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

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