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// SPDX-License-Identifier: GPL-2.0
#include <linux/efi.h>
#include <asm/efi.h>
#include <asm/string.h>
#include "efistub.h"
#ifdef CONFIG_KASAN
#undef memcpy
#undef memmove
#undef memset
void *__memcpy(void *__dest, const void *__src, size_t __n) __alias(memcpy);
void *__memmove(void *__dest, const void *__src, size_t count) __alias(memmove);
void *__memset(void *s, int c, size_t count) __alias(memset);
#endif
void *memcpy(void *dst, const void *src, size_t len)
{
efi_bs_call(copy_mem, dst, src, len);
return dst;
}
extern void *memmove(void *dst, const void *src, size_t len) __alias(memcpy);
void *memset(void *dst, int c, size_t len)
{
efi_bs_call(set_mem, dst, len, c & U8_MAX);
return dst;
}
/**
* memcmp - Compare two areas of memory
* @cs: One area of memory
* @ct: Another area of memory
* @count: The size of the area.
*/
#undef memcmp
int memcmp(const void *cs, const void *ct, size_t count)
{
const unsigned char *su1, *su2;
int res = 0;
for (su1 = cs, su2 = ct; 0 < count; ++su1, ++su2, count--)
if ((res = *su1 - *su2) != 0)
break;
return res;
}
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