diff options
Diffstat (limited to 'target-s390x/cpu.c')
| -rw-r--r-- | target-s390x/cpu.c | 52 |
1 files changed, 49 insertions, 3 deletions
diff --git a/target-s390x/cpu.c b/target-s390x/cpu.c index 5cc99387b2..3c89f8a767 100644 --- a/target-s390x/cpu.c +++ b/target-s390x/cpu.c @@ -65,7 +65,18 @@ static void s390_cpu_set_pc(CPUState *cs, vaddr value) cpu->env.psw.addr = value; } -/* CPUClass::reset() */ +#if !defined(CONFIG_USER_ONLY) +/* S390CPUClass::load_normal() */ +static void s390_cpu_load_normal(CPUState *s) +{ + S390CPU *cpu = S390_CPU(s); + cpu->env.psw.addr = ldl_phys(4) & PSW_MASK_ESA_ADDR; + cpu->env.psw.mask = PSW_MASK_32 | PSW_MASK_64; + s390_add_running_cpu(cpu); +} +#endif + +/* S390CPUClass::cpu_reset() */ static void s390_cpu_reset(CPUState *s) { S390CPU *cpu = S390_CPU(s); @@ -73,6 +84,37 @@ static void s390_cpu_reset(CPUState *s) CPUS390XState *env = &cpu->env; s390_del_running_cpu(cpu); + scc->parent_reset(s); +#if !defined(CONFIG_USER_ONLY) + s->halted = 1; +#endif + tlb_flush(env, 1); +} + +/* S390CPUClass::initial_reset() */ +static void s390_cpu_initial_reset(CPUState *s) +{ + S390CPU *cpu = S390_CPU(s); + CPUS390XState *env = &cpu->env; + + s390_cpu_reset(s); + /* initial reset does not touch regs,fregs and aregs */ + memset(&env->fpc, 0, offsetof(CPUS390XState, breakpoints) - + offsetof(CPUS390XState, fpc)); + + /* architectured initial values for CR 0 and 14 */ + env->cregs[0] = CR0_RESET; + env->cregs[14] = CR14_RESET; +} + +/* CPUClass:reset() */ +static void s390_cpu_full_reset(CPUState *s) +{ + S390CPU *cpu = S390_CPU(s); + S390CPUClass *scc = S390_CPU_GET_CLASS(cpu); + CPUS390XState *env = &cpu->env; + + s390_del_running_cpu(cpu); scc->parent_reset(s); @@ -169,8 +211,12 @@ static void s390_cpu_class_init(ObjectClass *oc, void *data) dc->realize = s390_cpu_realizefn; scc->parent_reset = cc->reset; - cc->reset = s390_cpu_reset; - +#if !defined(CONFIG_USER_ONLY) + scc->load_normal = s390_cpu_load_normal; +#endif + scc->cpu_reset = s390_cpu_reset; + scc->initial_cpu_reset = s390_cpu_initial_reset; + cc->reset = s390_cpu_full_reset; cc->do_interrupt = s390_cpu_do_interrupt; cc->dump_state = s390_cpu_dump_state; cc->set_pc = s390_cpu_set_pc; |