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Diffstat (limited to 'util/nvramtool/input_file.c')
-rw-r--r--util/nvramtool/input_file.c424
1 files changed, 217 insertions, 207 deletions
diff --git a/util/nvramtool/input_file.c b/util/nvramtool/input_file.c
index 99b580e9e5..38214d90c0 100644
--- a/util/nvramtool/input_file.c
+++ b/util/nvramtool/input_file.c
@@ -35,38 +35,35 @@
#include "cmos_lowlevel.h"
#include "reg_expr.h"
-static int get_input_file_line (FILE *f, char line[], int line_buf_size);
-static unsigned long long try_prepare_cmos_write (const cmos_entry_t *e,
- const char value_str[]);
+static int get_input_file_line(FILE * f, char line[], int line_buf_size);
+static unsigned long long try_prepare_cmos_write(const cmos_entry_t * e,
+ const char value_str[]);
/* 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:]]+$)" "|" /* or ... */
+ /* a line consisting of: optional whitespace followed by */
+ "(^[[:space:]]*"
+ /* a '#' character and optionally, additional characters */
+ "#.*$)";
/* matches an assignment line */
const char assignment_regex[] =
- /* optional whitespace */
- "^[[:space:]]*"
- /* followed by a coreboot parameter name */
- "([^[:space:]]+)"
- /* followed by optional whitespace */
- "[[:space:]]*"
- /* followed by an '=' character */
- "="
- /* followed by optional whitespace */
- "[[:space:]]*"
- /* followed by a value that may contain embedded whitespace */
- "([^[:space:]]+([[:space:]]+[^[:space:]]+)*)+"
- /* followed by optional whitespace */
- "[[:space:]]*$";
+ /* optional whitespace */
+ "^[[:space:]]*"
+ /* followed by a coreboot parameter name */
+ "([^[:space:]]+)"
+ /* followed by optional whitespace */
+ "[[:space:]]*"
+ /* followed by an '=' character */
+ "="
+ /* followed by optional whitespace */
+ "[[:space:]]*"
+ /* followed by a value that may contain embedded whitespace */
+ "([^[:space:]]+([[:space:]]+[^[:space:]]+)*)+"
+ /* followed by optional whitespace */
+ "[[:space:]]*$";
static int line_num;
@@ -77,77 +74,77 @@ static int line_num;
* write operations. Perform sanity checking on all write operations and
* exit with an error message if there is a problem.
****************************************************************************/
-cmos_write_t * process_input_file (FILE *f)
- {
- static const int LINE_BUF_SIZE = 256;
- static const size_t N_MATCHES = 4;
- char line[LINE_BUF_SIZE];
- const char *name, *value;
- cmos_write_t *list, *item, **p;
- regex_t blank_or_comment, assignment;
- regmatch_t match[N_MATCHES];
- const cmos_entry_t *e;
-
- list = NULL;
- p = &list;
-
- compile_reg_exprs(REG_EXTENDED | REG_NEWLINE, 2, blank_or_comment_regex,
- &blank_or_comment, assignment_regex, &assignment);
-
- /* each iteration processes one line from input file */
- for (line_num = 1;
- get_input_file_line(f, line, LINE_BUF_SIZE) == OK;
- line_num++)
- { /* skip comments and blank lines */
- if (!regexec(&blank_or_comment, line, 0, NULL, 0))
- continue;
-
- /* Is this a valid assignment line? If not, then it's a syntax
- * error.
- */
- if (regexec(&assignment, line, N_MATCHES, match, 0))
- { fprintf(stderr, "%s: Syntax error on line %d of input file.\n",
- prog_name, line_num);
- exit(1);
- }
-
- /* OK, we found an assignment. Break the line into substrings
- * representing the lefthand and righthand sides of the assignment.
- */
- line[match[1].rm_eo] = '\0';
- line[match[2].rm_eo] = '\0';
- name = &line[match[1].rm_so];
- value = &line[match[2].rm_so];
-
- /* now look up the coreboot parameter name */
- if (is_checksum_name(name) || (e = find_cmos_entry(name)) == NULL)
- { fprintf(stderr, "%s: Error on line %d of input file: CMOS parameter "
- "%s not found.\n", prog_name, line_num, name);
- exit(1);
- }
-
- /* At this point, we figure out what numeric value needs to be written
- * to which location. At the same time, we perform sanity checking on
- * the write operation.
- */
-
- if ((item = (cmos_write_t *) malloc(sizeof(*item))) == NULL)
- out_of_memory();
-
- item->bit = e->bit;
- item->length = e->length;
- item->config = e->config;
- item->value = try_prepare_cmos_write(e, value);
-
- /* Append write operation to pending write list. */
- item->next = NULL;
- *p = item;
- p = &item->next;
- }
-
- free_reg_exprs(2, &blank_or_comment, &assignment);
- return list;
- }
+cmos_write_t *process_input_file(FILE * f)
+{
+ static const int LINE_BUF_SIZE = 256;
+ static const size_t N_MATCHES = 4;
+ char line[LINE_BUF_SIZE];
+ const char *name, *value;
+ cmos_write_t *list, *item, **p;
+ regex_t blank_or_comment, assignment;
+ regmatch_t match[N_MATCHES];
+ const cmos_entry_t *e;
+
+ list = NULL;
+ p = &list;
+
+ compile_reg_exprs(REG_EXTENDED | REG_NEWLINE, 2, blank_or_comment_regex,
+ &blank_or_comment, assignment_regex, &assignment);
+
+ /* each iteration processes one line from input file */
+ for (line_num = 1; get_input_file_line(f, line, LINE_BUF_SIZE) == OK; line_num++) { /* skip comments and blank lines */
+ if (!regexec(&blank_or_comment, line, 0, NULL, 0))
+ continue;
+
+ /* Is this a valid assignment line? If not, then it's a syntax
+ * error.
+ */
+ if (regexec(&assignment, line, N_MATCHES, match, 0)) {
+ fprintf(stderr,
+ "%s: Syntax error on line %d of input file.\n",
+ prog_name, line_num);
+ exit(1);
+ }
+
+ /* OK, we found an assignment. Break the line into substrings
+ * representing the lefthand and righthand sides of the assignment.
+ */
+ line[match[1].rm_eo] = '\0';
+ line[match[2].rm_eo] = '\0';
+ name = &line[match[1].rm_so];
+ value = &line[match[2].rm_so];
+
+ /* now look up the coreboot parameter name */
+ if (is_checksum_name(name)
+ || (e = find_cmos_entry(name)) == NULL) {
+ fprintf(stderr,
+ "%s: Error on line %d of input file: CMOS parameter "
+ "%s not found.\n", prog_name, line_num, name);
+ exit(1);
+ }
+
+ /* At this point, we figure out what numeric value needs to be written
+ * to which location. At the same time, we perform sanity checking on
+ * the write operation.
+ */
+
+ if ((item = (cmos_write_t *) malloc(sizeof(*item))) == NULL)
+ out_of_memory();
+
+ item->bit = e->bit;
+ item->length = e->length;
+ item->config = e->config;
+ item->value = try_prepare_cmos_write(e, value);
+
+ /* Append write operation to pending write list. */
+ item->next = NULL;
+ *p = item;
+ p = &item->next;
+ }
+
+ free_reg_exprs(2, &blank_or_comment, &assignment);
+ return list;
+}
/****************************************************************************
* do_cmos_writes
@@ -156,25 +153,26 @@ cmos_write_t * process_input_file (FILE *f)
* all sanity checks. Perform all write operations, destroying the list as
* we go.
****************************************************************************/
-void do_cmos_writes (cmos_write_t *list)
- { cmos_write_t *item;
-
- set_iopl(3);
-
- while (list != NULL)
- { cmos_entry_t e;
- item = list;
- e.bit = item->bit;
- e.length = item->length;
- e.config = item->config;
- list = item->next;
- cmos_write(&e, item->value);
- free(item);
- }
-
- cmos_checksum_write(cmos_checksum_compute());
- set_iopl(0);
- }
+void do_cmos_writes(cmos_write_t * list)
+{
+ cmos_write_t *item;
+
+ set_iopl(3);
+
+ while (list != NULL) {
+ cmos_entry_t e;
+ item = list;
+ e.bit = item->bit;
+ e.length = item->length;
+ e.config = item->config;
+ list = item->next;
+ cmos_write(&e, item->value);
+ free(item);
+ }
+
+ cmos_checksum_write(cmos_checksum_compute());
+ set_iopl(0);
+}
/****************************************************************************
* get_input_file_line
@@ -183,27 +181,29 @@ void do_cmos_writes (cmos_write_t *list)
* array of 'line_buf_size' bytes. Return OK on success or an error code on
* error.
****************************************************************************/
-static int get_input_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 input file: Maximum line "
- "length exceeded. Max is %d characters.\n", prog_name,
- line_num, line_buf_size - 2);
- break;
-
- default:
- BUG();
- }
-
- exit(1);
- return 1; /* keep compiler happy */
- }
+static int get_input_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 input file: Maximum line "
+ "length exceeded. Max is %d characters.\n", prog_name,
+ line_num, line_buf_size - 2);
+ break;
+
+ default:
+ BUG();
+ }
+
+ exit(1);
+ return 1; /* keep compiler happy */
+}
/****************************************************************************
* try_prepare_cmos_write
@@ -212,73 +212,83 @@ static int get_input_file_line (FILE *f, char line[], int line_buf_size)
* CMOS memory. On success, return the converted value. On error, exit with
* an error message.
****************************************************************************/
-static unsigned long long try_prepare_cmos_write (const cmos_entry_t *e,
- const char value_str[])
- { unsigned long long value;
-
- switch (prepare_cmos_write(e, value_str, &value))
- { case OK:
- return value;
-
- case CMOS_OP_BAD_ENUM_VALUE:
- fprintf(stderr, "%s: Error on line %d of input file: Bad value for "
- "parameter %s.", prog_name, line_num, e->name);
- break;
-
- case CMOS_OP_NEGATIVE_INT:
- fprintf(stderr, "%s: Error on line %d of input file: This program "
- "does not support assignment of negative numbers to "
- "coreboot parameters.", prog_name, line_num);
- break;
-
- case CMOS_OP_INVALID_INT:
- fprintf(stderr, "%s: Error on line %d of input file: %s is not a "
- "valid integer.", prog_name, line_num, value_str);
- break;
-
- case CMOS_OP_RESERVED:
- fprintf(stderr, "%s: Error on line %d of input file: Can not modify "
- "reserved coreboot parameter %s.", prog_name, line_num,
- e->name);
- break;
-
- case CMOS_OP_VALUE_TOO_WIDE:
- fprintf(stderr, "%s: Error on line %d of input file: Can not write "
- "value %s to CMOS parameter %s that is only %d bits wide.",
- prog_name, line_num, value_str, e->name, e->length);
- break;
-
- case CMOS_OP_NO_MATCHING_ENUM:
- fprintf(stderr, "%s: coreboot parameter %s has no matching enums.",
- prog_name, e->name);
- break;
-
- case CMOS_AREA_OUT_OF_RANGE:
- fprintf(stderr, "%s: The CMOS area specified by the layout info for "
- "coreboot parameter %s is out of range.", prog_name,
- e->name);
- break;
-
- case CMOS_AREA_OVERLAPS_RTC:
- fprintf(stderr, "%s: The CMOS area specified by the layout info for "
- "coreboot parameter %s overlaps the realtime clock area.",
- prog_name, e->name);
- break;
-
- case CMOS_AREA_TOO_WIDE:
- fprintf(stderr, "%s: The CMOS area specified by the layout info for "
- "coreboot parameter %s is too wide.",
- prog_name, e->name);
- break;
-
- default:
- fprintf(stderr,
- "%s: Unknown error encountered while attempting to modify "
- "coreboot parameter %s.", prog_name, e->name);
- break;
- }
-
- fprintf(stderr, " No CMOS writes performed.\n");
- exit(1);
- return 0; /* keep compiler happy */
- }
+static unsigned long long try_prepare_cmos_write(const cmos_entry_t * e,
+ const char value_str[])
+{
+ unsigned long long value;
+
+ switch (prepare_cmos_write(e, value_str, &value)) {
+ case OK:
+ return value;
+
+ case CMOS_OP_BAD_ENUM_VALUE:
+ fprintf(stderr,
+ "%s: Error on line %d of input file: Bad value for "
+ "parameter %s.", prog_name, line_num, e->name);
+ break;
+
+ case CMOS_OP_NEGATIVE_INT:
+ fprintf(stderr,
+ "%s: Error on line %d of input file: This program "
+ "does not support assignment of negative numbers to "
+ "coreboot parameters.", prog_name, line_num);
+ break;
+
+ case CMOS_OP_INVALID_INT:
+ fprintf(stderr,
+ "%s: Error on line %d of input file: %s is not a "
+ "valid integer.", prog_name, line_num, value_str);
+ break;
+
+ case CMOS_OP_RESERVED:
+ fprintf(stderr,
+ "%s: Error on line %d of input file: Can not modify "
+ "reserved coreboot parameter %s.", prog_name, line_num,
+ e->name);
+ break;
+
+ case CMOS_OP_VALUE_TOO_WIDE:
+ fprintf(stderr,
+ "%s: Error on line %d of input file: Can not write "
+ "value %s to CMOS parameter %s that is only %d bits wide.",
+ prog_name, line_num, value_str, e->name, e->length);
+ break;
+
+ case CMOS_OP_NO_MATCHING_ENUM:
+ fprintf(stderr,
+ "%s: coreboot parameter %s has no matching enums.",
+ prog_name, e->name);
+ break;
+
+ case CMOS_AREA_OUT_OF_RANGE:
+ fprintf(stderr,
+ "%s: The CMOS area specified by the layout info for "
+ "coreboot parameter %s is out of range.", prog_name,
+ e->name);
+ break;
+
+ case CMOS_AREA_OVERLAPS_RTC:
+ fprintf(stderr,
+ "%s: The CMOS area specified by the layout info for "
+ "coreboot parameter %s overlaps the realtime clock area.",
+ prog_name, e->name);
+ break;
+
+ case CMOS_AREA_TOO_WIDE:
+ fprintf(stderr,
+ "%s: The CMOS area specified by the layout info for "
+ "coreboot parameter %s is too wide.", prog_name,
+ e->name);
+ break;
+
+ default:
+ fprintf(stderr,
+ "%s: Unknown error encountered while attempting to modify "
+ "coreboot parameter %s.", prog_name, e->name);
+ break;
+ }
+
+ fprintf(stderr, " No CMOS writes performed.\n");
+ exit(1);
+ return 0; /* keep compiler happy */
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-02 23:39:55 +0000