* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
\*****************************************************************************/
+#include <arpa/inet.h>
#include <string.h>
#include <sys/mman.h>
#include "common.h"
#include "layout.h"
#include "cmos_lowlevel.h"
#include "hexdump.h"
+#include "cbfs.h"
typedef void (*lbtable_print_fn_t) (const struct lb_record * rec);
unsigned long end,
int *bad_header_count,
int *bad_table_count);
-static void process_cmos_table(void);
-static void get_cmos_checksum_info(void);
-static void try_convert_checksum_layout(cmos_checksum_layout_t * layout);
-static void try_add_cmos_table_enum(cmos_enum_t * cmos_enum);
-static void try_add_cmos_table_entry(cmos_entry_t * cmos_entry);
-static const struct lb_record *find_lbrec(uint32_t tag);
static const char *lbrec_tag_to_str(uint32_t tag);
-static const struct cmos_entries *first_cmos_table_entry(void);
-static const struct cmos_entries *next_cmos_table_entry(const struct
- cmos_entries *last);
-static const struct cmos_enums *first_cmos_table_enum(void);
-static const struct cmos_enums *next_cmos_table_enum
- (const struct cmos_enums *last);
-static const struct lb_record *first_cmos_rec(uint32_t tag);
-static const struct lb_record *next_cmos_rec(const struct lb_record *last,
- uint32_t tag);
static void memory_print_fn(const struct lb_record *rec);
static void mainboard_print_fn(const struct lb_record *rec);
static void cmos_opt_table_print_fn(const struct lb_record *rec);
static void print_unknown_record(const struct lb_record *cmos_item);
static void option_checksum_print_fn(const struct lb_record *rec);
static void string_print_fn(const struct lb_record *rec);
-static void uint64_to_hex_string(char str[], uint64_t n);
static const char memory_desc[] =
" This shows information about system memory.\n";
/* Pointer to coreboot table. */
static const struct lb_header *lbtable = NULL;
-/* The CMOS option table is located within the coreboot table. It tells us
- * where the CMOS parameters are located in the nonvolatile RAM.
- */
-static const struct cmos_option_table *cmos_table = NULL;
-
static const hexdump_format_t format =
- { 12, 4, " ", " | ", " ", " | ", '.', NULL };
+ { 12, 4, " ", " | ", " ", " | ", '.' };
/****************************************************************************
* vtophys
exit(1);
}
-/****************************************************************************
- * get_layout_from_cmos_table
- *
- * Find the CMOS table which is stored within the coreboot table and set the
- * global variable cmos_table to point to it.
- ****************************************************************************/
-void get_layout_from_cmos_table(void)
-{
-
- get_lbtable();
- cmos_table = (const struct cmos_option_table *)
- find_lbrec(LB_TAG_CMOS_OPTION_TABLE);
-
- if ((cmos_table) == NULL) {
- fprintf(stderr,
- "%s: CMOS option table not found in coreboot table. "
- "Apparently, the coreboot installed on this system was "
- "built without specifying CONFIG_HAVE_OPTION_TABLE.\n",
- prog_name);
- exit(1);
- }
-
- process_cmos_table();
- get_cmos_checksum_info();
-}
-
/****************************************************************************
* dump_lbtable
*
" table_bytes: 0x%x (decimal: %d)\n"
" table_checksum: 0x%x (decimal: %d)\n"
" table_entries: 0x%x (decimal: %d)\n\n",
- vtophys(lbtable), *((uint32_t *) lbtable->signature),
+ vtophys(lbtable), lbtable->signature32,
lbtable->signature[0], lbtable->signature[1],
lbtable->signature[2], lbtable->signature[3],
lbtable->header_bytes, lbtable->header_bytes,
int *bad_header_count,
int *bad_table_count)
{
- static const char signature[] = { 'L', 'B', 'I', 'O' };
+ static const char signature[4] = { 'L', 'B', 'I', 'O' };
const struct lb_header *table;
const struct lb_forward *forward;
const uint32_t *p;
uint32_t sig;
assert(end >= start);
- sig = (*((const uint32_t *)signature));
+ memcpy(&sig, signature, sizeof(sig));
table = NULL;
*bad_header_count = 0;
*bad_table_count = 0;
return NULL;
}
-/****************************************************************************
- * process_cmos_table
- *
- * Extract layout information from the CMOS option table and store it in our
- * internal repository.
- ****************************************************************************/
-static void process_cmos_table(void)
-{
- const struct cmos_enums *p;
- const struct cmos_entries *q;
- cmos_enum_t cmos_enum;
- cmos_entry_t cmos_entry;
-
- /* First add the enums. */
- for (p = first_cmos_table_enum(); p != NULL;
- p = next_cmos_table_enum(p)) {
- cmos_enum.config_id = p->config_id;
- cmos_enum.value = p->value;
- strncpy(cmos_enum.text, (char *)p->text, CMOS_MAX_TEXT_LENGTH);
- cmos_enum.text[CMOS_MAX_TEXT_LENGTH] = '\0';
- try_add_cmos_table_enum(&cmos_enum);
- }
-
- /* Now add the entries. We must add the entries after the enums because
- * the entries are sanity checked against the enums as they are added.
- */
- for (q = first_cmos_table_entry(); q != NULL;
- q = next_cmos_table_entry(q)) {
- cmos_entry.bit = q->bit;
- cmos_entry.length = q->length;
-
- switch (q->config) {
- case 'e':
- cmos_entry.config = CMOS_ENTRY_ENUM;
- break;
-
- case 'h':
- cmos_entry.config = CMOS_ENTRY_HEX;
- break;
-
- case 'r':
- cmos_entry.config = CMOS_ENTRY_RESERVED;
- break;
-
- case 's':
- cmos_entry.config = CMOS_ENTRY_STRING;
- break;
-
- default:
- fprintf(stderr,
- "%s: Entry in CMOS option table has unknown config "
- "value.\n", prog_name);
- exit(1);
- }
-
- cmos_entry.config_id = q->config_id;
- strncpy(cmos_entry.name, (char *)q->name, CMOS_MAX_NAME_LENGTH);
- cmos_entry.name[CMOS_MAX_NAME_LENGTH] = '\0';
- try_add_cmos_table_entry(&cmos_entry);
- }
-}
-
-/****************************************************************************
- * get_cmos_checksum_info
- *
- * Get layout information for CMOS checksum.
- ****************************************************************************/
-static void get_cmos_checksum_info(void)
-{
- const cmos_entry_t *e;
- struct cmos_checksum *checksum;
- cmos_checksum_layout_t layout;
- unsigned index, index2;
-
- checksum = (struct cmos_checksum *)find_lbrec(LB_TAG_OPTION_CHECKSUM);
-
- if (checksum != NULL) { /* We are lucky. The coreboot table hints us to the checksum.
- * We might have to check the type field here though.
- */
- layout.summed_area_start = checksum->range_start;
- layout.summed_area_end = checksum->range_end;
- layout.checksum_at = checksum->location;
- try_convert_checksum_layout(&layout);
- cmos_checksum_start = layout.summed_area_start;
- cmos_checksum_end = layout.summed_area_end;
- cmos_checksum_index = layout.checksum_at;
- return;
- }
-
- if ((e = find_cmos_entry(checksum_param_name)) == NULL)
- return;
-
- /* If we get here, we are unlucky. The CMOS option table contains the
- * location of the CMOS checksum. However, there is no information
- * regarding which bytes of the CMOS area the checksum is computed over.
- * Thus we have to hope our presets will be fine.
- */
-
- if (e->bit % 8) {
- fprintf(stderr,
- "%s: Error: CMOS checksum is not byte-aligned.\n",
- prog_name);
- exit(1);
- }
-
- index = e->bit / 8;
- index2 = index + 1; /* The CMOS checksum occupies 16 bits. */
-
- if (verify_cmos_byte_index(index) || verify_cmos_byte_index(index2)) {
- fprintf(stderr,
- "%s: Error: CMOS checksum location out of range.\n",
- prog_name);
- exit(1);
- }
-
- if (((index >= cmos_checksum_start) && (index <= cmos_checksum_end)) ||
- (((index2) >= cmos_checksum_start)
- && ((index2) <= cmos_checksum_end))) {
- fprintf(stderr,
- "%s: Error: CMOS checksum overlaps checksummed area.\n",
- prog_name);
- exit(1);
- }
-
- cmos_checksum_index = index;
-}
-
-/****************************************************************************
- * try_convert_checksum_layout
- *
- * Perform sanity checking on CMOS checksum layout information and attempt to
- * convert information from bit positions to byte positions. Return OK on
- * success or an error code on failure.
- ****************************************************************************/
-static void try_convert_checksum_layout(cmos_checksum_layout_t * layout)
-{
- switch (checksum_layout_to_bytes(layout)) {
- case OK:
- return;
-
- case LAYOUT_SUMMED_AREA_START_NOT_ALIGNED:
- fprintf(stderr,
- "%s: CMOS checksummed area start is not byte-aligned.\n",
- prog_name);
- break;
-
- case LAYOUT_SUMMED_AREA_END_NOT_ALIGNED:
- fprintf(stderr,
- "%s: CMOS checksummed area end is not byte-aligned.\n",
- prog_name);
- break;
-
- case LAYOUT_CHECKSUM_LOCATION_NOT_ALIGNED:
- fprintf(stderr,
- "%s: CMOS checksum location is not byte-aligned.\n",
- prog_name);
- break;
-
- case LAYOUT_INVALID_SUMMED_AREA:
- fprintf(stderr,
- "%s: CMOS checksummed area end must be greater than "
- "CMOS checksummed area start.\n", prog_name);
- break;
-
- case LAYOUT_CHECKSUM_OVERLAPS_SUMMED_AREA:
- fprintf(stderr,
- "%s: CMOS checksum overlaps checksummed area.\n",
- prog_name);
- break;
-
- case LAYOUT_SUMMED_AREA_OUT_OF_RANGE:
- fprintf(stderr,
- "%s: CMOS checksummed area out of range.\n", prog_name);
- break;
-
- case LAYOUT_CHECKSUM_LOCATION_OUT_OF_RANGE:
- fprintf(stderr,
- "%s: CMOS checksum location out of range.\n",
- prog_name);
- break;
-
- default:
- BUG();
- }
-
- exit(1);
-}
-
-/****************************************************************************
- * try_add_cmos_table_enum
- *
- * Attempt to add a CMOS enum to our internal repository. Exit with an error
- * message on failure.
- ****************************************************************************/
-static void try_add_cmos_table_enum(cmos_enum_t * cmos_enum)
-{
- switch (add_cmos_enum(cmos_enum)) {
- case OK:
- return;
-
- case LAYOUT_DUPLICATE_ENUM:
- fprintf(stderr, "%s: Duplicate enum %s found in CMOS option "
- "table.\n", prog_name, cmos_enum->text);
- break;
-
- default:
- BUG();
- }
-
- exit(1);
-}
-
-/****************************************************************************
- * try_add_cmos_table_entry
- *
- * Attempt to add a CMOS entry to our internal repository. Exit with an
- * error message on failure.
- ****************************************************************************/
-static void try_add_cmos_table_entry(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: Bad CMOS option layout in CMOS option table entry "
- "%s.\n", prog_name, cmos_entry->name);
- break;
-
- case CMOS_AREA_TOO_WIDE:
- fprintf(stderr,
- "%s: Area too wide for CMOS option table entry %s.\n",
- prog_name, cmos_entry->name);
- break;
-
- case LAYOUT_ENTRY_OVERLAP:
- fprintf(stderr,
- "%s: CMOS option table entries %s and %s have overlapping "
- "layouts.\n", prog_name, 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);
-}
-
/****************************************************************************
* find_lbrec
*
* Find the record in the coreboot table that matches 'tag'. Return pointer
* to record on success or NULL if record not found.
****************************************************************************/
-static const struct lb_record *find_lbrec(uint32_t tag)
+const struct lb_record *find_lbrec(uint32_t tag)
{
const char *p;
uint32_t bytes_processed;
return "UNKNOWN";
}
-/****************************************************************************
- * first_cmos_table_entry
- *
- * Return a pointer to the first entry in the CMOS table that represents a
- * CMOS parameter. Return NULL if CMOS table is empty.
- ****************************************************************************/
-static const struct cmos_entries *first_cmos_table_entry(void)
-{
- return (const struct cmos_entries *)first_cmos_rec(LB_TAG_OPTION);
-}
-
-/****************************************************************************
- * next_cmos_table_entry
- *
- * Return a pointer to the next entry after 'last' in the CMOS table that
- * represents a CMOS parameter. Return NULL if there are no more parameters.
- ****************************************************************************/
-static const struct cmos_entries *next_cmos_table_entry(const struct
- cmos_entries *last)
-{
- return (const struct cmos_entries *)
- next_cmos_rec((const struct lb_record *)last, LB_TAG_OPTION);
-}
-
-/****************************************************************************
- * first_cmos_table_enum
- *
- * Return a pointer to the first entry in the CMOS table that represents a
- * possible CMOS parameter value. Return NULL if the table does not contain
- * any such entries.
- ****************************************************************************/
-static const struct cmos_enums *first_cmos_table_enum(void)
-{
- return (const struct cmos_enums *)first_cmos_rec(LB_TAG_OPTION_ENUM);
-}
-
-/****************************************************************************
- * next_cmos_table_enum
- *
- * Return a pointer to the next entry after 'last' in the CMOS table that
- * represents a possible CMOS parameter value. Return NULL if there are no
- * more parameter values.
- ****************************************************************************/
-static const struct cmos_enums *next_cmos_table_enum
- (const struct cmos_enums *last) {
- return (const struct cmos_enums *)
- next_cmos_rec((const struct lb_record *)last, LB_TAG_OPTION_ENUM);
-}
-
-/****************************************************************************
- * first_cmos_rec
- *
- * Return a pointer to the first entry in the CMOS table whose type matches
- * 'tag'. Return NULL if CMOS table contains no such entry.
- *
- * Possible values for 'tag' are as follows:
- *
- * LB_TAG_OPTION: The entry represents a CMOS parameter.
- * LB_TAG_OPTION_ENUM: The entry represents a possible value for a CMOS
- * parameter of type 'enum'.
- *
- * The CMOS table tells us where in the nonvolatile RAM to look for CMOS
- * parameter values and specifies their types as 'enum', 'hex', or
- * 'reserved'.
- ****************************************************************************/
-static const struct lb_record *first_cmos_rec(uint32_t tag)
-{
- const char *p;
- uint32_t bytes_processed, bytes_for_entries;
- const struct lb_record *lbrec;
-
- p = ((const char *)cmos_table) + cmos_table->header_length;
- bytes_for_entries = cmos_table->size - cmos_table->header_length;
-
- for (bytes_processed = 0;
- bytes_processed < bytes_for_entries;
- bytes_processed += lbrec->size) {
- lbrec = (const struct lb_record *)&p[bytes_processed];
-
- if (lbrec->tag == tag)
- return lbrec;
- }
-
- return NULL;
-}
-
-/****************************************************************************
- * next_cmos_rec
- *
- * Return a pointer to the next entry after 'last' in the CMOS table whose
- * type matches 'tag'. Return NULL if the table contains no more entries of
- * this type.
- ****************************************************************************/
-static const struct lb_record *next_cmos_rec(const struct lb_record *last,
- uint32_t tag)
-{
- const char *p;
- uint32_t bytes_processed, bytes_for_entries, last_offset;
- const struct lb_record *lbrec;
-
- p = ((const char *)cmos_table) + cmos_table->header_length;
- bytes_for_entries = cmos_table->size - cmos_table->header_length;
- last_offset = ((const char *)last) - p;
-
- for (bytes_processed = last_offset + last->size;
- bytes_processed < bytes_for_entries;
- bytes_processed += lbrec->size) {
- lbrec = (const struct lb_record *)&p[bytes_processed];
-
- if (lbrec->tag == tag)
- return lbrec;
- }
-
- return NULL;
-}
-
/****************************************************************************
* memory_print_fn
*
****************************************************************************/
static void memory_print_fn(const struct lb_record *rec)
{
- char start_str[19], end_str[19], size_str[19];
const struct lb_memory *p;
const char *mem_type;
const struct lb_memory_range *ranges;
size = unpack_lb64(ranges[i].size);
start = unpack_lb64(ranges[i].start);
end = start + size - 1;
- uint64_to_hex_string(start_str, start);
- uint64_to_hex_string(end_str, end);
- uint64_to_hex_string(size_str, size);
printf("%s memory:\n"
- " from physical addresses %s to %s\n"
- " size is %s bytes (%lld in decimal)\n",
- mem_type, start_str, end_str, size_str,
+ " from physical addresses 0x%016llx to 0x%016llx\n"
+ " size is 0x%016llx bytes (%lld in decimal)\n",
+ mem_type, start, end, size,
(unsigned long long)size);
if (++i >= entries)
printf("%s\n", p->string);
}
-/****************************************************************************
- * uint64_to_hex_string
- *
- * Convert the 64-bit integer 'n' to its hexadecimal string representation,
- * storing the result in 's'. 's' must point to a buffer at least 19 bytes
- * long. The result is displayed with as many leading zeros as needed to
- * make a 16-digit hex number including a 0x prefix (example: the number 1
- * will be displayed as "0x0000000000000001").
- ****************************************************************************/
-static void uint64_to_hex_string(char str[], uint64_t n)
-{
- int chars_printed;
-
- str[0] = '0';
- str[1] = 'x';
-
- /* Print the result right-justified with leading spaces in a
- * 16-character field. */
- chars_printed = sprintf(&str[2], "%016llx", (unsigned long long)n);
- assert(chars_printed == 16);
-}
projects / coreboot.git / blobdiff