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Current File : //sys/arm/include/asm.h |
/* $NetBSD: asm.h,v 1.5 2003/08/07 16:26:53 agc Exp $ */ /*- * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * William Jolitz. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: @(#)asm.h 5.5 (Berkeley) 5/7/91 * * $FreeBSD: release/9.1.0/sys/arm/include/asm.h 172613 2007-10-13 12:04:10Z cognet $ */ #ifndef _MACHINE_ASM_H_ #define _MACHINE_ASM_H_ #include <sys/cdefs.h> #ifdef __ELF__ # define _C_LABEL(x) x #else # ifdef __STDC__ # define _C_LABEL(x) _ ## x # else # define _C_LABEL(x) _/**/x # endif #endif #define _ASM_LABEL(x) x #ifndef _JB_MAGIC__SETJMP #define _JB_MAGIC__SETJMP 0x4278f500 #define _JB_MAGIC_SETJMP 0x4278f501 #endif #define I32_bit (1 << 7) /* IRQ disable */ #define F32_bit (1 << 6) /* FIQ disable */ #define CPU_CONTROL_32BP_ENABLE 0x00000010 /* P: 32-bit exception handlers */ #define CPU_CONTROL_32BD_ENABLE 0x00000020 /* D: 32-bit addressing */ #ifndef _ALIGN_TEXT # define _ALIGN_TEXT .align 0 #endif /* * gas/arm uses @ as a single comment character and thus cannot be used here * Instead it recognised the # instead of an @ symbols in .type directives * We define a couple of macros so that assembly code will not be dependant * on one or the other. */ #define _ASM_TYPE_FUNCTION #function #define _ASM_TYPE_OBJECT #object #define GLOBAL(X) .globl x #define _ENTRY(x) \ .text; _ALIGN_TEXT; .globl x; .type x,_ASM_TYPE_FUNCTION; x: #ifdef GPROF # define _PROF_PROLOGUE \ mov ip, lr; bl __mcount #else # define _PROF_PROLOGUE #endif #define ENTRY(y) _ENTRY(_C_LABEL(y)); _PROF_PROLOGUE #define ENTRY_NP(y) _ENTRY(_C_LABEL(y)) #define ASENTRY(y) _ENTRY(_ASM_LABEL(y)); _PROF_PROLOGUE #define ASENTRY_NP(y) _ENTRY(_ASM_LABEL(y)) #define ASMSTR .asciz #if defined(__ELF__) && defined(PIC) #ifdef __STDC__ #define PIC_SYM(x,y) x ## ( ## y ## ) #else #define PIC_SYM(x,y) x/**/(/**/y/**/) #endif #else #define PIC_SYM(x,y) x #endif #undef __FBSDID #if !defined(lint) && !defined(STRIP_FBSDID) #define __FBSDID(s) .ident s #else #define __FBSDID(s) /* nothing */ #endif #ifdef __ELF__ #define WEAK_ALIAS(alias,sym) \ .weak alias; \ alias = sym #endif #ifdef __STDC__ #define WARN_REFERENCES(sym,msg) \ .stabs msg ## ,30,0,0,0 ; \ .stabs __STRING(_C_LABEL(sym)) ## ,1,0,0,0 #elif defined(__ELF__) #define WARN_REFERENCES(sym,msg) \ .stabs msg,30,0,0,0 ; \ .stabs __STRING(sym),1,0,0,0 #else #define WARN_REFERENCES(sym,msg) \ .stabs msg,30,0,0,0 ; \ .stabs __STRING(_/**/sym),1,0,0,0 #endif /* __STDC__ */ #if defined (__ARM_ARCH_6__) || defined (__ARM_ARCH_6J__) #define _ARM_ARCH_6 #endif #if defined (_ARM_ARCH_6) || defined (__ARM_ARCH_5__) || \ defined (__ARM_ARCH_5T__) || defined (__ARM_ARCH_5TE__) || \ defined (__ARM_ARCH_5TEJ__) || defined (__ARM_ARCH_5E__) #define _ARM_ARCH_5 #endif #if defined (_ARM_ARCH_6) || defined(__ARM_ARCH_5TE__) || \ defined(__ARM_ARCH_5TEJ__) || defined(__ARM_ARCH_5E__) #define _ARM_ARCH_5E #endif #if defined (_ARM_ARCH_5) || defined (__ARM_ARCH_4T__) #define _ARM_ARCH_4T #endif #if defined (_ARM_ARCH_4T) # define RET bx lr # define RETeq bxeq lr # define RETne bxne lr # ifdef __STDC__ # define RETc(c) bx##c lr # else # define RETc(c) bx/**/c lr # endif #else # define RET mov pc, lr # define RETeq moveq pc, lr # define RETne movne pc, lr # ifdef __STDC__ # define RETc(c) mov##c pc, lr # else # define RETc(c) mov/**/c pc, lr # endif #endif #endif /* !_MACHINE_ASM_H_ */