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symport/e32/include/cpudefs.h
changeset 1 0a7b44b10206
child 2 806186ab5e14 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symport/e32/include/cpudefs.h	Thu Jun 25 15:59:54 2009 +0100
@@ -0,0 +1,599 @@
+// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "Symbian Foundation License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// e32\include\cpudefs.h
+// 
+//
+
+/**
+ @file
+ @internalTechnology
+*/
+
+#ifndef __CPUDEFS_H__
+#define __CPUDEFS_H__
+
+#ifdef __ARMCC__
+#define	__ARM_ASSEMBLER_ISA__	4	// "Instruction not supported on targeted CPU :("
+#else
+#define	__ARM_ASSEMBLER_ISA__	4
+#endif
+
+// Should really have been __CPU_CORTEX_A8__ instead of __CPU_CORTEX_A8N__
+#ifdef __CPU_CORTEX_A8N__
+#undef __CPU_CORTEX_A8__
+#define __CPU_CORTEX_A8__
+#endif
+
+//
+// Supported CPUs
+//
+
+#ifdef __MARM__
+
+// FIXME: Nasty hack to get ARM SMP going
+#if defined(__SMP__) && !defined(__CPU_ARMV7)
+#undef	__CPU_ARM11MP__
+#define	__CPU_ARM11MP__
+#endif
+
+#if defined(__CPU_ARM710T__)
+	#define __CPU_ARMV4T
+
+#elif defined(__CPU_ARM720T__)
+	#define __CPU_ARMV4T
+
+#elif defined(__CPU_SA1__)
+	#define __CPU_ARMV4
+
+#elif defined(__CPU_ARM920T__)
+	#define __CPU_ARMV4T
+
+#elif defined(__CPU_ARM925T__)
+	#define __CPU_ARMV4T
+
+#elif defined(__CPU_XSCALE__)
+	#define __CPU_ARMV5T
+	#define __ENHANCED_DSP_INSTRUCTIONS
+
+#elif defined(__CPU_ARM926J__)
+	#define __CPU_ARMV5T
+	#define __ENHANCED_DSP_INSTRUCTIONS
+	#define __CPU_HAS_JAZELLE
+
+#elif defined(__CPU_ARM1136__)
+	#define __CPU_ARMV6
+
+#elif defined(__CPU_ARM1176__)
+	#define __CPU_ARMV6
+
+#elif defined(__CPU_ARM11MP__)
+	#define __CPU_ARMV6
+	#define	__CPU_ARM_HAS_WFI
+	#define	__CPU_ARM_HAS_WFE_SEV
+
+#elif defined(__CPU_CORTEX_A8__)
+	#define __CPU_ARMV7
+
+#elif defined(__CPU_CORTEX_A9__)
+	#define __CPU_ARMV7
+
+#elif defined(__CPU_GENERIC_ARM4__)
+	#define __CPU_ARMV4
+
+#else
+	// #error Unsupported CPU
+	#define __CPU_UNKNOWN
+#endif
+
+#endif  // __MARM__
+
+
+
+// Macros for emitting single bytes of machine code
+#ifdef __CW32__
+# define BYTE(x)	_asm byte x
+#elif __GCC32__
+# define BYTE(x)	asm(".byte "#x);
+#else
+# define BYTE(x)	_asm _emit x
+#endif
+
+
+// thiscall is different on GCC
+#ifdef __GCC32__
+#define THISCALL_PROLOG0() asm("mov ecx,[esp+4]");
+#define THISCALL_PROLOG1() asm("mov ecx,[esp+4] \n mov eax,[esp+8] \n mov [esp+4],eax");
+#define THISCALL_PROLOG2() asm("mov ecx,[esp+4] \n mov eax,[esp+8] \n mov [esp+4],eax \n mov eax,[esp+12] \n mov [esp+8],eax");
+#define THISCALL_PROLOG3() asm("mov ecx,[esp+4] \n mov eax,[esp+8] \n mov [esp+4],eax \n mov eax,[esp+12] \n mov [esp+8],eax \n mov eax,[esp+16] \n mov [esp+12],eax");
+#define THISCALL_PROLOG0_BIGRETVAL() asm("mov ecx,[esp+8]");
+#define THISCALL_PROLOG1_BIGRETVAL() asm("mov ecx,[esp+8] \n mov eax,[esp+12] \n mov [esp+8],eax");
+#define THISCALL_EPILOG0() asm("ret");
+#define THISCALL_EPILOG1() asm("ret");
+#define THISCALL_EPILOG2() asm("ret");
+#define THISCALL_EPILOG3() asm("ret");
+#define THISCALL_EPILOG0_BIGRETVAL() asm("ret 4");
+#define THISCALL_EPILOG1_BIGRETVAL() asm("ret 4");
+#else
+#define THISCALL_PROLOG0()
+#define THISCALL_PROLOG1()
+#define THISCALL_PROLOG2()
+#define THISCALL_PROLOG3()
+#define THISCALL_PROLOG0_BIGRETVAL() 
+#define THISCALL_PROLOG1_BIGRETVAL() 
+#define THISCALL_EPILOG0() __asm ret
+#define THISCALL_EPILOG1() __asm ret 4
+#define THISCALL_EPILOG2() __asm ret 8
+#define THISCALL_EPILOG3() __asm ret 12
+#define THISCALL_EPILOG0_BIGRETVAL() __asm ret 4
+#define THISCALL_EPILOG1_BIGRETVAL() __asm ret 8
+#endif
+
+
+// Workaround for MSVC++ 5.0 bug; MSVC incorrectly fixes up conditional jumps
+// when the destination is a C++ function.
+#if defined(__VC32__) && (_MSC_VER==1100)	// untested on MSVC++ > 5.0
+# define _ASM_j(cond,dest) _asm jn##cond short $+11 _asm jmp dest
+# define _ASM_jn(cond,dest) _asm j##cond short $+11 _asm jmp dest
+#else
+# if defined __GCC32__
+#  define _ASM_j(cond,dest) asm("j"#cond " %a0": : "i"(dest));
+#  define _ASM_jn(cond,dest) asm("jn"#cond " %a0": :"i"(dest));
+# else
+#  define _ASM_j(cond,dest) _asm j##cond dest
+#  define _ASM_jn(cond,dest) _asm jn##cond dest
+# endif
+#endif
+
+
+
+//#define __MINIMUM_MACHINE_CODE__
+
+#if defined(__WINS__)
+#define __NAKED__ __declspec( naked )
+#ifndef __MINIMUM_MACHINE_CODE__
+//#define __MEM_MACHINE_CODED__
+#endif
+#define __CPU_X86
+#endif
+
+#if defined(__X86__)
+# ifdef __GCC32__
+#  define __NAKED__	// GCC does not support naked functions on X86
+# else
+#  define __NAKED__ __declspec( naked )
+# endif
+# ifndef __MINIMUM_MACHINE_CODE__
+#  define __MEM_MACHINE_CODED__
+# endif
+# define __CPU_X86
+#endif
+
+
+#if defined(__MARM__)
+#ifndef __NAKED__ // should be defined in prefix file
+	#ifndef __GCCXML__
+        #define __NAKED__ __declspec( naked )
+    #else
+        #define __NAKED__
+    #endif
+#endif
+#ifndef __CIA__
+#undef __NAKED__
+#define __NAKED__ ____ONLY_USE_NAKED_IN_CIA____
+#endif
+	#define __CPU_ARM
+
+#if defined(__MARM_ARMV5__) && !defined(__CPU_ARMV5T)
+#define __CPU_ARMV5T
+#endif
+
+#ifndef __MINIMUM_MACHINE_CODE__
+#if !defined(__BIG_ENDIAN__)
+	#define __MEM_MACHINE_CODED__
+	#define __DES_MACHINE_CODED__
+	#define __REGIONS_MACHINE_CODED__
+	#define __DES8_MACHINE_CODED__
+	#define __DES16_MACHINE_CODED__
+	#define __HEAP_MACHINE_CODED__
+	#define __REALS_MACHINE_CODED__
+	#define __COBJECT_MACHINE_CODED__
+	#define __CACTIVESCHEDULER_MACHINE_CODED__
+	#define __CSERVER_MACHINE_CODED__
+	#define __ARRAY_MACHINE_CODED__
+	#define __HUFFMAN_MACHINE_CODED__
+#if defined(__MARM_ARM4__) || defined(__MARM_ARMI__) || defined(__MARM_THUMB__) || defined(__MARM_ARMV4__) || defined(__MARM_ARMV5__)
+	#define __DES16_MACHINE_CODED_HWORD__
+#endif
+#endif
+#endif
+#endif
+
+#ifdef __CPU_ARMV4
+	#define __CPU_64BIT_MULTIPLY
+#endif
+#ifdef __CPU_ARMV4T
+	#define __CPU_THUMB
+	#define __CPU_ARM_SUPPORTS_BX
+	#define __CPU_64BIT_MULTIPLY
+#endif
+#ifdef __CPU_ARMV5T
+	#define __CPU_THUMB
+	#define __CPU_ARM_SUPPORTS_BX
+	#define __CPU_ARM_SUPPORTS_BLX
+	#define __CPU_64BIT_MULTIPLY
+	#define __CPU_ARM_LDR_PC_SETS_TBIT
+	#define __CPU_ARM_HAS_CLZ
+	#define __CPU_ARM_HAS_PLD
+#endif
+#ifdef __ENHANCED_DSP_INSTRUCTIONS
+	#define __CPU_ARM_HAS_MCRR
+	#define __CPU_ARM_HAS_LDRD_STRD
+#endif
+#if defined(__CPU_ARMV6) || defined(__CPU_ARMV7)
+	#define __CPU_THUMB
+	#define __CPU_ARM_SUPPORTS_BX
+	#define __CPU_ARM_SUPPORTS_BLX
+	#define __CPU_64BIT_MULTIPLY
+	#define __CPU_ARM_LDR_PC_SETS_TBIT
+	#define __CPU_ARM_HAS_CLZ
+	#define __CPU_ARM_HAS_MCRR
+	#define __CPU_ARM_HAS_LDREX_STREX
+	#define __CPU_ARM_HAS_LDRD_STRD
+	#define __CPU_ARM_HAS_PLD
+	#define __CPU_ARM_HAS_CPS
+	#define __CPU_ARM_HAS_SPLIT_FSR
+#if !defined(__CPU_ARM1136__) && !defined(__CPU_ARM11MP__)
+	#define __CPU_ARM_HAS_CP15_IFAR
+#endif
+	#define	__CPU_ARM_SUPPORTS_USER_MODE_BARRIERS
+#endif
+#if defined(__CPU_ARMV7) || (defined(__CPU_ARM1136__) && defined(__CPU_ARM1136_IS_R1__)) || defined(__CPU_ARM1176__) || defined(__CPU_ARM11MP__)
+	#define __CPU_ARM_HAS_LDREX_STREX_V6K
+	#define __CPU_HAS_CP15_THREAD_ID_REG
+#endif
+#if defined(__MARM_ARM4T__) || defined(__MARM_INTERWORK__)
+	#define __SUPPORT_THUMB_INTERWORKING
+#endif
+#if defined(__CPU_ARMV7)
+#define	__CPU_ARM_HAS_WFI
+#define	__CPU_ARM_HAS_WFE_SEV
+#define __CPU_THUMB2
+#define __CPU_SUPPORT_THUMB2EE
+#endif
+
+
+// ARM CPU macros to allow Thumb/Non-thumb builds
+#ifdef __CPU_ARM
+
+#define	EXC_TRAP_CTX_SZ		10		// Nonvolatile registers + sp + pc
+
+#ifdef __SUPPORT_THUMB_INTERWORKING
+#define __JUMP(cc,r) asm("bx"#cc " "#r )
+#ifdef __CPU_ARM_LDR_PC_SETS_TBIT
+#define __POPRET(rlist) asm("ldmfd sp!, {"rlist"pc} ")
+#define __CPOPRET(cc,rlist) asm("ldm"#cc "fd sp!, {"rlist"pc} ")
+#else
+#define __POPRET(rlist) asm("ldmfd sp!, {"rlist"lr} ");\
+						asm("bx lr ")
+#define __CPOPRET(cc,rlist)	asm("ldm"#cc "fd sp!, {"rlist"lr} ");\
+							asm("bx"#cc " lr ")
+#endif
+#else
+#define __JUMP(cc,r) asm("mov"#cc " pc, "#r )
+#define __POPRET(rlist) asm("ldmfd sp!, {"rlist"pc} ")
+#define __CPOPRET(cc,rlist) asm("ldm"#cc "fd sp!, {"rlist"pc} ")
+#endif
+
+#ifdef __CPU_ARM_SUPPORTS_BLX
+#if __ARM_ASSEMBLER_ISA__ >= 5
+#define BLX(Rm)							asm("blx r" #Rm)
+#else
+#define BLX(Rm)							asm(".word %a0" : : "i" ((TInt)( 0xe12fff30 | (Rm) )))
+#endif
+#define __JUMPL(Rm) BLX(Rm)
+#else
+#ifdef __SUPPORT_THUMB_INTERWORKING
+#define __JUMPL(Rm) asm("mov lr, pc "); \
+                    asm("bx r"#Rm )
+#else
+#define __JUMPL(Rm) asm("mov lr, pc "); \
+                    asm("mov pc, r"#Rm )
+#endif
+#endif
+
+#ifdef __MARM_THUMB__
+#ifndef __ARMCC__
+#define __SWITCH_TO_ARM		asm("push {r0} ");\
+							asm("add r0, pc, #4 ");\
+							asm("bx r0 ");\
+							asm("nop ");\
+							asm(".align 2 ");\
+							asm(".code 32 ");\
+							asm("ldr r0, [sp], #4 ")
+#define __END_ARM			asm(".code 16 ")
+#else
+#define __SWITCH_TO_ARM        asm(".code 32 ");
+#define __END_ARM
+#endif
+#else
+#define __SWITCH_TO_ARM
+#define __END_ARM
+#endif
+
+#define CC_EQ	0
+#define	CC_NE	1
+#define CC_CS	2
+#define CC_CC	3
+#define CC_MI	4
+#define CC_PL	5
+#define CC_VS	6
+#define CC_VC	7
+#define CC_HI	8
+#define CC_LS	9
+#define CC_GE	10
+#define CC_LT	11
+#define CC_GT	12
+#define CC_LE	13
+#define	CC_AL	14
+
+#ifdef __CPU_ARM_HAS_CLZ
+#if __ARM_ASSEMBLER_ISA__ >= 5
+#define CLZ(Rd,Rm)		asm("clz r" #Rd ", r" #Rm)
+#else
+#define CLZ(Rd,Rm)		asm(".word %a0" : : "i" ((TInt)0xe16f0f10|((Rd)<<12)|(Rm)));
+#endif
+#define CLZcc(cc,Rd,Rm)	asm(".word %a0" : : "i" ((TInt)0x016f0f10|((cc)<<28)|((Rd)<<12)|(Rm)));
+#endif
+#ifdef __CPU_ARM_HAS_MCRR
+#define MCRR(cop,opc,Rd,Rn,CRm)			asm(".word %a0" : : "i" ((TInt)0xec400000|((Rn)<<16)|((Rd)<<12)|((cop)<<8)|((opc)<<4)|(CRm)));
+#define MCRRcc(cc,cop,opc,Rd,Rn,CRm)	asm(".word %a0" : : "i" ((TInt)0x0c400000|((cc)<<28)|((Rn)<<16)|((Rd)<<12)|((cop)<<8)|((opc)<<4)|(CRm)));
+#define MRRC(cop,opc,Rd,Rn,CRm)			asm(".word %a0" : : "i" ((TInt)0xec500000|((Rn)<<16)|((Rd)<<12)|((cop)<<8)|((opc)<<4)|(CRm)));
+#define MRRCcc(cc,cop,opc,Rd,Rn,CRm)	asm(".word %a0" : : "i" ((TInt)0x0c500000|((cc)<<28)|((Rn)<<16)|((Rd)<<12)|((cop)<<8)|((opc)<<4)|(CRm)));
+#endif
+#ifdef __CPU_ARM_HAS_LDREX_STREX
+// LDREX Rd, [Rn] 		- load from [Rn] into Rd exclusive
+// STREX Rd, Rm, [Rn] 	- store Rm into [Rn] with exclusive access; success/fail indicator into Rd
+#define LDREXcc(cc,Rd,Rn)				asm(".word %a0" : : "i" ((TInt)(0x01900f9f|((cc)<<28)|((Rd)<<12)|((Rn)<<16))));
+#define STREXcc(cc,Rd,Rm,Rn)			asm(".word %a0" : : "i" ((TInt)(0x01800f90|((cc)<<28)|((Rd)<<12)|(Rm)|((Rn)<<16))));
+#if __ARM_ASSEMBLER_ISA__ >= 6
+#define LDREX(Rd,Rn)					asm("ldrex r" #Rd ", [r" #Rn "] ")
+#define STREX(Rd,Rm,Rn)					asm("strex r" #Rd ", r" #Rm ", [r" #Rn "] ")
+#else
+#define LDREX(Rd,Rn)					asm(".word %a0" : : "i" ((TInt)(0x01900f9f|((CC_AL)<<28)|((Rd)<<12)|((Rn)<<16))));
+#define STREX(Rd,Rm,Rn)					asm(".word %a0" : : "i" ((TInt)(0x01800f90|((CC_AL)<<28)|((Rd)<<12)|(Rm)|((Rn)<<16))));
+#endif
+#endif
+#ifdef __CPU_ARM_HAS_LDREX_STREX_V6K
+// Byte, halfword, doubleword STREX/LDREX & unconditional CLREX
+#if __ARM_ASSEMBLER_ISA__ >= 6
+#define LDREXB(Rd,Rn)					asm("ldrexb r" #Rd ", [r" #Rn "] ")
+#define STREXB(Rd,Rm,Rn)				asm("strexb r" #Rd ", r" #Rm ", [r" #Rn "] ")
+#define LDREXH(Rd,Rn)					asm("ldrexh r" #Rd ", [r" #Rn "] ")
+#define STREXH(Rd,Rm,Rn)				asm("strexh r" #Rd ", r" #Rm ", [r" #Rn "] ")
+#define LDREXD(Rd,Rn)					asm("ldrexd r" #Rd ", [r" #Rn "] ")
+#define STREXD(Rd,Rm,Rn)				asm("strexd r" #Rd ", r" #Rm ", [r" #Rn "] ")
+#else
+#define LDREXB(Rd,Rn)					asm(".word %a0" : : "i" ((TInt)(0x01D00f9f|((CC_AL)<<28)|((Rd)<<12)|((Rn)<<16))));
+#define STREXB(Rd,Rm,Rn)				asm(".word %a0" : : "i" ((TInt)(0x01C00f90|((CC_AL)<<28)|((Rd)<<12)|(Rm)|((Rn)<<16))));
+#define LDREXH(Rd,Rn)					asm(".word %a0" : : "i" ((TInt)(0x01f00f9f|((CC_AL)<<28)|((Rd)<<12)|((Rn)<<16))));
+#define STREXH(Rd,Rm,Rn)				asm(".word %a0" : : "i" ((TInt)(0x01e00f90|((CC_AL)<<28)|((Rd)<<12)|(Rm)|((Rn)<<16))));
+#define LDREXD(Rd,Rn)					asm(".word %a0" : : "i" ((TInt)(0x01b00f9f|((CC_AL)<<28)|((Rd)<<12)|((Rn)<<16))));
+#define STREXD(Rd,Rm,Rn)				asm(".word %a0" : : "i" ((TInt)(0x01a00f90|((CC_AL)<<28)|((Rd)<<12)|(Rm)|((Rn)<<16))));
+#endif
+#if !defined(__CPU_ARM1136__) || defined(__CPU_ARM1136_ERRATUM_406973_FIXED)
+#define __CPU_ARM_HAS_WORKING_CLREX
+#if __ARM_ASSEMBLER_ISA__ >= 6
+#define CLREX							asm("clrex ")
+#else
+#define CLREX							asm(".word %a0" : : "i" ((TInt)(0xf57ff01f)));
+#endif
+#endif
+#endif 
+#ifdef __CPU_ARM_HAS_LDRD_STRD
+#if __ARM_ASSEMBLER_ISA__ >= 5
+#define LDRD(Rd,Rn)						asm("ldrd r" #Rd ", [r" #Rn "] ")
+#define STRD(Rd,Rn)						asm("strd r" #Rd ", [r" #Rn "] ")
+#else
+#define LDRD(Rd,Rn)						asm(".word %a0" : : "i" ((TInt)( 0xe1c000d0 | ((Rn)<<16) | ((Rd)<<12) )))
+#define STRD(Rd,Rn)						asm(".word %a0" : : "i" ((TInt)( 0xe1c000f0 | ((Rn)<<16) | ((Rd)<<12) )))
+#endif
+#define LDRD_ioff(Rd,Rn,off)			asm(".word %a0" : : "i" ((TInt)( 0xe1c000d0 | ((Rn)<<16) | ((Rd)<<12) | (((off)&0xf0)<<4) | ((off)&0x0f) )))
+#define STRD_ioff(Rd,Rn,off)			asm(".word %a0" : : "i" ((TInt)( 0xe1c000f0 | ((Rn)<<16) | ((Rd)<<12) | (((off)&0xf0)<<4) | ((off)&0x0f) )))
+#endif
+#if defined(__CPU_ARM_HAS_PLD) && !defined(__CPU_ARM926J__) && !defined(__CPU_UNKNOWN)		// PLD is a no-op on ARM926
+#if __ARM_ASSEMBLER_ISA__ >= 5
+#define PLD(Rn)							asm("pld [r" #Rn "] ")
+#else
+#define PLD(Rn)							asm(".word %a0" : : "i" ((TInt)( 0xf5d0f000 | ((Rn)<<16) )))
+#endif
+#define PLD_ioff(Rn, off)				asm(".word %a0" : : "i" ((TInt)( 0xf5d0f000 | ((Rn)<<16) | (off) )))	// preload with immediate offset
+#define PLD_noff(Rn, off)				asm(".word %a0" : : "i" ((TInt)( 0xf550f000 | ((Rn)<<16) | (off) )))	// preload with negative offset
+#else
+#define PLD(Rn)
+#define PLD_ioff(Rn, off)
+#define PLD_noff(Rn, off)
+#endif
+#ifdef __CPU_HAS_CP15_THREAD_ID_REG
+#define GET_RWRW_TID(cc,r)				asm("mrc"#cc" p15, 0, "#r", c13, c0, 2 ");
+#define GET_RWRO_TID(cc,r)				asm("mrc"#cc" p15, 0, "#r", c13, c0, 3 ");
+#define GET_RWNO_TID(cc,r)				asm("mrc"#cc" p15, 0, "#r", c13, c0, 4 ");
+#define SET_RWRW_TID(cc,r)				asm("mcr"#cc" p15, 0, "#r", c13, c0, 2 ");
+#define SET_RWRO_TID(cc,r)				asm("mcr"#cc" p15, 0, "#r", c13, c0, 3 ");
+#define SET_RWNO_TID(cc,r)				asm("mcr"#cc" p15, 0, "#r", c13, c0, 4 ");
+#endif
+
+#ifdef __CPU_SUPPORT_THUMB2EE
+#define GET_THUMB2EE_HNDLR_BASE(cc,r)	asm("mrc"#cc" p14, 6, "#r", c1, c0, 0 ")
+#define SET_THUMB2EE_HNDLR_BASE(cc,r)	asm("mcr"#cc" p14, 6, "#r", c1, c0, 0 ")
+#endif
+
+#if defined(__CPU_ARMV7)
+#define	ARM_DMB_gen(opt)				asm(".word %a0" : : "i" ((TInt)(0xf57ff050 | (opt) )) )
+#define	ARM_DSB_gen(opt)				asm(".word %a0" : : "i" ((TInt)(0xf57ff040 | (opt) )) )
+#define	ARM_ISB_gen(opt)				asm(".word %a0" : : "i" ((TInt)(0xf57ff060 | (opt) )) )
+
+#define	ARM_DMBSY	ARM_DMB_gen(0xf)	// full system DMB
+#define	ARM_DSBSY	ARM_DSB_gen(0xf)	// full system DSB
+#define	ARM_DMBST	ARM_DMB_gen(0xe)	// full system DMB, orders writes only
+#define	ARM_DSBST	ARM_DSB_gen(0xe)	// full system DSB, orders writes only
+#define	ARM_DMBSH	ARM_DMB_gen(0xb)	// DMB encompassing inner-shareable domain
+#define	ARM_DSBSH	ARM_DSB_gen(0xb)	// DMB encompassing inner-shareable domain
+#define	ARM_DMBSHST	ARM_DMB_gen(0xa)	// DMB encompassing inner-shareable domain, orders writes only
+#define	ARM_DSBSHST	ARM_DSB_gen(0xa)	// DMB encompassing inner-shareable domain, orders writes only
+
+#define	ARM_ISBSY	ARM_ISB_gen(0xf)	// full system ISB
+
+#define	ARM_NOP							asm(".word 0xe320f000 ")
+#define	ARM_YIELD						asm(".word 0xe320f001 ")
+
+#define	__DATA_MEMORY_BARRIER__(reg)	ARM_DMBSH
+#define	__DATA_MEMORY_BARRIER_Z__(reg)	asm("mov "#reg", #0"); ARM_DMBSH
+#define	__DATA_SYNC_BARRIER__(reg)		ARM_DSBSH
+#define	__DATA_SYNC_BARRIER_Z__(reg)	asm("mov "#reg", #0"); ARM_DSBSH
+#define	__INST_SYNC_BARRIER__(reg)		ARM_ISBSY
+#define	__INST_SYNC_BARRIER_Z__(reg)	asm("mov "#reg", #0"); ARM_ISBSY
+
+#elif defined(__CPU_ARM11MP__)
+
+#define	ARM_DMB(reg)					asm("mcr p15, 0, "#reg", c7, c10, 5 ")
+#define	ARM_DSB(reg)					asm("mcr p15, 0, "#reg", c7, c10, 4 ")
+#define	ARM_ISB(reg)					asm("mcr p15, 0, "#reg", c7, c5, 4 ")
+
+#define	ARM_NOP							asm(".word 0xe320f000 ")
+#define	ARM_YIELD						asm(".word 0xe320f001 ")
+
+#define	__DATA_MEMORY_BARRIER__(reg)	ARM_DMB(reg)
+#define	__DATA_MEMORY_BARRIER_Z__(reg)	asm("mov "#reg", #0"); ARM_DMB(reg)
+#define	__DATA_SYNC_BARRIER__(reg)		ARM_DSB(reg)
+#define	__DATA_SYNC_BARRIER_Z__(reg)	asm("mov "#reg", #0"); ARM_DSB(reg)
+#define	__INST_SYNC_BARRIER__(reg)		ARM_ISB(reg)
+#define	__INST_SYNC_BARRIER_Z__(reg)	asm("mov "#reg", #0"); ARM_ISB(reg)
+
+#elif defined(__CPU_ARMV6__)
+
+#define	ARM_DMB(reg)					asm("mcr p15, 0, "#reg", c7, c10, 5 ")
+#define	ARM_DSB(reg)					asm("mcr p15, 0, "#reg", c7, c10, 4 ")
+#define	ARM_ISB(reg)					asm("mcr p15, 0, "#reg", c7, c5, 4 ")
+
+#define	__DATA_MEMORY_BARRIER__(reg)	ARM_DMB(reg)
+#define	__DATA_MEMORY_BARRIER_Z__(reg)	asm("mov "#reg", #0"); ARM_DMB(reg)
+#define	__DATA_SYNC_BARRIER__(reg)		ARM_DSB(reg)
+#define	__DATA_SYNC_BARRIER_Z__(reg)	asm("mov "#reg", #0"); ARM_DSB(reg)
+#define	__INST_SYNC_BARRIER__(reg)		ARM_ISB(reg)
+#define	__INST_SYNC_BARRIER_Z__(reg)	asm("mov "#reg", #0"); ARM_ISB(reg)
+
+#else
+
+#define	__DATA_MEMORY_BARRIER__(reg)
+#define	__DATA_MEMORY_BARRIER_Z__(reg)	asm("mov "#reg", #0")
+#define	__DATA_SYNC_BARRIER__(reg)		asm("mcr p15, 0, "#reg", c7, c10, 4 ")
+#define	__DATA_SYNC_BARRIER_Z__(reg)	asm("mov "#reg", #0"); asm("mcr p15, 0, "#reg", c7, c10, 4 ")
+#define	__INST_SYNC_BARRIER__(reg)
+#define	__INST_SYNC_BARRIER_Z__(reg)	asm("mov "#reg", #0")
+
+#endif
+
+#ifdef __SMP__
+#define	__SMP_DATA_MEMORY_BARRIER__(reg)	__DATA_MEMORY_BARRIER__(reg)
+#define	__SMP_DATA_MEMORY_BARRIER_Z__(reg)	__DATA_MEMORY_BARRIER_Z__(reg)
+#define	__SMP_DATA_SYNC_BARRIER__(reg)		__DATA_SYNC_BARRIER__(reg)
+#define	__SMP_DATA_SYNC_BARRIER_Z__(reg)	__DATA_SYNC_BARRIER_Z__(reg)
+#define	__SMP_INST_SYNC_BARRIER__(reg)		__INST_SYNC_BARRIER__(reg)
+#define	__SMP_INST_SYNC_BARRIER_Z__(reg)	__INST_SYNC_BARRIER_Z__(reg)
+#else
+#define	__SMP_DATA_MEMORY_BARRIER__(reg)
+#define	__SMP_DATA_MEMORY_BARRIER_Z__(reg)	asm("mov "#reg", #0")
+#define	__SMP_DATA_SYNC_BARRIER__(reg)
+#define	__SMP_DATA_SYNC_BARRIER_Z__(reg)	asm("mov "#reg", #0")
+#define	__SMP_INST_SYNC_BARRIER__(reg)
+#define	__SMP_INST_SYNC_BARRIER_Z__(reg)	asm("mov "#reg", #0")
+#endif
+
+#ifdef	__CPU_ARM_HAS_WFI
+#define	ARM_WFIcc(cc)					asm(".word %a0" : : "i" ((TInt)(0x0320f003 | ((cc)<<28) )) )
+#define	ARM_WFI		ARM_WFIcc(CC_AL)
+#endif
+
+#ifdef	__CPU_ARM_HAS_WFE_SEV
+#define	ARM_WFEcc(cc)					asm(".word %a0" : : "i" ((TInt)(0x0320f002 | ((cc)<<28) )) )
+#if __ARM_ASSEMBLER_ISA__ >= 6
+#define	ARM_WFE		asm("wfe ")
+#else
+#define	ARM_WFE		ARM_WFEcc(CC_AL)
+#endif
+#define	ARM_SEVcc(cc)					asm(".word %a0" : : "i" ((TInt)(0x0320f004 | ((cc)<<28) )) )
+#if __ARM_ASSEMBLER_ISA__ >= 6
+#define	ARM_SEV		asm("sev ")
+#else
+#define	ARM_SEV		ARM_SEVcc(CC_AL)
+#endif
+#endif
+
+#ifndef	ARM_NOP
+#define	ARM_NOP							asm("nop ")
+#define	ARM_YIELD						asm("nop ")
+#endif
+
+// Support for throwing exceptions through ARM embedded assembler
+// Should only be needed user side
+#ifndef __EH_FRAME_ADDRESS
+#define	__EH_FRAME_ADDRESS(reg,offset)
+#define __EH_FRAME_PUSH2(reg1,reg2) 
+#define __EH_FRAME_SAVE1(reg,offset)
+#endif
+
+// StrongARM msr bug workaround: 
+// (conditional msr might cause,that the next instruction is executed twice by these processors)  
+#ifdef __CPU_SA1__
+#define __MSR_CPSR_C(cc,r)   \
+				asm("msr"#cc" cpsr_c," #r);  \
+				ARM_NOP; 		
+#else // !__CPU_SA1__
+#define __MSR_CPSR_C(cc,r) asm("msr"#cc" cpsr_c,"#r);
+#endif
+
+// Causes undefined instruction exception on both ARM and THUMB
+#define __ASM_CRASH()					asm(".word 0xe7ffdeff ")
+#if defined(__GNUC__)
+#define	__crash()						asm(".word 0xe7ffdeff " : : : "memory")
+#elif defined(__ARMCC__)
+// RVCT doesn't let us inline an undefined instruction
+// use a CDP to CP15 instead - doesn't work on THUMB but never mind
+#define	__crash()						asm("cdp p15, 0, c0, c0, c0, 0 ")
+#endif
+
+#if !defined(__CPU_ARM_HAS_LDREX_STREX_V6K)
+#if defined(__CPU_ARM_HAS_LDREX_STREX)
+#define	__ATOMIC64_USE_SLOW_EXEC__
+#else
+#define	__ATOMIC64_USE_FAST_EXEC__
+#define	__ATOMIC_USE_FAST_EXEC__
+#endif
+#endif
+
+#endif	// __CPU_ARM
+
+#ifdef	__CPU_X86
+#define	EXC_TRAP_CTX_SZ		10		// ebx, esp, ebp, esi, edi, ds, es, fs, gs, eip
+
+// Causes exception
+#if defined(__VC32__) || defined(__CW32__)
+#define	__crash()						do { _asm int 0ffh } while(0)
+#else
+#define	__crash()						asm("int 0xff " : : : "memory")
+#endif
+
+#endif	// __CPU_X86
+
+#endif
MCL/sftools/dev/hostenv/cpptoolsplat