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commonlib/timestamp,amd/common/block/cpu: Add uCode timestamps 

This allows keeping track of how long it takes to load the microcode.

BUG=b:179699789
TEST=Boot guybrush
 112:started reading uCode                             990,448 (10,615)
 113:finished reading uCode                            991,722 (1,274)

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: I86b67cf9d17786a380e90130a8fe424734e64657
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56391
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jason Glenesk <jason.glenesk@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
This commit is contained in:
Raul E Rangel 2021-07-16 12:50:17 -06:00 committed by Felix Held
parent ca74a8f430
commit ce291b4327
2 changed files with 8 additions and 0 deletions
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4
src/commonlib/include/commonlib/timestamp_serialized.h
View File

@ -54,6 +54,8 @@ enum timestamp_id {
TS_END_POSTCAR = 101,
TS_DELAY_START = 110,
TS_DELAY_END = 111,
TS_READ_UCODE_START = 112,
TS_READ_UCODE_END = 113,
/* 500+ reserved for vendorcode extensions (500-600: google/chromeos) */
TS_START_COPYVER = 501,
@ -191,6 +193,8 @@ static const struct timestamp_id_to_name {
{ TS_SELFBOOT_JUMP, "selfboot jump" },
{ TS_DELAY_START, "Forced delay start" },
{ TS_DELAY_END, "Forced delay end" },
{ TS_READ_UCODE_START, "started reading uCode" },
{ TS_READ_UCODE_END, "finished reading uCode" },
{ TS_START_COPYVER, "starting to load verstage" },
{ TS_END_COPYVER, "finished loading verstage" },

4
src/soc/amd/common/block/cpu/update_microcode.c
View File

@ -7,6 +7,7 @@
#include <cpu/x86/msr.h>
#include <cpu/amd/msr.h>
#include <cbfs.h>
#include <timestamp.h>
_Static_assert(CONFIG_SOC_AMD_COMMON_BLOCK_UCODE_SIZE > 0,
"SOC_AMD_COMMON_BLOCK_UCODE_SIZE is not set");
@ -94,6 +95,7 @@ void amd_update_microcode_from_cbfs(void)
/* Cache the buffer so each CPU doesn't need to read the uCode from flash */
if (!cache_valid) {
timestamp_add_now(TS_READ_UCODE_START);
ucode_list = cbfs_map("cpu_microcode_blob.bin", &ucode_len);
if (!ucode_list) {
printk(BIOS_WARNING, "cpu_microcode_blob.bin not found. Skipping updates.\n");
@ -111,6 +113,8 @@ void amd_update_microcode_from_cbfs(void)
cache_valid = true;
cbfs_unmap(ucode_list);
timestamp_add_now(TS_READ_UCODE_END);
}
apply_microcode_patch(&ucode_cache);