Curle
4300dc655c
The lib/inc folders are from the GNU-EFI project. The documentation is from the uefi.org site. Yes, I know there are duplicate includes. I have a plan for them.
42 lines
1.0 KiB
ArmAsm
42 lines
1.0 KiB
ArmAsm
#------------------------------------------------------------------------------
|
|
#
|
|
# Copyright (c) 2013, ARM. All rights reserved.<BR>
|
|
#
|
|
# This program and the accompanying materials
|
|
# are licensed and made available under the terms and conditions of the BSD License
|
|
# which accompanies this distribution. The full text of the license may be found at
|
|
# http://opensource.org/licenses/bsd-license.php
|
|
#
|
|
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
#
|
|
#------------------------------------------------------------------------------
|
|
|
|
#include "edk2asm.h"
|
|
|
|
.text
|
|
.align 2
|
|
GCC_ASM_EXPORT(__aeabi_llsr)
|
|
|
|
#
|
|
#VOID
|
|
#EFIAPI
|
|
#__aeabi_llsr (
|
|
# IN VOID *Destination,
|
|
# IN VOID *Source,
|
|
# IN UINT32 Size
|
|
# );
|
|
#
|
|
ASM_PFX(__aeabi_llsr):
|
|
subs r3,r2,#0x20
|
|
bpl 1f
|
|
rsb r3,r2,#0x20
|
|
lsr r0,r0,r2
|
|
orr r0,r0,r1,lsl r3
|
|
lsr r1,r1,r2
|
|
bx lr
|
|
1:
|
|
lsr r0,r1,r3
|
|
mov r1,#0
|
|
bx lr
|