#include <console/console.h>
#include <cbfs.h>
#include <arch/stages.h>
+#include <timestamp.h>
static void cbfs_and_run_core(const char *filename, unsigned ebp)
{
u8 *dst;
+ timestamp_add_now(TS_START_COPYRAM);
print_debug("Loading image.\n");
dst = cbfs_load_stage(filename);
if ((void *)dst == (void *) -1)
die("FATAL: Essential component is missing.\n");
+ timestamp_add_now(TS_END_COPYRAM);
print_debug("Jumping to image.\n");
__asm__ volatile (
"movl %%eax, %%ebp\n"
#if CONFIG_WRITE_HIGH_TABLES
#include <cbmem.h>
#endif
+#include <timestamp.h>
/**
* @brief Main function of the RAM part of coreboot.
void hardwaremain(int boot_complete)
{
struct lb_memory *lb_mem;
+ tsc_t timestamps[6];
+ timestamps[0] = rdtsc();
post_code(POST_ENTRY_RAMSTAGE);
/* console_init() MUST PRECEDE ALL printk()! */
/* FIXME: Is there a better way to handle this? */
init_timer();
+ timestamps[1] = rdtsc();
/* Find the devices we don't have hard coded knowledge about. */
dev_enumerate();
post_code(POST_DEVICE_ENUMERATION_COMPLETE);
+
+ timestamps[2] = rdtsc();
/* Now compute and assign the bus resources. */
dev_configure();
post_code(POST_DEVICE_CONFIGURATION_COMPLETE);
+
+ timestamps[3] = rdtsc();
/* Now actually enable devices on the bus */
dev_enable();
+
+ timestamps[4] = rdtsc();
/* And of course initialize devices on the bus */
dev_initialize();
post_code(POST_DEVICES_ENABLED);
+ timestamps[5] = rdtsc();
#if CONFIG_WRITE_HIGH_TABLES == 1
cbmem_initialize();
#if CONFIG_CONSOLE_CBMEM
post_code(0x8a);
#endif
+ timestamp_add(TS_START_RAMSTAGE, timestamps[0]);
+ timestamp_add(TS_DEVICE_ENUMERATE, timestamps[1]);
+ timestamp_add(TS_DEVICE_CONFIGURE, timestamps[2]);
+ timestamp_add(TS_DEVICE_ENABLE, timestamps[3]);
+ timestamp_add(TS_DEVICE_INITIALIZE, timestamps[4]);
+ timestamp_add(TS_DEVICE_DONE, timestamps[5]);
+ timestamp_add_now(TS_WRITE_TABLES);
+
/* Now that we have collected all of our information
* write our configuration tables.
*/
lb_mem = write_tables();
+
+ timestamp_add_now(TS_LOAD_PAYLOAD);
cbfs_load_payload(lb_mem, CONFIG_CBFS_PREFIX "/payload");
printk(BIOS_ERR, "Boot failed.\n");
}
} __attribute__((packed));
enum timestamp_id {
- TS_BEFORE_INITRAM = 1,
- TS_AFTER_INITRAM = 2,
+ TS_START_ROMSTAGE = 1,
+ TS_BEFORE_INITRAM = 2,
+ TS_AFTER_INITRAM = 3,
+ TS_END_ROMSTAGE = 4,
+ TS_START_COPYRAM = 8,
+ TS_END_COPYRAM = 9,
+ TS_START_RAMSTAGE = 10,
+ TS_DEVICE_ENUMERATE = 30,
+ TS_DEVICE_CONFIGURE = 40,
+ TS_DEVICE_ENABLE = 50,
+ TS_DEVICE_INITIALIZE = 60,
+ TS_DEVICE_DONE = 70,
+ TS_WRITE_TABLES = 80,
+ TS_LOAD_PAYLOAD = 90,
TS_ACPI_WAKE_JUMP = 98,
TS_SELFBOOT_JUMP = 99,
};
+#if CONFIG_COLLECT_TIMESTAMPS
void timestamp_init(tsc_t base);
void timestamp_add(enum timestamp_id id, tsc_t ts_time);
void timestamp_add_now(enum timestamp_id id);
+#else
+#define timestamp_init(base)
+#define timestamp_add(id, time)
+#define timestamp_add_now(id)
+#endif
#endif