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Annotation of qemu/target-alpha/exec.h, revision 1.1

1.1     ! root        1: /*
        !             2:  *  Alpha emulation cpu run-time definitions for qemu.
        !             3:  *
        !             4:  *  Copyright (c) 2007 Jocelyn Mayer
        !             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
        !            17:  * License along with this library; if not, write to the Free Software
        !            18:  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
        !            19:  */
        !            20: 
        !            21: #if !defined (__ALPHA_EXEC_H__)
        !            22: #define __ALPHA_EXEC_H__
        !            23: 
        !            24: #include "config.h"
        !            25: 
        !            26: #include "dyngen-exec.h"
        !            27: 
        !            28: #define TARGET_LONG_BITS 64
        !            29: 
        !            30: register struct CPUAlphaState *env asm(AREG0);
        !            31: 
        !            32: #if TARGET_LONG_BITS > HOST_LONG_BITS
        !            33: 
        !            34: /* no registers can be used */
        !            35: #define T0 (env->t0)
        !            36: #define T1 (env->t1)
        !            37: #define T2 (env->t2)
        !            38: 
        !            39: #else
        !            40: 
        !            41: register uint64_t T0 asm(AREG1);
        !            42: register uint64_t T1 asm(AREG2);
        !            43: register uint64_t T2 asm(AREG3);
        !            44: 
        !            45: #endif /* TARGET_LONG_BITS > HOST_LONG_BITS */
        !            46: 
        !            47: #define PARAM(n) ((uint64_t)PARAM##n)
        !            48: #define SPARAM(n) ((int32_t)PARAM##n)
        !            49: #define FT0 (env->ft0)
        !            50: #define FT1 (env->ft1)
        !            51: #define FT2 (env->ft2)
        !            52: #define FP_STATUS (env->fp_status)
        !            53: 
        !            54: #if defined (DEBUG_OP)
        !            55: #define RETURN() __asm__ __volatile__("nop" : : : "memory");
        !            56: #else
        !            57: #define RETURN() __asm__ __volatile__("" : : : "memory");
        !            58: #endif
        !            59: 
        !            60: #include "cpu.h"
        !            61: #include "exec-all.h"
        !            62: 
        !            63: #if !defined(CONFIG_USER_ONLY)
        !            64: #include "softmmu_exec.h"
        !            65: #endif /* !defined(CONFIG_USER_ONLY) */
        !            66: 
        !            67: static always_inline void env_to_regs(void)
        !            68: {
        !            69: }
        !            70: 
        !            71: static always_inline void regs_to_env(void)
        !            72: {
        !            73: }
        !            74: 
        !            75: int cpu_alpha_handle_mmu_fault (CPUState *env, uint64_t address, int rw,
        !            76:                                 int mmu_idx, int is_softmmu);
        !            77: int cpu_alpha_mfpr (CPUState *env, int iprn, uint64_t *valp);
        !            78: int cpu_alpha_mtpr (CPUState *env, int iprn, uint64_t val, uint64_t *oldvalp);
        !            79: 
        !            80: void do_interrupt (CPUState *env);
        !            81: 
        !            82: static always_inline int cpu_halted(CPUState *env) {
        !            83:     if (!env->halted)
        !            84:         return 0;
        !            85:     if (env->interrupt_request & CPU_INTERRUPT_HARD) {
        !            86:         env->halted = 0;
        !            87:         return 0;
        !            88:     }
        !            89:     return EXCP_HALTED;
        !            90: }
        !            91: 
        !            92: #endif /* !defined (__ALPHA_EXEC_H__) */

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