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
43 lines
664 B
C
43 lines
664 B
C
/*
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* mem_ops.c
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*
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* Created on: Aug 27, 2011
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* Author: Tiberiu
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*/
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#include <types.h>
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void *memcpy(void *dest, const void *src, uint32 count)
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{
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uint8* d = (uint8*) dest;
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const uint8* s = (const uint8*) src;
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while (count-- != 0)
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*d++ = *s++;
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return dest;
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}
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int32 memcmp(const void *s1, const void *s2, uint32 count)
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{
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const uint8 *us1 = (const uint8*) s1;
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const uint8 *us2 = (const uint8*) s2;
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while (count-- != 0)
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{
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if (*us1 != *us2) return (*us1 < *us2) ? -1 : 1;
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us1++; us2++;
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}
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return 0;
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}
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void *memset(void *dest, uint8 val, uint32 count)
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{
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uint8 *temp = (uint8 *)dest;
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while (count-- != 0)
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*temp++ = val;
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return dest;
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}
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