diff options
Diffstat (limited to 'target/s390x')
-rw-r--r-- | target/s390x/cpu.c | 18 | ||||
-rw-r--r-- | target/s390x/cpu.h | 3 | ||||
-rw-r--r-- | target/s390x/helper.c | 2 | ||||
-rw-r--r-- | target/s390x/kvm-stub.c | 10 | ||||
-rw-r--r-- | target/s390x/kvm.c | 42 | ||||
-rw-r--r-- | target/s390x/kvm_s390x.h | 4 | ||||
-rw-r--r-- | target/s390x/translate.c | 2 |
7 files changed, 64 insertions, 17 deletions
diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c index cf84d30..3dd396e 100644 --- a/target/s390x/cpu.c +++ b/target/s390x/cpu.c @@ -78,13 +78,13 @@ static void s390_cpu_load_normal(CPUState *s) S390CPU *cpu = S390_CPU(s); uint64_t spsw = ldq_phys(s->as, 0); - cpu->env.psw.mask = spsw & 0xffffffff80000000ULL; + cpu->env.psw.mask = spsw & PSW_MASK_SHORT_CTRL; /* * Invert short psw indication, so SIE will report a specification * exception if it was not set. */ cpu->env.psw.mask ^= PSW_MASK_SHORTPSW; - cpu->env.psw.addr = spsw & 0x7fffffffULL; + cpu->env.psw.addr = spsw & PSW_MASK_SHORT_ADDR; s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu); } @@ -144,8 +144,18 @@ static void s390_cpu_reset(CPUState *s, cpu_reset_type type) } /* Reset state inside the kernel that we cannot access yet from QEMU. */ - if (kvm_enabled() && type != S390_CPU_RESET_NORMAL) { - kvm_s390_reset_vcpu(cpu); + if (kvm_enabled()) { + switch (type) { + case S390_CPU_RESET_CLEAR: + kvm_s390_reset_vcpu_clear(cpu); + break; + case S390_CPU_RESET_INITIAL: + kvm_s390_reset_vcpu_initial(cpu); + break; + case S390_CPU_RESET_NORMAL: + kvm_s390_reset_vcpu_normal(cpu); + break; + } } } diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h index 8a557fd..1d17709 100644 --- a/target/s390x/cpu.h +++ b/target/s390x/cpu.h @@ -276,7 +276,8 @@ extern const VMStateDescription vmstate_s390_cpu; #define PSW_MASK_RI 0x0000008000000000ULL #define PSW_MASK_64 0x0000000100000000ULL #define PSW_MASK_32 0x0000000080000000ULL -#define PSW_MASK_ESA_ADDR 0x000000007fffffffULL +#define PSW_MASK_SHORT_ADDR 0x000000007fffffffULL +#define PSW_MASK_SHORT_CTRL 0xffffffff80000000ULL #undef PSW_ASC_PRIMARY #undef PSW_ASC_ACCREG diff --git a/target/s390x/helper.c b/target/s390x/helper.c index b810ad4..ed72684 100644 --- a/target/s390x/helper.c +++ b/target/s390x/helper.c @@ -89,7 +89,7 @@ hwaddr s390_cpu_get_phys_addr_debug(CPUState *cs, vaddr vaddr) static inline bool is_special_wait_psw(uint64_t psw_addr) { /* signal quiesce */ - return psw_addr == 0xfffUL; + return (psw_addr & 0xfffUL) == 0xfffUL; } void s390_handle_wait(S390CPU *cpu) diff --git a/target/s390x/kvm-stub.c b/target/s390x/kvm-stub.c index 5152e2b..c4cd497 100644 --- a/target/s390x/kvm-stub.c +++ b/target/s390x/kvm-stub.c @@ -83,7 +83,15 @@ void kvm_s390_cmma_reset(void) { } -void kvm_s390_reset_vcpu(S390CPU *cpu) +void kvm_s390_reset_vcpu_initial(S390CPU *cpu) +{ +} + +void kvm_s390_reset_vcpu_clear(S390CPU *cpu) +{ +} + +void kvm_s390_reset_vcpu_normal(S390CPU *cpu) { } diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c index 30112e5..1d6fd6a 100644 --- a/target/s390x/kvm.c +++ b/target/s390x/kvm.c @@ -151,6 +151,7 @@ static int cap_s390_irq; static int cap_ri; static int cap_gs; static int cap_hpage_1m; +static int cap_vcpu_resets; static int active_cmma; @@ -342,6 +343,7 @@ int kvm_arch_init(MachineState *ms, KVMState *s) cap_async_pf = kvm_check_extension(s, KVM_CAP_ASYNC_PF); cap_mem_op = kvm_check_extension(s, KVM_CAP_S390_MEM_OP); cap_s390_irq = kvm_check_extension(s, KVM_CAP_S390_INJECT_IRQ); + cap_vcpu_resets = kvm_check_extension(s, KVM_CAP_S390_VCPU_RESETS); if (!kvm_check_extension(s, KVM_CAP_S390_GMAP) || !kvm_check_extension(s, KVM_CAP_S390_COW)) { @@ -406,17 +408,41 @@ int kvm_arch_destroy_vcpu(CPUState *cs) return 0; } -void kvm_s390_reset_vcpu(S390CPU *cpu) +static void kvm_s390_reset_vcpu(S390CPU *cpu, unsigned long type) { CPUState *cs = CPU(cpu); - /* The initial reset call is needed here to reset in-kernel - * vcpu data that we can't access directly from QEMU - * (i.e. with older kernels which don't support sync_regs/ONE_REG). - * Before this ioctl cpu_synchronize_state() is called in common kvm - * code (kvm-all) */ - if (kvm_vcpu_ioctl(cs, KVM_S390_INITIAL_RESET, NULL)) { - error_report("Initial CPU reset failed on CPU %i", cs->cpu_index); + /* + * The reset call is needed here to reset in-kernel vcpu data that + * we can't access directly from QEMU (i.e. with older kernels + * which don't support sync_regs/ONE_REG). Before this ioctl + * cpu_synchronize_state() is called in common kvm code + * (kvm-all). + */ + if (kvm_vcpu_ioctl(cs, type)) { + error_report("CPU reset failed on CPU %i type %lx", + cs->cpu_index, type); + } +} + +void kvm_s390_reset_vcpu_initial(S390CPU *cpu) +{ + kvm_s390_reset_vcpu(cpu, KVM_S390_INITIAL_RESET); +} + +void kvm_s390_reset_vcpu_clear(S390CPU *cpu) +{ + if (cap_vcpu_resets) { + kvm_s390_reset_vcpu(cpu, KVM_S390_CLEAR_RESET); + } else { + kvm_s390_reset_vcpu(cpu, KVM_S390_INITIAL_RESET); + } +} + +void kvm_s390_reset_vcpu_normal(S390CPU *cpu) +{ + if (cap_vcpu_resets) { + kvm_s390_reset_vcpu(cpu, KVM_S390_NORMAL_RESET); } } diff --git a/target/s390x/kvm_s390x.h b/target/s390x/kvm_s390x.h index caf9859..0b21789 100644 --- a/target/s390x/kvm_s390x.h +++ b/target/s390x/kvm_s390x.h @@ -34,7 +34,9 @@ int kvm_s390_assign_subch_ioeventfd(EventNotifier *notifier, uint32_t sch, int vq, bool assign); int kvm_s390_cmma_active(void); void kvm_s390_cmma_reset(void); -void kvm_s390_reset_vcpu(S390CPU *cpu); +void kvm_s390_reset_vcpu_clear(S390CPU *cpu); +void kvm_s390_reset_vcpu_normal(S390CPU *cpu); +void kvm_s390_reset_vcpu_initial(S390CPU *cpu); int kvm_s390_set_mem_limit(uint64_t new_limit, uint64_t *hw_limit); void kvm_s390_set_max_pagesize(uint64_t pagesize, Error **errp); void kvm_s390_crypto_reset(void); diff --git a/target/s390x/translate.c b/target/s390x/translate.c index 0bd2073..4f6f1e3 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -3874,7 +3874,7 @@ static DisasJumpType op_rosbg(DisasContext *s, DisasOps *o) /* Operate. */ switch (s->fields.op2) { - case 0x55: /* AND */ + case 0x54: /* AND */ tcg_gen_ori_i64(o->in2, o->in2, ~mask); tcg_gen_and_i64(o->out, o->out, o->in2); break; |