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