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authorPaolo Bonzini <pbonzini@redhat.com>2013-02-05 16:12:12 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2013-04-08 18:13:16 +0200
commit7702e47c21e9e7c9962a25de03caa999ea4cd2ea (patch)
tree743d21340fcd4e45df99c61c875bfbf9a3eb56cb /hw/arm_gic.c
parentd2c0bd845847820e4abd99638aa2e9b90611a5bf (diff)
hw: move interrupt controllers to hw/intc/, configure with default-configs/
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/arm_gic.c')
-rw-r--r--hw/arm_gic.c723
1 files changed, 0 insertions, 723 deletions
diff --git a/hw/arm_gic.c b/hw/arm_gic.c
deleted file mode 100644
index bcb072bbcf..0000000000
--- a/hw/arm_gic.c
+++ /dev/null
@@ -1,723 +0,0 @@
-/*
- * ARM Generic/Distributed Interrupt Controller
- *
- * Copyright (c) 2006-2007 CodeSourcery.
- * Written by Paul Brook
- *
- * This code is licensed under the GPL.
- */
-
-/* This file contains implementation code for the RealView EB interrupt
- * controller, MPCore distributed interrupt controller and ARMv7-M
- * Nested Vectored Interrupt Controller.
- * It is compiled in two ways:
- * (1) as a standalone file to produce a sysbus device which is a GIC
- * that can be used on the realview board and as one of the builtin
- * private peripherals for the ARM MP CPUs (11MPCore, A9, etc)
- * (2) by being directly #included into armv7m_nvic.c to produce the
- * armv7m_nvic device.
- */
-
-#include "hw/sysbus.h"
-#include "hw/arm_gic_internal.h"
-
-//#define DEBUG_GIC
-
-#ifdef DEBUG_GIC
-#define DPRINTF(fmt, ...) \
-do { fprintf(stderr, "arm_gic: " fmt , ## __VA_ARGS__); } while (0)
-#else
-#define DPRINTF(fmt, ...) do {} while(0)
-#endif
-
-static const uint8_t gic_id[] = {
- 0x90, 0x13, 0x04, 0x00, 0x0d, 0xf0, 0x05, 0xb1
-};
-
-#define NUM_CPU(s) ((s)->num_cpu)
-
-static inline int gic_get_current_cpu(GICState *s)
-{
- if (s->num_cpu > 1) {
- CPUState *cpu = ENV_GET_CPU(cpu_single_env);
- return cpu->cpu_index;
- }
- return 0;
-}
-
-/* TODO: Many places that call this routine could be optimized. */
-/* Update interrupt status after enabled or pending bits have been changed. */
-void gic_update(GICState *s)
-{
- int best_irq;
- int best_prio;
- int irq;
- int level;
- int cpu;
- int cm;
-
- for (cpu = 0; cpu < NUM_CPU(s); cpu++) {
- cm = 1 << cpu;
- s->current_pending[cpu] = 1023;
- if (!s->enabled || !s->cpu_enabled[cpu]) {
- qemu_irq_lower(s->parent_irq[cpu]);
- return;
- }
- best_prio = 0x100;
- best_irq = 1023;
- for (irq = 0; irq < s->num_irq; irq++) {
- if (GIC_TEST_ENABLED(irq, cm) && GIC_TEST_PENDING(irq, cm)) {
- if (GIC_GET_PRIORITY(irq, cpu) < best_prio) {
- best_prio = GIC_GET_PRIORITY(irq, cpu);
- best_irq = irq;
- }
- }
- }
- level = 0;
- if (best_prio < s->priority_mask[cpu]) {
- s->current_pending[cpu] = best_irq;
- if (best_prio < s->running_priority[cpu]) {
- DPRINTF("Raised pending IRQ %d (cpu %d)\n", best_irq, cpu);
- level = 1;
- }
- }
- qemu_set_irq(s->parent_irq[cpu], level);
- }
-}
-
-void gic_set_pending_private(GICState *s, int cpu, int irq)
-{
- int cm = 1 << cpu;
-
- if (GIC_TEST_PENDING(irq, cm))
- return;
-
- DPRINTF("Set %d pending cpu %d\n", irq, cpu);
- GIC_SET_PENDING(irq, cm);
- gic_update(s);
-}
-
-/* Process a change in an external IRQ input. */
-static void gic_set_irq(void *opaque, int irq, int level)
-{
- /* Meaning of the 'irq' parameter:
- * [0..N-1] : external interrupts
- * [N..N+31] : PPI (internal) interrupts for CPU 0
- * [N+32..N+63] : PPI (internal interrupts for CPU 1
- * ...
- */
- GICState *s = (GICState *)opaque;
- int cm, target;
- if (irq < (s->num_irq - GIC_INTERNAL)) {
- /* The first external input line is internal interrupt 32. */
- cm = ALL_CPU_MASK;
- irq += GIC_INTERNAL;
- target = GIC_TARGET(irq);
- } else {
- int cpu;
- irq -= (s->num_irq - GIC_INTERNAL);
- cpu = irq / GIC_INTERNAL;
- irq %= GIC_INTERNAL;
- cm = 1 << cpu;
- target = cm;
- }
-
- if (level == GIC_TEST_LEVEL(irq, cm)) {
- return;
- }
-
- if (level) {
- GIC_SET_LEVEL(irq, cm);
- if (GIC_TEST_TRIGGER(irq) || GIC_TEST_ENABLED(irq, cm)) {
- DPRINTF("Set %d pending mask %x\n", irq, target);
- GIC_SET_PENDING(irq, target);
- }
- } else {
- GIC_CLEAR_LEVEL(irq, cm);
- }
- gic_update(s);
-}
-
-static void gic_set_running_irq(GICState *s, int cpu, int irq)
-{
- s->running_irq[cpu] = irq;
- if (irq == 1023) {
- s->running_priority[cpu] = 0x100;
- } else {
- s->running_priority[cpu] = GIC_GET_PRIORITY(irq, cpu);
- }
- gic_update(s);
-}
-
-uint32_t gic_acknowledge_irq(GICState *s, int cpu)
-{
- int new_irq;
- int cm = 1 << cpu;
- new_irq = s->current_pending[cpu];
- if (new_irq == 1023
- || GIC_GET_PRIORITY(new_irq, cpu) >= s->running_priority[cpu]) {
- DPRINTF("ACK no pending IRQ\n");
- return 1023;
- }
- s->last_active[new_irq][cpu] = s->running_irq[cpu];
- /* Clear pending flags for both level and edge triggered interrupts.
- Level triggered IRQs will be reasserted once they become inactive. */
- GIC_CLEAR_PENDING(new_irq, GIC_TEST_MODEL(new_irq) ? ALL_CPU_MASK : cm);
- gic_set_running_irq(s, cpu, new_irq);
- DPRINTF("ACK %d\n", new_irq);
- return new_irq;
-}
-
-void gic_complete_irq(GICState *s, int cpu, int irq)
-{
- int update = 0;
- int cm = 1 << cpu;
- DPRINTF("EOI %d\n", irq);
- if (irq >= s->num_irq) {
- /* This handles two cases:
- * 1. If software writes the ID of a spurious interrupt [ie 1023]
- * to the GICC_EOIR, the GIC ignores that write.
- * 2. If software writes the number of a non-existent interrupt
- * this must be a subcase of "value written does not match the last
- * valid interrupt value read from the Interrupt Acknowledge
- * register" and so this is UNPREDICTABLE. We choose to ignore it.
- */
- return;
- }
- if (s->running_irq[cpu] == 1023)
- return; /* No active IRQ. */
- /* Mark level triggered interrupts as pending if they are still
- raised. */
- if (!GIC_TEST_TRIGGER(irq) && GIC_TEST_ENABLED(irq, cm)
- && GIC_TEST_LEVEL(irq, cm) && (GIC_TARGET(irq) & cm) != 0) {
- DPRINTF("Set %d pending mask %x\n", irq, cm);
- GIC_SET_PENDING(irq, cm);
- update = 1;
- }
- if (irq != s->running_irq[cpu]) {
- /* Complete an IRQ that is not currently running. */
- int tmp = s->running_irq[cpu];
- while (s->last_active[tmp][cpu] != 1023) {
- if (s->last_active[tmp][cpu] == irq) {
- s->last_active[tmp][cpu] = s->last_active[irq][cpu];
- break;
- }
- tmp = s->last_active[tmp][cpu];
- }
- if (update) {
- gic_update(s);
- }
- } else {
- /* Complete the current running IRQ. */
- gic_set_running_irq(s, cpu, s->last_active[s->running_irq[cpu]][cpu]);
- }
-}
-
-static uint32_t gic_dist_readb(void *opaque, hwaddr offset)
-{
- GICState *s = (GICState *)opaque;
- uint32_t res;
- int irq;
- int i;
- int cpu;
- int cm;
- int mask;
-
- cpu = gic_get_current_cpu(s);
- cm = 1 << cpu;
- if (offset < 0x100) {
- if (offset == 0)
- return s->enabled;
- if (offset == 4)
- return ((s->num_irq / 32) - 1) | ((NUM_CPU(s) - 1) << 5);
- if (offset < 0x08)
- return 0;
- if (offset >= 0x80) {
- /* Interrupt Security , RAZ/WI */
- return 0;
- }
- goto bad_reg;
- } else if (offset < 0x200) {
- /* Interrupt Set/Clear Enable. */
- if (offset < 0x180)
- irq = (offset - 0x100) * 8;
- else
- irq = (offset - 0x180) * 8;
- irq += GIC_BASE_IRQ;
- if (irq >= s->num_irq)
- goto bad_reg;
- res = 0;
- for (i = 0; i < 8; i++) {
- if (GIC_TEST_ENABLED(irq + i, cm)) {
- res |= (1 << i);
- }
- }
- } else if (offset < 0x300) {
- /* Interrupt Set/Clear Pending. */
- if (offset < 0x280)
- irq = (offset - 0x200) * 8;
- else
- irq = (offset - 0x280) * 8;
- irq += GIC_BASE_IRQ;
- if (irq >= s->num_irq)
- goto bad_reg;
- res = 0;
- mask = (irq < GIC_INTERNAL) ? cm : ALL_CPU_MASK;
- for (i = 0; i < 8; i++) {
- if (GIC_TEST_PENDING(irq + i, mask)) {
- res |= (1 << i);
- }
- }
- } else if (offset < 0x400) {
- /* Interrupt Active. */
- irq = (offset - 0x300) * 8 + GIC_BASE_IRQ;
- if (irq >= s->num_irq)
- goto bad_reg;
- res = 0;
- mask = (irq < GIC_INTERNAL) ? cm : ALL_CPU_MASK;
- for (i = 0; i < 8; i++) {
- if (GIC_TEST_ACTIVE(irq + i, mask)) {
- res |= (1 << i);
- }
- }
- } else if (offset < 0x800) {
- /* Interrupt Priority. */
- irq = (offset - 0x400) + GIC_BASE_IRQ;
- if (irq >= s->num_irq)
- goto bad_reg;
- res = GIC_GET_PRIORITY(irq, cpu);
- } else if (offset < 0xc00) {
- /* Interrupt CPU Target. */
- if (s->num_cpu == 1 && s->revision != REV_11MPCORE) {
- /* For uniprocessor GICs these RAZ/WI */
- res = 0;
- } else {
- irq = (offset - 0x800) + GIC_BASE_IRQ;
- if (irq >= s->num_irq) {
- goto bad_reg;
- }
- if (irq >= 29 && irq <= 31) {
- res = cm;
- } else {
- res = GIC_TARGET(irq);
- }
- }
- } else if (offset < 0xf00) {
- /* Interrupt Configuration. */
- irq = (offset - 0xc00) * 2 + GIC_BASE_IRQ;
- if (irq >= s->num_irq)
- goto bad_reg;
- res = 0;
- for (i = 0; i < 4; i++) {
- if (GIC_TEST_MODEL(irq + i))
- res |= (1 << (i * 2));
- if (GIC_TEST_TRIGGER(irq + i))
- res |= (2 << (i * 2));
- }
- } else if (offset < 0xfe0) {
- goto bad_reg;
- } else /* offset >= 0xfe0 */ {
- if (offset & 3) {
- res = 0;
- } else {
- res = gic_id[(offset - 0xfe0) >> 2];
- }
- }
- return res;
-bad_reg:
- qemu_log_mask(LOG_GUEST_ERROR,
- "gic_dist_readb: Bad offset %x\n", (int)offset);
- return 0;
-}
-
-static uint32_t gic_dist_readw(void *opaque, hwaddr offset)
-{
- uint32_t val;
- val = gic_dist_readb(opaque, offset);
- val |= gic_dist_readb(opaque, offset + 1) << 8;
- return val;
-}
-
-static uint32_t gic_dist_readl(void *opaque, hwaddr offset)
-{
- uint32_t val;
- val = gic_dist_readw(opaque, offset);
- val |= gic_dist_readw(opaque, offset + 2) << 16;
- return val;
-}
-
-static void gic_dist_writeb(void *opaque, hwaddr offset,
- uint32_t value)
-{
- GICState *s = (GICState *)opaque;
- int irq;
- int i;
- int cpu;
-
- cpu = gic_get_current_cpu(s);
- if (offset < 0x100) {
- if (offset == 0) {
- s->enabled = (value & 1);
- DPRINTF("Distribution %sabled\n", s->enabled ? "En" : "Dis");
- } else if (offset < 4) {
- /* ignored. */
- } else if (offset >= 0x80) {
- /* Interrupt Security Registers, RAZ/WI */
- } else {
- goto bad_reg;
- }
- } else if (offset < 0x180) {
- /* Interrupt Set Enable. */
- irq = (offset - 0x100) * 8 + GIC_BASE_IRQ;
- if (irq >= s->num_irq)
- goto bad_reg;
- if (irq < 16)
- value = 0xff;
- for (i = 0; i < 8; i++) {
- if (value & (1 << i)) {
- int mask =
- (irq < GIC_INTERNAL) ? (1 << cpu) : GIC_TARGET(irq + i);
- int cm = (irq < GIC_INTERNAL) ? (1 << cpu) : ALL_CPU_MASK;
-
- if (!GIC_TEST_ENABLED(irq + i, cm)) {
- DPRINTF("Enabled IRQ %d\n", irq + i);
- }
- GIC_SET_ENABLED(irq + i, cm);
- /* If a raised level triggered IRQ enabled then mark
- is as pending. */
- if (GIC_TEST_LEVEL(irq + i, mask)
- && !GIC_TEST_TRIGGER(irq + i)) {
- DPRINTF("Set %d pending mask %x\n", irq + i, mask);
- GIC_SET_PENDING(irq + i, mask);
- }
- }
- }
- } else if (offset < 0x200) {
- /* Interrupt Clear Enable. */
- irq = (offset - 0x180) * 8 + GIC_BASE_IRQ;
- if (irq >= s->num_irq)
- goto bad_reg;
- if (irq < 16)
- value = 0;
- for (i = 0; i < 8; i++) {
- if (value & (1 << i)) {
- int cm = (irq < GIC_INTERNAL) ? (1 << cpu) : ALL_CPU_MASK;
-
- if (GIC_TEST_ENABLED(irq + i, cm)) {
- DPRINTF("Disabled IRQ %d\n", irq + i);
- }
- GIC_CLEAR_ENABLED(irq + i, cm);
- }
- }
- } else if (offset < 0x280) {
- /* Interrupt Set Pending. */
- irq = (offset - 0x200) * 8 + GIC_BASE_IRQ;
- if (irq >= s->num_irq)
- goto bad_reg;
- if (irq < 16)
- irq = 0;
-
- for (i = 0; i < 8; i++) {
- if (value & (1 << i)) {
- GIC_SET_PENDING(irq + i, GIC_TARGET(irq + i));
- }
- }
- } else if (offset < 0x300) {
- /* Interrupt Clear Pending. */
- irq = (offset - 0x280) * 8 + GIC_BASE_IRQ;
- if (irq >= s->num_irq)
- goto bad_reg;
- for (i = 0; i < 8; i++) {
- /* ??? This currently clears the pending bit for all CPUs, even
- for per-CPU interrupts. It's unclear whether this is the
- corect behavior. */
- if (value & (1 << i)) {
- GIC_CLEAR_PENDING(irq + i, ALL_CPU_MASK);
- }
- }
- } else if (offset < 0x400) {
- /* Interrupt Active. */
- goto bad_reg;
- } else if (offset < 0x800) {
- /* Interrupt Priority. */
- irq = (offset - 0x400) + GIC_BASE_IRQ;
- if (irq >= s->num_irq)
- goto bad_reg;
- if (irq < GIC_INTERNAL) {
- s->priority1[irq][cpu] = value;
- } else {
- s->priority2[irq - GIC_INTERNAL] = value;
- }
- } else if (offset < 0xc00) {
- /* Interrupt CPU Target. RAZ/WI on uniprocessor GICs, with the
- * annoying exception of the 11MPCore's GIC.
- */
- if (s->num_cpu != 1 || s->revision == REV_11MPCORE) {
- irq = (offset - 0x800) + GIC_BASE_IRQ;
- if (irq >= s->num_irq) {
- goto bad_reg;
- }
- if (irq < 29) {
- value = 0;
- } else if (irq < GIC_INTERNAL) {
- value = ALL_CPU_MASK;
- }
- s->irq_target[irq] = value & ALL_CPU_MASK;
- }
- } else if (offset < 0xf00) {
- /* Interrupt Configuration. */
- irq = (offset - 0xc00) * 4 + GIC_BASE_IRQ;
- if (irq >= s->num_irq)
- goto bad_reg;
- if (irq < GIC_INTERNAL)
- value |= 0xaa;
- for (i = 0; i < 4; i++) {
- if (value & (1 << (i * 2))) {
- GIC_SET_MODEL(irq + i);
- } else {
- GIC_CLEAR_MODEL(irq + i);
- }
- if (value & (2 << (i * 2))) {
- GIC_SET_TRIGGER(irq + i);
- } else {
- GIC_CLEAR_TRIGGER(irq + i);
- }
- }
- } else {
- /* 0xf00 is only handled for 32-bit writes. */
- goto bad_reg;
- }
- gic_update(s);
- return;
-bad_reg:
- qemu_log_mask(LOG_GUEST_ERROR,
- "gic_dist_writeb: Bad offset %x\n", (int)offset);
-}
-
-static void gic_dist_writew(void *opaque, hwaddr offset,
- uint32_t value)
-{
- gic_dist_writeb(opaque, offset, value & 0xff);
- gic_dist_writeb(opaque, offset + 1, value >> 8);
-}
-
-static void gic_dist_writel(void *opaque, hwaddr offset,
- uint32_t value)
-{
- GICState *s = (GICState *)opaque;
- if (offset == 0xf00) {
- int cpu;
- int irq;
- int mask;
-
- cpu = gic_get_current_cpu(s);
- irq = value & 0x3ff;
- switch ((value >> 24) & 3) {
- case 0:
- mask = (value >> 16) & ALL_CPU_MASK;
- break;
- case 1:
- mask = ALL_CPU_MASK ^ (1 << cpu);
- break;
- case 2:
- mask = 1 << cpu;
- break;
- default:
- DPRINTF("Bad Soft Int target filter\n");
- mask = ALL_CPU_MASK;
- break;
- }
- GIC_SET_PENDING(irq, mask);
- gic_update(s);
- return;
- }
- gic_dist_writew(opaque, offset, value & 0xffff);
- gic_dist_writew(opaque, offset + 2, value >> 16);
-}
-
-static const MemoryRegionOps gic_dist_ops = {
- .old_mmio = {
- .read = { gic_dist_readb, gic_dist_readw, gic_dist_readl, },
- .write = { gic_dist_writeb, gic_dist_writew, gic_dist_writel, },
- },
- .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static uint32_t gic_cpu_read(GICState *s, int cpu, int offset)
-{
- switch (offset) {
- case 0x00: /* Control */
- return s->cpu_enabled[cpu];
- case 0x04: /* Priority mask */
- return s->priority_mask[cpu];
- case 0x08: /* Binary Point */
- /* ??? Not implemented. */
- return 0;
- case 0x0c: /* Acknowledge */
- return gic_acknowledge_irq(s, cpu);
- case 0x14: /* Running Priority */
- return s->running_priority[cpu];
- case 0x18: /* Highest Pending Interrupt */
- return s->current_pending[cpu];
- default:
- qemu_log_mask(LOG_GUEST_ERROR,
- "gic_cpu_read: Bad offset %x\n", (int)offset);
- return 0;
- }
-}
-
-static void gic_cpu_write(GICState *s, int cpu, int offset, uint32_t value)
-{
- switch (offset) {
- case 0x00: /* Control */
- s->cpu_enabled[cpu] = (value & 1);
- DPRINTF("CPU %d %sabled\n", cpu, s->cpu_enabled[cpu] ? "En" : "Dis");
- break;
- case 0x04: /* Priority mask */
- s->priority_mask[cpu] = (value & 0xff);
- break;
- case 0x08: /* Binary Point */
- /* ??? Not implemented. */
- break;
- case 0x10: /* End Of Interrupt */
- return gic_complete_irq(s, cpu, value & 0x3ff);
- default:
- qemu_log_mask(LOG_GUEST_ERROR,
- "gic_cpu_write: Bad offset %x\n", (int)offset);
- return;
- }
- gic_update(s);
-}
-
-/* Wrappers to read/write the GIC CPU interface for the current CPU */
-static uint64_t gic_thiscpu_read(void *opaque, hwaddr addr,
- unsigned size)
-{
- GICState *s = (GICState *)opaque;
- return gic_cpu_read(s, gic_get_current_cpu(s), addr);
-}
-
-static void gic_thiscpu_write(void *opaque, hwaddr addr,
- uint64_t value, unsigned size)
-{
- GICState *s = (GICState *)opaque;
- gic_cpu_write(s, gic_get_current_cpu(s), addr, value);
-}
-
-/* Wrappers to read/write the GIC CPU interface for a specific CPU.
- * These just decode the opaque pointer into GICState* + cpu id.
- */
-static uint64_t gic_do_cpu_read(void *opaque, hwaddr addr,
- unsigned size)
-{
- GICState **backref = (GICState **)opaque;
- GICState *s = *backref;
- int id = (backref - s->backref);
- return gic_cpu_read(s, id, addr);
-}
-
-static void gic_do_cpu_write(void *opaque, hwaddr addr,
- uint64_t value, unsigned size)
-{
- GICState **backref = (GICState **)opaque;
- GICState *s = *backref;
- int id = (backref - s->backref);
- gic_cpu_write(s, id, addr, value);
-}
-
-static const MemoryRegionOps gic_thiscpu_ops = {
- .read = gic_thiscpu_read,
- .write = gic_thiscpu_write,
- .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static const MemoryRegionOps gic_cpu_ops = {
- .read = gic_do_cpu_read,
- .write = gic_do_cpu_write,
- .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-void gic_init_irqs_and_distributor(GICState *s, int num_irq)
-{
- int i;
-
- i = s->num_irq - GIC_INTERNAL;
- /* For the GIC, also expose incoming GPIO lines for PPIs for each CPU.
- * GPIO array layout is thus:
- * [0..N-1] SPIs
- * [N..N+31] PPIs for CPU 0
- * [N+32..N+63] PPIs for CPU 1
- * ...
- */
- if (s->revision != REV_NVIC) {
- i += (GIC_INTERNAL * s->num_cpu);
- }
- qdev_init_gpio_in(&s->busdev.qdev, gic_set_irq, i);
- for (i = 0; i < NUM_CPU(s); i++) {
- sysbus_init_irq(&s->busdev, &s->parent_irq[i]);
- }
- memory_region_init_io(&s->iomem, &gic_dist_ops, s, "gic_dist", 0x1000);
-}
-
-static void arm_gic_realize(DeviceState *dev, Error **errp)
-{
- /* Device instance realize function for the GIC sysbus device */
- int i;
- GICState *s = ARM_GIC(dev);
- SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
- ARMGICClass *agc = ARM_GIC_GET_CLASS(s);
-
- agc->parent_realize(dev, errp);
- if (error_is_set(errp)) {
- return;
- }
-
- gic_init_irqs_and_distributor(s, s->num_irq);
-
- /* Memory regions for the CPU interfaces (NVIC doesn't have these):
- * a region for "CPU interface for this core", then a region for
- * "CPU interface for core 0", "for core 1", ...
- * NB that the memory region size of 0x100 applies for the 11MPCore
- * and also cores following the GIC v1 spec (ie A9).
- * GIC v2 defines a larger memory region (0x1000) so this will need
- * to be extended when we implement A15.
- */
- memory_region_init_io(&s->cpuiomem[0], &gic_thiscpu_ops, s,
- "gic_cpu", 0x100);
- for (i = 0; i < NUM_CPU(s); i++) {
- s->backref[i] = s;
- memory_region_init_io(&s->cpuiomem[i+1], &gic_cpu_ops, &s->backref[i],
- "gic_cpu", 0x100);
- }
- /* Distributor */
- sysbus_init_mmio(sbd, &s->iomem);
- /* cpu interfaces (one for "current cpu" plus one per cpu) */
- for (i = 0; i <= NUM_CPU(s); i++) {
- sysbus_init_mmio(sbd, &s->cpuiomem[i]);
- }
-}
-
-static void arm_gic_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- ARMGICClass *agc = ARM_GIC_CLASS(klass);
-
- dc->no_user = 1;
- agc->parent_realize = dc->realize;
- dc->realize = arm_gic_realize;
-}
-
-static const TypeInfo arm_gic_info = {
- .name = TYPE_ARM_GIC,
- .parent = TYPE_ARM_GIC_COMMON,
- .instance_size = sizeof(GICState),
- .class_init = arm_gic_class_init,
- .class_size = sizeof(ARMGICClass),
-};
-
-static void arm_gic_register_types(void)
-{
- type_register_static(&arm_gic_info);
-}
-
-type_init(arm_gic_register_types)