diff options
Diffstat (limited to 'target-s390x/kvm.c')
| -rw-r--r-- | target-s390x/kvm.c | 176 |
1 files changed, 98 insertions, 78 deletions
diff --git a/target-s390x/kvm.c b/target-s390x/kvm.c index 762231d845..6ec5e6d8a6 100644 --- a/target-s390x/kvm.c +++ b/target-s390x/kvm.c @@ -72,43 +72,45 @@ int kvm_arch_init(KVMState *s) return 0; } -int kvm_arch_init_vcpu(CPUS390XState *env) +int kvm_arch_init_vcpu(CPUState *cpu) { int ret = 0; - if (kvm_vcpu_ioctl(env, KVM_S390_INITIAL_RESET, NULL) < 0) { + if (kvm_vcpu_ioctl(cpu, KVM_S390_INITIAL_RESET, NULL) < 0) { perror("cannot init reset vcpu"); } return ret; } -void kvm_arch_reset_vcpu(CPUS390XState *env) +void kvm_arch_reset_vcpu(CPUState *cpu) { /* FIXME: add code to reset vcpu. */ } -int kvm_arch_put_registers(CPUS390XState *env, int level) +int kvm_arch_put_registers(CPUState *cs, int level) { + S390CPU *cpu = S390_CPU(cs); + CPUS390XState *env = &cpu->env; struct kvm_sregs sregs; struct kvm_regs regs; int ret; int i; /* always save the PSW and the GPRS*/ - env->kvm_run->psw_addr = env->psw.addr; - env->kvm_run->psw_mask = env->psw.mask; + cs->kvm_run->psw_addr = env->psw.addr; + cs->kvm_run->psw_mask = env->psw.mask; - if (cap_sync_regs && env->kvm_run->kvm_valid_regs & KVM_SYNC_GPRS) { + if (cap_sync_regs && cs->kvm_run->kvm_valid_regs & KVM_SYNC_GPRS) { for (i = 0; i < 16; i++) { - env->kvm_run->s.regs.gprs[i] = env->regs[i]; - env->kvm_run->kvm_dirty_regs |= KVM_SYNC_GPRS; + cs->kvm_run->s.regs.gprs[i] = env->regs[i]; + cs->kvm_run->kvm_dirty_regs |= KVM_SYNC_GPRS; } } else { for (i = 0; i < 16; i++) { regs.gprs[i] = env->regs[i]; } - ret = kvm_vcpu_ioctl(env, KVM_SET_REGS, ®s); + ret = kvm_vcpu_ioctl(cs, KVM_SET_REGS, ®s); if (ret < 0) { return ret; } @@ -120,53 +122,55 @@ int kvm_arch_put_registers(CPUS390XState *env, int level) } if (cap_sync_regs && - env->kvm_run->kvm_valid_regs & KVM_SYNC_ACRS && - env->kvm_run->kvm_valid_regs & KVM_SYNC_CRS) { + cs->kvm_run->kvm_valid_regs & KVM_SYNC_ACRS && + cs->kvm_run->kvm_valid_regs & KVM_SYNC_CRS) { for (i = 0; i < 16; i++) { - env->kvm_run->s.regs.acrs[i] = env->aregs[i]; - env->kvm_run->s.regs.crs[i] = env->cregs[i]; + cs->kvm_run->s.regs.acrs[i] = env->aregs[i]; + cs->kvm_run->s.regs.crs[i] = env->cregs[i]; } - env->kvm_run->kvm_dirty_regs |= KVM_SYNC_ACRS; - env->kvm_run->kvm_dirty_regs |= KVM_SYNC_CRS; + cs->kvm_run->kvm_dirty_regs |= KVM_SYNC_ACRS; + cs->kvm_run->kvm_dirty_regs |= KVM_SYNC_CRS; } else { for (i = 0; i < 16; i++) { sregs.acrs[i] = env->aregs[i]; sregs.crs[i] = env->cregs[i]; } - ret = kvm_vcpu_ioctl(env, KVM_SET_SREGS, &sregs); + ret = kvm_vcpu_ioctl(cs, KVM_SET_SREGS, &sregs); if (ret < 0) { return ret; } } /* Finally the prefix */ - if (cap_sync_regs && env->kvm_run->kvm_valid_regs & KVM_SYNC_PREFIX) { - env->kvm_run->s.regs.prefix = env->psa; - env->kvm_run->kvm_dirty_regs |= KVM_SYNC_PREFIX; + if (cap_sync_regs && cs->kvm_run->kvm_valid_regs & KVM_SYNC_PREFIX) { + cs->kvm_run->s.regs.prefix = env->psa; + cs->kvm_run->kvm_dirty_regs |= KVM_SYNC_PREFIX; } else { /* prefix is only supported via sync regs */ } return 0; } -int kvm_arch_get_registers(CPUS390XState *env) +int kvm_arch_get_registers(CPUState *cs) { + S390CPU *cpu = S390_CPU(cs); + CPUS390XState *env = &cpu->env; struct kvm_sregs sregs; struct kvm_regs regs; int ret; int i; /* get the PSW */ - env->psw.addr = env->kvm_run->psw_addr; - env->psw.mask = env->kvm_run->psw_mask; + env->psw.addr = cs->kvm_run->psw_addr; + env->psw.mask = cs->kvm_run->psw_mask; /* the GPRS */ - if (cap_sync_regs && env->kvm_run->kvm_valid_regs & KVM_SYNC_GPRS) { + if (cap_sync_regs && cs->kvm_run->kvm_valid_regs & KVM_SYNC_GPRS) { for (i = 0; i < 16; i++) { - env->regs[i] = env->kvm_run->s.regs.gprs[i]; + env->regs[i] = cs->kvm_run->s.regs.gprs[i]; } } else { - ret = kvm_vcpu_ioctl(env, KVM_GET_REGS, ®s); + ret = kvm_vcpu_ioctl(cs, KVM_GET_REGS, ®s); if (ret < 0) { return ret; } @@ -177,14 +181,14 @@ int kvm_arch_get_registers(CPUS390XState *env) /* The ACRS and CRS */ if (cap_sync_regs && - env->kvm_run->kvm_valid_regs & KVM_SYNC_ACRS && - env->kvm_run->kvm_valid_regs & KVM_SYNC_CRS) { + cs->kvm_run->kvm_valid_regs & KVM_SYNC_ACRS && + cs->kvm_run->kvm_valid_regs & KVM_SYNC_CRS) { for (i = 0; i < 16; i++) { - env->aregs[i] = env->kvm_run->s.regs.acrs[i]; - env->cregs[i] = env->kvm_run->s.regs.crs[i]; + env->aregs[i] = cs->kvm_run->s.regs.acrs[i]; + env->cregs[i] = cs->kvm_run->s.regs.crs[i]; } } else { - ret = kvm_vcpu_ioctl(env, KVM_GET_SREGS, &sregs); + ret = kvm_vcpu_ioctl(cs, KVM_GET_SREGS, &sregs); if (ret < 0) { return ret; } @@ -195,8 +199,8 @@ int kvm_arch_get_registers(CPUS390XState *env) } /* Finally the prefix */ - if (cap_sync_regs && env->kvm_run->kvm_valid_regs & KVM_SYNC_PREFIX) { - env->psa = env->kvm_run->s.regs.prefix; + if (cap_sync_regs && cs->kvm_run->kvm_valid_regs & KVM_SYNC_PREFIX) { + env->psa = cs->kvm_run->s.regs.prefix; } else { /* no prefix without sync regs */ } @@ -239,8 +243,10 @@ void *kvm_arch_vmalloc(ram_addr_t size) } } -int kvm_arch_insert_sw_breakpoint(CPUS390XState *env, struct kvm_sw_breakpoint *bp) +int kvm_arch_insert_sw_breakpoint(CPUState *cs, struct kvm_sw_breakpoint *bp) { + S390CPU *cpu = S390_CPU(cs); + CPUS390XState *env = &cpu->env; static const uint8_t diag_501[] = {0x83, 0x24, 0x05, 0x01}; if (cpu_memory_rw_debug(env, bp->pc, (uint8_t *)&bp->saved_insn, 4, 0) || @@ -250,8 +256,10 @@ int kvm_arch_insert_sw_breakpoint(CPUS390XState *env, struct kvm_sw_breakpoint * return 0; } -int kvm_arch_remove_sw_breakpoint(CPUS390XState *env, struct kvm_sw_breakpoint *bp) +int kvm_arch_remove_sw_breakpoint(CPUState *cs, struct kvm_sw_breakpoint *bp) { + S390CPU *cpu = S390_CPU(cs); + CPUS390XState *env = &cpu->env; uint8_t t[4]; static const uint8_t diag_501[] = {0x83, 0x24, 0x05, 0x01}; @@ -266,26 +274,28 @@ int kvm_arch_remove_sw_breakpoint(CPUS390XState *env, struct kvm_sw_breakpoint * return 0; } -void kvm_arch_pre_run(CPUS390XState *env, struct kvm_run *run) +void kvm_arch_pre_run(CPUState *cpu, struct kvm_run *run) { } -void kvm_arch_post_run(CPUS390XState *env, struct kvm_run *run) +void kvm_arch_post_run(CPUState *cpu, struct kvm_run *run) { } -int kvm_arch_process_async_events(CPUS390XState *env) +int kvm_arch_process_async_events(CPUState *cs) { - return env->halted; + S390CPU *cpu = S390_CPU(cs); + return cpu->env.halted; } -void kvm_s390_interrupt_internal(CPUS390XState *env, int type, uint32_t parm, +void kvm_s390_interrupt_internal(S390CPU *cpu, int type, uint32_t parm, uint64_t parm64, int vm) { + CPUState *cs = CPU(cpu); struct kvm_s390_interrupt kvmint; int r; - if (!env->kvm_state) { + if (!cs->kvm_state) { return; } @@ -294,9 +304,9 @@ void kvm_s390_interrupt_internal(CPUS390XState *env, int type, uint32_t parm, kvmint.parm64 = parm64; if (vm) { - r = kvm_vm_ioctl(env->kvm_state, KVM_S390_INTERRUPT, &kvmint); + r = kvm_vm_ioctl(cs->kvm_state, KVM_S390_INTERRUPT, &kvmint); } else { - r = kvm_vcpu_ioctl(env, KVM_S390_INTERRUPT, &kvmint); + r = kvm_vcpu_ioctl(cs, KVM_S390_INTERRUPT, &kvmint); } if (r < 0) { @@ -305,34 +315,38 @@ void kvm_s390_interrupt_internal(CPUS390XState *env, int type, uint32_t parm, } } -void kvm_s390_virtio_irq(CPUS390XState *env, int config_change, uint64_t token) +void kvm_s390_virtio_irq(S390CPU *cpu, int config_change, uint64_t token) { - kvm_s390_interrupt_internal(env, KVM_S390_INT_VIRTIO, config_change, + kvm_s390_interrupt_internal(cpu, KVM_S390_INT_VIRTIO, config_change, token, 1); } -void kvm_s390_interrupt(CPUS390XState *env, int type, uint32_t code) +void kvm_s390_interrupt(S390CPU *cpu, int type, uint32_t code) { - kvm_s390_interrupt_internal(env, type, code, 0, 0); + kvm_s390_interrupt_internal(cpu, type, code, 0, 0); } -static void enter_pgmcheck(CPUS390XState *env, uint16_t code) +static void enter_pgmcheck(S390CPU *cpu, uint16_t code) { - kvm_s390_interrupt(env, KVM_S390_PROGRAM_INT, code); + kvm_s390_interrupt(cpu, KVM_S390_PROGRAM_INT, code); } -static inline void setcc(CPUS390XState *env, uint64_t cc) +static inline void setcc(S390CPU *cpu, uint64_t cc) { - env->kvm_run->psw_mask &= ~(3ull << 44); - env->kvm_run->psw_mask |= (cc & 3) << 44; + CPUS390XState *env = &cpu->env; + CPUState *cs = CPU(cpu); + + cs->kvm_run->psw_mask &= ~(3ull << 44); + cs->kvm_run->psw_mask |= (cc & 3) << 44; env->psw.mask &= ~(3ul << 44); env->psw.mask |= (cc & 3) << 44; } -static int kvm_sclp_service_call(CPUS390XState *env, struct kvm_run *run, +static int kvm_sclp_service_call(S390CPU *cpu, struct kvm_run *run, uint16_t ipbh0) { + CPUS390XState *env = &cpu->env; uint32_t sccb; uint64_t code; int r = 0; @@ -343,14 +357,14 @@ static int kvm_sclp_service_call(CPUS390XState *env, struct kvm_run *run, r = sclp_service_call(sccb, code); if (r < 0) { - enter_pgmcheck(env, -r); + enter_pgmcheck(cpu, -r); } - setcc(env, r); + setcc(cpu, r); return 0; } -static int handle_priv(CPUS390XState *env, struct kvm_run *run, uint8_t ipa1) +static int handle_priv(S390CPU *cpu, struct kvm_run *run, uint8_t ipa1) { int r = 0; uint16_t ipbh0 = (run->s390_sieic.ipb & 0xffff0000) >> 16; @@ -358,7 +372,7 @@ static int handle_priv(CPUS390XState *env, struct kvm_run *run, uint8_t ipa1) dprintf("KVM: PRIV: %d\n", ipa1); switch (ipa1) { case PRIV_SCLP_CALL: - r = kvm_sclp_service_call(env, run, ipbh0); + r = kvm_sclp_service_call(cpu, run, ipbh0); break; default: dprintf("KVM: unknown PRIV: 0x%x\n", ipa1); @@ -401,7 +415,7 @@ static int s390_cpu_restart(S390CPU *cpu) { CPUS390XState *env = &cpu->env; - kvm_s390_interrupt(env, KVM_S390_RESTART, 0); + kvm_s390_interrupt(cpu, KVM_S390_RESTART, 0); s390_add_running_cpu(env); qemu_cpu_kick(CPU(cpu)); dprintf("DONE: SIGP cpu restart: %p\n", env); @@ -415,12 +429,13 @@ static int s390_store_status(CPUS390XState *env, uint32_t parameter) return -1; } -static int s390_cpu_initial_reset(CPUS390XState *env) +static int s390_cpu_initial_reset(S390CPU *cpu) { + CPUS390XState *env = &cpu->env; int i; s390_del_running_cpu(env); - if (kvm_vcpu_ioctl(env, KVM_S390_INITIAL_RESET, NULL) < 0) { + if (kvm_vcpu_ioctl(CPU(cpu), KVM_S390_INITIAL_RESET, NULL) < 0) { perror("cannot init reset vcpu"); } @@ -434,8 +449,9 @@ static int s390_cpu_initial_reset(CPUS390XState *env) return 0; } -static int handle_sigp(CPUS390XState *env, struct kvm_run *run, uint8_t ipa1) +static int handle_sigp(S390CPU *cpu, struct kvm_run *run, uint8_t ipa1) { + CPUS390XState *env = &cpu->env; uint8_t order_code; uint32_t parameter; uint16_t cpu_addr; @@ -479,7 +495,7 @@ static int handle_sigp(CPUS390XState *env, struct kvm_run *run, uint8_t ipa1) /* make the caller panic */ return -1; case SIGP_INITIAL_CPU_RESET: - r = s390_cpu_initial_reset(target_env); + r = s390_cpu_initial_reset(target_cpu); break; default: fprintf(stderr, "KVM: unknown SIGP: 0x%x\n", order_code); @@ -487,12 +503,13 @@ static int handle_sigp(CPUS390XState *env, struct kvm_run *run, uint8_t ipa1) } out: - setcc(env, r ? 3 : 0); + setcc(cpu, r ? 3 : 0); return 0; } -static int handle_instruction(CPUS390XState *env, struct kvm_run *run) +static int handle_instruction(S390CPU *cpu, struct kvm_run *run) { + CPUS390XState *env = &cpu->env; unsigned int ipa0 = (run->s390_sieic.ipa & 0xff00); uint8_t ipa1 = run->s390_sieic.ipa & 0x00ff; int ipb_code = (run->s390_sieic.ipb & 0x0fff0000) >> 16; @@ -501,43 +518,45 @@ static int handle_instruction(CPUS390XState *env, struct kvm_run *run) dprintf("handle_instruction 0x%x 0x%x\n", run->s390_sieic.ipa, run->s390_sieic.ipb); switch (ipa0) { case IPA0_PRIV: - r = handle_priv(env, run, ipa1); + r = handle_priv(cpu, run, ipa1); break; case IPA0_DIAG: r = handle_diag(env, run, ipb_code); break; case IPA0_SIGP: - r = handle_sigp(env, run, ipa1); + r = handle_sigp(cpu, run, ipa1); break; } if (r < 0) { - enter_pgmcheck(env, 0x0001); + enter_pgmcheck(cpu, 0x0001); } return 0; } -static bool is_special_wait_psw(CPUS390XState *env) +static bool is_special_wait_psw(CPUState *cs) { /* signal quiesce */ - return env->kvm_run->psw_addr == 0xfffUL; + return cs->kvm_run->psw_addr == 0xfffUL; } -static int handle_intercept(CPUS390XState *env) +static int handle_intercept(S390CPU *cpu) { - struct kvm_run *run = env->kvm_run; + CPUS390XState *env = &cpu->env; + CPUState *cs = CPU(cpu); + struct kvm_run *run = cs->kvm_run; int icpt_code = run->s390_sieic.icptcode; int r = 0; dprintf("intercept: 0x%x (at 0x%lx)\n", icpt_code, - (long)env->kvm_run->psw_addr); + (long)cs->kvm_run->psw_addr); switch (icpt_code) { case ICPT_INSTRUCTION: - r = handle_instruction(env, run); + r = handle_instruction(cpu, run); break; case ICPT_WAITPSW: if (s390_del_running_cpu(env) == 0 && - is_special_wait_psw(env)) { + is_special_wait_psw(cs)) { qemu_system_shutdown_request(); } r = EXCP_HALTED; @@ -565,13 +584,14 @@ static int handle_intercept(CPUS390XState *env) return r; } -int kvm_arch_handle_exit(CPUS390XState *env, struct kvm_run *run) +int kvm_arch_handle_exit(CPUState *cs, struct kvm_run *run) { + S390CPU *cpu = S390_CPU(cs); int ret = 0; switch (run->exit_reason) { case KVM_EXIT_S390_SIEIC: - ret = handle_intercept(env); + ret = handle_intercept(cpu); break; case KVM_EXIT_S390_RESET: qemu_system_reset_request(); @@ -587,12 +607,12 @@ int kvm_arch_handle_exit(CPUS390XState *env, struct kvm_run *run) return ret; } -bool kvm_arch_stop_on_emulation_error(CPUS390XState *env) +bool kvm_arch_stop_on_emulation_error(CPUState *cpu) { return true; } -int kvm_arch_on_sigbus_vcpu(CPUS390XState *env, int code, void *addr) +int kvm_arch_on_sigbus_vcpu(CPUState *cpu, int code, void *addr) { return 1; } |