58b5d037b4
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11295 6f19259b-4bc3-4df7-8a09-765794883524
35 lines
1002 B
ArmAsm
35 lines
1002 B
ArmAsm
#------------------------------------------------------------------------------
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#
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# Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
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#
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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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#------------------------------------------------------------------------------
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\s\s.text
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\s\s.align 2
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\s\sGCC_ASM_EXPORT(memcpy)
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ASM_PFX(memcpy):
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\s\sstmfd\s\ssp!, {r7, lr}
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\s\smov\s\sip, #0
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\s\sadd\s\sr7, sp, #0
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\s\smov\s\slr, r0
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\s\sb\s\sL4
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L5:
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\s\sldrb\s\sr3, [r1], #1\s\s@ zero_extendqisi2
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\s\sadd\s\sip, ip, #1
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\s\sand\s\sr3, r3, #255
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\s\sstrb\s\sr3, [lr], #1
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L4:
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\s\scmp\s\sip, r2
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\s\sbne\s\sL5
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\s\sldmfd\s\ssp!, {r7, pc}
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