559 lines
16 KiB
C
559 lines
16 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <stdio.h>
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#include <regex.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <assert.h>
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#include "amdfwtool.h"
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/* TODO: a empty line does not matched. */
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static const char blank_or_comment_regex[] =
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/* a blank line */
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"(^[[:space:]]*$)"
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"|" /* or ... */
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/* a line consisting of: optional whitespace followed by */
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"(^[[:space:]]*"
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/* a '#' character and optionally, additional characters */
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"#.*$)";
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static regex_t blank_or_comment_expr;
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static const char entries_line_regex[] =
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/* optional whitespace */
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"^[[:space:]]*"
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/* followed by a chunk of nonwhitespace for macro field */
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"([^[:space:]]+)"
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/* followed by one or more whitespace characters */
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"[[:space:]]+"
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/* followed by a chunk of nonwhitespace for filename field */
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"([^[:space:]]+)"
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/* followed by optional whitespace */
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"[[:space:]]*$";
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static regex_t entries_line_expr;
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static const char entries_lvl_line_regex[] =
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/* optional whitespace */
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"^[[:space:]]*"
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/* followed by a chunk of nonwhitespace for macro field */
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"([^[:space:]]+)"
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/* followed by one or more whitespace characters */
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"[[:space:]]+"
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/* followed by a chunk of nonwhitespace for filename field */
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"([^[:space:]]+)"
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/* followed by one or more whitespace characters */
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"[[:space:]]+"
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/* followed by a chunk of nonwhitespace for level field
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1st char L: Indicator of field "level"
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2nd char:
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Directory level to be dropped in.
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1: Level 1
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2: Level 2
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b: Level both 1&2
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x: use default value hardcoded in table
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3rd char:
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For A/B recovery. Defined same as 2nd char.
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Examples:
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L2: Level 2 for normal mode
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L12: Level 1 for normal mode, level 2 for A/B mode
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Lx1: Use default value for normal mode, level 1 for A/B mode
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*/
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"([Ll][12bxBX]{1,2})"
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/* followed by optional whitespace */
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"[[:space:]]*$";
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static regex_t entries_lvl_line_expr;
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void compile_reg_expr(int cflags, const char *expr, regex_t *reg)
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{
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static const size_t ERROR_BUF_SIZE = 256;
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char error_msg[ERROR_BUF_SIZE];
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int result;
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result = regcomp(reg, expr, cflags);
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if (result != 0) {
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regerror(result, reg, error_msg, ERROR_BUF_SIZE);
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fprintf(stderr, "%s\n", error_msg);
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}
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}
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#define SET_LEVEL(tableptr, l, TABLE, ab) \
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do { \
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switch ((l)) { \
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case '1': \
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(tableptr)->level = ab ? TABLE##_LVL1_AB : TABLE##_LVL1; \
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break; \
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case '2': \
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(tableptr)->level = ab ? TABLE##_LVL2_AB : TABLE##_LVL2; \
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break; \
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case 'b': \
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case 'B': \
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(tableptr)->level = ab ? TABLE##_BOTH_AB : TABLE##_BOTH; \
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break; \
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default: \
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/* use default value */ \
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break; \
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} \
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} while (0)
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extern amd_fw_entry amd_psp_fw_table[];
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extern amd_bios_entry amd_bios_table[];
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static uint8_t find_register_fw_filename_psp_dir(char *fw_name, char *filename,
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char level_to_set, amd_cb_config *cb_config)
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{
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amd_fw_type fw_type = AMD_FW_INVALID;
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amd_fw_entry *psp_tableptr;
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uint8_t subprog;
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if (strcmp(fw_name, "PSPBTLDR_WL_FILE") == 0) {
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if (cb_config->have_whitelist) {
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fw_type = AMD_FW_PSP_BOOTLOADER_AB;
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subprog = 0;
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} else {
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fw_type = AMD_FW_SKIP;
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}
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} else if (strcmp(fw_name, "PSPBTLDR_AB_STAGE1_FILE") == 0) {
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if (cb_config->recovery_ab) {
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fw_type = AMD_FW_PSP_BOOTLOADER;
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subprog = 0;
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} else {
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fw_type = AMD_FW_SKIP;
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}
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} else if (strcmp(fw_name, "PSPBTLDR_FILE") == 0) {
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if (!cb_config->recovery_ab) {
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fw_type = AMD_FW_PSP_BOOTLOADER;
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subprog = 0;
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} else {
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fw_type = AMD_FW_SKIP;
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}
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} else if (strcmp(fw_name, "AMD_PUBKEY_FILE") == 0) {
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fw_type = AMD_FW_PSP_PUBKEY;
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subprog = 0;
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} else if (strcmp(fw_name, "PSPRCVR_FILE") == 0) {
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fw_type = AMD_FW_PSP_RECOVERY;
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subprog = 0;
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} else if (strcmp(fw_name, "PUBSIGNEDKEY_FILE") == 0) {
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fw_type = AMD_FW_PSP_RTM_PUBKEY;
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subprog = 0;
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} else if (strcmp(fw_name, "PSPNVRAM_FILE") == 0) {
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fw_type = AMD_FW_PSP_NVRAM;
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subprog = 0;
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} else if (strcmp(fw_name, "SMUSCS_FILE") == 0) {
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fw_type = AMD_FW_PSP_SMUSCS;
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subprog = 0;
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} else if (strcmp(fw_name, "PSPTRUSTLETS_FILE") == 0) {
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fw_type = AMD_FW_PSP_TRUSTLETS;
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subprog = 0;
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} else if (strcmp(fw_name, "PSPSECUREDEBUG_FILE") == 0) {
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fw_type = AMD_FW_PSP_SECURED_DEBUG;
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subprog = 0;
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} else if (strcmp(fw_name, "PSP_SMUFW1_SUB0_FILE") == 0) {
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fw_type = AMD_FW_PSP_SMU_FIRMWARE;
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subprog = 0;
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} else if (strcmp(fw_name, "PSP_HW_IPCFG_FILE") == 0) {
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fw_type = AMD_HW_IPCFG;
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subprog = 0;
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} else if (strcmp(fw_name, "PSP_SMUFW1_SUB1_FILE") == 0) {
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fw_type = AMD_FW_PSP_SMU_FIRMWARE;
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subprog = 1;
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} else if (strcmp(fw_name, "PSP_SMUFW1_SUB2_FILE") == 0) {
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fw_type = AMD_FW_PSP_SMU_FIRMWARE;
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subprog = 2;
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} else if (strcmp(fw_name, "PSP_SMUFW2_SUB0_FILE") == 0) {
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fw_type = AMD_FW_PSP_SMU_FIRMWARE2;
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subprog = 0;
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} else if (strcmp(fw_name, "PSP_SMUFW2_SUB1_FILE") == 0) {
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fw_type = AMD_FW_PSP_SMU_FIRMWARE2;
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subprog = 1;
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} else if (strcmp(fw_name, "PSP_SMUFW2_SUB2_FILE") == 0) {
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fw_type = AMD_FW_PSP_SMU_FIRMWARE2;
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subprog = 2;
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} else if (strcmp(fw_name, "PSP_SEC_DBG_KEY_FILE") == 0) {
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if (cb_config->unlock_secure) {
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fw_type = AMD_FW_PSP_SECURED_DEBUG;
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subprog = 0;
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} else {
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fw_type = AMD_FW_SKIP;
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}
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} else if (strcmp(fw_name, "PSP_SEC_DEBUG_FILE") == 0) {
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if (cb_config->unlock_secure) {
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fw_type = AMD_DEBUG_UNLOCK;
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subprog = 0;
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} else {
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fw_type = AMD_FW_SKIP;
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}
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} else if (strcmp(fw_name, "PSP_ABL0_FILE") == 0) {
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fw_type = AMD_ABL0;
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subprog = 0;
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} else if (strcmp(fw_name, "PSP_ABL1_FILE") == 0) {
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fw_type = AMD_ABL1;
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subprog = 0;
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} else if (strcmp(fw_name, "PSP_ABL2_FILE") == 0) {
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fw_type = AMD_ABL2;
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subprog = 0;
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} else if (strcmp(fw_name, "PSP_ABL3_FILE") == 0) {
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fw_type = AMD_ABL3;
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subprog = 0;
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} else if (strcmp(fw_name, "PSP_ABL4_FILE") == 0) {
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fw_type = AMD_ABL4;
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subprog = 0;
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} else if (strcmp(fw_name, "PSP_ABL5_FILE") == 0) {
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fw_type = AMD_ABL5;
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subprog = 0;
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} else if (strcmp(fw_name, "PSP_ABL6_FILE") == 0) {
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fw_type = AMD_ABL6;
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subprog = 0;
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} else if (strcmp(fw_name, "PSP_ABL7_FILE") == 0) {
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fw_type = AMD_ABL7;
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subprog = 0;
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} else if (strcmp(fw_name, "PSPSECUREOS_FILE") == 0) {
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if (cb_config->use_secureos) {
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fw_type = AMD_FW_PSP_SECURED_OS;
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subprog = 0;
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} else {
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fw_type = AMD_FW_SKIP;
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}
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} else if (strcmp(fw_name, "PSPTRUSTLETS_FILE") == 0) {
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if (cb_config->use_secureos) {
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fw_type = AMD_FW_PSP_TRUSTLETS;
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subprog = 0;
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} else {
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fw_type = AMD_FW_SKIP;
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}
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} else if (strcmp(fw_name, "TRUSTLETKEY_FILE") == 0) {
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if (cb_config->use_secureos) {
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fw_type = AMD_FW_PSP_TRUSTLETKEY;
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subprog = 0;
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} else {
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fw_type = AMD_FW_SKIP;
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}
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} else if (strcmp(fw_name, "PSP_IKEK_FILE") == 0) {
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fw_type = AMD_WRAPPED_IKEK;
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subprog = 0;
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} else if (strcmp(fw_name, "PSP_SECG0_FILE") == 0) {
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fw_type = AMD_SEC_GASKET;
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subprog = 0;
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} else if (strcmp(fw_name, "PSP_SECG1_FILE") == 0) {
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fw_type = AMD_SEC_GASKET;
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subprog = 1;
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} else if (strcmp(fw_name, "PSP_SECG2_FILE") == 0) {
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fw_type = AMD_SEC_GASKET;
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subprog = 2;
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} else if (strcmp(fw_name, "PSP_MP2FW0_FILE") == 0) {
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if (cb_config->load_mp2_fw) {
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fw_type = AMD_MP2_FW;
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subprog = 0;
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} else {
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fw_type = AMD_FW_SKIP;
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}
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} else if (strcmp(fw_name, "PSP_MP2FW1_FILE") == 0) {
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if (cb_config->load_mp2_fw) {
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fw_type = AMD_MP2_FW;
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subprog = 1;
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} else {
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fw_type = AMD_FW_SKIP;
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}
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} else if (strcmp(fw_name, "PSP_MP2FW2_FILE") == 0) {
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if (cb_config->load_mp2_fw) {
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fw_type = AMD_MP2_FW;
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subprog = 2;
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} else {
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fw_type = AMD_FW_SKIP;
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}
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} else if (strcmp(fw_name, "PSP_DRIVERS_FILE") == 0) {
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fw_type = AMD_DRIVER_ENTRIES;
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subprog = 0;
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} else if (strcmp(fw_name, "PSP_S0I3_FILE") == 0) {
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if (cb_config->s0i3) {
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fw_type = AMD_S0I3_DRIVER;
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subprog = 0;
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} else {
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fw_type = AMD_FW_SKIP;
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}
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} else if (strcmp(fw_name, "AMD_DRIVER_ENTRIES") == 0) {
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fw_type = AMD_DRIVER_ENTRIES;
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subprog = 0;
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} else if (strcmp(fw_name, "VBIOS_BTLOADER_FILE") == 0) {
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fw_type = AMD_VBIOS_BTLOADER;
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subprog = 0;
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} else if (strcmp(fw_name, "SECURE_POLICY_L1_FILE") == 0) {
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fw_type = AMD_FW_TOS_SEC_POLICY;
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subprog = 0;
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} else if (strcmp(fw_name, "UNIFIEDUSB_FILE") == 0) {
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fw_type = AMD_FW_USB_PHY;
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subprog = 0;
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} else if (strcmp(fw_name, "DRTMTA_FILE") == 0) {
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fw_type = AMD_FW_DRTM_TA;
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subprog = 0;
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} else if (strcmp(fw_name, "KEYDBBL_FILE") == 0) {
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fw_type = AMD_FW_KEYDB_BL;
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subprog = 0;
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} else if (strcmp(fw_name, "KEYDB_TOS_FILE") == 0) {
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fw_type = AMD_FW_KEYDB_TOS;
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subprog = 0;
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} else if (strcmp(fw_name, "SPL_TABLE_FILE") == 0) {
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if (cb_config->have_mb_spl) {
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fw_type = AMD_FW_SPL;
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subprog = 0;
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} else {
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fw_type = AMD_FW_SKIP;
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}
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} else if (strcmp(fw_name, "DMCUERAMDCN21_FILE") == 0) {
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fw_type = AMD_FW_DMCU_ERAM;
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subprog = 0;
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} else if (strcmp(fw_name, "DMCUINTVECTORSDCN21_FILE") == 0) {
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fw_type = AMD_FW_DMCU_ISR;
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subprog = 0;
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} else if (strcmp(fw_name, "PSP_KVM_ENGINE_DUMMY_FILE") == 0) {
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fw_type = AMD_FW_KVM_IMAGE;
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subprog = 0;
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} else if (strcmp(fw_name, "RPMC_FILE") == 0) {
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fw_type = AMD_RPMC_NVRAM;
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subprog = 0;
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} else if (strcmp(fw_name, "PSPBTLDR_AB_FILE") == 0) {
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if (!cb_config->have_whitelist || cb_config->recovery_ab) {
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fw_type = AMD_FW_PSP_BOOTLOADER_AB;
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subprog = 0;
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} else {
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fw_type = AMD_FW_SKIP;
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}
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} else {
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fw_type = AMD_FW_INVALID;
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/* TODO: Add more */
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}
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/* Search and fill the filename */
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psp_tableptr = &amd_psp_fw_table[0];
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if (fw_type != AMD_FW_SKIP && fw_type != AMD_FW_INVALID) {
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while (psp_tableptr->type != AMD_FW_INVALID) {
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/* instance are not used in PSP table */
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if (psp_tableptr->type == fw_type && psp_tableptr->subprog == subprog) {
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psp_tableptr->filename = filename;
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SET_LEVEL(psp_tableptr, level_to_set, PSP,
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cb_config->recovery_ab);
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break;
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}
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psp_tableptr++;
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}
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}
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if (fw_type == AMD_FW_INVALID)
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return 0;
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else
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return 1;
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}
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#define PMUI_STR_BASE "PSP_PMUI_FILE"
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#define PMUD_STR_BASE "PSP_PMUD_FILE"
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#define PMU_STR_BASE_LEN strlen(PMUI_STR_BASE)
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#define PMU_STR_SUB_INDEX strlen(PMUI_STR_BASE"_SUB")
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#define PMU_STR_INS_INDEX strlen(PMUI_STR_BASE"_SUBx_INS")
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static uint8_t find_register_fw_filename_bios_dir(char *fw_name, char *filename,
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char level_to_set, amd_cb_config *cb_config)
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{
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amd_bios_type fw_type = AMD_BIOS_INVALID;
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amd_bios_entry *bhd_tableptr;
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uint8_t subprog = 0;
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uint8_t instance = 0;
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(void) (cb_config); /* Remove warning and reserved for future. */
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if (strncmp(fw_name, PMUI_STR_BASE, PMU_STR_BASE_LEN) == 0) {
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fw_type = AMD_BIOS_PMUI;
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subprog = fw_name[PMU_STR_SUB_INDEX] - '0';
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instance = fw_name[PMU_STR_INS_INDEX] - '0';
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} else if (strncmp(fw_name, PMUD_STR_BASE, PMU_STR_BASE_LEN) == 0) {
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fw_type = AMD_BIOS_PMUD;
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subprog = fw_name[PMU_STR_SUB_INDEX] - '0';
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instance = fw_name[PMU_STR_INS_INDEX] - '0';
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} else if (strcmp(fw_name, "RTM_PUBKEY_FILE") == 0) {
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fw_type = AMD_BIOS_RTM_PUBKEY;
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subprog = 0;
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instance = 0;
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} else if (strcmp(fw_name, "PSP_MP2CFG_FILE") == 0) {
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if (cb_config->load_mp2_fw) {
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fw_type = AMD_BIOS_MP2_CFG;
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subprog = 0;
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} else {
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fw_type = AMD_BIOS_SKIP;
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}
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} else {
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fw_type = AMD_BIOS_INVALID;
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}
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bhd_tableptr = amd_bios_table;
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if (fw_type != AMD_BIOS_INVALID && fw_type != AMD_BIOS_SKIP) {
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while (bhd_tableptr->type != AMD_BIOS_INVALID) {
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if (bhd_tableptr->type == fw_type &&
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bhd_tableptr->subpr == subprog &&
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bhd_tableptr->inst == instance) {
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bhd_tableptr->filename = filename;
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SET_LEVEL(bhd_tableptr, level_to_set, BDT,
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cb_config->recovery_ab);
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break;
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}
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bhd_tableptr++;
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}
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}
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if (fw_type == AMD_BIOS_INVALID)
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return 0;
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else
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return 1;
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}
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#define MAX_LINE_SIZE 1024
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int get_input_file_line(FILE *f, char line[], int line_buf_size)
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{
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if (fgets(line, line_buf_size, f) == NULL)
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return LINE_EOF;
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/* If the file contains a line that is too long, then it's best
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* to let the user know right away rather than passing back a
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* truncated result that will lead to problems later on.
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*/
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line[strlen(line) - 1] = '\0';
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if (strlen(line) == ((size_t) (line_buf_size - 1))) {
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fprintf(stderr, "The line size in config file should be lower than %d bytes.\n",
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MAX_LINE_SIZE);
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exit(1);
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}
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return OK;
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}
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static int is_valid_entry(char *oneline, regmatch_t *match)
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{
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int retval;
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if (regexec(&entries_line_expr, oneline, 3, match, 0) == 0) {
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oneline[match[1].rm_eo] = '\0';
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oneline[match[2].rm_eo] = '\0';
|
|
retval = 1;
|
|
} else if (regexec(&entries_lvl_line_expr, oneline, 4, match, 0) == 0) {
|
|
/* match[1]: FW type
|
|
match[2]: FW filename
|
|
match[3]: Directory level to be dropped
|
|
*/
|
|
oneline[match[1].rm_eo] = '\0';
|
|
oneline[match[2].rm_eo] = '\0';
|
|
oneline[match[3].rm_eo] = '\0';
|
|
retval = 1;
|
|
} else {
|
|
retval = 0;
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
static int skip_comment_blank_line(char *oneline)
|
|
{
|
|
int retval;
|
|
|
|
if (regexec(&blank_or_comment_expr, oneline, 0, NULL, 0) == 0) {
|
|
/* skip comment and blank */
|
|
retval = 1;
|
|
} else {
|
|
/* no match */
|
|
retval = 0;
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
#define N_MATCHES 4
|
|
/*
|
|
return value:
|
|
0: The config file can not be parsed correctly.
|
|
1: The config file can be parsed correctly.
|
|
*/
|
|
uint8_t process_config(FILE *config, amd_cb_config *cb_config, uint8_t print_deps)
|
|
{
|
|
char oneline[MAX_LINE_SIZE], *path_filename;
|
|
regmatch_t match[N_MATCHES] = {0};
|
|
char dir[MAX_LINE_SIZE] = {'\0'};
|
|
uint32_t dir_len;
|
|
|
|
compile_reg_expr(REG_EXTENDED | REG_NEWLINE,
|
|
blank_or_comment_regex, &blank_or_comment_expr);
|
|
compile_reg_expr(REG_EXTENDED | REG_NEWLINE,
|
|
entries_line_regex, &entries_line_expr);
|
|
compile_reg_expr(REG_EXTENDED | REG_NEWLINE,
|
|
entries_lvl_line_regex, &entries_lvl_line_expr);
|
|
|
|
/* Get a line */
|
|
/* Get FIRMWARE_LOCATION in the first loop */
|
|
while (get_input_file_line(config, oneline, MAX_LINE_SIZE) == OK) {
|
|
/* get a line */
|
|
if (skip_comment_blank_line(oneline))
|
|
continue;
|
|
if (is_valid_entry(oneline, match)) {
|
|
if (strcmp(&(oneline[match[1].rm_so]), "FIRMWARE_LOCATION") == 0) {
|
|
dir_len = match[2].rm_eo - match[2].rm_so;
|
|
assert(dir_len < MAX_LINE_SIZE);
|
|
snprintf(dir, MAX_LINE_SIZE, "%.*s", dir_len,
|
|
&(oneline[match[2].rm_so]));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (dir[0] == '\0') {
|
|
fprintf(stderr, "No line with FIRMWARE_LOCATION\n");
|
|
return 0;
|
|
}
|
|
|
|
fseek(config, 0, SEEK_SET);
|
|
/* Get a line */
|
|
while (get_input_file_line(config, oneline, MAX_LINE_SIZE) == OK) {
|
|
/* get a line */
|
|
if (skip_comment_blank_line(oneline))
|
|
continue;
|
|
if (is_valid_entry(oneline, match)) {
|
|
if (strcmp(&(oneline[match[1].rm_so]), "FIRMWARE_LOCATION") == 0) {
|
|
continue;
|
|
} else {
|
|
char ch_lvl = 'x';
|
|
path_filename = malloc(MAX_LINE_SIZE * 2 + 2);
|
|
snprintf(path_filename, MAX_LINE_SIZE * 2 + 2, "%.*s/%.*s",
|
|
MAX_LINE_SIZE, dir, MAX_LINE_SIZE,
|
|
&(oneline[match[2].rm_so]));
|
|
|
|
/* If the optional level field is present,
|
|
extract the level char. */
|
|
if (match[3].rm_so != 0) {
|
|
if (cb_config->recovery_ab == 0)
|
|
ch_lvl = oneline[match[3].rm_so + 1];
|
|
else
|
|
ch_lvl = oneline[match[3].rm_so + 2];
|
|
}
|
|
|
|
if (find_register_fw_filename_psp_dir(
|
|
&(oneline[match[1].rm_so]),
|
|
path_filename, ch_lvl, cb_config) == 0) {
|
|
if (find_register_fw_filename_bios_dir(
|
|
&(oneline[match[1].rm_so]),
|
|
path_filename, ch_lvl, cb_config)
|
|
== 0) {
|
|
fprintf(stderr, "Module's name \"%s\" is not valid\n", oneline);
|
|
return 0; /* Stop parsing. */
|
|
} else {
|
|
if (print_deps)
|
|
printf(" %s ", path_filename);
|
|
}
|
|
} else {
|
|
if (print_deps)
|
|
printf(" %s ", path_filename);
|
|
}
|
|
}
|
|
} else {
|
|
fprintf(stderr, "AMDFWTOOL config file line can't be parsed \"%s\"\n", oneline);
|
|
return 0;
|
|
}
|
|
}
|
|
return 1;
|
|
}
|