diff options
Diffstat (limited to 'util/amdfwtool/data_parse.c')
| -rw-r--r-- | util/amdfwtool/data_parse.c | 71 |
1 files changed, 30 insertions, 41 deletions
diff --git a/util/amdfwtool/data_parse.c b/util/amdfwtool/data_parse.c index 50f844fa67..b94e46f06a 100644 --- a/util/amdfwtool/data_parse.c +++ b/util/amdfwtool/data_parse.c @@ -29,22 +29,7 @@ static const char entries_line_regex[] = "[[:space:]]+" /* followed by a chunk of nonwhitespace for filename field */ "([^[:space:]]+)" - /* followed by optional whitespace */ - "[[:space:]]*$"; -static regex_t entries_line_expr; - -static const char entries_lvl_line_regex[] = - /* optional whitespace */ - "^[[:space:]]*" - /* followed by a chunk of nonwhitespace for macro field */ - "([^[:space:]]+)" - /* followed by one or more whitespace characters */ - "[[:space:]]+" - /* followed by a chunk of nonwhitespace for filename field */ - "([^[:space:]]+)" - /* followed by one or more whitespace characters */ - "[[:space:]]+" - /* followed by a chunk of nonwhitespace for level field + /* followed by an optional whitespace + chunk of nonwhitespace for level field 1st char L: Indicator of field "level" 2nd char: Directory level to be dropped in. @@ -60,10 +45,18 @@ static const char entries_lvl_line_regex[] = L12: Level 1 for normal mode, level 2 for A/B mode Lx1: Use default value for normal mode, level 1 for A/B mode */ - "([Ll][12bxBX]{1,2})" + "([[:space:]]+([Ll][12bxBX]{1,2}))?" /* followed by optional whitespace */ "[[:space:]]*$"; -static regex_t entries_lvl_line_expr; +static regex_t entries_line_expr; + +enum match_id { + FW_TYPE = 1, + FW_FILE, + OPT_SPACE1, + OPT_LEVEL, + N_MATCHES, +}; void compile_reg_expr(int cflags, const char *expr, regex_t *reg) { @@ -579,7 +572,6 @@ int get_input_file_line(FILE *f, char line[], int line_buf_size) return OK; } -#define N_MATCHES 4 static int is_valid_entry(char *oneline, regmatch_t match[N_MATCHES]) { int retval, index; @@ -588,18 +580,14 @@ static int is_valid_entry(char *oneline, regmatch_t match[N_MATCHES]) match[index].rm_so = -1; match[index].rm_eo = -1; } - 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 if (regexec(&entries_lvl_line_expr, oneline, 4, match, 0) == 0) { + if (regexec(&entries_line_expr, oneline, N_MATCHES, match, 0) == 0) { /* match[1]: FW type match[2]: FW filename - match[3]: Directory level to be dropped + match[4]: Optional directory level to be dropped */ - oneline[match[1].rm_eo] = '\0'; - oneline[match[2].rm_eo] = '\0'; - oneline[match[3].rm_eo] = '\0'; + oneline[match[FW_TYPE].rm_eo] = '\0'; + oneline[match[FW_FILE].rm_eo] = '\0'; + oneline[match[OPT_LEVEL].rm_eo] = '\0'; retval = 1; } else { retval = 0; @@ -645,10 +633,11 @@ char get_level_from_config(char *line, regoff_t level_index, amd_cb_config *cb_c static uint8_t process_one_line(char *oneline, regmatch_t *match, char *dir, amd_cb_config *cb_config) { - char *path_filename, *fn = &(oneline[match[2].rm_so]); - char *fw_type_str = &(oneline[match[1].rm_so]); + char *path_filename, *fn = &(oneline[match[FW_FILE].rm_so]); + char *fw_type_str = &(oneline[match[FW_TYPE].rm_so]); char ch_lvl = 'x'; - regoff_t ch_lvl_index = match[3].rm_so; + regoff_t ch_lvl_index = match[OPT_LEVEL].rm_so == match[OPT_LEVEL].rm_eo ? + -1 : match[OPT_LEVEL].rm_so; /* If the optional level field is present, extract the level char. */ @@ -703,6 +692,8 @@ static bool is_second_gen(enum platform platform_type) } } +#define FW_LOCATION "FIRMWARE_LOCATION" +#define SOC_NAME "SOC_NAME" /* return value: 0: The config file can not be parsed correctly. @@ -725,8 +716,6 @@ uint8_t process_config(FILE *config, amd_cb_config *cb_config) 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 */ @@ -735,14 +724,14 @@ uint8_t process_config(FILE *config, amd_cb_config *cb_config) 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; + if (strcmp(&(oneline[match[FW_TYPE].rm_so]), FW_LOCATION) == 0) { + dir_len = match[FW_FILE].rm_eo - match[FW_FILE].rm_so; assert(dir_len < MAX_LINE_SIZE); snprintf(dir, MAX_LINE_SIZE, "%.*s", dir_len, - &(oneline[match[2].rm_so])); - } else if (strcmp(&(oneline[match[1].rm_so]), "SOC_NAME") == 0) { - cb_config->soc_id = - identify_platform(&(oneline[match[2].rm_so])); + &(oneline[match[FW_FILE].rm_so])); + } else if (strcmp(&(oneline[match[FW_TYPE].rm_so]), SOC_NAME) == 0) { + cb_config->soc_id = identify_platform( + &(oneline[match[FW_FILE].rm_so])); } } } @@ -770,8 +759,8 @@ uint8_t process_config(FILE *config, amd_cb_config *cb_config) if (skip_comment_blank_line(oneline)) continue; if (is_valid_entry(oneline, match)) { - if (strcmp(&(oneline[match[1].rm_so]), "FIRMWARE_LOCATION") == 0 || - strcmp(&(oneline[match[1].rm_so]), "SOC_NAME") == 0) { + if (strcmp(&(oneline[match[FW_TYPE].rm_so]), FW_LOCATION) == 0 || + strcmp(&(oneline[match[FW_TYPE].rm_so]), SOC_NAME) == 0) { continue; } else { if (process_one_line(oneline, match, dir, |