mirror of https://github.com/acidanthera/audk.git
57 lines
1.7 KiB
ArmAsm
57 lines
1.7 KiB
ArmAsm
#
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# ConvertAsm.py: Automatically generated from SetMem32.asm
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#
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#------------------------------------------------------------------------------
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#
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# Copyright (c) 2006 - 2008, Intel Corporation
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# All rights reserved. This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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# which accompanies this distribution. The full text of the license may be found at
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# http://opensource.org/licenses/bsd-license.php
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#
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#
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# Module Name:
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#
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# SetMem32.S
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#
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# Abstract:
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#
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# SetMem32 function
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#
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# Notes:
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#
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#------------------------------------------------------------------------------
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#------------------------------------------------------------------------------
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# VOID *
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# EFIAPI
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# InternalMemSetMem32 (
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# IN VOID *Buffer,
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# IN UINTN Count,
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# IN UINT32 Value
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# );
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#------------------------------------------------------------------------------
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.intel_syntax noprefix
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.globl ASM_PFX(InternalMemSetMem32)
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ASM_PFX(InternalMemSetMem32):
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movq mm0, r8 # mm0 <- Value
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mov rax, rcx # rax <- Buffer
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xchg rcx, rdx # rcx <- Count rdx <- Buffer
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shr rcx, 1 # rcx <- # of qwords to set
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jz L_SetDwords
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pshufw mm0, mm0, 0x44
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L0:
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movntq [rdx], mm0
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lea rdx, [rdx + 8] # use "lea" to avoid flag changes
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loop L0
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mfence
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L_SetDwords:
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jnc L1
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movd [rdx], mm0
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L1:
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ret
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