Return to cpu.c CVS log

Up to [Qemu by Fabrice Bellard] / qemu / target-s390x

Annotation of qemu/target-s390x/cpu.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * QEMU S/390 CPU
                      3:  *
                      4:  * Copyright (c) 2009 Ulrich Hecht
                      5:  * Copyright (c) 2011 Alexander Graf
                      6:  * Copyright (c) 2012 SUSE LINUX Products GmbH
                      7:  *
                      8:  * This library is free software; you can redistribute it and/or
                      9:  * modify it under the terms of the GNU Lesser General Public
                     10:  * License as published by the Free Software Foundation; either
                     11:  * version 2.1 of the License, or (at your option) any later version.
                     12:  *
                     13:  * This library is distributed in the hope that it will be useful,
                     14:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
                     15:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
                     16:  * Lesser General Public License for more details.
                     17:  *
                     18:  * You should have received a copy of the GNU Lesser General Public
                     19:  * License along with this library; if not, see
                     20:  * <http://www.gnu.org/licenses/lgpl-2.1.html>
                     21:  */
                     22: 
                     23: #include "cpu-qom.h"
                     24: #include "qemu-common.h"
                     25: #include "qemu-timer.h"
                     26: 
                     27: 
                     28: /* CPUClass::reset() */
                     29: static void s390_cpu_reset(CPUState *s)
                     30: {
                     31:     S390CPU *cpu = S390_CPU(s);
                     32:     S390CPUClass *scc = S390_CPU_GET_CLASS(cpu);
                     33:     CPUS390XState *env = &cpu->env;
                     34: 
                     35:     if (qemu_loglevel_mask(CPU_LOG_RESET)) {
                     36:         qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
                     37:         log_cpu_state(env, 0);
                     38:     }
                     39: 
                     40:     scc->parent_reset(s);
                     41: 
                     42:     memset(env, 0, offsetof(CPUS390XState, breakpoints));
                     43:     /* FIXME: reset vector? */
                     44:     tlb_flush(env, 1);
                     45:     s390_add_running_cpu(env);
                     46: }
                     47: 
                     48: static void s390_cpu_initfn(Object *obj)
                     49: {
                     50:     S390CPU *cpu = S390_CPU(obj);
                     51:     CPUS390XState *env = &cpu->env;
                     52:     static int cpu_num = 0;
                     53: #if !defined(CONFIG_USER_ONLY)
                     54:     struct tm tm;
                     55: #endif
                     56: 
                     57:     cpu_exec_init(env);
                     58: #if !defined(CONFIG_USER_ONLY)
                     59:     qemu_get_timedate(&tm, 0);
                     60:     env->tod_offset = TOD_UNIX_EPOCH +
                     61:                       (time2tod(mktimegm(&tm)) * 1000000000ULL);
                     62:     env->tod_basetime = 0;
                     63:     env->tod_timer = qemu_new_timer_ns(vm_clock, s390x_tod_timer, cpu);
                     64:     env->cpu_timer = qemu_new_timer_ns(vm_clock, s390x_cpu_timer, cpu);
                     65: #endif
                     66:     env->cpu_num = cpu_num++;
                     67:     env->ext_index = -1;
                     68: 
                     69:     cpu_reset(CPU(cpu));
                     70: }
                     71: 
                     72: static void s390_cpu_class_init(ObjectClass *oc, void *data)
                     73: {
                     74:     S390CPUClass *scc = S390_CPU_CLASS(oc);
                     75:     CPUClass *cc = CPU_CLASS(scc);
                     76: 
                     77:     scc->parent_reset = cc->reset;
                     78:     cc->reset = s390_cpu_reset;
                     79: }
                     80: 
                     81: static const TypeInfo s390_cpu_type_info = {
                     82:     .name = TYPE_S390_CPU,
                     83:     .parent = TYPE_CPU,
                     84:     .instance_size = sizeof(S390CPU),
                     85:     .instance_init = s390_cpu_initfn,
                     86:     .abstract = false,
                     87:     .class_size = sizeof(S390CPUClass),
                     88:     .class_init = s390_cpu_class_init,
                     89: };
                     90: 
                     91: static void s390_cpu_register_types(void)
                     92: {
                     93:     type_register_static(&s390_cpu_type_info);
                     94: }
                     95: 
                     96: type_init(s390_cpu_register_types)

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.