Eugene Cohen efda177513 ArmPkg: update RVCT assembly functions to use new RVCT_ASM_EXPORT macro
This has the effect of splitting assembly functions into their own sections
so the linker can remove unused ones to save space.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eugene Cohen <eugene@hp.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@gmail.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19109 6f19259b-4bc3-4df7-8a09-765794883524
2015-12-03 20:28:02 +00:00

65 lines
1.6 KiB
NASM

//------------------------------------------------------------------------------
//
// Copyright (c) 2008 - 2009, Apple Inc. 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 AsmMacroExport.inc
;
;UINT32
;EFIAPI
;__aeabi_uread4 (
; IN VOID *Pointer
; );
;
RVCT_ASM_EXPORT __aeabi_uread4
ldrb r1, [r0]
ldrb r2, [r0, #1]
ldrb r3, [r0, #2]
ldrb r0, [r0, #3]
orr r1, r1, r2, lsl #8
orr r1, r1, r3, lsl #16
orr r0, r1, r0, lsl #24
bx lr
;
;UINT64
;EFIAPI
;__aeabi_uread8 (
; IN VOID *Pointer
; );
;
RVCT_ASM_EXPORT __aeabi_uread8
mov r3, r0
ldrb r1, [r3]
ldrb r2, [r3, #1]
orr r1, r1, r2, lsl #8
ldrb r2, [r3, #2]
orr r1, r1, r2, lsl #16
ldrb r0, [r3, #3]
orr r0, r1, r0, lsl #24
ldrb r1, [r3, #4]
ldrb r2, [r3, #5]
orr r1, r1, r2, lsl #8
ldrb r2, [r3, #6]
orr r1, r1, r2, lsl #16
ldrb r2, [r3, #7]
orr r1, r1, r2, lsl #24
bx lr
END