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Import the "gerbert" kernel I worked on earlier this year.

It's a lot crappier than I remembered it. It's gonna need a lot of work.
This commit is contained in:
Andreas Kling 2018-10-16 11:01:38 +02:00
parent f608629704
commit 9396108034
55 changed files with 4600 additions and 0 deletions

55
Kernel/StdLib.cpp Normal file
View file

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#include "types.h"
#include "Assertions.h"
#include "kmalloc.h"
void memcpy(void *dest, const void *src, DWORD n)
{
BYTE* bdest = (BYTE*)dest;
const BYTE* bsrc = (const BYTE*)src;
for (; n; --n)
*(bdest++) = *(bsrc++);
}
void strcpy(char* dest, const char *src)
{
while (*src)
*(dest++) = *(src++);
}
void* memset(void* dest, BYTE c, DWORD n)
{
BYTE *bdest = (BYTE *)dest;
for (; n; --n)
*(bdest++) = c;
return dest;
}
DWORD strlen(const char* str)
{
DWORD len = 0;
while (*(str++))
++len;
return len;
}
int strcmp(const char *s1, const char *s2)
{
for (; *s1 == *s2; ++s1, ++s2) {
if (*s1 == 0)
return 0;
}
return *(const BYTE*)s1 < *(const BYTE*)s2 ? -1 : 1;
}
char* strdup(const char *str)
{
DWORD len = strlen(str);
char *s = (char*)kmalloc(len);
memcpy(s, str, len);
return s;
}
extern "C" void __cxa_pure_virtual()
{
ASSERT_NOT_REACHED();
}