Tiberiu Chibici
913e65b856
==================================================== + Changed 'align 0x4' line above multiboot header in loader.asm to 'align 4' + Removed -e option for echo in build.sh + Modified build.sh for linux + Fixed triple fault when enabling paging + Fixed page faults at memory manager initialization + Fixed 'mem' console function + Added more info about page fault at crash screen + Added Panic() macro + Added verbose mode for memory manager [ BAD] BUILD 0.1.0.390 DATE 8/27/2011 AT 10:54 PM ==================================================== + Added stdlib routines, separated in different files + Rewritten physical memory manager + Added virtual mem manager + Added memory allocation/freeing + Added memory library + Added temporary allocation (at end of kernel), until paging is started - Removed functionality from debug console function 'mem' - Removed system.h, the one remaining function now in stdio.h
14 lines
354 B
C
14 lines
354 B
C
#include <stdio.h>
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#include <time.h>
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#include "pit.h"
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void PitSetFrequency(uint32 frequency)
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{
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uint32 divisor = 1193180 / frequency; // Calculate the divisor
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outportb(0x43, 0x36); // Set our command byte 0x36
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outportb(0x40, divisor & 0xff); // Set low byte
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outportb(0x40, divisor>>8); // Set high byte
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TimeSetInternalFrequency(frequency);
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}
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