/** @file\r
- Macros to work around lack of Apple support for LDR register, =expr\r
+ Macros to work around lack of Clang support for LDR register, =expr\r
\r
Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
- Portions copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR>\r
+ Portions copyright (c) 2011 - 2014, ARM Ltd. All rights reserved.<BR>\r
\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
#ifndef __MACRO_IO_LIBV8_H__\r
#define __MACRO_IO_LIBV8_H__\r
\r
-#if defined (__GNUC__)\r
-\r
-#define MmioWrite32(Address, Data) \\r
- ldr x1, =Address ; \\r
- ldr x0, =Data ; \\r
- str x0, [x1]\r
-\r
-#define MmioOr32(Address, OrData) \\r
- ldr x1, =Address ; \\r
- ldr x2, =OrData ; \\r
- ldr x0, [x1] ; \\r
- orr x0, x0, x2 ; \\r
- str x0, [x1]\r
-\r
-#define MmioAnd32(Address, AndData) \\r
- ldr x1, =Address ; \\r
- ldr x2, =AndData ; \\r
- ldr x0, [x1] ; \\r
- and x0, x0, x2 ; \\r
- str x0, [x1]\r
-\r
-#define MmioAndThenOr32(Address, AndData, OrData) \\r
- ldr x1, =Address ; \\r
- ldr x0, [x1] ; \\r
- ldr x2, =AndData ; \\r
- and x0, x0, x2 ; \\r
- ldr x2, =OrData ; \\r
- orr x0, x0, x2 ; \\r
- str x0, [x1]\r
-\r
-#define MmioWriteFromReg32(Address, Reg) \\r
- ldr x1, =Address ; \\r
- str Reg, [x1]\r
-\r
-#define MmioRead32(Address) \\r
- ldr x1, =Address ; \\r
- ldr x0, [x1]\r
-\r
-#define MmioReadToReg32(Address, Reg) \\r
- ldr x1, =Address ; \\r
- ldr Reg, [x1]\r
-\r
-#define LoadConstant(Data) \\r
- ldr x0, =Data\r
-\r
-#define LoadConstantToReg(Data, Reg) \\r
- ldr Reg, =Data\r
-\r
#define SetPrimaryStack(StackTop, GlobalSize, Tmp, Tmp1) \\r
ands Tmp, GlobalSize, #15 ; \\r
mov Tmp1, #16 ; \\r
// Provide the Macro with a safe temp xreg to use.\r
#define EL1_OR_EL2(SAFE_XREG) \\r
mrs SAFE_XREG, CurrentEL ;\\r
- cmp SAFE_XREG, #0x4 ;\\r
- b.eq 1f ;\\r
- cmp SAFE_XREG, #0x8 ;\\r
- b.eq 2f ;\\r
- b dead ;// We should never get here.\r
+ cmp SAFE_XREG, #0x8 ;\\r
+ b.eq 2f ;\\r
+ cmp SAFE_XREG, #0x4 ;\\r
+ b.ne . ;// We should never get here\r
+// EL1 code starts here\r
\r
// CurrentEL : 0xC = EL3; 8 = EL2; 4 = EL1\r
// This only selects between EL1 and EL2 and EL3, else we die.\r
// Provide the Macro with a safe temp xreg to use.\r
-#define EL1_OR_EL2_OR_EL3(SAFE_XREG) \\r
+#define EL1_OR_EL2_OR_EL3(SAFE_XREG) \\r
mrs SAFE_XREG, CurrentEL ;\\r
+ cmp SAFE_XREG, #0xC ;\\r
+ b.eq 3f ;\\r
+ cmp SAFE_XREG, #0x8 ;\\r
+ b.eq 2f ;\\r
cmp SAFE_XREG, #0x4 ;\\r
- b.eq 1f ;\\r
- cmp SAFE_XREG, #0x8 ;\\r
- b.eq 2f ;\\r
- cmp SAFE_XREG, #0xC ;\\r
- b.eq 3f ;\\r
- b dead ;// We should never get here.\r
-\r
-#else\r
-\r
-//\r
-// Use ARM assembly macros, form armasm\r
-//\r
-// Less magic in the macros if ldr reg, =expr works\r
-//\r
-\r
-// returns _Data in X0 and _Address in X1\r
-\r
-\r
-\r
-#define MmioWrite32(Address, Data) MmioWrite32Macro Address, Data\r
-\r
-\r
-\r
-\r
-// returns Data in X0 and Address in X1, and OrData in X2\r
-#define MmioOr32(Address, OrData) MmioOr32Macro Address, OrData\r
-\r
-\r
-// returns _Data in X0 and _Address in X1, and _OrData in X2\r
-\r
-\r
-#define MmioAnd32(Address, AndData) MmioAnd32Macro Address, AndData\r
-\r
-// returns result in X0, _Address in X1, and _OrData in X2\r
-\r
-\r
-#define MmioAndThenOr32(Address, AndData, OrData) MmioAndThenOr32Macro Address, AndData, OrData\r
-\r
-\r
-// returns _Data in _Reg and _Address in X1\r
-\r
-\r
-#define MmioWriteFromReg32(Address, Reg) MmioWriteFromReg32Macro Address, Reg\r
-\r
-// returns _Data in X0 and _Address in X1\r
-\r
-\r
-#define MmioRead32(Address) MmioRead32Macro Address\r
-\r
-// returns _Data in Reg and _Address in X1\r
-\r
-\r
-#define MmioReadToReg32(Address, Reg) MmioReadToReg32Macro Address, Reg\r
-\r
-\r
-// load X0 with _Data\r
-\r
-\r
-#define LoadConstant(Data) LoadConstantMacro Data\r
+ b.ne . ;// We should never get here\r
+// EL1 code starts here\r
+#if defined(__clang__)\r
+\r
+// load x0 with _Data\r
+#define LoadConstant(_Data) \\r
+ ldr x0, 1f ; \\r
+ b 2f ; \\r
+.align(8) ; \\r
+1: \\r
+ .8byte (_Data) ; \\r
+2:\r
\r
// load _Reg with _Data\r
+#define LoadConstantToReg(_Data, _Reg) \\r
+ ldr _Reg, 1f ; \\r
+ b 2f ; \\r
+.align(8) ; \\r
+1: \\r
+ .8byte (_Data) ; \\r
+2:\r
\r
+#elif defined (__GNUC__)\r
\r
-#define LoadConstantToReg(Data, Reg) LoadConstantToRegMacro Data, Reg\r
-\r
-// conditional load testing eq flag\r
-#define LoadConstantToRegIfEq(Data, Reg) LoadConstantToRegIfEqMacro Data, Reg\r
-\r
-#define SetPrimaryStack(StackTop,GlobalSize,Tmp, Tmp1) SetPrimaryStack StackTop, GlobalSize, Tmp, Tmp1\r
-\r
-#define InitializePrimaryStack(GlobalSize, Tmp1, Tmp2) InitializePrimaryStack GlobalSize, Tmp1, Tmp2\r
-\r
-#define EL1_OR_EL2(SAFE_XREG) EL1_OR_EL2 SAFE_XREG\r
+#define LoadConstant(Data) \\r
+ ldr x0, =Data\r
\r
-#define EL1_OR_EL2_OR_EL3(SAFE_XREG) EL1_OR_EL2_OR_EL3 SAFE_XREG\r
+#define LoadConstantToReg(Data, Reg) \\r
+ ldr Reg, =Data\r
\r
-#endif\r
+#endif // __GNUC__\r
\r
#endif // __MACRO_IO_LIBV8_H__\r
\r
projects / mirror_edk2.git / blobdiff