diff options
Diffstat (limited to 'firmware/lib20/include/vb2_common.h')
| -rw-r--r-- | firmware/lib20/include/vb2_common.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/firmware/lib20/include/vb2_common.h b/firmware/lib20/include/vb2_common.h index 0ab89cab..536fbbb0 100644 --- a/firmware/lib20/include/vb2_common.h +++ b/firmware/lib20/include/vb2_common.h @@ -204,4 +204,26 @@ int vb2_verify_kernel_preamble(struct vb2_kernel_preamble *preamble, const struct vb2_public_key *key, const struct vb2_workbuf *wb); +/** + * Retrieve the 16-bit vmlinuz header address and size from the preamble. + * + * Size 0 means there is no 16-bit vmlinuz header present. Old preamble + * versions (<2.1) return 0 for both fields. + * + * @param preamble Preamble to check + * @param vmlinuz_header_address Destination for header address + * @param vmlinuz_header_size Destination for header size + */ +void vb2_kernel_get_vmlinuz_header(const struct vb2_kernel_preamble *preamble, + uint64_t *vmlinuz_header_address, + uint32_t *vmlinuz_header_size); + +/** + * Get the flags for the kernel preamble. + * + * @param preamble Preamble to check + * @return Flags for the preamble. Old preamble versions (<2.2) return 0. + */ +uint32_t vb2_kernel_get_flags(const struct vb2_kernel_preamble *preamble); + #endif /* VBOOT_REFERENCE_VB2_COMMON_H_ */ |