X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=ArmPkg%2FInclude%2FAsmMacroIoLib.h;h=16d2a307291c32aa8f8fc7c40834cedf6ebda627;hb=301402fa4797ac3a141e575329ca2ea91756414c;hp=551b87803d19c4c277c1c3a3d99c3789f098cb13;hpb=874883a49d0e85cd5494ab880776c4d103bce80a;p=mirror_edk2.git diff --git a/ArmPkg/Include/AsmMacroIoLib.h b/ArmPkg/Include/AsmMacroIoLib.h index 551b87803d..16d2a30729 100644 --- a/ArmPkg/Include/AsmMacroIoLib.h +++ b/ArmPkg/Include/AsmMacroIoLib.h @@ -3,6 +3,7 @@ Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.
Copyright (c) 2011-2012, ARM Ltd. All rights reserved.
+ Copyright (c) 2016, Linaro Ltd. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License @@ -18,37 +19,27 @@ #ifndef __MACRO_IO_LIB_H__ #define __MACRO_IO_LIB_H__ -#if defined(__APPLE__) +#define _ASM_FUNC(Name, Section) \ + .global Name ; \ + .section #Section, "ax" ; \ + .type Name, %function ; \ + .p2align 2 ; \ + Name: -// -// ldr reg, =expr does not work with current Apple tool chain. So do the work our selves -// +#define ASM_FUNC(Name) _ASM_FUNC(ASM_PFX(Name), .text. ## Name) -// load _Reg with _Data -#define LoadConstantToReg(_Data, _Reg) \ - ldr _Reg, [pc, #0] ; \ - b 1f ; \ - .long (_Data) ; \ -1: +#define MOV32(Reg, Val) \ + movw Reg, #(Val) & 0xffff ; \ + movt Reg, #(Val) >> 16 -#elif defined (__GNUC__) +#define ADRL(Reg, Sym) \ + movw Reg, #:lower16:(Sym) - (. + 16) ; \ + movt Reg, #:upper16:(Sym) - (. + 12) ; \ + add Reg, Reg, pc -#define LoadConstantToReg(Data, Reg) \ - ldr Reg, =Data - -#else - -// -// Use ARM assembly macros, form armasam -// -// Less magic in the macros if ldr reg, =expr works -// - -// load _Reg with _Data - - -#define LoadConstantToReg(Data, Reg) LoadConstantToRegMacro Data, Reg - -#endif +#define LDRL(Reg, Sym) \ + movw Reg, #:lower16:(Sym) - (. + 16) ; \ + movt Reg, #:upper16:(Sym) - (. + 12) ; \ + ldr Reg, [pc, Reg] #endif