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56 lines
1.6 KiB
56 lines
1.6 KiB
4 years ago
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#
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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 - 2018, Intel Corporation. All rights reserved.<BR>
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# 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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ASM_GLOBAL ASM_PFX(InternalMemSetMem32)
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ASM_PFX(InternalMemSetMem32):
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movd %r8, %mm0 # mm0 <- Value
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movq %rcx, %rax # rax <- Buffer
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xchgq %rdx, %rcx # rcx <- Count rdx <- Buffer
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shrq $1, % rcx # rcx <- # of qwords to set
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jz L_SetDwords
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.byte 0x0f, 0x70, 0x0C0, 0x44
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L0:
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movntq %mm0, (%rdx)
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leaq 8(%rdx), %rdx # 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 %mm0, (%rdx)
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L1:
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ret
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