diff options
| -rw-r--r-- | src/lib/timestamp.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/src/lib/timestamp.c b/src/lib/timestamp.c index 5846781706..9a0e631b0b 100644 --- a/src/lib/timestamp.c +++ b/src/lib/timestamp.c @@ -21,8 +21,10 @@ #include <stdint.h> #include <console/console.h> #include <cbmem.h> +#include <timer.h> #include <timestamp.h> #include <arch/early_variables.h> +#include <rules.h> #include <smp/node.h> #define MAX_TIMESTAMPS 60 @@ -52,12 +54,24 @@ static void timestamp_real_init(uint64_t base) car_set_var(ts_table_p, tst); } +/* Determine if one should proceed into timestamp code. This is for protecting + * systems that have multiple processors running in romstage -- namely AMD + * based x86 platforms. */ +static int timestamp_should_run(void) +{ + /* Only check boot_cpu() in other stages than ramstage on x86. */ + if ((!ENV_RAMSTAGE && IS_ENABLED(CONFIG_ARCH_X86)) && !boot_cpu()) + return 0; + + return 1; +} + void timestamp_add(enum timestamp_id id, uint64_t ts_time) { struct timestamp_entry *tse; struct timestamp_table *ts_table = NULL; - if (!boot_cpu()) + if (!timestamp_should_run()) return; ts_table = car_get_var(ts_table_p); @@ -121,7 +135,7 @@ static void timestamp_do_sync(void) void timestamp_init(uint64_t base) { - if (!boot_cpu()) + if (!timestamp_should_run()) return; #ifdef __PRE_RAM__ @@ -145,7 +159,7 @@ void timestamp_init(uint64_t base) void timestamp_reinit(void) { - if (!boot_cpu()) + if (!timestamp_should_run()) return; #ifdef __PRE_RAM__ |