2 * ARM Generic/Distributed Interrupt Controller
4 * Copyright (c) 2006-2007 CodeSourcery.
5 * Written by Paul Brook
7 * This code is licensed under the GPL.
10 /* This file contains implementation code for the RealView EB interrupt
11 * controller, MPCore distributed interrupt controller and ARMv7-M
12 * Nested Vectored Interrupt Controller.
13 * It is compiled in two ways:
14 * (1) as a standalone file to produce a sysbus device which is a GIC
15 * that can be used on the realview board and as one of the builtin
16 * private peripherals for the ARM MP CPUs (11MPCore, A9, etc)
17 * (2) by being directly #included into armv7m_nvic.c to produce the
21 #include "hw/sysbus.h"
22 #include "gic_internal.h"
28 #define DPRINTF(fmt, ...) \
29 do { fprintf(stderr, "arm_gic: " fmt , ## __VA_ARGS__); } while (0)
31 #define DPRINTF(fmt, ...) do {} while(0)
34 static const uint8_t gic_id[] = {
35 0x90, 0x13, 0x04, 0x00, 0x0d, 0xf0, 0x05, 0xb1
38 #define NUM_CPU(s) ((s)->num_cpu)
40 static inline int gic_get_current_cpu(GICState *s)
43 return current_cpu->cpu_index;
48 /* TODO: Many places that call this routine could be optimized. */
49 /* Update interrupt status after enabled or pending bits have been changed. */
50 void gic_update(GICState *s)
59 for (cpu = 0; cpu < NUM_CPU(s); cpu++) {
61 s->current_pending[cpu] = 1023;
62 if (!s->enabled || !s->cpu_enabled[cpu]) {
63 qemu_irq_lower(s->parent_irq[cpu]);
68 for (irq = 0; irq < s->num_irq; irq++) {
69 if (GIC_TEST_ENABLED(irq, cm) && gic_test_pending(s, irq, cm)) {
70 if (GIC_GET_PRIORITY(irq, cpu) < best_prio) {
71 best_prio = GIC_GET_PRIORITY(irq, cpu);
77 if (best_prio < s->priority_mask[cpu]) {
78 s->current_pending[cpu] = best_irq;
79 if (best_prio < s->running_priority[cpu]) {
80 DPRINTF("Raised pending IRQ %d (cpu %d)\n", best_irq, cpu);
84 qemu_set_irq(s->parent_irq[cpu], level);
88 void gic_set_pending_private(GICState *s, int cpu, int irq)
92 if (gic_test_pending(s, irq, cm)) {
96 DPRINTF("Set %d pending cpu %d\n", irq, cpu);
97 GIC_SET_PENDING(irq, cm);
101 static void gic_set_irq_11mpcore(GICState *s, int irq, int level,
105 GIC_SET_LEVEL(irq, cm);
106 if (GIC_TEST_EDGE_TRIGGER(irq) || GIC_TEST_ENABLED(irq, cm)) {
107 DPRINTF("Set %d pending mask %x\n", irq, target);
108 GIC_SET_PENDING(irq, target);
111 GIC_CLEAR_LEVEL(irq, cm);
115 static void gic_set_irq_generic(GICState *s, int irq, int level,
119 GIC_SET_LEVEL(irq, cm);
120 DPRINTF("Set %d pending mask %x\n", irq, target);
121 if (GIC_TEST_EDGE_TRIGGER(irq)) {
122 GIC_SET_PENDING(irq, target);
125 GIC_CLEAR_LEVEL(irq, cm);
129 /* Process a change in an external IRQ input. */
130 static void gic_set_irq(void *opaque, int irq, int level)
132 /* Meaning of the 'irq' parameter:
133 * [0..N-1] : external interrupts
134 * [N..N+31] : PPI (internal) interrupts for CPU 0
135 * [N+32..N+63] : PPI (internal interrupts for CPU 1
138 GICState *s = (GICState *)opaque;
140 if (irq < (s->num_irq - GIC_INTERNAL)) {
141 /* The first external input line is internal interrupt 32. */
144 target = GIC_TARGET(irq);
147 irq -= (s->num_irq - GIC_INTERNAL);
148 cpu = irq / GIC_INTERNAL;
154 assert(irq >= GIC_NR_SGIS);
156 if (level == GIC_TEST_LEVEL(irq, cm)) {
160 if (s->revision == REV_11MPCORE || s->revision == REV_NVIC) {
161 gic_set_irq_11mpcore(s, irq, level, cm, target);
163 gic_set_irq_generic(s, irq, level, cm, target);
169 static void gic_set_running_irq(GICState *s, int cpu, int irq)
171 s->running_irq[cpu] = irq;
173 s->running_priority[cpu] = 0x100;
175 s->running_priority[cpu] = GIC_GET_PRIORITY(irq, cpu);
180 uint32_t gic_acknowledge_irq(GICState *s, int cpu)
184 irq = s->current_pending[cpu];
186 || GIC_GET_PRIORITY(irq, cpu) >= s->running_priority[cpu]) {
187 DPRINTF("ACK no pending IRQ\n");
190 s->last_active[irq][cpu] = s->running_irq[cpu];
192 if (s->revision == REV_11MPCORE || s->revision == REV_NVIC) {
193 /* Clear pending flags for both level and edge triggered interrupts.
194 * Level triggered IRQs will be reasserted once they become inactive.
196 GIC_CLEAR_PENDING(irq, GIC_TEST_MODEL(irq) ? ALL_CPU_MASK : cm);
199 if (irq < GIC_NR_SGIS) {
200 /* Lookup the source CPU for the SGI and clear this in the
201 * sgi_pending map. Return the src and clear the overall pending
202 * state on this CPU if the SGI is not pending from any CPUs.
204 assert(s->sgi_pending[irq][cpu] != 0);
205 src = ctz32(s->sgi_pending[irq][cpu]);
206 s->sgi_pending[irq][cpu] &= ~(1 << src);
207 if (s->sgi_pending[irq][cpu] == 0) {
208 GIC_CLEAR_PENDING(irq, GIC_TEST_MODEL(irq) ? ALL_CPU_MASK : cm);
210 ret = irq | ((src & 0x7) << 10);
212 /* Clear pending state for both level and edge triggered
213 * interrupts. (level triggered interrupts with an active line
214 * remain pending, see gic_test_pending)
216 GIC_CLEAR_PENDING(irq, GIC_TEST_MODEL(irq) ? ALL_CPU_MASK : cm);
221 gic_set_running_irq(s, cpu, irq);
222 DPRINTF("ACK %d\n", irq);
226 void gic_set_priority(GICState *s, int cpu, int irq, uint8_t val)
228 if (irq < GIC_INTERNAL) {
229 s->priority1[irq][cpu] = val;
231 s->priority2[(irq) - GIC_INTERNAL] = val;
235 void gic_complete_irq(GICState *s, int cpu, int irq)
239 DPRINTF("EOI %d\n", irq);
240 if (irq >= s->num_irq) {
241 /* This handles two cases:
242 * 1. If software writes the ID of a spurious interrupt [ie 1023]
243 * to the GICC_EOIR, the GIC ignores that write.
244 * 2. If software writes the number of a non-existent interrupt
245 * this must be a subcase of "value written does not match the last
246 * valid interrupt value read from the Interrupt Acknowledge
247 * register" and so this is UNPREDICTABLE. We choose to ignore it.
251 if (s->running_irq[cpu] == 1023)
252 return; /* No active IRQ. */
254 if (s->revision == REV_11MPCORE || s->revision == REV_NVIC) {
255 /* Mark level triggered interrupts as pending if they are still
257 if (!GIC_TEST_EDGE_TRIGGER(irq) && GIC_TEST_ENABLED(irq, cm)
258 && GIC_TEST_LEVEL(irq, cm) && (GIC_TARGET(irq) & cm) != 0) {
259 DPRINTF("Set %d pending mask %x\n", irq, cm);
260 GIC_SET_PENDING(irq, cm);
265 if (irq != s->running_irq[cpu]) {
266 /* Complete an IRQ that is not currently running. */
267 int tmp = s->running_irq[cpu];
268 while (s->last_active[tmp][cpu] != 1023) {
269 if (s->last_active[tmp][cpu] == irq) {
270 s->last_active[tmp][cpu] = s->last_active[irq][cpu];
273 tmp = s->last_active[tmp][cpu];
279 /* Complete the current running IRQ. */
280 gic_set_running_irq(s, cpu, s->last_active[s->running_irq[cpu]][cpu]);
284 static uint32_t gic_dist_readb(void *opaque, hwaddr offset)
286 GICState *s = (GICState *)opaque;
294 cpu = gic_get_current_cpu(s);
296 if (offset < 0x100) {
300 return ((s->num_irq / 32) - 1) | ((NUM_CPU(s) - 1) << 5);
303 if (offset >= 0x80) {
304 /* Interrupt Security , RAZ/WI */
308 } else if (offset < 0x200) {
309 /* Interrupt Set/Clear Enable. */
311 irq = (offset - 0x100) * 8;
313 irq = (offset - 0x180) * 8;
315 if (irq >= s->num_irq)
318 for (i = 0; i < 8; i++) {
319 if (GIC_TEST_ENABLED(irq + i, cm)) {
323 } else if (offset < 0x300) {
324 /* Interrupt Set/Clear Pending. */
326 irq = (offset - 0x200) * 8;
328 irq = (offset - 0x280) * 8;
330 if (irq >= s->num_irq)
333 mask = (irq < GIC_INTERNAL) ? cm : ALL_CPU_MASK;
334 for (i = 0; i < 8; i++) {
335 if (gic_test_pending(s, irq + i, mask)) {
339 } else if (offset < 0x400) {
340 /* Interrupt Active. */
341 irq = (offset - 0x300) * 8 + GIC_BASE_IRQ;
342 if (irq >= s->num_irq)
345 mask = (irq < GIC_INTERNAL) ? cm : ALL_CPU_MASK;
346 for (i = 0; i < 8; i++) {
347 if (GIC_TEST_ACTIVE(irq + i, mask)) {
351 } else if (offset < 0x800) {
352 /* Interrupt Priority. */
353 irq = (offset - 0x400) + GIC_BASE_IRQ;
354 if (irq >= s->num_irq)
356 res = GIC_GET_PRIORITY(irq, cpu);
357 } else if (offset < 0xc00) {
358 /* Interrupt CPU Target. */
359 if (s->num_cpu == 1 && s->revision != REV_11MPCORE) {
360 /* For uniprocessor GICs these RAZ/WI */
363 irq = (offset - 0x800) + GIC_BASE_IRQ;
364 if (irq >= s->num_irq) {
367 if (irq >= 29 && irq <= 31) {
370 res = GIC_TARGET(irq);
373 } else if (offset < 0xf00) {
374 /* Interrupt Configuration. */
375 irq = (offset - 0xc00) * 2 + GIC_BASE_IRQ;
376 if (irq >= s->num_irq)
379 for (i = 0; i < 4; i++) {
380 if (GIC_TEST_MODEL(irq + i))
381 res |= (1 << (i * 2));
382 if (GIC_TEST_EDGE_TRIGGER(irq + i))
383 res |= (2 << (i * 2));
385 } else if (offset < 0xf10) {
387 } else if (offset < 0xf30) {
388 if (s->revision == REV_11MPCORE || s->revision == REV_NVIC) {
392 if (offset < 0xf20) {
393 /* GICD_CPENDSGIRn */
394 irq = (offset - 0xf10);
396 irq = (offset - 0xf20);
397 /* GICD_SPENDSGIRn */
400 res = s->sgi_pending[irq][cpu];
401 } else if (offset < 0xfe0) {
403 } else /* offset >= 0xfe0 */ {
407 res = gic_id[(offset - 0xfe0) >> 2];
412 qemu_log_mask(LOG_GUEST_ERROR,
413 "gic_dist_readb: Bad offset %x\n", (int)offset);
417 static uint32_t gic_dist_readw(void *opaque, hwaddr offset)
420 val = gic_dist_readb(opaque, offset);
421 val |= gic_dist_readb(opaque, offset + 1) << 8;
425 static uint32_t gic_dist_readl(void *opaque, hwaddr offset)
428 val = gic_dist_readw(opaque, offset);
429 val |= gic_dist_readw(opaque, offset + 2) << 16;
433 static void gic_dist_writeb(void *opaque, hwaddr offset,
436 GICState *s = (GICState *)opaque;
441 cpu = gic_get_current_cpu(s);
442 if (offset < 0x100) {
444 s->enabled = (value & 1);
445 DPRINTF("Distribution %sabled\n", s->enabled ? "En" : "Dis");
446 } else if (offset < 4) {
448 } else if (offset >= 0x80) {
449 /* Interrupt Security Registers, RAZ/WI */
453 } else if (offset < 0x180) {
454 /* Interrupt Set Enable. */
455 irq = (offset - 0x100) * 8 + GIC_BASE_IRQ;
456 if (irq >= s->num_irq)
458 if (irq < GIC_NR_SGIS) {
462 for (i = 0; i < 8; i++) {
463 if (value & (1 << i)) {
465 (irq < GIC_INTERNAL) ? (1 << cpu) : GIC_TARGET(irq + i);
466 int cm = (irq < GIC_INTERNAL) ? (1 << cpu) : ALL_CPU_MASK;
468 if (!GIC_TEST_ENABLED(irq + i, cm)) {
469 DPRINTF("Enabled IRQ %d\n", irq + i);
471 GIC_SET_ENABLED(irq + i, cm);
472 /* If a raised level triggered IRQ enabled then mark
474 if (GIC_TEST_LEVEL(irq + i, mask)
475 && !GIC_TEST_EDGE_TRIGGER(irq + i)) {
476 DPRINTF("Set %d pending mask %x\n", irq + i, mask);
477 GIC_SET_PENDING(irq + i, mask);
481 } else if (offset < 0x200) {
482 /* Interrupt Clear Enable. */
483 irq = (offset - 0x180) * 8 + GIC_BASE_IRQ;
484 if (irq >= s->num_irq)
486 if (irq < GIC_NR_SGIS) {
490 for (i = 0; i < 8; i++) {
491 if (value & (1 << i)) {
492 int cm = (irq < GIC_INTERNAL) ? (1 << cpu) : ALL_CPU_MASK;
494 if (GIC_TEST_ENABLED(irq + i, cm)) {
495 DPRINTF("Disabled IRQ %d\n", irq + i);
497 GIC_CLEAR_ENABLED(irq + i, cm);
500 } else if (offset < 0x280) {
501 /* Interrupt Set Pending. */
502 irq = (offset - 0x200) * 8 + GIC_BASE_IRQ;
503 if (irq >= s->num_irq)
505 if (irq < GIC_NR_SGIS) {
509 for (i = 0; i < 8; i++) {
510 if (value & (1 << i)) {
511 GIC_SET_PENDING(irq + i, GIC_TARGET(irq + i));
514 } else if (offset < 0x300) {
515 /* Interrupt Clear Pending. */
516 irq = (offset - 0x280) * 8 + GIC_BASE_IRQ;
517 if (irq >= s->num_irq)
519 if (irq < GIC_NR_SGIS) {
523 for (i = 0; i < 8; i++) {
524 /* ??? This currently clears the pending bit for all CPUs, even
525 for per-CPU interrupts. It's unclear whether this is the
527 if (value & (1 << i)) {
528 GIC_CLEAR_PENDING(irq + i, ALL_CPU_MASK);
531 } else if (offset < 0x400) {
532 /* Interrupt Active. */
534 } else if (offset < 0x800) {
535 /* Interrupt Priority. */
536 irq = (offset - 0x400) + GIC_BASE_IRQ;
537 if (irq >= s->num_irq)
539 gic_set_priority(s, cpu, irq, value);
540 } else if (offset < 0xc00) {
541 /* Interrupt CPU Target. RAZ/WI on uniprocessor GICs, with the
542 * annoying exception of the 11MPCore's GIC.
544 if (s->num_cpu != 1 || s->revision == REV_11MPCORE) {
545 irq = (offset - 0x800) + GIC_BASE_IRQ;
546 if (irq >= s->num_irq) {
551 } else if (irq < GIC_INTERNAL) {
552 value = ALL_CPU_MASK;
554 s->irq_target[irq] = value & ALL_CPU_MASK;
556 } else if (offset < 0xf00) {
557 /* Interrupt Configuration. */
558 irq = (offset - 0xc00) * 4 + GIC_BASE_IRQ;
559 if (irq >= s->num_irq)
561 if (irq < GIC_INTERNAL)
563 for (i = 0; i < 4; i++) {
564 if (value & (1 << (i * 2))) {
565 GIC_SET_MODEL(irq + i);
567 GIC_CLEAR_MODEL(irq + i);
569 if (value & (2 << (i * 2))) {
570 GIC_SET_EDGE_TRIGGER(irq + i);
572 GIC_CLEAR_EDGE_TRIGGER(irq + i);
575 } else if (offset < 0xf10) {
576 /* 0xf00 is only handled for 32-bit writes. */
578 } else if (offset < 0xf20) {
579 /* GICD_CPENDSGIRn */
580 if (s->revision == REV_11MPCORE || s->revision == REV_NVIC) {
583 irq = (offset - 0xf10);
585 s->sgi_pending[irq][cpu] &= ~value;
586 if (s->sgi_pending[irq][cpu] == 0) {
587 GIC_CLEAR_PENDING(irq, 1 << cpu);
589 } else if (offset < 0xf30) {
590 /* GICD_SPENDSGIRn */
591 if (s->revision == REV_11MPCORE || s->revision == REV_NVIC) {
594 irq = (offset - 0xf20);
596 GIC_SET_PENDING(irq, 1 << cpu);
597 s->sgi_pending[irq][cpu] |= value;
604 qemu_log_mask(LOG_GUEST_ERROR,
605 "gic_dist_writeb: Bad offset %x\n", (int)offset);
608 static void gic_dist_writew(void *opaque, hwaddr offset,
611 gic_dist_writeb(opaque, offset, value & 0xff);
612 gic_dist_writeb(opaque, offset + 1, value >> 8);
615 static void gic_dist_writel(void *opaque, hwaddr offset,
618 GICState *s = (GICState *)opaque;
619 if (offset == 0xf00) {
625 cpu = gic_get_current_cpu(s);
627 switch ((value >> 24) & 3) {
629 mask = (value >> 16) & ALL_CPU_MASK;
632 mask = ALL_CPU_MASK ^ (1 << cpu);
638 DPRINTF("Bad Soft Int target filter\n");
642 GIC_SET_PENDING(irq, mask);
643 target_cpu = ctz32(mask);
644 while (target_cpu < GIC_NCPU) {
645 s->sgi_pending[irq][target_cpu] |= (1 << cpu);
646 mask &= ~(1 << target_cpu);
647 target_cpu = ctz32(mask);
652 gic_dist_writew(opaque, offset, value & 0xffff);
653 gic_dist_writew(opaque, offset + 2, value >> 16);
656 static const MemoryRegionOps gic_dist_ops = {
658 .read = { gic_dist_readb, gic_dist_readw, gic_dist_readl, },
659 .write = { gic_dist_writeb, gic_dist_writew, gic_dist_writel, },
661 .endianness = DEVICE_NATIVE_ENDIAN,
664 static uint32_t gic_cpu_read(GICState *s, int cpu, int offset)
667 case 0x00: /* Control */
668 return s->cpu_enabled[cpu];
669 case 0x04: /* Priority mask */
670 return s->priority_mask[cpu];
671 case 0x08: /* Binary Point */
673 case 0x0c: /* Acknowledge */
674 return gic_acknowledge_irq(s, cpu);
675 case 0x14: /* Running Priority */
676 return s->running_priority[cpu];
677 case 0x18: /* Highest Pending Interrupt */
678 return s->current_pending[cpu];
679 case 0x1c: /* Aliased Binary Point */
681 case 0xd0: case 0xd4: case 0xd8: case 0xdc:
682 return s->apr[(offset - 0xd0) / 4][cpu];
684 qemu_log_mask(LOG_GUEST_ERROR,
685 "gic_cpu_read: Bad offset %x\n", (int)offset);
690 static void gic_cpu_write(GICState *s, int cpu, int offset, uint32_t value)
693 case 0x00: /* Control */
694 s->cpu_enabled[cpu] = (value & 1);
695 DPRINTF("CPU %d %sabled\n", cpu, s->cpu_enabled[cpu] ? "En" : "Dis");
697 case 0x04: /* Priority mask */
698 s->priority_mask[cpu] = (value & 0xff);
700 case 0x08: /* Binary Point */
701 s->bpr[cpu] = (value & 0x7);
703 case 0x10: /* End Of Interrupt */
704 return gic_complete_irq(s, cpu, value & 0x3ff);
705 case 0x1c: /* Aliased Binary Point */
706 if (s->revision >= 2) {
707 s->abpr[cpu] = (value & 0x7);
710 case 0xd0: case 0xd4: case 0xd8: case 0xdc:
711 qemu_log_mask(LOG_UNIMP, "Writing APR not implemented\n");
714 qemu_log_mask(LOG_GUEST_ERROR,
715 "gic_cpu_write: Bad offset %x\n", (int)offset);
721 /* Wrappers to read/write the GIC CPU interface for the current CPU */
722 static uint64_t gic_thiscpu_read(void *opaque, hwaddr addr,
725 GICState *s = (GICState *)opaque;
726 return gic_cpu_read(s, gic_get_current_cpu(s), addr);
729 static void gic_thiscpu_write(void *opaque, hwaddr addr,
730 uint64_t value, unsigned size)
732 GICState *s = (GICState *)opaque;
733 gic_cpu_write(s, gic_get_current_cpu(s), addr, value);
736 /* Wrappers to read/write the GIC CPU interface for a specific CPU.
737 * These just decode the opaque pointer into GICState* + cpu id.
739 static uint64_t gic_do_cpu_read(void *opaque, hwaddr addr,
742 GICState **backref = (GICState **)opaque;
743 GICState *s = *backref;
744 int id = (backref - s->backref);
745 return gic_cpu_read(s, id, addr);
748 static void gic_do_cpu_write(void *opaque, hwaddr addr,
749 uint64_t value, unsigned size)
751 GICState **backref = (GICState **)opaque;
752 GICState *s = *backref;
753 int id = (backref - s->backref);
754 gic_cpu_write(s, id, addr, value);
757 static const MemoryRegionOps gic_thiscpu_ops = {
758 .read = gic_thiscpu_read,
759 .write = gic_thiscpu_write,
760 .endianness = DEVICE_NATIVE_ENDIAN,
763 static const MemoryRegionOps gic_cpu_ops = {
764 .read = gic_do_cpu_read,
765 .write = gic_do_cpu_write,
766 .endianness = DEVICE_NATIVE_ENDIAN,
769 void gic_init_irqs_and_distributor(GICState *s, int num_irq)
771 SysBusDevice *sbd = SYS_BUS_DEVICE(s);
774 i = s->num_irq - GIC_INTERNAL;
775 /* For the GIC, also expose incoming GPIO lines for PPIs for each CPU.
776 * GPIO array layout is thus:
778 * [N..N+31] PPIs for CPU 0
779 * [N+32..N+63] PPIs for CPU 1
782 if (s->revision != REV_NVIC) {
783 i += (GIC_INTERNAL * s->num_cpu);
785 qdev_init_gpio_in(DEVICE(s), gic_set_irq, i);
786 for (i = 0; i < NUM_CPU(s); i++) {
787 sysbus_init_irq(sbd, &s->parent_irq[i]);
789 memory_region_init_io(&s->iomem, OBJECT(s), &gic_dist_ops, s,
793 static void arm_gic_realize(DeviceState *dev, Error **errp)
795 /* Device instance realize function for the GIC sysbus device */
797 GICState *s = ARM_GIC(dev);
798 SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
799 ARMGICClass *agc = ARM_GIC_GET_CLASS(s);
800 Error *local_err = NULL;
802 agc->parent_realize(dev, &local_err);
804 error_propagate(errp, local_err);
808 gic_init_irqs_and_distributor(s, s->num_irq);
810 /* Memory regions for the CPU interfaces (NVIC doesn't have these):
811 * a region for "CPU interface for this core", then a region for
812 * "CPU interface for core 0", "for core 1", ...
813 * NB that the memory region size of 0x100 applies for the 11MPCore
814 * and also cores following the GIC v1 spec (ie A9).
815 * GIC v2 defines a larger memory region (0x1000) so this will need
816 * to be extended when we implement A15.
818 memory_region_init_io(&s->cpuiomem[0], OBJECT(s), &gic_thiscpu_ops, s,
820 for (i = 0; i < NUM_CPU(s); i++) {
822 memory_region_init_io(&s->cpuiomem[i+1], OBJECT(s), &gic_cpu_ops,
823 &s->backref[i], "gic_cpu", 0x100);
826 sysbus_init_mmio(sbd, &s->iomem);
827 /* cpu interfaces (one for "current cpu" plus one per cpu) */
828 for (i = 0; i <= NUM_CPU(s); i++) {
829 sysbus_init_mmio(sbd, &s->cpuiomem[i]);
833 static void arm_gic_class_init(ObjectClass *klass, void *data)
835 DeviceClass *dc = DEVICE_CLASS(klass);
836 ARMGICClass *agc = ARM_GIC_CLASS(klass);
838 agc->parent_realize = dc->realize;
839 dc->realize = arm_gic_realize;
842 static const TypeInfo arm_gic_info = {
843 .name = TYPE_ARM_GIC,
844 .parent = TYPE_ARM_GIC_COMMON,
845 .instance_size = sizeof(GICState),
846 .class_init = arm_gic_class_init,
847 .class_size = sizeof(ARMGICClass),
850 static void arm_gic_register_types(void)
852 type_register_static(&arm_gic_info);
855 type_init(arm_gic_register_types)