419 lines
11 KiB
C
419 lines
11 KiB
C
#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 "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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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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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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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 == 1) {
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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->have_whitelist == 0) {
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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_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 == 1) {
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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 == 1) {
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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 == 1) {
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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_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_MP2FW1_FILE") == 0) {
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if (cb_config->load_mp2_fw == 1) {
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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 == 1) {
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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 == 1) {
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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 {
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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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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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static uint8_t find_register_fw_filename_bios_dir(char *fw_name, char *filename,
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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, instance = 0;
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(void) (cb_config); /* Remove warning and reserved for future. */
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if (strcmp(fw_name, "PSP_PMUI_FILE1") == 0) {
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fw_type = AMD_BIOS_PMUI;
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subprog = 0;
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instance = 1;
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} else if (strcmp(fw_name, "PSP_PMUI_FILE2") == 0) {
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fw_type = AMD_BIOS_PMUI;
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subprog = 0;
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instance = 4;
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} else if (strcmp(fw_name, "PSP_PMUI_FILE3") == 0) {
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fw_type = AMD_BIOS_PMUI;
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subprog = 1;
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instance = 1;
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} else if (strcmp(fw_name, "PSP_PMUI_FILE4") == 0) {
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fw_type = AMD_BIOS_PMUI;
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subprog = 1;
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instance = 4;
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} else if (strcmp(fw_name, "PSP_PMUD_FILE1") == 0) {
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fw_type = AMD_BIOS_PMUD;
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subprog = 0;
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instance = 1;
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} else if (strcmp(fw_name, "PSP_PMUD_FILE2") == 0) {
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fw_type = AMD_BIOS_PMUD;
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subprog = 0;
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instance = 4;
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} else if (strcmp(fw_name, "PSP_PMUD_FILE3") == 0) {
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fw_type = AMD_BIOS_PMUD;
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subprog = 1;
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instance = 1;
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} else if (strcmp(fw_name, "PSP_PMUD_FILE4") == 0) {
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fw_type = AMD_BIOS_PMUD;
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subprog = 1;
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instance = 4;
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} else if (strcmp(fw_name, "PSP_MP2CFG_FILE") == 0) {
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if (cb_config->load_mp2_fw == 1) {
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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_FW_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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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';
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retval = 1;
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} else
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retval = 0;
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return retval;
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}
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static int skip_comment_blank_line(char *oneline)
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{
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int retval;
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if (regexec(&blank_or_comment_expr, oneline, 0, NULL, 0) == 0) {
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/* skip comment and blank */
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retval = 1;
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} else {
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/* no match */
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retval = 0;
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}
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return retval;
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}
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#define N_MATCHES 4
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/*
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return value:
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0: The config file can not be parsed correctly.
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1: The config file can be parsed correctly.
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*/
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uint8_t process_config(FILE *config, amd_cb_config *cb_config, uint8_t print_deps)
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{
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char oneline[MAX_LINE_SIZE], *path_filename;
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regmatch_t match[N_MATCHES];
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char dir[MAX_LINE_SIZE] = {'\0'};
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compile_reg_expr(REG_EXTENDED | REG_NEWLINE,
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blank_or_comment_regex, &blank_or_comment_expr);
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compile_reg_expr(REG_EXTENDED | REG_NEWLINE,
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entries_line_regex, &entries_line_expr);
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/* Get a line */
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/* Get FIRMWARE_LOCATION in the first loop */
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while (get_input_file_line(config, oneline, MAX_LINE_SIZE) == OK) {
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/* get a line */
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if (skip_comment_blank_line(oneline))
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continue;
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if (is_valid_entry(oneline, match)) {
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if (strcmp(&(oneline[match[1].rm_so]), "FIRMWARE_LOCATION") == 0) {
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strcpy(dir, &(oneline[match[2].rm_so]));
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break;
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}
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}
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}
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if (dir[0] == '\0') {
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fprintf(stderr, "No line with FIRMWARE_LOCATION\n");
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return 0;
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}
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fseek(config, 0, SEEK_SET);
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/* Get a line */
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while (get_input_file_line(config, oneline, MAX_LINE_SIZE) == OK) {
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/* get a line */
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if (skip_comment_blank_line(oneline))
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continue;
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if (is_valid_entry(oneline, match)) {
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if (strcmp(&(oneline[match[1].rm_so]), "FIRMWARE_LOCATION") == 0) {
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continue;
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} else {
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path_filename = malloc(MAX_LINE_SIZE);
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strcpy(path_filename, dir);
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strcat(path_filename, "/");
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strcat(path_filename, &(oneline[match[2].rm_so]));
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if (find_register_fw_filename_psp_dir(
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&(oneline[match[1].rm_so]),
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path_filename, cb_config) == 0) {
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if (find_register_fw_filename_bios_dir(
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&(oneline[match[1].rm_so]),
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path_filename, cb_config) == 0) {
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fprintf(stderr, "Module's name \"%s\" is not valid\n", oneline);
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return 0; /* Stop parsing. */
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} else {
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if (print_deps)
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printf(" %s ", path_filename);
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}
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} else {
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if (print_deps)
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printf(" %s ", path_filename);
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}
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}
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} else {
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fprintf(stderr, "AMDFWTOOL config file line can't be parsed \"%s\"\n", oneline);
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return 0;
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}
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}
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return 1;
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}
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