19d9bf7725
CLANG for ARM may emit calls to __aeabi_memset(), which is subtly different from the default memset() [arguments 2 and 3 are reversed] Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19281 6f19259b-4bc3-4df7-8a09-765794883524
54 lines
1.4 KiB
ArmAsm
54 lines
1.4 KiB
ArmAsm
#------------------------------------------------------------------------------
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#
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# Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
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# Copyright (c) 2014, ARM Ltd. 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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.text
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.syntax unified
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.align 2
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GCC_ASM_EXPORT (memset)
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GCC_ASM_EXPORT (__aeabi_memset)
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# VOID
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# EFIAPI
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# __aeabi_memset (
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# IN VOID *Destination,
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# IN UINT32 Size
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# IN UINT32 Character,
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# );
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ASM_PFX(__aeabi_memset):
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subs ip, r1, #0
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bxeq lr
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mov r1, r2
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b L10
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# VOID
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# EFIAPI
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# memset (
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# IN VOID *Destination,
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# IN UINT32 Character,
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# IN UINT32 Size
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# );
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ASM_PFX(memset):
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subs ip, r2, #0
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bxeq lr
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@ args = 0, pretend = 0, frame = 0
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@ frame_needed = 1, uses_anonymous_args = 0
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L10:
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strb r1, [r0], #1
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subs ip, ip, #1
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@ While size is not 0
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bne L10
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bx lr
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