historical/m0-applesillicon.git/xnu-qemu-arm64-5.1.0/roms/edk2/ArmPkg/Include/AsmMacroIoLib.inc
2024-01-16 11:20:27 -06:00

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PHP

;%HEADER%
;/** @file
; Macros to work around lack of Apple support for LDR register, =expr
;
; Copyright (c) 2009, Apple Inc. All rights reserved.<BR>
; Copyright (c) 2011-2012, ARM Ltd. All rights reserved.<BR>
;
; SPDX-License-Identifier: BSD-2-Clause-Patent
;
;**/
MACRO
adrll $Reg, $Symbol
add $Reg, pc, #-8
RELOC R_ARM_ALU_PC_G0_NC, $Symbol
add $Reg, $Reg, #-4
RELOC R_ARM_ALU_PC_G1_NC, $Symbol
add $Reg, $Reg, #0
RELOC R_ARM_ALU_PC_G2, $Symbol
MEND
MACRO
ldrl $Reg, $Symbol
add $Reg, pc, #-8
RELOC R_ARM_ALU_PC_G0_NC, $Symbol
add $Reg, $Reg, #-4
RELOC R_ARM_ALU_PC_G1_NC, $Symbol
ldr $Reg, [$Reg, #0]
RELOC R_ARM_LDR_PC_G2, $Symbol
MEND
END