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Annotation of qemu/target-cris/cpu.c, revision 1.1.1.1

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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