diff options
Diffstat (limited to 'src/cpu/x86/tsc')
| -rw-r--r-- | src/cpu/x86/tsc/delay_tsc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/cpu/x86/tsc/delay_tsc.c b/src/cpu/x86/tsc/delay_tsc.c index 946d2cf512..72b1f7196c 100644 --- a/src/cpu/x86/tsc/delay_tsc.c +++ b/src/cpu/x86/tsc/delay_tsc.c @@ -106,10 +106,10 @@ static unsigned long long calibrate_tsc(void) printk_spew("Calibrating delay loop...\n"); start = rdtscll(); - // no udivdi3, dammit. + // no udivdi3 because we don't like libgcc. (only in x86emu) // so we count to 1<< 20 and then right shift 20 for(count = 0; count < (1<<20); count ++) - outb(0x80, 0x80); + inb(0x80); end = rdtscll(); #if 0 |