Stefan Reinauer (stefan.reina...@coreboot.org) just uploaded a new patch set to
gerrit, which you can find at http://review.coreboot.org/2117
-gerrit
commit 47f24e8b47fe7521650f5766451b28354828fa63
Author: Stefan Reinauer <stefan.reina...@coreboot.org>
Date: Mon Jan 7 16:26:10 2013 -0800
cbmem utility: Find actual CBMEM area
... without the need for a coreboot table entry for each of them.
Change-Id: I2917710fb9d00c4533d81331a362bf0c40a30353
Signed-off-by: Stefan Reinauer <reina...@google.com>
---
util/cbmem/cbmem.c | 84 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 83 insertions(+), 1 deletion(-)
diff --git a/util/cbmem/cbmem.c b/util/cbmem/cbmem.c
index 4c0bd68..4d1a7b5 100644
--- a/util/cbmem/cbmem.c
+++ b/util/cbmem/cbmem.c
@@ -118,6 +118,7 @@ static void unmap_memory(void)
static struct lb_cbmem_ref timestamps;
static struct lb_cbmem_ref console;
+static struct lb_memory_range cbmem;
static int parse_cbtable(u64 address)
{
@@ -157,6 +158,22 @@ static int parse_cbtable(u64 address)
lbr_p = (struct lb_record*) ((char *)lbtable + j);
debug(" coreboot table entry 0x%02x\n", lbr_p->tag);
switch (lbr_p->tag) {
+ case LB_TAG_MEMORY: {
+ int i = 0;
+ debug(" Found memory map.\n");
+ struct lb_memory *memory =
+ (struct lb_memory *)lbr_p;
+ while ((char *)&memory->map[i] < ((char
*)lbtable
+ + lbr_p->size)) {
+ if (memory->map[i].type ==
LB_MEM_TABLE) {
+ debug(" LB_MEM_TABLE
found.\n");
+ /* The last one found is CBMEM
*/
+ cbmem = memory->map[i];
+ }
+ i++;
+ }
+ continue;
+ }
case LB_TAG_TIMESTAMPS: {
debug("Found timestamp table\n");
timestamps = *(struct lb_cbmem_ref *) lbr_p;
@@ -319,6 +336,61 @@ static void dump_console(void)
unmap_memory();
}
+#define CBMEM_MAGIC 0x434f5245
+#define MAX_CBMEM_ENTRIES 16
+
+struct cbmem_entry {
+ uint32_t magic;
+ uint32_t id;
+ uint64_t base;
+ uint64_t size;
+};
+
+void dump_cbmem_toc(void)
+{
+ int i;
+ uint64_t start;
+ struct cbmem_entry *entries;
+
+ if (cbmem.type != LB_MEM_TABLE) {
+ fprintf(stderr, "No coreboot table area found!\n");
+ return;
+ }
+
+ start = unpack_lb64(cbmem.start);
+
+ entries = (struct cbmem_entry *)map_memory(start);
+
+ printf("CBMEM table of contents:\n");
+ printf(" ID START LENGTH\n");
+ for (i=0; i<MAX_CBMEM_ENTRIES; i++) {
+ if (entries[i].magic != CBMEM_MAGIC)
+ break;
+
+ printf("%2d. ", i);
+ switch (entries[i].id) {
+ case CBMEM_ID_FREESPACE: printf("FREE SPACE "); break;
+ case CBMEM_ID_GDT: printf("GDT "); break;
+ case CBMEM_ID_ACPI: printf("ACPI "); break;
+ case CBMEM_ID_ACPI_GNVS: printf("ACPI GNVS "); break;
+ case CBMEM_ID_CBTABLE: printf("COREBOOTE "); break;
+ case CBMEM_ID_PIRQ: printf("IRQ TABLE "); break;
+ case CBMEM_ID_MPTABLE: printf("SMP TABLE "); break;
+ case CBMEM_ID_RESUME: printf("ACPI RESUME "); break;
+ case CBMEM_ID_RESUME_SCRATCH: printf("ACPI SCRATCH"); break;
+ case CBMEM_ID_SMBIOS: printf("SMBIOS "); break;
+ case CBMEM_ID_TIMESTAMP: printf("TIME STAMP "); break;
+ case CBMEM_ID_MRCDATA: printf("MRC DATA "); break;
+ case CBMEM_ID_CONSOLE: printf("CONSOLE "); break;
+ case CBMEM_ID_ELOG: printf("ELOG "); break;
+ default: printf("%08x ",
+ entries[i].id); break;
+ }
+ printf(" 0x%08jx 0x%08jx\n", (uintmax_t)entries[i].base,
+ (uintmax_t)entries[i].size);
+ }
+ unmap_memory();
+}
void print_version(void)
{
@@ -341,6 +413,7 @@ void print_usage(const char *name)
printf("usage: %s [-vh?]\n", name);
printf("\n"
" -c | --console: print cbmem console\n"
+ " -l | --list: print cbmem table of
contents\n"
" -t | --timestamps: print timestamp
information\n"
" -V | --verbose: verbose (debugging) output\n"
" -v | --version: print the version\n"
@@ -356,24 +429,30 @@ int main(int argc, char** argv)
int print_defaults = 1;
int print_console = 0;
+ int print_list = 0;
int print_timestamps = 0;
int opt, option_index = 0;
static struct option long_options[] = {
{"console", 0, 0, 'c'},
+ {"list", 0, 0, 'l'},
{"timestamps", 0, 0, 't'},
{"verbose", 0, 0, 'V'},
{"version", 0, 0, 'v'},
{"help", 0, 0, 'h'},
{0, 0, 0, 0}
};
- while ((opt = getopt_long(argc, argv, "ctVvh?",
+ while ((opt = getopt_long(argc, argv, "cltVvh?",
long_options, &option_index)) != EOF) {
switch (opt) {
case 'c':
print_console = 1;
print_defaults = 0;
break;
+ case 'l':
+ print_list = 1;
+ print_defaults = 0;
+ break;
case 't':
print_timestamps = 1;
print_defaults = 0;
@@ -410,6 +489,9 @@ int main(int argc, char** argv)
if (print_console)
dump_console();
+ if (print_list)
+ dump_cbmem_toc();
+
if (print_defaults || print_timestamps)
dump_timestamps();
--
coreboot mailing list: coreboot@coreboot.org
http://www.coreboot.org/mailman/listinfo/coreboot
