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lib/bootblock: Add simplified entry with basetime

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This allows for minor optimization as num_timestamps becomes
a constant zero for a function with local scope. The loop
with calls to timestamp_add() gets removed from bootblock.

Change-Id: Id230075c0e76fe377b6ea8c8ddf8318e07d29b91
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34972
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
This commit is contained in:
Kyösti Mälkki
2019-08-18 06:58:42 +03:00
parent cd7a70f487
commit 101ef0b528
12 changed files with 25 additions and 21 deletions
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15
src/lib/bootblock.c
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@@ -30,7 +30,15 @@ __weak void bootblock_soc_early_init(void) { /* do nothing */ }
__weak void bootblock_soc_init(void) { /* do nothing */ }
__weak void bootblock_mainboard_init(void) { /* do nothing */ }
asmlinkage void bootblock_main_with_timestamp(uint64_t base_timestamp,
/*
* This is a the same as the bootblock main(), with the difference that it does
* not collect a timestamp. Instead it accepts the initial timestamp and
* possibly additional timestamp entries as arguments. This can be used in cases
* where earlier stamps are available. Note that this function is designed to be
* entered from C code. This function assumes that the timer has already been
* initialized, so it does not call init_timer().
*/
static void bootblock_main_with_timestamp(uint64_t base_timestamp,
struct timestamp_entry *timestamps, size_t num_timestamps)
{
/* Initialize timestamps if we have TIMESTAMP region in memlayout.ld. */
@@ -60,6 +68,11 @@ asmlinkage void bootblock_main_with_timestamp(uint64_t base_timestamp,
run_romstage();
}
void bootblock_main_with_basetime(uint64_t base_timestamp)
{
bootblock_main_with_timestamp(base_timestamp, NULL, 0);
}
void main(void)
{
uint64_t base_timestamp = 0;