Annotation of qemu/dyngen-exec.h, revision 1.1.1.13

1.1       root        1: /*
                      2:  *  dyngen defines for micro operation code
                      3:  *
                      4:  *  Copyright (c) 2003 Fabrice Bellard
                      5:  *
                      6:  * This library is free software; you can redistribute it and/or
                      7:  * modify it under the terms of the GNU Lesser General Public
                      8:  * License as published by the Free Software Foundation; either
                      9:  * version 2 of the License, or (at your option) any later version.
                     10:  *
                     11:  * This library is distributed in the hope that it will be useful,
                     12:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
                     13:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
                     14:  * Lesser General Public License for more details.
                     15:  *
                     16:  * You should have received a copy of the GNU Lesser General Public
1.1.1.7   root       17:  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
1.1       root       18:  */
                     19: #if !defined(__DYNGEN_EXEC_H__)
                     20: #define __DYNGEN_EXEC_H__
                     21: 
1.1.1.12  root       22: #if defined(CONFIG_TCG_INTERPRETER)
                     23: /* The TCG interpreter does not need a special register AREG0,
                     24:  * but it is possible to use one by defining AREG0.
                     25:  * On i386, register edi seems to work. */
                     26: /* Run without special register AREG0 or use a value defined elsewhere. */
                     27: #elif defined(__i386__)
1.1       root       28: #define AREG0 "ebp"
1.1.1.5   root       29: #elif defined(__x86_64__)
                     30: #define AREG0 "r14"
1.1.1.6   root       31: #elif defined(_ARCH_PPC)
1.1       root       32: #define AREG0 "r27"
1.1.1.5   root       33: #elif defined(__arm__)
1.1.1.13! root       34: #define AREG0 "r6"
1.1.1.6   root       35: #elif defined(__hppa__)
                     36: #define AREG0 "r17"
1.1.1.5   root       37: #elif defined(__mips__)
1.1.1.9   root       38: #define AREG0 "s0"
1.1.1.5   root       39: #elif defined(__sparc__)
1.1.1.8   root       40: #ifdef CONFIG_SOLARIS
1.1.1.3   root       41: #define AREG0 "g2"
                     42: #else
                     43: #ifdef __sparc_v9__
1.1.1.6   root       44: #define AREG0 "g5"
1.1.1.3   root       45: #else
1.1       root       46: #define AREG0 "g6"
1.1.1.3   root       47: #endif
                     48: #endif
1.1.1.5   root       49: #elif defined(__s390__)
1.1       root       50: #define AREG0 "r10"
1.1.1.5   root       51: #elif defined(__alpha__)
1.1       root       52: /* Note $15 is the frame pointer, so anything in op-i386.c that would
                     53:    require a frame pointer, like alloca, would probably loose.  */
                     54: #define AREG0 "$15"
1.1.1.5   root       55: #elif defined(__mc68000)
1.1       root       56: #define AREG0 "%a5"
1.1.1.5   root       57: #elif defined(__ia64__)
1.1       root       58: #define AREG0 "r7"
1.1.1.5   root       59: #else
                     60: #error unsupported CPU
1.1       root       61: #endif
                     62: 
1.1.1.12  root       63: #if defined(AREG0)
1.1.1.13! root       64: register CPUArchState *env asm(AREG0);
1.1.1.5   root       65: #else
1.1.1.12  root       66: /* TODO: Try env = cpu_single_env. */
1.1.1.13! root       67: extern CPUArchState *env;
1.1       root       68: #endif
                     69: 
                     70: #endif /* !defined(__DYNGEN_EXEC_H__) */

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