10 +#define VB2_SECDATAK_SIZE 14 + +/* + * Recommended size of work buffer for firmware verification stage. + * + * TODO: The recommended size really depends on which key algorithms are + * used. Should have a better / more accurate recommendation than this. + */ +#define VB2_FIRMWARE_WORKBUF_RECOMMENDED_SIZE (12 * 1024) + +/* + * Recommended size of work buffer for kernel verification stage. + * + * This is bigger because vboot 2.0 kernel preambles are usually padded to + * 64 KB. + * + * TODO: The recommended size really depends on which key algorithms are + * used. Should have a better / more accurate recommendation than this. + */ +#define VB2_KERNEL_WORKBUF_RECOMMENDED_SIZE (80 * 1024) + +/* Recommended buffer size for vb2api_get_pcr_digest. */ +#define VB2_PCR_DIGEST_RECOMMENDED_SIZE 32 + +#endif /* VBOOT_REFERENCE_2CONSTANTS_H_ */ |