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ROM.H
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ROM.H
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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/include/securerom/ROM.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2016,2017 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
/****************************************************************************
*
****************************************************************************/
#ifndef ROM_H
#define ROM_H
/****************************************************************************/
#ifndef PHYPLIBFUNCTIONS
#include <hw_utils.h>
#endif
#include <sha512.h>
#include <ecverify.h>
/****************************************************************************/
#define CONTAINER_VERSION 1
#define HEADER_VERSION 1
#define HASH_ALG_SHA512 1
#define SIG_ALG_ECDSA521 1
#define HBI_BASE_SIGNING_KEY 0x80000000
#define ROM_MAGIC_NUMBER 0x17082011
typedef struct {
uint16_t version; // (1: see versions above)
uint8_t hash_alg; // (1: SHA-512)
uint8_t sig_alg; // (1: SHA-512/ECDSA-521)
}__attribute__((packed)) ROM_version_raw;
typedef struct {
uint32_t magic_number; // (17082011)
uint16_t version; // (1: see versions above)
uint64_t container_size; // filled by caller
uint64_t target_hrmor; // filled by caller
uint64_t stack_pointer; // filled by caller //bottom of stack -> 128k added by rom code to get real stack pointer
ecc_key_t hw_pkey_a;
ecc_key_t hw_pkey_b;
ecc_key_t hw_pkey_c;
uint64_t prefix; // prefix header place holder
// followed by sw header (if not special prefix)
// followed by optional unprotected payload data
}__attribute__((packed)) ROM_container_raw;
typedef struct {
ROM_version_raw ver_alg;
uint64_t code_start_offset;
uint64_t reserved;
uint32_t flags;
uint8_t sw_key_count;
uint64_t payload_size;
sha2_hash_t payload_hash;
uint8_t ecid_count;
uint8_t ecid[ECID_SIZE]; // optional ecid place holder ecid_count * ecid_size(128 bits)
// followed by prefix data (sig,keys) key raw
}__attribute__((packed)) ROM_prefix_header_raw;
#define PREFIX_HEADER_SIZE(_p) (sizeof(ROM_prefix_header_raw)+((_p->ecid_count-1)*ECID_SIZE))
typedef struct {
ecc_signature_t hw_sig_a;
ecc_signature_t hw_sig_b;
ecc_signature_t hw_sig_c;
ecc_key_t sw_pkey_p;
ecc_key_t sw_pkey_q;
ecc_key_t sw_pkey_r;
}__attribute__((packed)) ROM_prefix_data_raw;
typedef struct {
ROM_version_raw ver_alg;
uint64_t code_start_offset;
uint64_t reserved;
uint32_t flags;
uint8_t reserved_0;
uint64_t payload_size;
sha2_hash_t payload_hash;
uint8_t ecid_count;
uint8_t ecid[ECID_SIZE]; // optional ecid place holder ecid_count * ecid_size(128 bits)
// followed by sw sig raw
}__attribute__((packed)) ROM_sw_header_raw;
#define SW_HEADER_SIZE(_p) (sizeof(ROM_sw_header_raw)+((_p->ecid_count-1)*ECID_SIZE))
typedef struct {
ecc_signature_t sw_sig_p;
ecc_signature_t sw_sig_q;
ecc_signature_t sw_sig_r;
// followed by zero's padding to 4K
// followed by protected sw payload_data
// followed by unprotected sw payload_text
}__attribute__((packed)) ROM_sw_sig_raw;
/****************************************************************************/
typedef enum { ROM_DONE, ROM_FAILED, PHYP_PARTIAL } ROM_response;
#ifndef PHYPLIBFUNCTIONS
typedef struct {
sha2_hash_t hw_key_hash;
uint8_t my_ecid[ECID_SIZE];
uint64_t entry_point;
uint64_t log;
}__attribute__((packed)) ROM_hw_params;
//extern void ROM_instruction_start (void);
extern void ROM_sreset (void);
extern ROM_response ROM_verify (ROM_container_raw* container,
ROM_hw_params* params);
#endif
#endif