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| ;------------------------------------------------------------------------------
| ;
| ; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
| ; SPDX-License-Identifier: BSD-2-Clause-Patent
| ;
| ; Module Name:
| ;
| ; SetMem32.nasm
| ;
| ; Abstract:
| ;
| ; SetMem32 function
| ;
| ; Notes:
| ;
| ;------------------------------------------------------------------------------
|
| SECTION .text
|
| ;------------------------------------------------------------------------------
| ; VOID *
| ; EFIAPI
| ; InternalMemSetMem32 (
| ; IN VOID *Buffer,
| ; IN UINTN Count,
| ; IN UINT32 Value
| ; );
| ;------------------------------------------------------------------------------
| global ASM_PFX(InternalMemSetMem32)
| ASM_PFX(InternalMemSetMem32):
| mov eax, [esp + 4] ; eax <- Buffer as return value
| mov ecx, [esp + 8] ; ecx <- Count
| movd mm0, dword [esp + 12] ; mm0 <- Value
| shr ecx, 1 ; ecx <- number of qwords to set
| mov edx, eax ; edx <- Buffer
| jz @SetDwords
| movq mm1, mm0
| psllq mm1, 32
| por mm0, mm1
| .0:
| movq qword [edx], mm0
| lea edx, [edx + 8] ; use "lea" to avoid change in flags
| loop .0
| @SetDwords:
| jnc .1
| movd dword [edx], mm0
| .1:
| ret
|
|
|
