diff options
Diffstat (limited to 'util/amdfwtool/data_parse.c')
| -rw-r--r-- | util/amdfwtool/data_parse.c | 418 |
1 files changed, 418 insertions, 0 deletions
diff --git a/util/amdfwtool/data_parse.c b/util/amdfwtool/data_parse.c new file mode 100644 index 0000000000..bb616d3405 --- /dev/null +++ b/util/amdfwtool/data_parse.c @@ -0,0 +1,418 @@ +#include <stdio.h> +#include <regex.h> +#include <string.h> +#include <stdlib.h> + +#include "amdfwtool.h" + +/* TODO: a empty line does not matched. */ +static const char blank_or_comment_regex[] = + /* a blank line */ + "(^[[:space:]]*$)" + "|" /* or ... */ + /* a line consisting of: optional whitespace followed by */ + "(^[[:space:]]*" + /* a '#' character and optionally, additional characters */ + "#.*$)"; +static regex_t blank_or_comment_expr; + +static const char entries_line_regex[] = + /* optional whitespace */ + "^[[:space:]]*" + /* followed by a chunk of nonwhitespace for macro field */ + "([^[:space:]]+)" + /* followed by one or more whitespace characters */ + "[[:space:]]+" + /* followed by a chunk of nonwhitespace for filename field */ + "([^[:space:]]+)" + /* followed by optional whitespace */ + "[[:space:]]*$"; +static regex_t entries_line_expr; + +void compile_reg_expr(int cflags, const char *expr, regex_t *reg) +{ + static const size_t ERROR_BUF_SIZE = 256; + char error_msg[ERROR_BUF_SIZE]; + int result; + + result = regcomp(reg, expr, cflags); + if (result != 0) { + regerror(result, reg, error_msg, ERROR_BUF_SIZE); + printf("%s\n", error_msg); + } +} + +extern amd_fw_entry amd_psp_fw_table[]; +extern amd_bios_entry amd_bios_table[]; + +static uint8_t find_register_fw_filename_psp_dir(char *fw_name, char *filename, + amd_cb_config *cb_config) +{ + amd_fw_type fw_type = AMD_FW_INVALID; + amd_fw_entry *psp_tableptr; + uint8_t subprog; + + if (strcmp(fw_name, "PSPBTLDR_WL_FILE") == 0) { + if (cb_config->have_whitelist == 1) { + fw_type = AMD_FW_PSP_BOOTLOADER; + subprog = 0; + } else { + fw_type = AMD_FW_SKIP; + } + } else if (strcmp(fw_name, "PSPBTLDR_FILE") == 0) { + if (cb_config->have_whitelist == 0) { + fw_type = AMD_FW_PSP_BOOTLOADER; + subprog = 0; + } else { + fw_type = AMD_FW_SKIP; + } + } else if (strcmp(fw_name, "AMD_PUBKEY_FILE") == 0) { + fw_type = AMD_FW_PSP_PUBKEY; + subprog = 0; + } else if (strcmp(fw_name, "PSPRCVR_FILE") == 0) { + fw_type = AMD_FW_PSP_RECOVERY; + subprog = 0; + } else if (strcmp(fw_name, "PUBSIGNEDKEY_FILE") == 0) { + fw_type = AMD_FW_PSP_RTM_PUBKEY; + subprog = 0; + } else if (strcmp(fw_name, "PSPNVRAM_FILE") == 0) { + fw_type = AMD_FW_PSP_NVRAM; + subprog = 0; + } else if (strcmp(fw_name, "SMUSCS_FILE") == 0) { + fw_type = AMD_FW_PSP_SMUSCS; + subprog = 0; + } else if (strcmp(fw_name, "PSPTRUSTLETS_FILE") == 0) { + fw_type = AMD_FW_PSP_TRUSTLETS; + subprog = 0; + } else if (strcmp(fw_name, "PSPSECUREDEBUG_FILE") == 0) { + fw_type = AMD_FW_PSP_SECURED_DEBUG; + subprog = 0; + } else if (strcmp(fw_name, "PSP_SMUFW1_SUB0_FILE") == 0) { + fw_type = AMD_FW_PSP_SMU_FIRMWARE; + subprog = 0; + } else if (strcmp(fw_name, "PSP_SMUFW1_SUB1_FILE") == 0) { + fw_type = AMD_FW_PSP_SMU_FIRMWARE; + subprog = 1; + } else if (strcmp(fw_name, "PSP_SMUFW1_SUB2_FILE") == 0) { + fw_type = AMD_FW_PSP_SMU_FIRMWARE; + subprog = 2; + } else if (strcmp(fw_name, "PSP_SMUFW2_SUB0_FILE") == 0) { + fw_type = AMD_FW_PSP_SMU_FIRMWARE2; + subprog = 0; + } else if (strcmp(fw_name, "PSP_SMUFW2_SUB1_FILE") == 0) { + fw_type = AMD_FW_PSP_SMU_FIRMWARE2; + subprog = 1; + } else if (strcmp(fw_name, "PSP_SMUFW2_SUB2_FILE") == 0) { + fw_type = AMD_FW_PSP_SMU_FIRMWARE2; + subprog = 2; + } else if (strcmp(fw_name, "PSP_SEC_DBG_KEY_FILE") == 0) { + if (cb_config->unlock_secure == 1) { + fw_type = AMD_FW_PSP_SECURED_DEBUG; + subprog = 0; + } else { + fw_type = AMD_FW_SKIP; + } + } else if (strcmp(fw_name, "PSP_SEC_DEBUG_FILE") == 0) { + if (cb_config->unlock_secure == 1) { + fw_type = AMD_DEBUG_UNLOCK; + subprog = 0; + } else { + fw_type = AMD_FW_SKIP; + } + } else if (strcmp(fw_name, "PSP_ABL0_FILE") == 0) { + fw_type = AMD_ABL0; + subprog = 0; + } else if (strcmp(fw_name, "PSP_ABL1_FILE") == 0) { + fw_type = AMD_ABL1; + subprog = 0; + } else if (strcmp(fw_name, "PSP_ABL2_FILE") == 0) { + fw_type = AMD_ABL2; + subprog = 0; + } else if (strcmp(fw_name, "PSP_ABL3_FILE") == 0) { + fw_type = AMD_ABL3; + subprog = 0; + } else if (strcmp(fw_name, "PSP_ABL4_FILE") == 0) { + fw_type = AMD_ABL4; + subprog = 0; + } else if (strcmp(fw_name, "PSP_ABL5_FILE") == 0) { + fw_type = AMD_ABL5; + subprog = 0; + } else if (strcmp(fw_name, "PSP_ABL6_FILE") == 0) { + fw_type = AMD_ABL6; + subprog = 0; + } else if (strcmp(fw_name, "PSP_ABL7_FILE") == 0) { + fw_type = AMD_ABL7; + subprog = 0; + } else if (strcmp(fw_name, "PSPSECUREOS_FILE") == 0) { + if (cb_config->use_secureos == 1) { + fw_type = AMD_FW_PSP_SECURED_OS; + subprog = 0; + } else { + fw_type = AMD_FW_SKIP; + } + } else if (strcmp(fw_name, "PSPTRUSTLETS_FILE") == 0) { + if (cb_config->use_secureos) { + fw_type = AMD_FW_PSP_TRUSTLETS; + subprog = 0; + } else { + fw_type = AMD_FW_SKIP; + } + } else if (strcmp(fw_name, "TRUSTLETKEY_FILE") == 0) { + if (cb_config->use_secureos) { + fw_type = AMD_FW_PSP_TRUSTLETKEY; + subprog = 0; + } else { + fw_type = AMD_FW_SKIP; + } + } else if (strcmp(fw_name, "PSP_IKEK_FILE") == 0) { + fw_type = AMD_WRAPPED_IKEK; + subprog = 0; + } else if (strcmp(fw_name, "PSP_SECG1_FILE") == 0) { + fw_type = AMD_SEC_GASKET; + subprog = 1; + } else if (strcmp(fw_name, "PSP_SECG2_FILE") == 0) { + fw_type = AMD_SEC_GASKET; + subprog = 2; + } else if (strcmp(fw_name, "PSP_MP2FW1_FILE") == 0) { + if (cb_config->load_mp2_fw == 1) { + fw_type = AMD_MP2_FW; + subprog = 1; + } else { + fw_type = AMD_FW_SKIP; + } + } else if (strcmp(fw_name, "PSP_MP2FW2_FILE") == 0) { + if (cb_config->load_mp2_fw == 1) { + fw_type = AMD_MP2_FW; + subprog = 2; + } else { + fw_type = AMD_FW_SKIP; + } + } else if (strcmp(fw_name, "PSP_MP2CFG_FILE") == 0) { + if (cb_config->load_mp2_fw == 1) { + fw_type = AMD_BIOS_MP2_CFG; + subprog = 0; + } else { + fw_type = AMD_FW_SKIP; + } + } else if (strcmp(fw_name, "PSP_DRIVERS_FILE") == 0) { + fw_type = AMD_DRIVER_ENTRIES; + subprog = 0; + } else if (strcmp(fw_name, "PSP_S0I3_FILE") == 0) { + if (cb_config->s0i3 == 1) { + fw_type = AMD_S0I3_DRIVER; + subprog = 0; + } else { + fw_type = AMD_FW_SKIP; + } + } else { + fw_type = AMD_FW_INVALID; + /* TODO: Add more */ + } + /* Search and fill the filename */ + psp_tableptr = &amd_psp_fw_table[0]; + if (fw_type != AMD_FW_SKIP && fw_type != AMD_FW_INVALID) { + while (psp_tableptr->type != AMD_FW_INVALID) { + /* instance are not used in PSP table */ + if (psp_tableptr->type == fw_type && psp_tableptr->subprog == subprog) { + psp_tableptr->filename = filename; + break; + } + psp_tableptr++; + } + } + if (fw_type == AMD_FW_INVALID) + return 0; + else + return 1; +} + +static uint8_t find_register_fw_filename_bios_dir(char *fw_name, char *filename, + amd_cb_config *cb_config) +{ + amd_bios_type fw_type = AMD_BIOS_INVALID; + amd_bios_entry *bhd_tableptr; + uint8_t subprog, instance = 0; + + (void) (cb_config); /* Remove warning and reserved for future. */ + + if (strcmp(fw_name, "PSP_PMUI_FILE1") == 0) { + fw_type = AMD_BIOS_PMUI; + subprog = 0; + instance = 1; + } else if (strcmp(fw_name, "PSP_PMUI_FILE2") == 0) { + fw_type = AMD_BIOS_PMUI; + subprog = 0; + instance = 4; + } else if (strcmp(fw_name, "PSP_PMUI_FILE3") == 0) { + fw_type = AMD_BIOS_PMUI; + subprog = 1; + instance = 1; + } else if (strcmp(fw_name, "PSP_PMUI_FILE4") == 0) { + fw_type = AMD_BIOS_PMUI; + subprog = 1; + instance = 4; + } else if (strcmp(fw_name, "PSP_PMUD_FILE1") == 0) { + fw_type = AMD_BIOS_PMUD; + subprog = 0; + instance = 1; + } else if (strcmp(fw_name, "PSP_PMUD_FILE2") == 0) { + fw_type = AMD_BIOS_PMUD; + subprog = 0; + instance = 4; + } else if (strcmp(fw_name, "PSP_PMUD_FILE3") == 0) { + fw_type = AMD_BIOS_PMUD; + subprog = 1; + instance = 1; + } else if (strcmp(fw_name, "PSP_PMUD_FILE4") == 0) { + fw_type = AMD_BIOS_PMUD; + subprog = 1; + instance = 4; + } else { + fw_type = AMD_BIOS_INVALID; + } + + bhd_tableptr = amd_bios_table; + + if (fw_type != AMD_BIOS_INVALID && fw_type != AMD_BIOS_SKIP) { + while (bhd_tableptr->type != AMD_BIOS_INVALID) { + if (bhd_tableptr->type == fw_type && + bhd_tableptr->subpr == subprog && + bhd_tableptr->inst == instance) { + bhd_tableptr->filename = filename; + break; + } + bhd_tableptr++; + } + } + if (fw_type == AMD_BIOS_INVALID) + return 0; + else + return 1; +} + +#define MAX_LINE_SIZE 1024 + +int get_input_file_line(FILE *f, char line[], int line_buf_size) +{ + if (fgets(line, line_buf_size, f) == NULL) + return LINE_EOF; + + /* If the file contains a line that is too long, then it's best + * to let the user know right away rather than passing back a + * truncated result that will lead to problems later on. + */ + line[strlen(line) - 1] = '\0'; + + if (strlen(line) == ((size_t) (line_buf_size - 1))) { + printf("The line size in config file should be lower than %d bytes.\n", + MAX_LINE_SIZE); + exit(1); + } + + return OK; +} + +static int is_valid_entry(char *oneline, regmatch_t *match) +{ + int retval; + + if (regexec(&entries_line_expr, oneline, 3, match, 0) == 0) { + oneline[match[1].rm_eo] = '\0'; + oneline[match[2].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]; + char dir[MAX_LINE_SIZE] = {'\0'}; + + 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); + + /* Get a line */ + /* Get FIRMWARE_LOCATE 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_LOCATE") == 0) { + strcpy(dir, &(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_LOCATE") == 0) { + continue; + } else { + path_filename = malloc(MAX_LINE_SIZE); + strcpy(path_filename, dir); + strcat(path_filename, "/"); + strcat(path_filename, &(oneline[match[2].rm_so])); + + if (find_register_fw_filename_psp_dir( + &(oneline[match[1].rm_so]), + path_filename, cb_config) == 0) { + if (find_register_fw_filename_bios_dir( + &(oneline[match[1].rm_so]), + path_filename, 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; +} |