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/*++
Copyright (c) 1999 Intel Corporation
Module Name:
EfiRtLib.h
Abstract:
EFI Runtime library functions
Revision History
--*/
#include "efi.h"
#include "efilib.h"
#include "efirtlib.h"
#ifndef __GNUC__
#pragma RUNTIME_CODE(RtZeroMem)
#endif
VOID
RUNTIMEFUNCTION
RtZeroMem (
IN VOID *Buffer,
IN UINTN Size
)
{
INT8 *pt;
pt = Buffer;
while (Size--) {
*(pt++) = 0;
}
}
#ifndef __GNUC__
#pragma RUNTIME_CODE(RtSetMem)
#endif
VOID
RUNTIMEFUNCTION
RtSetMem (
IN VOID *Buffer,
IN UINTN Size,
IN UINT8 Value
)
{
INT8 *pt;
pt = Buffer;
while (Size--) {
*(pt++) = Value;
}
}
#ifndef __GNUC__
#pragma RUNTIME_CODE(RtCopyMem)
#endif
VOID
RUNTIMEFUNCTION
RtCopyMem (
IN VOID *Dest,
IN CONST VOID *Src,
IN UINTN len
)
{
CHAR8 *d;
CONST CHAR8 *s = Src;
d = Dest;
while (len--) {
*(d++) = *(s++);
}
}
#ifndef __GNUC__
#pragma RUNTIME_CODE(RtCompareMem)
#endif
INTN
RUNTIMEFUNCTION
RtCompareMem (
IN CONST VOID *Dest,
IN CONST VOID *Src,
IN UINTN len
)
{
CONST CHAR8 *d = Dest, *s = Src;
while (len--) {
if (*d != *s) {
return *d - *s;
}
d += 1;
s += 1;
}
return 0;
}
#ifndef __GNUC__
#pragma RUNTIME_CODE(RtCompareGuid)
#endif
INTN
RUNTIMEFUNCTION
RtCompareGuid (
IN EFI_GUID *Guid1,
IN EFI_GUID *Guid2
)
/*++
Routine Description:
Compares to GUIDs
Arguments:
Guid1 - guid to compare
Guid2 - guid to compare
Returns:
= 0 if Guid1 == Guid2
--*/
{
INT32 *g1, *g2, r;
//
// Compare 32 bits at a time
//
g1 = (INT32 *) Guid1;
g2 = (INT32 *) Guid2;
r = g1[0] - g2[0];
r |= g1[1] - g2[1];
r |= g1[2] - g2[2];
r |= g1[3] - g2[3];
return r;
}
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