Add more timestamps in coreboot.

[coreboot.git] / src / boot / hardwaremain.c

diff --git a/src/boot/hardwaremain.c b/src/boot/hardwaremain.c
index 9b293c049a61833899abc886fb0cb7395ead7afe..489caa39a594ae5e5293bad06b7704a65e8b197a 100644 (file)
--- a/src/boot/hardwaremain.c
+++ b/src/boot/hardwaremain.c
@@ -41,6 +41,7 @@ it with the version available from LANL.
 #if CONFIG_WRITE_HIGH_TABLES
 #include <cbmem.h>
 #endif
+#include <timestamp.h>
 
 /**
  * @brief Main function of the RAM part of coreboot.
@@ -56,7 +57,9 @@ void hardwaremain(int boot_complete);
 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()! */
@@ -78,18 +81,26 @@ void hardwaremain(int boot_complete)
        /* 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
@@ -101,10 +112,20 @@ void hardwaremain(int boot_complete)
        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");
 }