diff options
Diffstat (limited to 'util/nvramtool/layout_file.c')
| -rw-r--r-- | util/nvramtool/layout_file.c | 1292 |
1 files changed, 668 insertions, 624 deletions
diff --git a/util/nvramtool/layout_file.c b/util/nvramtool/layout_file.c index 0cdacee0fa..51b332ca0e 100644 --- a/util/nvramtool/layout_file.c +++ b/util/nvramtool/layout_file.c @@ -34,42 +34,39 @@ #include "cmos_lowlevel.h" #include "reg_expr.h" -static void process_layout_file (FILE *f); -static void skip_past_start (FILE *f); -static int process_entry (FILE *f, int skip_add); -static int process_enum (FILE *f, int skip_add); -static void process_checksum_info (FILE *f); -static void skip_remaining_lines (FILE *f); -static void create_entry (cmos_entry_t *cmos_entry, - const char start_bit_str[], const char length_str[], - const char config_str[], const char config_id_str[], - const char name_str[]); -static void try_add_layout_file_entry (const cmos_entry_t *cmos_entry); -static void create_enum (cmos_enum_t *cmos_enum, const char id_str[], - const char value_str[], const char text_str[]); -static void try_add_cmos_enum (const cmos_enum_t *cmos_enum); -static void set_checksum_info (const char start_str[], const char end_str[], - const char index_str[]); -static char cmos_entry_char_value (cmos_entry_config_t config); -static int get_layout_file_line (FILE *f, char line[], int line_buf_size); -static unsigned string_to_unsigned (const char str[], const char str_name[]); -static unsigned long string_to_unsigned_long (const char str[], - const char str_name[]); -static unsigned long do_string_to_unsigned_long (const char str[], - const char str_name[], - const char blurb[]); +static void process_layout_file(FILE * f); +static void skip_past_start(FILE * f); +static int process_entry(FILE * f, int skip_add); +static int process_enum(FILE * f, int skip_add); +static void process_checksum_info(FILE * f); +static void skip_remaining_lines(FILE * f); +static void create_entry(cmos_entry_t * cmos_entry, + const char start_bit_str[], const char length_str[], + const char config_str[], const char config_id_str[], + const char name_str[]); +static void try_add_layout_file_entry(const cmos_entry_t * cmos_entry); +static void create_enum(cmos_enum_t * cmos_enum, const char id_str[], + const char value_str[], const char text_str[]); +static void try_add_cmos_enum(const cmos_enum_t * cmos_enum); +static void set_checksum_info(const char start_str[], const char end_str[], + const char index_str[]); +static char cmos_entry_char_value(cmos_entry_config_t config); +static int get_layout_file_line(FILE * f, char line[], int line_buf_size); +static unsigned string_to_unsigned(const char str[], const char str_name[]); +static unsigned long string_to_unsigned_long(const char str[], + const char str_name[]); +static unsigned long do_string_to_unsigned_long(const char str[], + const char str_name[], + const char blurb[]); /* matches either a blank line or a comment line */ static const char blank_or_comment_regex[] = - /* a blank line */ - "(^[[:space:]]+$)" - - "|" /* or ... */ - - /* a line consisting of: optional whitespace followed by */ - "(^[[:space:]]*" - /* a '#' character and optionally, additional characters */ - "#.*$)"; + /* 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; @@ -77,12 +74,12 @@ static regex_t blank_or_comment_expr; * "entries" section. */ static const char start_entries_regex[] = - /* optional whitespace */ - "^[[:space:]]*" - /* followed by "entries" */ - "entries" - /* followed by optional whitespace */ - "[[:space:]]*$"; + /* optional whitespace */ + "^[[:space:]]*" + /* followed by "entries" */ + "entries" + /* followed by optional whitespace */ + "[[:space:]]*$"; static regex_t start_entries_expr; @@ -90,12 +87,12 @@ static regex_t start_entries_expr; * "enumerations" section */ static const char start_enums_regex[] = - /* optional whitespace */ - "^[[:space:]]*" - /* followed by "enumerations" */ - "enumerations" - /* followed by optional whitespace */ - "[[:space:]]*$"; + /* optional whitespace */ + "^[[:space:]]*" + /* followed by "enumerations" */ + "enumerations" + /* followed by optional whitespace */ + "[[:space:]]*$"; static regex_t start_enums_expr; @@ -103,58 +100,58 @@ static regex_t start_enums_expr; * "checksums" section */ static const char start_checksums_regex[] = - /* optional whitespace */ - "^[[:space:]]*" - /* followed by "checksums" */ - "checksums" - /* followed by optional whitespace */ - "[[:space:]]*$"; + /* optional whitespace */ + "^[[:space:]]*" + /* followed by "checksums" */ + "checksums" + /* followed by optional whitespace */ + "[[:space:]]*$"; static regex_t start_checksums_expr; /* matches a line in a CMOS layout file specifying a CMOS entry */ static const char entries_line_regex[] = - /* optional whitespace */ - "^[[:space:]]*" - /* followed by a chunk of nonwhitespace for start-bit field */ - "([^[:space:]]+)" - /* followed by one or more whitespace characters */ - "[[:space:]]+" - /* followed by a chunk of nonwhitespace for length field */ - "([^[:space:]]+)" - /* followed by one or more whitespace characters */ - "[[:space:]]+" - /* followed by a chunk of nonwhitespace for config field */ - "([^[:space:]]+)" - /* followed by one or more whitespace characters */ - "[[:space:]]+" - /* followed by a chunk of nonwhitespace for config-ID field */ - "([^[:space:]]+)" - /* followed by one or more whitespace characters */ - "[[:space:]]+" - /* followed by a chunk of nonwhitespace for name field */ - "([^[:space:]]+)" - /* followed by optional whitespace */ - "[[:space:]]*$"; + /* optional whitespace */ + "^[[:space:]]*" + /* followed by a chunk of nonwhitespace for start-bit field */ + "([^[:space:]]+)" + /* followed by one or more whitespace characters */ + "[[:space:]]+" + /* followed by a chunk of nonwhitespace for length field */ + "([^[:space:]]+)" + /* followed by one or more whitespace characters */ + "[[:space:]]+" + /* followed by a chunk of nonwhitespace for config field */ + "([^[:space:]]+)" + /* followed by one or more whitespace characters */ + "[[:space:]]+" + /* followed by a chunk of nonwhitespace for config-ID field */ + "([^[:space:]]+)" + /* followed by one or more whitespace characters */ + "[[:space:]]+" + /* followed by a chunk of nonwhitespace for name field */ + "([^[:space:]]+)" + /* followed by optional whitespace */ + "[[:space:]]*$"; static regex_t entries_line_expr; /* matches a line in a CMOS layout file specifying a CMOS enumeration */ static const char enums_line_regex[] = - /* optional whitespace */ - "^[[:space:]]*" - /* followed by a chunk of nonwhitespace for ID field */ - "([^[:space:]]+)" - /* followed by one or more whitespace characters */ - "[[:space:]]+" - /* followed by a chunk of nonwhitespace for value field */ - "([^[:space:]]+)" - /* followed by one or more whitespace characters */ - "[[:space:]]+" - /* followed by a chunk of nonwhitespace for text field */ - "([^[:space:]]+)" - /* followed by optional whitespace */ - "[[:space:]]*$"; + /* optional whitespace */ + "^[[:space:]]*" + /* followed by a chunk of nonwhitespace for ID field */ + "([^[:space:]]+)" + /* followed by one or more whitespace characters */ + "[[:space:]]+" + /* followed by a chunk of nonwhitespace for value field */ + "([^[:space:]]+)" + /* followed by one or more whitespace characters */ + "[[:space:]]+" + /* followed by a chunk of nonwhitespace for text field */ + "([^[:space:]]+)" + /* followed by optional whitespace */ + "[[:space:]]*$"; static regex_t enums_line_expr; @@ -162,24 +159,24 @@ static regex_t enums_line_expr; * information */ static const char checksum_line_regex[] = - /* optional whitespace */ - "^[[:space:]]*" - /* followed by "checksum" */ - "checksum" - /* followed by one or more whitespace characters */ - "[[:space:]]+" - /* followed by a chunk of nonwhitespace for first bit of summed area */ - "([^[:space:]]+)" - /* followed by one or more whitespace characters */ - "[[:space:]]+" - /* followed by a chunk of nonwhitespace for last bit of summed area */ - "([^[:space:]]+)" - /* followed by one or more whitespace characters */ - "[[:space:]]+" - /* followed by a chunk of nonwhitespace for checksum location bit */ - "([^[:space:]]+)" - /* followed by optional whitespace */ - "[[:space:]]*$"; + /* optional whitespace */ + "^[[:space:]]*" + /* followed by "checksum" */ + "checksum" + /* followed by one or more whitespace characters */ + "[[:space:]]+" + /* followed by a chunk of nonwhitespace for first bit of summed area */ + "([^[:space:]]+)" + /* followed by one or more whitespace characters */ + "[[:space:]]+" + /* followed by a chunk of nonwhitespace for last bit of summed area */ + "([^[:space:]]+)" + /* followed by one or more whitespace characters */ + "[[:space:]]+" + /* followed by a chunk of nonwhitespace for checksum location bit */ + "([^[:space:]]+)" + /* followed by optional whitespace */ + "[[:space:]]*$"; static regex_t checksum_line_expr; @@ -194,28 +191,32 @@ static const char *layout_filename = NULL; * * Set the name of the file we will obtain CMOS layout information from. ****************************************************************************/ -void set_layout_filename (const char filename[]) - { layout_filename = filename; } +void set_layout_filename(const char filename[]) +{ + layout_filename = filename; +} /**************************************************************************** * get_layout_from_file * * Read CMOS layout information from the user-specified CMOS layout file. ****************************************************************************/ -void get_layout_from_file (void) - { FILE *f; +void get_layout_from_file(void) +{ + FILE *f; - assert(layout_filename != NULL); + assert(layout_filename != NULL); - if ((f = fopen(layout_filename, "r")) == NULL) - { fprintf(stderr, "%s: Can not open CMOS layout file %s for reading: " - "%s\n", prog_name, layout_filename, strerror(errno)); - exit(1); - } + if ((f = fopen(layout_filename, "r")) == NULL) { + fprintf(stderr, + "%s: Can not open CMOS layout file %s for reading: " + "%s\n", prog_name, layout_filename, strerror(errno)); + exit(1); + } - process_layout_file(f); - fclose(f); - } + process_layout_file(f); + fclose(f); +} /**************************************************************************** * write_cmos_layout @@ -223,35 +224,35 @@ void get_layout_from_file (void) * Write CMOS layout information to file 'f'. The output is written in the * format that CMOS layout files adhere to. ****************************************************************************/ -void write_cmos_layout (FILE *f) - { const cmos_entry_t *cmos_entry; - const cmos_enum_t *cmos_enum; - cmos_checksum_layout_t layout; - - fprintf(f, "entries\n"); - - for (cmos_entry = first_cmos_entry(); - cmos_entry != NULL; - cmos_entry = next_cmos_entry(cmos_entry)) - fprintf(f, "%u %u %c %u %s\n", cmos_entry->bit, cmos_entry->length, - cmos_entry_char_value(cmos_entry->config), - cmos_entry->config_id, cmos_entry->name); - - fprintf(f, "\nenumerations\n"); - - for (cmos_enum = first_cmos_enum(); - cmos_enum != NULL; - cmos_enum = next_cmos_enum(cmos_enum)) - fprintf(f, "%u %llu %s\n", cmos_enum->config_id, cmos_enum->value, - cmos_enum->text); - - layout.summed_area_start = cmos_checksum_start; - layout.summed_area_end = cmos_checksum_end; - layout.checksum_at = cmos_checksum_index; - checksum_layout_to_bits(&layout); - fprintf(f, "\nchecksums\nchecksum %u %u %u\n", layout.summed_area_start, - layout.summed_area_end, layout.checksum_at); - } +void write_cmos_layout(FILE * f) +{ + const cmos_entry_t *cmos_entry; + const cmos_enum_t *cmos_enum; + cmos_checksum_layout_t layout; + + fprintf(f, "entries\n"); + + for (cmos_entry = first_cmos_entry(); + cmos_entry != NULL; cmos_entry = next_cmos_entry(cmos_entry)) + fprintf(f, "%u %u %c %u %s\n", cmos_entry->bit, + cmos_entry->length, + cmos_entry_char_value(cmos_entry->config), + cmos_entry->config_id, cmos_entry->name); + + fprintf(f, "\nenumerations\n"); + + for (cmos_enum = first_cmos_enum(); + cmos_enum != NULL; cmos_enum = next_cmos_enum(cmos_enum)) + fprintf(f, "%u %llu %s\n", cmos_enum->config_id, + cmos_enum->value, cmos_enum->text); + + layout.summed_area_start = cmos_checksum_start; + layout.summed_area_end = cmos_checksum_end; + layout.checksum_at = cmos_checksum_index; + checksum_layout_to_bits(&layout); + fprintf(f, "\nchecksums\nchecksum %u %u %u\n", layout.summed_area_start, + layout.summed_area_end, layout.checksum_at); +} /**************************************************************************** * process_layout_file @@ -259,99 +260,105 @@ void write_cmos_layout (FILE *f) * Read CMOS layout information from file 'f' and add it to our internal * repository. ****************************************************************************/ -static void process_layout_file (FILE *f) - { compile_reg_exprs(REG_EXTENDED | REG_NEWLINE, 7, - blank_or_comment_regex, &blank_or_comment_expr, - start_entries_regex, &start_entries_expr, - entries_line_regex, &entries_line_expr, - start_enums_regex, &start_enums_expr, - enums_line_regex, &enums_line_expr, - start_checksums_regex, &start_checksums_expr, - checksum_line_regex, &checksum_line_expr); - line_num = 1; - skip_past_start(f); - - /* Skip past all entries. We will process these later when we make a - * second pass through the file. - */ - while (!process_entry(f, 1)); - - /* Process all enums, adding them to our internal repository as we go. */ - - if (process_enum(f, 0)) - { fprintf(stderr, "%s: Error: CMOS layout file contains no " - "enumerations.\n", prog_name); - exit(1); - } - - while (!process_enum(f, 0)); - - /* Go back to start of file. */ - line_num = 1; - fseek(f, 0, SEEK_SET); - - skip_past_start(f); - - /* Process all entries, adding them to the repository as we go. We must - * add the entries after the enums, even though they appear in the layout - * file before the enums. This is because the entries are sanity checked - * against the enums as they are added. - */ - - if (process_entry(f, 0)) - { fprintf(stderr, "%s: Error: CMOS layout file contains no entries.\n", - prog_name); - exit(1); - } - - while (!process_entry(f, 0)); - - /* Skip past all enums. They have already been processed. */ - while (!process_enum(f, 1)); - - /* Process CMOS checksum info. */ - process_checksum_info(f); - - /* See if there are any lines left to process. If so, verify that they are - * all either blank lines or comments. - */ - skip_remaining_lines(f); - - free_reg_exprs(7, &blank_or_comment_expr, &start_entries_expr, - &entries_line_expr, &start_enums_expr, - &enums_line_expr, &start_checksums_expr, - &checksum_line_expr); - } +static void process_layout_file(FILE * f) +{ + compile_reg_exprs(REG_EXTENDED | REG_NEWLINE, 7, + blank_or_comment_regex, &blank_or_comment_expr, + start_entries_regex, &start_entries_expr, + entries_line_regex, &entries_line_expr, + start_enums_regex, &start_enums_expr, + enums_line_regex, &enums_line_expr, + start_checksums_regex, &start_checksums_expr, + checksum_line_regex, &checksum_line_expr); + line_num = 1; + skip_past_start(f); + + /* Skip past all entries. We will process these later when we + * make a second pass through the file. + */ + while (!process_entry(f, 1)) ; + + /* Process all enums, adding them to our internal repository as + * we go. */ + + if (process_enum(f, 0)) { + fprintf(stderr, "%s: Error: CMOS layout file contains no " + "enumerations.\n", prog_name); + exit(1); + } + + while (!process_enum(f, 0)) ; + + /* Go back to start of file. */ + line_num = 1; + fseek(f, 0, SEEK_SET); + + skip_past_start(f); + + /* Process all entries, adding them to the repository as we go. + * We must add the entries after the enums, even though they + * appear in the layout file before the enums. This is because + * the entries are sanity checked against the enums as they are + * added. + */ + + if (process_entry(f, 0)) { + fprintf(stderr, + "%s: Error: CMOS layout file contains no entries.\n", + prog_name); + exit(1); + } + + while (!process_entry(f, 0)) ; + + /* Skip past all enums. They have already been processed. */ + while (!process_enum(f, 1)) ; + + /* Process CMOS checksum info. */ + process_checksum_info(f); + + /* See if there are any lines left to process. If so, verify + * that they are all either blank lines or comments. + */ + skip_remaining_lines(f); + + free_reg_exprs(7, &blank_or_comment_expr, &start_entries_expr, + &entries_line_expr, &start_enums_expr, + &enums_line_expr, &start_checksums_expr, + &checksum_line_expr); +} /**************************************************************************** * skip_past_start * * Skip past the line that marks the start of the "entries" section. ****************************************************************************/ -static void skip_past_start (FILE *f) - { char line[LINE_BUF_SIZE]; +static void skip_past_start(FILE * f) +{ + char line[LINE_BUF_SIZE]; - for (; ; line_num++) - { if (get_layout_file_line(f, line, LINE_BUF_SIZE)) - { fprintf(stderr, - "%s: \"entries\" line not found in CMOS layout file.\n", - prog_name); - exit(1); - } + for (;; line_num++) { + if (get_layout_file_line(f, line, LINE_BUF_SIZE)) { + fprintf(stderr, + "%s: \"entries\" line not found in CMOS layout file.\n", + prog_name); + exit(1); + } - if (!regexec(&blank_or_comment_expr, line, 0, NULL, 0)) - continue; + if (!regexec(&blank_or_comment_expr, line, 0, NULL, 0)) + continue; - if (!regexec(&start_entries_expr, line, 0, NULL, 0)) - break; + if (!regexec(&start_entries_expr, line, 0, NULL, 0)) + break; - fprintf(stderr, "%s: Syntax error on line %d of CMOS layout file. " - "\"entries\" line expected.\n", prog_name, line_num); - exit(1); - } + fprintf(stderr, + "%s: Syntax error on line %d of CMOS layout file. " + "\"entries\" line expected.\n", prog_name, line_num); + exit(1); + } - line_num++; - } + line_num++; +} /**************************************************************************** * process_entry @@ -360,56 +367,58 @@ static void skip_past_start (FILE *f) * of layout information. Return 0 if an entry was found and processed. * Return 1 if there are no more entries. ****************************************************************************/ -static int process_entry (FILE *f, int skip_add) - { static const size_t N_MATCHES = 6; - char line[LINE_BUF_SIZE]; - regmatch_t match[N_MATCHES]; - cmos_entry_t cmos_entry; - int result; - - result = 1; - - for (; ; line_num++) - { if (get_layout_file_line(f, line, LINE_BUF_SIZE)) - { fprintf(stderr, - "%s: Unexpected end of CMOS layout file reached while " - "reading \"entries\" section.\n", prog_name); - exit(1); - } - - if (!regexec(&blank_or_comment_expr, line, 0, NULL, 0)) - continue; - - if (regexec(&entries_line_expr, line, N_MATCHES, match, 0)) - { if (regexec(&start_enums_expr, line, 0, NULL, 0)) - { fprintf(stderr, "%s: Syntax error on line %d of CMOS layout " - "file.\n", prog_name, line_num); - exit(1); - } - - break; /* start of enumerations reached: no more entries */ - } - - result = 0; /* next layout entry found */ - - if (skip_add) - break; - - line[match[1].rm_eo] = '\0'; - line[match[2].rm_eo] = '\0'; - line[match[3].rm_eo] = '\0'; - line[match[4].rm_eo] = '\0'; - line[match[5].rm_eo] = '\0'; - create_entry(&cmos_entry, &line[match[1].rm_so], &line[match[2].rm_so], - &line[match[3].rm_so], &line[match[4].rm_so], - &line[match[5].rm_so]); - try_add_layout_file_entry(&cmos_entry); - break; - } - - line_num++; - return result; - } +static int process_entry(FILE * f, int skip_add) +{ + static const size_t N_MATCHES = 6; + char line[LINE_BUF_SIZE]; + regmatch_t match[N_MATCHES]; + cmos_entry_t cmos_entry; + int result; + + result = 1; + + for (;; line_num++) { + if (get_layout_file_line(f, line, LINE_BUF_SIZE)) { + fprintf(stderr, + "%s: Unexpected end of CMOS layout file reached while " + "reading \"entries\" section.\n", prog_name); + exit(1); + } + + if (!regexec(&blank_or_comment_expr, line, 0, NULL, 0)) + continue; + + if (regexec(&entries_line_expr, line, N_MATCHES, match, 0)) { + if (regexec(&start_enums_expr, line, 0, NULL, 0)) { + fprintf(stderr, + "%s: Syntax error on line %d of CMOS layout " + "file.\n", prog_name, line_num); + exit(1); + } + + break; /* start of enumerations reached: no more entries */ + } + + result = 0; /* next layout entry found */ + + if (skip_add) + break; + + line[match[1].rm_eo] = '\0'; + line[match[2].rm_eo] = '\0'; + line[match[3].rm_eo] = '\0'; + line[match[4].rm_eo] = '\0'; + line[match[5].rm_eo] = '\0'; + create_entry(&cmos_entry, &line[match[1].rm_so], + &line[match[2].rm_so], &line[match[3].rm_so], + &line[match[4].rm_so], &line[match[5].rm_so]); + try_add_layout_file_entry(&cmos_entry); + break; + } + + line_num++; + return result; +} /**************************************************************************** * process_enum @@ -418,91 +427,96 @@ static int process_entry (FILE *f, int skip_add) * repository of layout information. Return 0 if an enumeration was found * and processed. Return 1 if there are no more enumerations. ****************************************************************************/ -static int process_enum (FILE *f, int skip_add) - { static const size_t N_MATCHES = 4; - char line[LINE_BUF_SIZE]; - regmatch_t match[N_MATCHES]; - cmos_enum_t cmos_enum; - int result; - - result = 1; - - for (; ; line_num++) - { if (get_layout_file_line(f, line, LINE_BUF_SIZE)) - { fprintf(stderr, - "%s: Unexpected end of CMOS layout file reached while " - "reading \"enumerations\" section.\n", prog_name); - exit(1); - } - - if (!regexec(&blank_or_comment_expr, line, 0, NULL, 0)) - continue; - - if (regexec(&enums_line_expr, line, N_MATCHES, match, 0)) - { if (regexec(&start_checksums_expr, line, 0, NULL, 0)) - { fprintf(stderr, "%s: Syntax error on line %d of CMOS layout " - "file.\n", prog_name, line_num); - exit(1); - } - - break; /* start of checksums reached: no more enumerations */ - } - - result = 0; /* next layout enumeration found */ - - if (skip_add) - break; - - line[match[1].rm_eo] = '\0'; - line[match[2].rm_eo] = '\0'; - line[match[3].rm_eo] = '\0'; - create_enum(&cmos_enum, &line[match[1].rm_so], &line[match[2].rm_so], - &line[match[3].rm_so]); - try_add_cmos_enum(&cmos_enum); - break; - } - - line_num++; - return result; - } +static int process_enum(FILE * f, int skip_add) +{ + static const size_t N_MATCHES = 4; + char line[LINE_BUF_SIZE]; + regmatch_t match[N_MATCHES]; + cmos_enum_t cmos_enum; + int result; + + result = 1; + + for (;; line_num++) { + if (get_layout_file_line(f, line, LINE_BUF_SIZE)) { + fprintf(stderr, + "%s: Unexpected end of CMOS layout file reached while " + "reading \"enumerations\" section.\n", + prog_name); + exit(1); + } + + if (!regexec(&blank_or_comment_expr, line, 0, NULL, 0)) + continue; + + if (regexec(&enums_line_expr, line, N_MATCHES, match, 0)) { + if (regexec(&start_checksums_expr, line, 0, NULL, 0)) { + fprintf(stderr, + "%s: Syntax error on line %d of CMOS layout " + "file.\n", prog_name, line_num); + exit(1); + } + + break; /* start of checksums reached: no more enumerations */ + } + + result = 0; /* next layout enumeration found */ + + if (skip_add) + break; + + line[match[1].rm_eo] = '\0'; + line[match[2].rm_eo] = '\0'; + line[match[3].rm_eo] = '\0'; + create_enum(&cmos_enum, &line[match[1].rm_so], + &line[match[2].rm_so], &line[match[3].rm_so]); + try_add_cmos_enum(&cmos_enum); + break; + } + + line_num++; + return result; +} /**************************************************************************** * process_checksum_info * * Get line conatining CMOS checksum information. ****************************************************************************/ -static void process_checksum_info (FILE *f) - { static const size_t N_MATCHES = 4; - char line[LINE_BUF_SIZE]; - regmatch_t match[N_MATCHES]; - - for (; ; line_num++) - { if (get_layout_file_line(f, line, LINE_BUF_SIZE)) - { fprintf(stderr, - "%s: Unexpected end of CMOS layout file reached while " - "reading \"checksums\" section.\n", prog_name); - exit(1); - } - - if (!regexec(&blank_or_comment_expr, line, 0, NULL, 0)) - continue; - - if (regexec(&checksum_line_expr, line, N_MATCHES, match, 0)) - { fprintf(stderr, "%s: Syntax error on line %d of CMOS layout " - "file. \"checksum\" line expected.\n", prog_name, - line_num); - exit(1); - } - - /* checksum line found */ - line[match[1].rm_eo] = '\0'; - line[match[2].rm_eo] = '\0'; - line[match[3].rm_eo] = '\0'; - set_checksum_info(&line[match[1].rm_so], &line[match[2].rm_so], - &line[match[3].rm_so]); - break; - } - } +static void process_checksum_info(FILE * f) +{ + static const size_t N_MATCHES = 4; + char line[LINE_BUF_SIZE]; + regmatch_t match[N_MATCHES]; + + for (;; line_num++) { + if (get_layout_file_line(f, line, LINE_BUF_SIZE)) { + fprintf(stderr, + "%s: Unexpected end of CMOS layout file reached while " + "reading \"checksums\" section.\n", prog_name); + exit(1); + } + + if (!regexec(&blank_or_comment_expr, line, 0, NULL, 0)) + continue; + + if (regexec(&checksum_line_expr, line, N_MATCHES, match, 0)) { + fprintf(stderr, + "%s: Syntax error on line %d of CMOS layout " + "file. \"checksum\" line expected.\n", + prog_name, line_num); + exit(1); + } + + /* checksum line found */ + line[match[1].rm_eo] = '\0'; + line[match[2].rm_eo] = '\0'; + line[match[3].rm_eo] = '\0'; + set_checksum_info(&line[match[1].rm_so], &line[match[2].rm_so], + &line[match[3].rm_so]); + break; + } +} /**************************************************************************** * skip_remaining_lines @@ -510,20 +524,21 @@ static void process_checksum_info (FILE *f) * Get any remaining lines of unprocessed input. Complain if we find a line * that contains anything other than comments and whitespace. ****************************************************************************/ -static void skip_remaining_lines (FILE *f) - { char line[LINE_BUF_SIZE]; - - for (line_num++; - get_layout_file_line(f, line, LINE_BUF_SIZE) == OK; - line_num++) - { if (regexec(&blank_or_comment_expr, line, 0, NULL, 0)) - { fprintf(stderr, "%s: Syntax error on line %d of CMOS layout file: " - "Only comments and/or whitespace allowed after " - "\"checksum\" line.\n", prog_name, line_num); - exit(1); - } - } - } +static void skip_remaining_lines(FILE * f) +{ + char line[LINE_BUF_SIZE]; + + for (line_num++; + get_layout_file_line(f, line, LINE_BUF_SIZE) == OK; line_num++) { + if (regexec(&blank_or_comment_expr, line, 0, NULL, 0)) { + fprintf(stderr, + "%s: Syntax error on line %d of CMOS layout file: " + "Only comments and/or whitespace allowed after " + "\"checksum\" line.\n", prog_name, line_num); + exit(1); + } + } +} /**************************************************************************** * create_entry @@ -531,54 +546,57 @@ static void skip_remaining_lines (FILE *f) * Create a CMOS entry structure representing the given information. Perform * sanity checking on input parameters. ****************************************************************************/ -static void create_entry (cmos_entry_t *cmos_entry, - const char start_bit_str[], const char length_str[], - const char config_str[], const char config_id_str[], - const char name_str[]) - { cmos_entry->bit = string_to_unsigned(start_bit_str, "start-bit"); - cmos_entry->length = string_to_unsigned(length_str, "length"); - - if (config_str[1] != '\0') - goto bad_config_str; - - switch (config_str[0]) - { case 'e': - cmos_entry->config = CMOS_ENTRY_ENUM; - break; - - case 'h': - cmos_entry->config = CMOS_ENTRY_HEX; - break; - - case 's': - cmos_entry->config = CMOS_ENTRY_STRING; - break; - - case 'r': - cmos_entry->config = CMOS_ENTRY_RESERVED; - break; - - default: - goto bad_config_str; - } - - cmos_entry->config_id = string_to_unsigned(config_id_str, "config-ID"); - - if (strlen(name_str) >= CMOS_MAX_NAME_LENGTH) - { fprintf(stderr, "%s: Error on line %d of CMOS layout file: name too " - "long (max length is %d).\n", prog_name, line_num, - CMOS_MAX_NAME_LENGTH - 1); - exit(1); - } - - strcpy(cmos_entry->name, name_str); - return; - -bad_config_str: - fprintf(stderr, "%s: Error on line %d of CMOS layout file: 'e', 'h', or " - "'r' expected for config value.\n", prog_name, line_num); - exit(1); - } +static void create_entry(cmos_entry_t * cmos_entry, + const char start_bit_str[], const char length_str[], + const char config_str[], const char config_id_str[], + const char name_str[]) +{ + cmos_entry->bit = string_to_unsigned(start_bit_str, "start-bit"); + cmos_entry->length = string_to_unsigned(length_str, "length"); + + if (config_str[1] != '\0') + goto bad_config_str; + + switch (config_str[0]) { + case 'e': + cmos_entry->config = CMOS_ENTRY_ENUM; + break; + + case 'h': + cmos_entry->config = CMOS_ENTRY_HEX; + break; + + case 's': + cmos_entry->config = CMOS_ENTRY_STRING; + break; + + case 'r': + cmos_entry->config = CMOS_ENTRY_RESERVED; + break; + + default: + goto bad_config_str; + } + + cmos_entry->config_id = string_to_unsigned(config_id_str, "config-ID"); + + if (strlen(name_str) >= CMOS_MAX_NAME_LENGTH) { + fprintf(stderr, + "%s: Error on line %d of CMOS layout file: name too " + "long (max length is %d).\n", prog_name, line_num, + CMOS_MAX_NAME_LENGTH - 1); + exit(1); + } + + strcpy(cmos_entry->name, name_str); + return; + + bad_config_str: + fprintf(stderr, + "%s: Error on line %d of CMOS layout file: 'e', 'h', or " + "'r' expected for config value.\n", prog_name, line_num); + exit(1); +} /**************************************************************************** * try_add_layout_file_entry @@ -586,44 +604,48 @@ bad_config_str: * Attempt to add the given CMOS entry to our internal repository. Exit with * an error message on failure. ****************************************************************************/ -static void try_add_layout_file_entry (const cmos_entry_t *cmos_entry) - { const cmos_entry_t *conflict; - - switch (add_cmos_entry(cmos_entry, &conflict)) - { case OK: - return; - - case CMOS_AREA_OUT_OF_RANGE: - fprintf(stderr, "%s: Error on line %d of CMOS layout file. Area " - "covered by entry %s is out of range.\n", prog_name, - line_num, cmos_entry->name); - break; - - case CMOS_AREA_TOO_WIDE: - fprintf(stderr, "%s: Error on line %d of CMOS layout file. Area " - "covered by entry %s is too wide.\n", prog_name, line_num, - cmos_entry->name); - break; - - case LAYOUT_ENTRY_OVERLAP: - fprintf(stderr, "%s: Error on line %d of CMOS layout file. Layouts " - "overlap for entries %s and %s.\n", prog_name, line_num, - cmos_entry->name, conflict->name); - break; - - case LAYOUT_ENTRY_BAD_LENGTH: - /* Silently ignore entries with zero length. Although this should - * never happen in practice, we should handle the case in a - * reasonable manner just to be safe. - */ - return; - - default: - BUG(); - } - - exit(1); - } +static void try_add_layout_file_entry(const cmos_entry_t * cmos_entry) +{ + const cmos_entry_t *conflict; + + switch (add_cmos_entry(cmos_entry, &conflict)) { + case OK: + return; + + case CMOS_AREA_OUT_OF_RANGE: + fprintf(stderr, + "%s: Error on line %d of CMOS layout file. Area " + "covered by entry %s is out of range.\n", prog_name, + line_num, cmos_entry->name); + break; + + case CMOS_AREA_TOO_WIDE: + fprintf(stderr, + "%s: Error on line %d of CMOS layout file. Area " + "covered by entry %s is too wide.\n", prog_name, + line_num, cmos_entry->name); + break; + + case LAYOUT_ENTRY_OVERLAP: + fprintf(stderr, + "%s: Error on line %d of CMOS layout file. Layouts " + "overlap for entries %s and %s.\n", prog_name, line_num, + cmos_entry->name, conflict->name); + break; + + case LAYOUT_ENTRY_BAD_LENGTH: + /* Silently ignore entries with zero length. Although this should + * never happen in practice, we should handle the case in a + * reasonable manner just to be safe. + */ + return; + + default: + BUG(); + } + + exit(1); +} /**************************************************************************** * create_enum @@ -631,20 +653,22 @@ static void try_add_layout_file_entry (const cmos_entry_t *cmos_entry) * Create a CMOS enumeration structure representing the given information. * Perform sanity checking on input parameters. ****************************************************************************/ -static void create_enum (cmos_enum_t *cmos_enum, const char id_str[], - const char value_str[], const char text_str[]) - { cmos_enum->config_id = string_to_unsigned(id_str, "ID"); - cmos_enum->value = string_to_unsigned_long(value_str, "value"); - - if (strlen(text_str) >= CMOS_MAX_TEXT_LENGTH) - { fprintf(stderr, "%s: Error on line %d of CMOS layout file: text too " - "long (max length is %d).\n", prog_name, line_num, - CMOS_MAX_TEXT_LENGTH - 1); - exit(1); - } - - strcpy(cmos_enum->text, text_str); - } +static void create_enum(cmos_enum_t * cmos_enum, const char id_str[], + const char value_str[], const char text_str[]) +{ + cmos_enum->config_id = string_to_unsigned(id_str, "ID"); + cmos_enum->value = string_to_unsigned_long(value_str, "value"); + + if (strlen(text_str) >= CMOS_MAX_TEXT_LENGTH) { + fprintf(stderr, + "%s: Error on line %d of CMOS layout file: text too " + "long (max length is %d).\n", prog_name, line_num, + CMOS_MAX_TEXT_LENGTH - 1); + exit(1); + } + + strcpy(cmos_enum->text, text_str); +} /**************************************************************************** * try_add_cmos_enum @@ -652,23 +676,24 @@ static void create_enum (cmos_enum_t *cmos_enum, const char id_str[], * Attempt to add the given CMOS enum to our internal repository. Exit with * an error message on failure. ****************************************************************************/ -static void try_add_cmos_enum (const cmos_enum_t *cmos_enum) - { switch (add_cmos_enum(cmos_enum)) - { case OK: - return; +static void try_add_cmos_enum(const cmos_enum_t * cmos_enum) +{ + switch (add_cmos_enum(cmos_enum)) { + case OK: + return; - case LAYOUT_DUPLICATE_ENUM: - fprintf(stderr, "%s: Error on line %d of CMOS layout file: " - "Enumeration found with duplicate ID/value combination.\n", - prog_name, line_num); - break; + case LAYOUT_DUPLICATE_ENUM: + fprintf(stderr, "%s: Error on line %d of CMOS layout file: " + "Enumeration found with duplicate ID/value combination.\n", + prog_name, line_num); + break; - default: - BUG(); - } + default: + BUG(); + } - exit(1); - } + exit(1); +} /**************************************************************************** * set_checksum_info @@ -676,100 +701,111 @@ static void try_add_cmos_enum (const cmos_enum_t *cmos_enum) * Set CMOS checksum information according to input parameters and perform * sanity checking on input parameters. ****************************************************************************/ -static void set_checksum_info (const char start_str[], const char end_str[], - const char index_str[]) - { cmos_checksum_layout_t layout; - - /* These are bit positions that we want to convert to byte positions. */ - layout.summed_area_start = - string_to_unsigned(start_str, "CMOS checksummed area start"); - layout.summed_area_end = - string_to_unsigned(end_str, "CMOS checksummed area end"); - layout.checksum_at = - string_to_unsigned(index_str, "CMOS checksum location"); - - switch (checksum_layout_to_bytes(&layout)) - { case OK: - break; - - case LAYOUT_SUMMED_AREA_START_NOT_ALIGNED: - fprintf(stderr, "%s: Error on line %d of CMOS layout file. CMOS " - "checksummed area start is not byte-aligned.\n", prog_name, - line_num); - goto fail; - - case LAYOUT_SUMMED_AREA_END_NOT_ALIGNED: - fprintf(stderr, "%s: Error on line %d of CMOS layout file. CMOS " - "checksummed area end is not byte-aligned.\n", prog_name, - line_num); - goto fail; - - case LAYOUT_CHECKSUM_LOCATION_NOT_ALIGNED: - fprintf(stderr, "%s: Error on line %d of CMOS layout file. CMOS " - "checksum location is not byte-aligned.\n", prog_name, - line_num); - goto fail; - - case LAYOUT_INVALID_SUMMED_AREA: - fprintf(stderr, "%s: Error on line %d of CMOS layout file. CMOS " - "checksummed area end must be greater than CMOS checksummed " - "area start.\n", prog_name, line_num); - goto fail; - - case LAYOUT_CHECKSUM_OVERLAPS_SUMMED_AREA: - fprintf(stderr, "%s: Error on line %d of CMOS layout file. CMOS " - "checksum overlaps checksummed area.\n", prog_name, - line_num); - goto fail; - - case LAYOUT_SUMMED_AREA_OUT_OF_RANGE: - fprintf(stderr, "%s: Error on line %d of CMOS layout file. CMOS " - "checksummed area out of range.\n", prog_name, line_num); - goto fail; - - case LAYOUT_CHECKSUM_LOCATION_OUT_OF_RANGE: - fprintf(stderr, "%s: Error on line %d of CMOS layout file. CMOS " - "checksum location out of range.\n", prog_name, line_num); - goto fail; - - default: - BUG(); - } - - cmos_checksum_start = layout.summed_area_start; - cmos_checksum_end = layout.summed_area_end; - cmos_checksum_index = layout.checksum_at; - return; - -fail: - exit(1); - } +static void set_checksum_info(const char start_str[], const char end_str[], + const char index_str[]) +{ + cmos_checksum_layout_t layout; + + /* These are bit positions that we want to convert to byte positions. */ + layout.summed_area_start = + string_to_unsigned(start_str, "CMOS checksummed area start"); + layout.summed_area_end = + string_to_unsigned(end_str, "CMOS checksummed area end"); + layout.checksum_at = + string_to_unsigned(index_str, "CMOS checksum location"); + + switch (checksum_layout_to_bytes(&layout)) { + case OK: + break; + + case LAYOUT_SUMMED_AREA_START_NOT_ALIGNED: + fprintf(stderr, + "%s: Error on line %d of CMOS layout file. CMOS " + "checksummed area start is not byte-aligned.\n", + prog_name, line_num); + goto fail; + + case LAYOUT_SUMMED_AREA_END_NOT_ALIGNED: + fprintf(stderr, + "%s: Error on line %d of CMOS layout file. CMOS " + "checksummed area end is not byte-aligned.\n", + prog_name, line_num); + goto fail; + + case LAYOUT_CHECKSUM_LOCATION_NOT_ALIGNED: + fprintf(stderr, + "%s: Error on line %d of CMOS layout file. CMOS " + "checksum location is not byte-aligned.\n", prog_name, + line_num); + goto fail; + + case LAYOUT_INVALID_SUMMED_AREA: + fprintf(stderr, + "%s: Error on line %d of CMOS layout file. CMOS " + "checksummed area end must be greater than CMOS checksummed " + "area start.\n", prog_name, line_num); + goto fail; + + case LAYOUT_CHECKSUM_OVERLAPS_SUMMED_AREA: + fprintf(stderr, + "%s: Error on line %d of CMOS layout file. CMOS " + "checksum overlaps checksummed area.\n", prog_name, + line_num); + goto fail; + + case LAYOUT_SUMMED_AREA_OUT_OF_RANGE: + fprintf(stderr, + "%s: Error on line %d of CMOS layout file. CMOS " + "checksummed area out of range.\n", prog_name, + line_num); + goto fail; + + case LAYOUT_CHECKSUM_LOCATION_OUT_OF_RANGE: + fprintf(stderr, + "%s: Error on line %d of CMOS layout file. CMOS " + "checksum location out of range.\n", prog_name, + line_num); + goto fail; + + default: + BUG(); + } + + cmos_checksum_start = layout.summed_area_start; + cmos_checksum_end = layout.summed_area_end; + cmos_checksum_index = layout.checksum_at; + return; + + fail: + exit(1); +} /**************************************************************************** * cmos_entry_char_value * * Return the character representation of 'config'. ****************************************************************************/ -static char cmos_entry_char_value (cmos_entry_config_t config) - { switch (config) - { case CMOS_ENTRY_ENUM: - return 'e'; +static char cmos_entry_char_value(cmos_entry_config_t config) +{ + switch (config) { + case CMOS_ENTRY_ENUM: + return 'e'; - case CMOS_ENTRY_HEX: - return 'h'; + case CMOS_ENTRY_HEX: + return 'h'; - case CMOS_ENTRY_RESERVED: - return 'r'; + case CMOS_ENTRY_RESERVED: + return 'r'; - case CMOS_ENTRY_STRING: - return 's'; + case CMOS_ENTRY_STRING: + return 's'; - default: - BUG(); - } + default: + BUG(); + } - return 0; /* not reached */ - } + return 0; /* not reached */ +} /**************************************************************************** * get_layout_file_line @@ -778,56 +814,62 @@ static char cmos_entry_char_value (cmos_entry_config_t config) * array of 'line_buf_size' bytes. Return OK on success or an error code on * failure. ****************************************************************************/ -static int get_layout_file_line (FILE *f, char line[], int line_buf_size) - { switch (get_line_from_file(f, line, line_buf_size)) - { case OK: - return OK; - - case LINE_EOF: - return LINE_EOF; - - case LINE_TOO_LONG: - fprintf(stderr, "%s: Error on line %d of CMOS layout file: Maximum " - "line length exceeded. Max is %d characters.\n", prog_name, - line_num, line_buf_size - 2); - break; - } - - exit(1); - return 1; /* keep compiler happy */ - } +static int get_layout_file_line(FILE * f, char line[], int line_buf_size) +{ + switch (get_line_from_file(f, line, line_buf_size)) { + case OK: + return OK; + + case LINE_EOF: + return LINE_EOF; + + case LINE_TOO_LONG: + fprintf(stderr, + "%s: Error on line %d of CMOS layout file: Maximum " + "line length exceeded. Max is %d characters.\n", + prog_name, line_num, line_buf_size - 2); + break; + } + + exit(1); + return 1; /* keep compiler happy */ +} /**************************************************************************** * string_to_unsigned * * Convert the string 'str' to an unsigned and return the result. ****************************************************************************/ -static unsigned string_to_unsigned (const char str[], const char str_name[]) - { unsigned long n; - unsigned z; - - n = do_string_to_unsigned_long(str, str_name, ""); - - if ((z = (unsigned) n) != n) - { /* This could happen on an architecture in which sizeof(unsigned) < - * sizeof(unsigned long). - */ - fprintf(stderr, "%s: Error on line %d of CMOS layout file: %s value is " - "out of range.\n", prog_name, line_num, str_name); - exit(1); - } - - return z; - } +static unsigned string_to_unsigned(const char str[], const char str_name[]) +{ + unsigned long n; + unsigned z; + + n = do_string_to_unsigned_long(str, str_name, ""); + + if ((z = (unsigned)n) != n) { + /* This could happen on an architecture in which + * sizeof(unsigned) < sizeof(unsigned long). + */ + fprintf(stderr, + "%s: Error on line %d of CMOS layout file: %s value is " + "out of range.\n", prog_name, line_num, str_name); + exit(1); + } + + return z; +} /**************************************************************************** * string_to_unsigned_long * * Convert the string 'str' to an unsigned long and return the result. ****************************************************************************/ -static unsigned long string_to_unsigned_long (const char str[], - const char str_name[]) - { return do_string_to_unsigned_long(str, str_name, " long"); } +static unsigned long string_to_unsigned_long(const char str[], + const char str_name[]) +{ + return do_string_to_unsigned_long(str, str_name, " long"); +} /**************************************************************************** * do_string_to_unsigned_long @@ -835,20 +877,22 @@ static unsigned long string_to_unsigned_long (const char str[], * Convert the string 'str' to an unsigned long and return the result. Exit * with an appropriate error message on failure. ****************************************************************************/ -static unsigned long do_string_to_unsigned_long (const char str[], - const char str_name[], - const char blurb[]) - { unsigned long n; - char *p; - - n = strtoul(str, &p, 0); - - if (*p != '\0') - { fprintf(stderr, "%s: Error on line %d of CMOS layout file: %s is not a " - "valid unsigned%s integer.\n", prog_name, - line_num, str_name, blurb); - exit(1); - } - - return n; - } +static unsigned long do_string_to_unsigned_long(const char str[], + const char str_name[], + const char blurb[]) +{ + unsigned long n; + char *p; + + n = strtoul(str, &p, 0); + + if (*p != '\0') { + fprintf(stderr, + "%s: Error on line %d of CMOS layout file: %s is not a " + "valid unsigned%s integer.\n", prog_name, line_num, + str_name, blurb); + exit(1); + } + + return n; +} |