void show_boot_progress(int val)
{
#if MIN_PORT80_KCLOCKS_DELAY
- static uint32_t prev_stamp;
- static uint32_t base;
-
/*
* Scale the time counter reading to avoid using 64 bit arithmetics.
* Can't use get_timer() here becuase it could be not yet
* initialized or even implemented.
*/
- if (!prev_stamp) {
- base = rdtsc() / 1000;
- prev_stamp = 0;
+ if (!gd->arch.tsc_prev) {
+ gd->arch.tsc_base_kclocks = rdtsc() / 1000;
+ gd->arch.tsc_prev = 0;
} else {
uint32_t now;
do {
- now = rdtsc() / 1000 - base;
- } while (now < (prev_stamp + MIN_PORT80_KCLOCKS_DELAY));
- prev_stamp = now;
+ now = rdtsc() / 1000 - gd->arch.tsc_base_kclocks;
+ } while (now < (gd->arch.tsc_prev + MIN_PORT80_KCLOCKS_DELAY));
+ gd->arch.tsc_prev = now;
}
#endif
outb(val, 0x80);