diff options
| -rw-r--r-- | hw/intc/s390_flic.c | 144 | ||||
| -rw-r--r-- | include/hw/s390x/s390_flic.h | 41 | ||||
| -rw-r--r-- | target/s390x/cpu.c | 8 | ||||
| -rw-r--r-- | target/s390x/cpu.h | 22 | ||||
| -rw-r--r-- | target/s390x/excp_helper.c | 97 | ||||
| -rw-r--r-- | target/s390x/interrupt.c | 52 |
6 files changed, 212 insertions, 152 deletions
diff --git a/hw/intc/s390_flic.c b/hw/intc/s390_flic.c index d6ed1d7380..928bdc3037 100644 --- a/hw/intc/s390_flic.c +++ b/hw/intc/s390_flic.c @@ -128,40 +128,153 @@ static int qemu_s390_inject_airq(S390FLICState *fs, uint8_t type, return 0; } +static void qemu_s390_flic_notify(uint32_t type) +{ + CPUState *cs; + + /* + * We have to make all CPUs see CPU_INTERRUPT_HARD, so they might + * consider it. TODO: don't kick/wakeup all VCPUs but try to be + * smarter (using the interrupt type). + */ + CPU_FOREACH(cs) { + cpu_interrupt(cs, CPU_INTERRUPT_HARD); + } +} + +uint32_t qemu_s390_flic_dequeue_service(QEMUS390FLICState *flic) +{ + uint32_t tmp; + + g_assert(qemu_mutex_iothread_locked()); + g_assert(flic->pending & FLIC_PENDING_SERVICE); + tmp = flic->service_param; + flic->service_param = 0; + flic->pending &= ~FLIC_PENDING_SERVICE; + + return tmp; +} + +/* caller has to free the returned object */ +QEMUS390FlicIO *qemu_s390_flic_dequeue_io(QEMUS390FLICState *flic, uint64_t cr6) +{ + QEMUS390FlicIO *io; + uint8_t isc; + + g_assert(qemu_mutex_iothread_locked()); + if (!(flic->pending & CR6_TO_PENDING_IO(cr6))) { + return NULL; + } + + for (isc = 0; isc < 8; isc++) { + if (QLIST_EMPTY(&flic->io[isc]) || !(cr6 & ISC_TO_ISC_BITS(isc))) { + continue; + } + io = QLIST_FIRST(&flic->io[isc]); + QLIST_REMOVE(io, next); + + /* update our indicator bit */ + if (QLIST_EMPTY(&flic->io[isc])) { + flic->pending &= ~ISC_TO_PENDING_IO(isc); + } + return io; + } + + return NULL; +} + +void qemu_s390_flic_dequeue_crw_mchk(QEMUS390FLICState *flic) +{ + g_assert(qemu_mutex_iothread_locked()); + g_assert(flic->pending & FLIC_PENDING_MCHK_CR); + flic->pending &= ~FLIC_PENDING_MCHK_CR; +} + static void qemu_s390_inject_service(S390FLICState *fs, uint32_t parm) { + QEMUS390FLICState *flic = QEMU_S390_FLIC(fs); - S390CPU *dummy_cpu = s390_cpu_addr2state(0); + g_assert(qemu_mutex_iothread_locked()); + /* multiplexing is good enough for sclp - kvm does it internally as well */ + flic->service_param |= parm; + flic->pending |= FLIC_PENDING_SERVICE; - /* FIXME: don't inject into dummy CPU */ - cpu_inject_service(dummy_cpu, parm); + qemu_s390_flic_notify(FLIC_PENDING_SERVICE); } static void qemu_s390_inject_io(S390FLICState *fs, uint16_t subchannel_id, uint16_t subchannel_nr, uint32_t io_int_parm, uint32_t io_int_word) { - S390CPU *dummy_cpu = s390_cpu_addr2state(0); + const uint8_t isc = IO_INT_WORD_ISC(io_int_word); + QEMUS390FLICState *flic = QEMU_S390_FLIC(fs); + QEMUS390FlicIO *io; - /* FIXME: don't inject into dummy CPU */ - cpu_inject_io(dummy_cpu, subchannel_id, subchannel_nr, io_int_parm, - io_int_word); + g_assert(qemu_mutex_iothread_locked()); + io = g_new0(QEMUS390FlicIO, 1); + io->id = subchannel_id; + io->nr = subchannel_nr; + io->parm = io_int_parm; + io->word = io_int_word; + + QLIST_INSERT_HEAD(&flic->io[isc], io, next); + flic->pending |= ISC_TO_PENDING_IO(isc); + + qemu_s390_flic_notify(ISC_TO_PENDING_IO(isc)); } static void qemu_s390_inject_crw_mchk(S390FLICState *fs) { - S390CPU *dummy_cpu = s390_cpu_addr2state(0); + QEMUS390FLICState *flic = QEMU_S390_FLIC(fs); + + g_assert(qemu_mutex_iothread_locked()); + flic->pending |= FLIC_PENDING_MCHK_CR; + + qemu_s390_flic_notify(FLIC_PENDING_MCHK_CR); +} + +bool qemu_s390_flic_has_service(QEMUS390FLICState *flic) +{ + /* called without lock via cc->has_work, will be validated under lock */ + return !!(flic->pending & FLIC_PENDING_SERVICE); +} + +bool qemu_s390_flic_has_io(QEMUS390FLICState *flic, uint64_t cr6) +{ + /* called without lock via cc->has_work, will be validated under lock */ + return !!(flic->pending & CR6_TO_PENDING_IO(cr6)); +} + +bool qemu_s390_flic_has_crw_mchk(QEMUS390FLICState *flic) +{ + /* called without lock via cc->has_work, will be validated under lock */ + return !!(flic->pending & FLIC_PENDING_MCHK_CR); +} - /* FIXME: don't inject into dummy CPU */ - cpu_inject_crw_mchk(dummy_cpu); +bool qemu_s390_flic_has_any(QEMUS390FLICState *flic) +{ + g_assert(qemu_mutex_iothread_locked()); + return !!flic->pending; } static void qemu_s390_flic_reset(DeviceState *dev) { QEMUS390FLICState *flic = QEMU_S390_FLIC(dev); + QEMUS390FlicIO *cur, *next; + int isc; + g_assert(qemu_mutex_iothread_locked()); flic->simm = 0; flic->nimm = 0; + flic->pending = 0; + + /* remove all pending io interrupts */ + for (isc = 0; isc < 8; isc++) { + QLIST_FOREACH_SAFE(cur, &flic->io[isc], next, next) { + QLIST_REMOVE(cur, next); + g_free(cur); + } + } } bool ais_needed(void *opaque) @@ -183,6 +296,16 @@ static const VMStateDescription qemu_s390_flic_vmstate = { } }; +static void qemu_s390_flic_instance_init(Object *obj) +{ + QEMUS390FLICState *flic = QEMU_S390_FLIC(obj); + int isc; + + for (isc = 0; isc < 8; isc++) { + QLIST_INIT(&flic->io[isc]); + } +} + static void qemu_s390_flic_class_init(ObjectClass *oc, void *data) { DeviceClass *dc = DEVICE_CLASS(oc); @@ -234,6 +357,7 @@ static const TypeInfo qemu_s390_flic_info = { .name = TYPE_QEMU_S390_FLIC, .parent = TYPE_S390_FLIC_COMMON, .instance_size = sizeof(QEMUS390FLICState), + .instance_init = qemu_s390_flic_instance_init, .class_init = qemu_s390_flic_class_init, }; diff --git a/include/hw/s390x/s390_flic.h b/include/hw/s390x/s390_flic.h index d0538134b7..566d153371 100644 --- a/include/hw/s390x/s390_flic.h +++ b/include/hw/s390x/s390_flic.h @@ -16,6 +16,7 @@ #include "hw/sysbus.h" #include "hw/s390x/adapter.h" #include "hw/virtio/virtio.h" +#include "qemu/queue.h" /* * Reserve enough gsis to accommodate all virtio devices. @@ -85,12 +86,52 @@ typedef struct S390FLICStateClass { #define SIC_IRQ_MODE_SINGLE 1 #define AIS_MODE_MASK(isc) (0x80 >> isc) +#define ISC_TO_PENDING_IO(_isc) (0x80 >> (_isc)) +#define CR6_TO_PENDING_IO(_cr6) (((_cr6) >> 24) & 0xff) + +/* organize the ISC bits so that the macros above work */ +#define FLIC_PENDING_IO_ISC7 (1 << 0) +#define FLIC_PENDING_IO_ISC6 (1 << 1) +#define FLIC_PENDING_IO_ISC5 (1 << 2) +#define FLIC_PENDING_IO_ISC4 (1 << 3) +#define FLIC_PENDING_IO_ISC3 (1 << 4) +#define FLIC_PENDING_IO_ISC2 (1 << 5) +#define FLIC_PENDING_IO_ISC1 (1 << 6) +#define FLIC_PENDING_IO_ISC0 (1 << 7) +#define FLIC_PENDING_SERVICE (1 << 8) +#define FLIC_PENDING_MCHK_CR (1 << 9) + +#define FLIC_PENDING_IO (FLIC_PENDING_IO_ISC0 | FLIC_PENDING_IO_ISC1 | \ + FLIC_PENDING_IO_ISC2 | FLIC_PENDING_IO_ISC3 | \ + FLIC_PENDING_IO_ISC4 | FLIC_PENDING_IO_ISC5 | \ + FLIC_PENDING_IO_ISC6 | FLIC_PENDING_IO_ISC7) + +typedef struct QEMUS390FlicIO { + uint16_t id; + uint16_t nr; + uint32_t parm; + uint32_t word; + QLIST_ENTRY(QEMUS390FlicIO) next; +} QEMUS390FlicIO; + typedef struct QEMUS390FLICState { S390FLICState parent_obj; + uint32_t pending; + uint32_t service_param; uint8_t simm; uint8_t nimm; + QLIST_HEAD(, QEMUS390FlicIO) io[8]; } QEMUS390FLICState; +uint32_t qemu_s390_flic_dequeue_service(QEMUS390FLICState *flic); +QEMUS390FlicIO *qemu_s390_flic_dequeue_io(QEMUS390FLICState *flic, + uint64_t cr6); +void qemu_s390_flic_dequeue_crw_mchk(QEMUS390FLICState *flic); +bool qemu_s390_flic_has_service(QEMUS390FLICState *flic); +bool qemu_s390_flic_has_io(QEMUS390FLICState *fs, uint64_t cr6); +bool qemu_s390_flic_has_crw_mchk(QEMUS390FLICState *flic); +bool qemu_s390_flic_has_any(QEMUS390FLICState *flic); + void s390_flic_init(void); S390FLICState *s390_get_flic(void); diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c index 243804fbfc..da7cb9c278 100644 --- a/target/s390x/cpu.c +++ b/target/s390x/cpu.c @@ -100,7 +100,6 @@ static void s390_cpu_initial_reset(CPUState *s) { S390CPU *cpu = S390_CPU(s); CPUS390XState *env = &cpu->env; - int i; s390_cpu_reset(s); /* initial reset does not clear everything! */ @@ -116,9 +115,6 @@ static void s390_cpu_initial_reset(CPUState *s) env->gbea = 1; env->pfault_token = -1UL; - for (i = 0; i < ARRAY_SIZE(env->io_index); i++) { - env->io_index[i] = -1; - } /* tininess for underflow is detected before rounding */ set_float_detect_tininess(float_tininess_before_rounding, @@ -136,7 +132,6 @@ static void s390_cpu_full_reset(CPUState *s) S390CPU *cpu = S390_CPU(s); S390CPUClass *scc = S390_CPU_GET_CLASS(cpu); CPUS390XState *env = &cpu->env; - int i; scc->parent_reset(s); cpu->env.sigp_order = 0; @@ -152,9 +147,6 @@ static void s390_cpu_full_reset(CPUState *s) env->gbea = 1; env->pfault_token = -1UL; - for (i = 0; i < ARRAY_SIZE(env->io_index); i++) { - env->io_index[i] = -1; - } /* tininess for underflow is detected before rounding */ set_float_detect_tininess(float_tininess_before_rounding, diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h index 9d3aa05a47..ba6cf0cda5 100644 --- a/target/s390x/cpu.h +++ b/target/s390x/cpu.h @@ -53,8 +53,6 @@ #define MMU_USER_IDX 0 -#define MAX_IO_QUEUE 16 - #define S390_MAX_CPUS 248 typedef struct PSW { @@ -62,13 +60,6 @@ typedef struct PSW { uint64_t addr; } PSW; -typedef struct IOIntQueue { - uint16_t id; - uint16_t nr; - uint32_t parm; - uint32_t word; -} IOIntQueue; - struct CPUS390XState { uint64_t regs[16]; /* GP registers */ /* @@ -114,13 +105,9 @@ struct CPUS390XState { uint64_t cregs[16]; /* control registers */ - IOIntQueue io_queue[MAX_IO_QUEUE][8]; - int pending_int; - uint32_t service_param; uint16_t external_call_addr; DECLARE_BITMAP(emergency_signals, S390_MAX_CPUS); - int io_index[8]; uint64_t ckc; uint64_t cputm; @@ -399,9 +386,6 @@ static inline void cpu_get_tb_cpu_state(CPUS390XState* env, target_ulong *pc, #define EXCP_IO 7 /* I/O interrupt */ #define EXCP_MCHK 8 /* machine check */ -#define INTERRUPT_IO (1 << 0) -#define INTERRUPT_MCHK (1 << 1) -#define INTERRUPT_EXT_SERVICE (1 << 2) #define INTERRUPT_EXT_CPU_TIMER (1 << 3) #define INTERRUPT_EXT_CLOCK_COMPARATOR (1 << 4) #define INTERRUPT_EXTERNAL_CALL (1 << 5) @@ -741,12 +725,6 @@ void s390_program_interrupt(CPUS390XState *env, uint32_t code, int ilen, uintptr_t ra); /* service interrupts are floating therefore we must not pass an cpustate */ void s390_sclp_extint(uint32_t parm); -/* FIXME: remove once we have proper floating interrupts in TCG */ -void cpu_inject_service(S390CPU *cpu, uint32_t param); -void cpu_inject_crw_mchk(S390CPU *cpu); -void cpu_inject_io(S390CPU *cpu, uint16_t subchannel_id, - uint16_t subchannel_number, uint32_t io_int_parm, - uint32_t io_int_word); /* mmu_helper.c */ int s390_cpu_virt_mem_rw(S390CPU *cpu, vaddr laddr, uint8_t ar, void *hostbuf, diff --git a/target/s390x/excp_helper.c b/target/s390x/excp_helper.c index 23447af942..86ec9e63f0 100644 --- a/target/s390x/excp_helper.c +++ b/target/s390x/excp_helper.c @@ -29,6 +29,7 @@ #include "exec/address-spaces.h" #ifndef CONFIG_USER_ONLY #include "sysemu/sysemu.h" +#include "hw/s390x/s390_flic.h" #endif /* #define DEBUG_S390 */ @@ -237,6 +238,7 @@ static void do_svc_interrupt(CPUS390XState *env) static void do_ext_interrupt(CPUS390XState *env) { + QEMUS390FLICState *flic = QEMU_S390_FLIC(s390_get_flic()); S390CPU *cpu = s390_env_get_cpu(env); uint64_t mask, addr; uint16_t cpu_addr; @@ -273,17 +275,14 @@ static void do_ext_interrupt(CPUS390XState *env) lowcore->ext_int_code = cpu_to_be16(EXT_CPU_TIMER); lowcore->cpu_addr = 0; env->pending_int &= ~INTERRUPT_EXT_CPU_TIMER; - } else if ((env->pending_int & INTERRUPT_EXT_SERVICE) && + } else if (qemu_s390_flic_has_service(flic) && (env->cregs[0] & CR0_SERVICE_SC)) { - /* - * FIXME: floating IRQs should be considered by all CPUs and - * shuld not get cleared by CPU reset. - */ + uint32_t param; + + param = qemu_s390_flic_dequeue_service(flic); lowcore->ext_int_code = cpu_to_be16(EXT_SERVICE); - lowcore->ext_params = cpu_to_be32(env->service_param); + lowcore->ext_params = cpu_to_be32(param); lowcore->cpu_addr = 0; - env->service_param = 0; - env->pending_int &= ~INTERRUPT_EXT_SERVICE; } else { g_assert_not_reached(); } @@ -303,71 +302,37 @@ static void do_ext_interrupt(CPUS390XState *env) static void do_io_interrupt(CPUS390XState *env) { - S390CPU *cpu = s390_env_get_cpu(env); + QEMUS390FLICState *flic = QEMU_S390_FLIC(s390_get_flic()); + uint64_t mask, addr; + QEMUS390FlicIO *io; LowCore *lowcore; - IOIntQueue *q; - uint8_t isc; - int disable = 1; - int found = 0; - - if (!(env->psw.mask & PSW_MASK_IO)) { - cpu_abort(CPU(cpu), "I/O int w/o I/O mask\n"); - } - - for (isc = 0; isc < ARRAY_SIZE(env->io_index); isc++) { - uint64_t isc_bits; - - if (env->io_index[isc] < 0) { - continue; - } - if (env->io_index[isc] >= MAX_IO_QUEUE) { - cpu_abort(CPU(cpu), "I/O queue overrun for isc %d: %d\n", - isc, env->io_index[isc]); - } - - q = &env->io_queue[env->io_index[isc]][isc]; - isc_bits = ISC_TO_ISC_BITS(IO_INT_WORD_ISC(q->word)); - if (!(env->cregs[6] & isc_bits)) { - disable = 0; - continue; - } - if (!found) { - uint64_t mask, addr; - found = 1; - lowcore = cpu_map_lowcore(env); + g_assert(env->psw.mask & PSW_MASK_IO); + io = qemu_s390_flic_dequeue_io(flic, env->cregs[6]); + g_assert(io); - lowcore->subchannel_id = cpu_to_be16(q->id); - lowcore->subchannel_nr = cpu_to_be16(q->nr); - lowcore->io_int_parm = cpu_to_be32(q->parm); - lowcore->io_int_word = cpu_to_be32(q->word); - lowcore->io_old_psw.mask = cpu_to_be64(get_psw_mask(env)); - lowcore->io_old_psw.addr = cpu_to_be64(env->psw.addr); - mask = be64_to_cpu(lowcore->io_new_psw.mask); - addr = be64_to_cpu(lowcore->io_new_psw.addr); - - cpu_unmap_lowcore(lowcore); - - env->io_index[isc]--; + lowcore = cpu_map_lowcore(env); - DPRINTF("%s: %" PRIx64 " %" PRIx64 "\n", __func__, - env->psw.mask, env->psw.addr); - load_psw(env, mask, addr); - } - if (env->io_index[isc] >= 0) { - disable = 0; - } - continue; - } + lowcore->subchannel_id = cpu_to_be16(io->id); + lowcore->subchannel_nr = cpu_to_be16(io->nr); + lowcore->io_int_parm = cpu_to_be32(io->parm); + lowcore->io_int_word = cpu_to_be32(io->word); + lowcore->io_old_psw.mask = cpu_to_be64(get_psw_mask(env)); + lowcore->io_old_psw.addr = cpu_to_be64(env->psw.addr); + mask = be64_to_cpu(lowcore->io_new_psw.mask); + addr = be64_to_cpu(lowcore->io_new_psw.addr); - if (disable) { - env->pending_int &= ~INTERRUPT_IO; - } + cpu_unmap_lowcore(lowcore); + g_free(io); + DPRINTF("%s: %" PRIx64 " %" PRIx64 "\n", __func__, env->psw.mask, + env->psw.addr); + load_psw(env, mask, addr); } static void do_mchk_interrupt(CPUS390XState *env) { + QEMUS390FLICState *flic = QEMU_S390_FLIC(s390_get_flic()); uint64_t mask, addr; LowCore *lowcore; int i; @@ -376,8 +341,7 @@ static void do_mchk_interrupt(CPUS390XState *env) g_assert(env->psw.mask & PSW_MASK_MCHECK); g_assert(env->cregs[14] & CR14_CHANNEL_REPORT_SC); - g_assert(env->pending_int & INTERRUPT_MCHK); - env->pending_int &= ~INTERRUPT_MCHK; + qemu_s390_flic_dequeue_crw_mchk(flic); lowcore = cpu_map_lowcore(env); @@ -412,6 +376,7 @@ static void do_mchk_interrupt(CPUS390XState *env) void s390_cpu_do_interrupt(CPUState *cs) { + QEMUS390FLICState *flic = QEMU_S390_FLIC(s390_get_flic()); S390CPU *cpu = S390_CPU(cs); CPUS390XState *env = &cpu->env; bool stopped = false; @@ -474,7 +439,7 @@ try_deliver: cs->exception_index = -1; /* we might still have pending interrupts, but not deliverable */ - if (!env->pending_int) { + if (!env->pending_int && !qemu_s390_flic_has_any(flic)) { cs->interrupt_request &= ~CPU_INTERRUPT_HARD; } diff --git a/target/s390x/interrupt.c b/target/s390x/interrupt.c index 8229572f7d..61691aa3a4 100644 --- a/target/s390x/interrupt.c +++ b/target/s390x/interrupt.c @@ -58,17 +58,6 @@ void s390_program_interrupt(CPUS390XState *env, uint32_t code, int ilen, } #if !defined(CONFIG_USER_ONLY) -void cpu_inject_service(S390CPU *cpu, uint32_t param) -{ - CPUS390XState *env = &cpu->env; - - /* multiplexing is good enough for sclp - kvm does it internally as well*/ - env->service_param |= param; - - env->pending_int |= INTERRUPT_EXT_SERVICE; - cpu_interrupt(CPU(cpu), CPU_INTERRUPT_HARD); -} - void cpu_inject_clock_comparator(S390CPU *cpu) { CPUS390XState *env = &cpu->env; @@ -137,38 +126,6 @@ void cpu_inject_stop(S390CPU *cpu) cpu_interrupt(CPU(cpu), CPU_INTERRUPT_HARD); } -void cpu_inject_io(S390CPU *cpu, uint16_t subchannel_id, - uint16_t subchannel_number, uint32_t io_int_parm, - uint32_t io_int_word) -{ - CPUS390XState *env = &cpu->env; - int isc = IO_INT_WORD_ISC(io_int_word); - - if (env->io_index[isc] == MAX_IO_QUEUE - 1) { - /* ugh - can't queue anymore. Let's drop. */ - return; - } - - env->io_index[isc]++; - assert(env->io_index[isc] < MAX_IO_QUEUE); - - env->io_queue[env->io_index[isc]][isc].id = subchannel_id; - env->io_queue[env->io_index[isc]][isc].nr = subchannel_number; - env->io_queue[env->io_index[isc]][isc].parm = io_int_parm; - env->io_queue[env->io_index[isc]][isc].word = io_int_word; - - env->pending_int |= INTERRUPT_IO; - cpu_interrupt(CPU(cpu), CPU_INTERRUPT_HARD); -} - -void cpu_inject_crw_mchk(S390CPU *cpu) -{ - CPUS390XState *env = &cpu->env; - - env->pending_int |= INTERRUPT_MCHK; - cpu_interrupt(CPU(cpu), CPU_INTERRUPT_HARD); -} - /* * All of the following interrupts are floating, i.e. not per-vcpu. * We just need a dummy cpustate in order to be able to inject in the @@ -201,6 +158,7 @@ void s390_crw_mchk(void) bool s390_cpu_has_mcck_int(S390CPU *cpu) { + QEMUS390FLICState *flic = QEMU_S390_FLIC(s390_get_flic()); CPUS390XState *env = &cpu->env; if (!(env->psw.mask & PSW_MASK_MCHECK)) { @@ -208,7 +166,7 @@ bool s390_cpu_has_mcck_int(S390CPU *cpu) } /* for now we only support channel report machine checks (floating) */ - if ((env->pending_int & INTERRUPT_MCHK) && + if (qemu_s390_flic_has_crw_mchk(flic) && (env->cregs[14] & CR14_CHANNEL_REPORT_SC)) { return true; } @@ -218,6 +176,7 @@ bool s390_cpu_has_mcck_int(S390CPU *cpu) bool s390_cpu_has_ext_int(S390CPU *cpu) { + QEMUS390FLICState *flic = QEMU_S390_FLIC(s390_get_flic()); CPUS390XState *env = &cpu->env; if (!(env->psw.mask & PSW_MASK_EXT)) { @@ -249,7 +208,7 @@ bool s390_cpu_has_ext_int(S390CPU *cpu) return true; } - if ((env->pending_int & INTERRUPT_EXT_SERVICE) && + if (qemu_s390_flic_has_service(flic) && (env->cregs[0] & CR0_SERVICE_SC)) { return true; } @@ -259,13 +218,14 @@ bool s390_cpu_has_ext_int(S390CPU *cpu) bool s390_cpu_has_io_int(S390CPU *cpu) { + QEMUS390FLICState *flic = QEMU_S390_FLIC(s390_get_flic()); CPUS390XState *env = &cpu->env; if (!(env->psw.mask & PSW_MASK_IO)) { return false; } - return env->pending_int & INTERRUPT_IO; + return qemu_s390_flic_has_io(flic, env->cregs[6]); } bool s390_cpu_has_restart_int(S390CPU *cpu) |