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x86: Add a little more info to cbsysinfo

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Show the number of records in the table and the total table size in
bytes.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2023-07-25 15:37:06 -06:00 committed by Bin Meng
parent d560f7cae0
commit db971a7587
3 changed files with 11 additions and 2 deletions
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4
arch/x86/include/asm/cb_sysinfo.h
View File

@ -138,6 +138,8 @@
* @rsdp: Pointer to ACPI RSDP table
* @unimpl_count: Number of entries in unimpl_map[]
* @unimpl: List of unimplemented IDs (bottom 8 bits only)
* @table_size: Number of bytes taken up by the sysinfo table
* @rec_count: Number of records in the sysinfo table
*/
struct sysinfo_t {
unsigned int cpu_khz;
@ -219,6 +221,8 @@ struct sysinfo_t {
void *rsdp;
u32 unimpl_count;
u8 unimpl[SYSINFO_MAX_UNIMPL];
uint table_size;
uint rec_count;
};
extern struct sysinfo_t lib_sysinfo;

4
arch/x86/lib/coreboot/cb_sysinfo.c
View File

@ -447,6 +447,8 @@ static int cb_parse_header(void *addr, int len, struct sysinfo_t *info)
ptr += rec->size;
}
info->table_size += (void *)ptr - (void *)header;
info->rec_count += header->table_entries;
return 1;
}
@ -462,6 +464,8 @@ int get_coreboot_info(struct sysinfo_t *info)
addr = locate_coreboot_table();
if (addr < 0)
return addr;
info->table_size = 0;
info->rec_count = 0;
ret = cb_parse_header((void *)addr, 0x1000, info);
if (!ret)
return -ENOENT;

5
cmd/x86/cbsysinfo.c
View File

@ -190,8 +190,9 @@ static void show_table(struct sysinfo_t *info, bool verbose)
struct cb_serial *ser = info->serial;
int i;
printf("Coreboot table at %lx, decoded to %p",
gd->arch.coreboot_table, info);
printf("Coreboot table at %lx, size %x, records %x (dec %d), decoded to %p",
gd->arch.coreboot_table, info->table_size, info->rec_count,
info->rec_count, info);
if (info->header)
printf(", forwarded to %p\n", info->header);
printf("\n");