UEFITool/common/ksy/intel_acbp_v1.ksy

202 lines
3.6 KiB
Plaintext
Raw Normal View History

meta:
id: intel_acbp_v1
title: Intel BootGuard Boot Policy v1
application: Intel x86 firmware
file-extension: acbp_v1
tags:
- firmware
license: CC0-1.0
ks-version: 0.9
endian: le
enums:
ibb_segment_type:
0: ibb
1: non_ibb
structure_ids:
0x5f5f504243415f5f: acbp
0x5f5f534242495f5f: ibbs
0x5f5f41444d505f5f: pmda
0x5f5f47534d505f5f: pmsg
seq:
- id: structure_id
type: u8
enum: structure_ids
valid: structure_ids::acbp
- id: version
type: u1
valid:
expr: _ < 0x20
- id: reserved0
type: u1
- id: bpm_revision
type: u1
- id: bp_svn
type: u1
- id: acm_svn
type: u1
- id: reserved1
type: u1
- id: nem_data_size
type: u2
- id: elements
type: acbp_element
repeat: until
repeat-until: _.header.structure_id == structure_ids::pmsg or _io.eof
types:
acbp_element:
seq:
- id: header
type: common_header
- id: ibbs_body
type: ibbs_body
if: header.structure_id == structure_ids::ibbs
- id: pmda_body
type: pmda_body
if: header.structure_id == structure_ids::pmda
- id: pmsg_body
type: pmsg_body
if: header.structure_id == structure_ids::pmsg
- id: invalid_body
size: 0
if: header.structure_id != structure_ids::pmsg
and header.structure_id != structure_ids::pmda
and header.structure_id != structure_ids::ibbs
valid:
expr: false
common_header:
seq:
- id: structure_id
type: u8
enum: structure_ids
- id: version
type: u1
hash:
seq:
- id: hash_algorithm_id
type: u2
- id: len_hash
type: u2
- id: hash
size: 32
ibbs_body:
seq:
- id: reserved
type: u1
repeat: expr
repeat-expr: 3
- id: flags
type: u4
- id: mch_bar
type: u8
- id: vtd_bar
type: u8
- id: dma_protection_base0
type: u4
- id: dma_protection_limit0
type: u4
- id: dma_protection_base1
type: u8
- id: dma_protection_limit1
type: u8
- id: post_ibb_hash
type: hash
- id: ibb_entry_point
type: u4
- id: ibb_hash
type: hash
- id: num_ibb_segments
type: u1
- id: ibb_segments
type: ibb_segment
repeat: expr
repeat-expr: num_ibb_segments
ibb_segment:
seq:
- id: reserved
type: u2
- id: flags
type: u2
- id: base
type: u4
- id: size
type: u4
pmda_body:
seq:
- id: total_size
type: u2
- id: version
type: u4
- id: num_entries
type: u4
- id: entries_v1
if: version == 1
type: pmda_entry_v1
repeat: expr
repeat-expr: num_entries
- id: entries_v2
if: version == 2
type: pmda_entry_v2
repeat: expr
repeat-expr: num_entries
pmda_entry_v1:
seq:
- id: base
type: u4
- id: size
type: u4
- id: hash
size: 32
pmda_entry_v2:
seq:
- id: base
type: u4
- id: size
type: u4
- id: hash
type: hash
pmsg_body:
seq:
- id: version
type: u1
- id: key_id
type: u2
- id: public_key
type: public_key
- id: sig_scheme
type: u2
- id: signature
type: signature
public_key:
seq:
- id: version
type: u1
- id: size_bits
type: u2
- id: exponent
type: u4
- id: modulus
size: size_bits / 8
signature:
seq:
- id: version
type: u1
- id: size_bits
type: u2
- id: hash_algorithm_id
type: u2
- id: signature
size: size_bits / 8