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Compare Revisions

• This comparison shows the changes necessary to convert path

  → /trunk/kernel/arch/ia32/src/drivers/i8254.c @ 2017

  → /trunk/kernel/arch/ia32/src/drivers/i8254.c @ 2018

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 2017 → Rev 2018

/trunk/kernel/arch/ia32/src/drivers/i8254.c
39,6 → 39,7
#include <arch/types.h>
#include <time/clock.h>
#include <time/delay.h>
#include <arch/cycle.h>
#include <arch/interrupt.h>
#include <arch/drivers/i8259.h>
#include <arch/drivers/i8254.h>
137,11 → 138,11
CPU->delay_loop_const = ((MAGIC_NUMBER*LOOPS)/1000) / ((t1-t2)-(o1-o2)) + (((MAGIC_NUMBER*LOOPS)/1000) % ((t1-t2)-(o1-o2)) ? 1 : 0);
clk1 = rdtsc();
delay(1<<SHIFT);
clk2 = rdtsc();
clk1 = get_cycle();
delay(1 << SHIFT);
clk2 = get_cycle();
CPU->frequency_mhz = (clk2-clk1)>>SHIFT;
CPU->frequency_mhz = (clk2 - clk1) >> SHIFT;
return;
}