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Annotation of qemu/target-cris/cpu.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * QEMU CRIS CPU
        !             3:  *
        !             4:  * Copyright (c) 2008 AXIS Communications AB
        !             5:  * Written by Edgar E. Iglesias.
        !             6:  *
        !             7:  * Copyright (c) 2012 SUSE LINUX Products GmbH
        !             8:  *
        !             9:  * This library is free software; you can redistribute it and/or
        !            10:  * modify it under the terms of the GNU Lesser General Public
        !            11:  * License as published by the Free Software Foundation; either
        !            12:  * version 2.1 of the License, or (at your option) any later version.
        !            13:  *
        !            14:  * This library is distributed in the hope that it will be useful,
        !            15:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            16:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
        !            17:  * Lesser General Public License for more details.
        !            18:  *
        !            19:  * You should have received a copy of the GNU Lesser General Public
        !            20:  * License along with this library; if not, see
        !            21:  * <http://www.gnu.org/licenses/lgpl-2.1.html>
        !            22:  */
        !            23: 
        !            24: #include "cpu.h"
        !            25: #include "qemu-common.h"
        !            26: #include "mmu.h"
        !            27: 
        !            28: 
        !            29: /* CPUClass::reset() */
        !            30: static void cris_cpu_reset(CPUState *s)
        !            31: {
        !            32:     CRISCPU *cpu = CRIS_CPU(s);
        !            33:     CRISCPUClass *ccc = CRIS_CPU_GET_CLASS(cpu);
        !            34:     CPUCRISState *env = &cpu->env;
        !            35:     uint32_t vr;
        !            36: 
        !            37:     if (qemu_loglevel_mask(CPU_LOG_RESET)) {
        !            38:         qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
        !            39:         log_cpu_state(env, 0);
        !            40:     }
        !            41: 
        !            42:     ccc->parent_reset(s);
        !            43: 
        !            44:     vr = env->pregs[PR_VR];
        !            45:     memset(env, 0, offsetof(CPUCRISState, breakpoints));
        !            46:     env->pregs[PR_VR] = vr;
        !            47:     tlb_flush(env, 1);
        !            48: 
        !            49: #if defined(CONFIG_USER_ONLY)
        !            50:     /* start in user mode with interrupts enabled.  */
        !            51:     env->pregs[PR_CCS] |= U_FLAG | I_FLAG | P_FLAG;
        !            52: #else
        !            53:     cris_mmu_init(env);
        !            54:     env->pregs[PR_CCS] = 0;
        !            55: #endif
        !            56: }
        !            57: 
        !            58: static void cris_cpu_initfn(Object *obj)
        !            59: {
        !            60:     CRISCPU *cpu = CRIS_CPU(obj);
        !            61:     CPUCRISState *env = &cpu->env;
        !            62: 
        !            63:     cpu_exec_init(env);
        !            64: }
        !            65: 
        !            66: static void cris_cpu_class_init(ObjectClass *oc, void *data)
        !            67: {
        !            68:     CPUClass *cc = CPU_CLASS(oc);
        !            69:     CRISCPUClass *ccc = CRIS_CPU_CLASS(oc);
        !            70: 
        !            71:     ccc->parent_reset = cc->reset;
        !            72:     cc->reset = cris_cpu_reset;
        !            73: }
        !            74: 
        !            75: static const TypeInfo cris_cpu_type_info = {
        !            76:     .name = TYPE_CRIS_CPU,
        !            77:     .parent = TYPE_CPU,
        !            78:     .instance_size = sizeof(CRISCPU),
        !            79:     .instance_init = cris_cpu_initfn,
        !            80:     .abstract = false,
        !            81:     .class_size = sizeof(CRISCPUClass),
        !            82:     .class_init = cris_cpu_class_init,
        !            83: };
        !            84: 
        !            85: static void cris_cpu_register_types(void)
        !            86: {
        !            87:     type_register_static(&cris_cpu_type_info);
        !            88: }
        !            89: 
        !            90: type_init(cris_cpu_register_types)

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