/* * dyngen defines for micro operation code * * Copyright (c) 2003 Fabrice Bellard * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see <http://www.gnu.org/licenses/>. */ #if !defined(__DYNGEN_EXEC_H__) #define __DYNGEN_EXEC_H__ #if defined(CONFIG_TCG_INTERPRETER) /* The TCG interpreter does not need a special register AREG0, * but it is possible to use one by defining AREG0. * On i386, register edi seems to work. */ /* Run without special register AREG0 or use a value defined elsewhere. */ #elif defined(__i386__) #define AREG0 "ebp" #elif defined(__x86_64__) #define AREG0 "r14" #elif defined(_ARCH_PPC) #define AREG0 "r27" #elif defined(__arm__) #define AREG0 "r7" #elif defined(__hppa__) #define AREG0 "r17" #elif defined(__mips__) #define AREG0 "s0" #elif defined(__sparc__) #ifdef CONFIG_SOLARIS #define AREG0 "g2" #else #ifdef __sparc_v9__ #define AREG0 "g5" #else #define AREG0 "g6" #endif #endif #elif defined(__s390__) #define AREG0 "r10" #elif defined(__alpha__) /* Note $15 is the frame pointer, so anything in op-i386.c that would require a frame pointer, like alloca, would probably loose. */ #define AREG0 "$15" #elif defined(__mc68000) #define AREG0 "%a5" #elif defined(__ia64__) #define AREG0 "r7" #else #error unsupported CPU #endif #if defined(AREG0) register CPUState *env asm(AREG0); #else /* TODO: Try env = cpu_single_env. */ extern CPUState *env; #endif #endif /* !defined(__DYNGEN_EXEC_H__) */