diff options
Diffstat (limited to 'hw/intc')
| -rw-r--r-- | hw/intc/Makefile.objs | 1 | ||||
| -rw-r--r-- | hw/intc/i8259.c | 73 | ||||
| -rw-r--r-- | hw/intc/i8259_common.c | 5 | ||||
| -rw-r--r-- | hw/intc/intc.c | 41 | ||||
| -rw-r--r-- | hw/intc/lm32_pic.c | 63 | ||||
| -rw-r--r-- | hw/intc/slavio_intctl.c | 67 |
6 files changed, 145 insertions, 105 deletions
diff --git a/hw/intc/Makefile.objs b/hw/intc/Makefile.objs index 9cca2800d3..2f44a2da26 100644 --- a/hw/intc/Makefile.objs +++ b/hw/intc/Makefile.objs @@ -18,6 +18,7 @@ common-obj-$(CONFIG_ARM_GIC) += arm_gicv3_dist.o common-obj-$(CONFIG_ARM_GIC) += arm_gicv3_redist.o common-obj-$(CONFIG_ARM_GIC) += arm_gicv3_its_common.o common-obj-$(CONFIG_OPENPIC) += openpic.o +common-obj-y += intc.o obj-$(CONFIG_APIC) += apic.o apic_common.o obj-$(CONFIG_ARM_GIC_KVM) += arm_gic_kvm.o diff --git a/hw/intc/i8259.c b/hw/intc/i8259.c index c2607a5868..fe9ecd6bd4 100644 --- a/hw/intc/i8259.c +++ b/hw/intc/i8259.c @@ -29,6 +29,7 @@ #include "qemu/timer.h" #include "qemu/log.h" #include "hw/isa/i8259_internal.h" +#include "hw/intc/intc.h" /* debug PIC */ //#define DEBUG_PIC @@ -251,6 +252,35 @@ static void pic_reset(DeviceState *dev) pic_init_reset(s); } +static bool pic_get_statistics(InterruptStatsProvider *obj, + uint64_t **irq_counts, unsigned int *nb_irqs) +{ + PICCommonState *s = PIC_COMMON(obj); + + if (s->master) { +#ifdef DEBUG_IRQ_COUNT + *irq_counts = irq_count; + *nb_irqs = ARRAY_SIZE(irq_count); +#else + return false; +#endif + } else { + *irq_counts = NULL; + *nb_irqs = 0; + } + return true; +} + +static void pic_print_info(InterruptStatsProvider *obj, Monitor *mon) +{ + PICCommonState *s = PIC_COMMON(obj); + monitor_printf(mon, "pic%d: irr=%02x imr=%02x isr=%02x hprio=%d " + "irq_base=%02x rr_sel=%d elcr=%02x fnm=%d\n", + s->master ? 0 : 1, s->irr, s->imr, s->isr, s->priority_add, + s->irq_base, s->read_reg_select, s->elcr, + s->special_fully_nested_mode); +} + static void pic_ioport_write(void *opaque, hwaddr addr64, uint64_t val64, unsigned size) { @@ -431,42 +461,6 @@ static void pic_realize(DeviceState *dev, Error **errp) pc->parent_realize(dev, errp); } -void hmp_info_pic(Monitor *mon, const QDict *qdict) -{ - int i; - PICCommonState *s; - - if (!isa_pic) { - return; - } - for (i = 0; i < 2; i++) { - s = i == 0 ? PIC_COMMON(isa_pic) : slave_pic; - monitor_printf(mon, "pic%d: irr=%02x imr=%02x isr=%02x hprio=%d " - "irq_base=%02x rr_sel=%d elcr=%02x fnm=%d\n", - i, s->irr, s->imr, s->isr, s->priority_add, - s->irq_base, s->read_reg_select, s->elcr, - s->special_fully_nested_mode); - } -} - -void hmp_info_irq(Monitor *mon, const QDict *qdict) -{ -#ifndef DEBUG_IRQ_COUNT - monitor_printf(mon, "irq statistic code not compiled.\n"); -#else - int i; - int64_t count; - - monitor_printf(mon, "IRQ statistics:\n"); - for (i = 0; i < 16; i++) { - count = irq_count[i]; - if (count > 0) { - monitor_printf(mon, "%2d: %" PRId64 "\n", i, count); - } - } -#endif -} - qemu_irq *i8259_init(ISABus *bus, qemu_irq parent_irq) { qemu_irq *irq_set; @@ -503,10 +497,13 @@ static void i8259_class_init(ObjectClass *klass, void *data) { PICClass *k = PIC_CLASS(klass); DeviceClass *dc = DEVICE_CLASS(klass); + InterruptStatsProviderClass *ic = INTERRUPT_STATS_PROVIDER_CLASS(klass); k->parent_realize = dc->realize; dc->realize = pic_realize; dc->reset = pic_reset; + ic->get_statistics = pic_get_statistics; + ic->print_info = pic_print_info; } static const TypeInfo i8259_info = { @@ -515,6 +512,10 @@ static const TypeInfo i8259_info = { .parent = TYPE_PIC_COMMON, .class_init = i8259_class_init, .class_size = sizeof(PICClass), + .interfaces = (InterfaceInfo[]) { + { TYPE_INTERRUPT_STATS_PROVIDER }, + { } + }, }; static void pic_register_types(void) diff --git a/hw/intc/i8259_common.c b/hw/intc/i8259_common.c index 3a850b0c66..d9a5e8b217 100644 --- a/hw/intc/i8259_common.c +++ b/hw/intc/i8259_common.c @@ -70,10 +70,11 @@ static int pic_dispatch_post_load(void *opaque, int version_id) static void pic_common_realize(DeviceState *dev, Error **errp) { PICCommonState *s = PIC_COMMON(dev); + ISADevice *isa = ISA_DEVICE(dev); - isa_register_ioport(NULL, &s->base_io, s->iobase); + isa_register_ioport(isa, &s->base_io, s->iobase); if (s->elcr_addr != -1) { - isa_register_ioport(NULL, &s->elcr_io, s->elcr_addr); + isa_register_ioport(isa, &s->elcr_io, s->elcr_addr); } qdev_set_legacy_instance_id(dev, s->iobase, 1); diff --git a/hw/intc/intc.c b/hw/intc/intc.c new file mode 100644 index 0000000000..2e1e29e753 --- /dev/null +++ b/hw/intc/intc.c @@ -0,0 +1,41 @@ +/* + * QEMU Generic Interrupt Controller + * + * Copyright (c) 2016 Hervé Poussineau + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "qemu/osdep.h" +#include "hw/intc/intc.h" +#include "qemu/module.h" + +static const TypeInfo intctrl_info = { + .name = TYPE_INTERRUPT_STATS_PROVIDER, + .parent = TYPE_INTERFACE, + .class_size = sizeof(InterruptStatsProviderClass), +}; + +static void intc_register_types(void) +{ + type_register_static(&intctrl_info); +} + +type_init(intc_register_types) + diff --git a/hw/intc/lm32_pic.c b/hw/intc/lm32_pic.c index 3dad01c5ba..09e15115fb 100644 --- a/hw/intc/lm32_pic.c +++ b/hw/intc/lm32_pic.c @@ -25,6 +25,7 @@ #include "hw/sysbus.h" #include "trace.h" #include "hw/lm32/lm32_pic.h" +#include "hw/intc/intc.h" #define TYPE_LM32_PIC "lm32-pic" #define LM32_PIC(obj) OBJECT_CHECK(LM32PicState, (obj), TYPE_LM32_PIC) @@ -38,39 +39,10 @@ struct LM32PicState { uint32_t irq_state; /* statistics */ - uint32_t stats_irq_count[32]; + uint64_t stats_irq_count[32]; }; typedef struct LM32PicState LM32PicState; -static LM32PicState *pic; -void lm32_hmp_info_pic(Monitor *mon, const QDict *qdict) -{ - if (pic == NULL) { - return; - } - - monitor_printf(mon, "lm32-pic: im=%08x ip=%08x irq_state=%08x\n", - pic->im, pic->ip, pic->irq_state); -} - -void lm32_hmp_info_irq(Monitor *mon, const QDict *qdict) -{ - int i; - uint32_t count; - - if (pic == NULL) { - return; - } - - monitor_printf(mon, "IRQ statistics:\n"); - for (i = 0; i < 32; i++) { - count = pic->stats_irq_count[i]; - if (count > 0) { - monitor_printf(mon, "%2d: %u\n", i, count); - } - } -} - static void update_irq(LM32PicState *s) { s->ip |= s->irq_state; @@ -152,6 +124,22 @@ static void pic_reset(DeviceState *d) } } +static bool lm32_get_statistics(InterruptStatsProvider *obj, + uint64_t **irq_counts, unsigned int *nb_irqs) +{ + LM32PicState *s = LM32_PIC(obj); + *irq_counts = s->stats_irq_count; + *nb_irqs = ARRAY_SIZE(s->stats_irq_count); + return true; +} + +static void lm32_print_info(InterruptStatsProvider *obj, Monitor *mon) +{ + LM32PicState *s = LM32_PIC(obj); + monitor_printf(mon, "lm32-pic: im=%08x ip=%08x irq_state=%08x\n", + s->im, s->ip, s->irq_state); +} + static void lm32_pic_init(Object *obj) { DeviceState *dev = DEVICE(obj); @@ -160,19 +148,17 @@ static void lm32_pic_init(Object *obj) qdev_init_gpio_in(dev, irq_handler, 32); sysbus_init_irq(sbd, &s->parent_irq); - - pic = s; } static const VMStateDescription vmstate_lm32_pic = { .name = "lm32-pic", - .version_id = 1, - .minimum_version_id = 1, + .version_id = 2, + .minimum_version_id = 2, .fields = (VMStateField[]) { VMSTATE_UINT32(im, LM32PicState), VMSTATE_UINT32(ip, LM32PicState), VMSTATE_UINT32(irq_state, LM32PicState), - VMSTATE_UINT32_ARRAY(stats_irq_count, LM32PicState, 32), + VMSTATE_UINT64_ARRAY(stats_irq_count, LM32PicState, 32), VMSTATE_END_OF_LIST() } }; @@ -180,9 +166,12 @@ static const VMStateDescription vmstate_lm32_pic = { static void lm32_pic_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); + InterruptStatsProviderClass *ic = INTERRUPT_STATS_PROVIDER_CLASS(klass); dc->reset = pic_reset; dc->vmsd = &vmstate_lm32_pic; + ic->get_statistics = lm32_get_statistics; + ic->print_info = lm32_print_info; } static const TypeInfo lm32_pic_info = { @@ -191,6 +180,10 @@ static const TypeInfo lm32_pic_info = { .instance_size = sizeof(LM32PicState), .instance_init = lm32_pic_init, .class_init = lm32_pic_class_init, + .interfaces = (InterfaceInfo[]) { + { TYPE_INTERRUPT_STATS_PROVIDER }, + { } + }, }; static void lm32_pic_register_types(void) diff --git a/hw/intc/slavio_intctl.c b/hw/intc/slavio_intctl.c index e82e893628..84e0bee4a9 100644 --- a/hw/intc/slavio_intctl.c +++ b/hw/intc/slavio_intctl.c @@ -26,6 +26,7 @@ #include "hw/sparc/sun4m.h" #include "monitor/monitor.h" #include "hw/sysbus.h" +#include "hw/intc/intc.h" #include "trace.h" //#define DEBUG_IRQ_COUNT @@ -210,38 +211,6 @@ static const MemoryRegionOps slavio_intctlm_mem_ops = { }, }; -void slavio_pic_info(Monitor *mon, DeviceState *dev) -{ - SLAVIO_INTCTLState *s = SLAVIO_INTCTL(dev); - int i; - - for (i = 0; i < MAX_CPUS; i++) { - monitor_printf(mon, "per-cpu %d: pending 0x%08x\n", i, - s->slaves[i].intreg_pending); - } - monitor_printf(mon, "master: pending 0x%08x, disabled 0x%08x\n", - s->intregm_pending, s->intregm_disabled); -} - -void slavio_irq_info(Monitor *mon, DeviceState *dev) -{ -#ifndef DEBUG_IRQ_COUNT - monitor_printf(mon, "irq statistic code not compiled.\n"); -#else - SLAVIO_INTCTLState *s = SLAVIO_INTCTL(dev); - int i; - int64_t count; - - s = SLAVIO_INTCTL(dev); - monitor_printf(mon, "IRQ statistics:\n"); - for (i = 0; i < 32; i++) { - count = s->irq_count[i]; - if (count > 0) - monitor_printf(mon, "%2d: %" PRId64 "\n", i, count); - } -#endif -} - static const uint32_t intbit_to_level[] = { 2, 3, 5, 7, 9, 11, 13, 2, 3, 5, 7, 9, 11, 13, 12, 12, 6, 13, 4, 10, 8, 9, 11, 0, 0, 0, 0, 15, 15, 15, 15, 0, @@ -418,6 +387,31 @@ static void slavio_intctl_reset(DeviceState *d) slavio_check_interrupts(s, 0); } +#ifdef DEBUG_IRQ_COUNT +static bool slavio_intctl_get_statistics(InterruptStatsProvider *obj, + uint64_t **irq_counts, + unsigned int *nb_irqs) +{ + SLAVIO_INTCTLState *s = SLAVIO_INTCTL(obj); + *irq_counts = s->irq_count; + *nb_irqs = ARRAY_SIZE(s->irq_count); + return true; +} +#endif + +static void slavio_intctl_print_info(InterruptStatsProvider *obj, Monitor *mon) +{ + SLAVIO_INTCTLState *s = SLAVIO_INTCTL(obj); + int i; + + for (i = 0; i < MAX_CPUS; i++) { + monitor_printf(mon, "per-cpu %d: pending 0x%08x\n", i, + s->slaves[i].intreg_pending); + } + monitor_printf(mon, "master: pending 0x%08x, disabled 0x%08x\n", + s->intregm_pending, s->intregm_disabled); +} + static void slavio_intctl_init(Object *obj) { DeviceState *dev = DEVICE(obj); @@ -449,9 +443,14 @@ static void slavio_intctl_init(Object *obj) static void slavio_intctl_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); + InterruptStatsProviderClass *ic = INTERRUPT_STATS_PROVIDER_CLASS(klass); dc->reset = slavio_intctl_reset; dc->vmsd = &vmstate_intctl; +#ifdef DEBUG_IRQ_COUNT + ic->get_statistics = slavio_intctl_get_statistics; +#endif + ic->print_info = slavio_intctl_print_info; } static const TypeInfo slavio_intctl_info = { @@ -460,6 +459,10 @@ static const TypeInfo slavio_intctl_info = { .instance_size = sizeof(SLAVIO_INTCTLState), .instance_init = slavio_intctl_init, .class_init = slavio_intctl_class_init, + .interfaces = (InterfaceInfo[]) { + { TYPE_INTERRUPT_STATS_PROVIDER }, + { } + }, }; static void slavio_intctl_register_types(void) |