[coreboot-gerrit] Change in ...coreboot[master]: arch/x86/postcar: Add separate timestamp for postcar stage

[Subrata Banik (Code Review)]

Subrata Banik has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/31762

Change subject: arch/x86/postcar: Add separate timestamp for postcar stage
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arch/x86/postcar: Add separate timestamp for postcar stage

This patch adds dedicated timestamp value for postcar stage.

TEST=Able to see "start of postcar" and "end of postcar" timestamp
while executing cbmem -t after booting to chrome console.
> cbmem -t

951:returning from FspMemoryInit                      20,404,341 (20,022,190)
   4:end of romstage                                   20,445,466 (41,124)
1103:start of postcar                                  20,478,259 (32,793)
1104:end of postcar                                    20,489,064 (10,805)

Change-Id: I084f66949667ad598f811d4233b4e639bc4c113e
Signed-off-by: Subrata Banik 
---
M src/arch/x86/postcar.c
M src/arch/x86/postcar_loader.c
M src/commonlib/include/commonlib/timestamp_serialized.h
3 files changed, 9 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/62/31762/1

diff --git a/src/arch/x86/postcar.c b/src/arch/x86/postcar.c
index ea05824..c2d91be 100644
--- a/src/arch/x86/postcar.c
+++ b/src/arch/x86/postcar.c
@@ -19,6 +19,7 @@
 #include <cpu/x86/mtrr.h>
 #include <main_decl.h>
 #include <program_loading.h>
+#include <timestamp.h>

/*
  * Systems without a native coreboot cache-as-ram teardown may implement
@@ -37,6 +38,8 @@

display_mtrrs();

+	timestamp_add_now(TS_END_POSTCAR);
+
    /* Load and run ramstage. */
    run_ramstage();
 }
diff --git a/src/arch/x86/postcar_loader.c b/src/arch/x86/postcar_loader.c
index b08b5ea..2d99eef 100644
--- a/src/arch/x86/postcar_loader.c
+++ b/src/arch/x86/postcar_loader.c
@@ -175,5 +175,7 @@
    } else
    	load_postcar_cbfs(&prog, pcf);

+	timestamp_add_now(TS_START_POSTCAR);
+
    prog_run(&prog);
 }
diff --git a/src/commonlib/include/commonlib/timestamp_serialized.h b/src/commonlib/include/commonlib/timestamp_serialized.h
index cbf07b5..cc088f5 100644
--- a/src/commonlib/include/commonlib/timestamp_serialized.h
+++ b/src/commonlib/include/commonlib/timestamp_serialized.h
@@ -143,6 +143,8 @@

TS_START_KERNEL = 1101,
    TS_KERNEL_DECOMPRESSION = 1102,
+	TS_START_POSTCAR = 1103,
+	TS_END_POSTCAR = 1104,
 };

static const struct timestamp_id_to_name {
@@ -257,6 +259,8 @@
    { TS_FSP_BEFORE_END_OF_FIRMWARE, "calling FspNotify(EndOfFirmware)" },
    { TS_FSP_AFTER_END_OF_FIRMWARE,
    	"returning from FspNotify(EndOfFirmware)" },
+	{ TS_START_POSTCAR,	"start of postcar" },
+	{ TS_END_POSTCAR,	"end of postcar" },
 };

#endif