hw: move interrupt controllers to hw/intc/, configure with default-configs/

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 0 insertions, 471 deletions

diff --git a/hw/slavio_intctl.c b/hw/slavio_intctl.c
deleted file mode 100644
index b367752fd3..0000000000
--- a/hw/slavio_intctl.c
+++ /dev/null
@@ -1,471 +0,0 @@
-/*
- * QEMU Sparc SLAVIO interrupt controller emulation
- *
- * Copyright (c) 2003-2005 Fabrice Bellard
- *
- * 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 "hw/sparc/sun4m.h"
-#include "monitor/monitor.h"
-#include "hw/sysbus.h"
-#include "trace.h"
-
-//#define DEBUG_IRQ_COUNT
-
-/*
- * Registers of interrupt controller in sun4m.
- *
- * This is the interrupt controller part of chip STP2001 (Slave I/O), also
- * produced as NCR89C105. See
- * http://www.ibiblio.org/pub/historic-linux/early-ports/Sparc/NCR/NCR89C105.txt
- *
- * There is a system master controller and one for each cpu.
- *
- */
-
-#define MAX_CPUS 16
-#define MAX_PILS 16
-
-struct SLAVIO_INTCTLState;
-
-typedef struct SLAVIO_CPUINTCTLState {
-    MemoryRegion iomem;
-    struct SLAVIO_INTCTLState *master;
-    uint32_t intreg_pending;
-    uint32_t cpu;
-    uint32_t irl_out;
-} SLAVIO_CPUINTCTLState;
-
-typedef struct SLAVIO_INTCTLState {
-    SysBusDevice busdev;
-    MemoryRegion iomem;
-#ifdef DEBUG_IRQ_COUNT
-    uint64_t irq_count[32];
-#endif
-    qemu_irq cpu_irqs[MAX_CPUS][MAX_PILS];
-    SLAVIO_CPUINTCTLState slaves[MAX_CPUS];
-    uint32_t intregm_pending;
-    uint32_t intregm_disabled;
-    uint32_t target_cpu;
-} SLAVIO_INTCTLState;
-
-#define INTCTL_MAXADDR 0xf
-#define INTCTL_SIZE (INTCTL_MAXADDR + 1)
-#define INTCTLM_SIZE 0x14
-#define MASTER_IRQ_MASK ~0x0fa2007f
-#define MASTER_DISABLE 0x80000000
-#define CPU_SOFTIRQ_MASK 0xfffe0000
-#define CPU_IRQ_INT15_IN (1 << 15)
-#define CPU_IRQ_TIMER_IN (1 << 14)
-
-static void slavio_check_interrupts(SLAVIO_INTCTLState *s, int set_irqs);
-
-// per-cpu interrupt controller
-static uint64_t slavio_intctl_mem_readl(void *opaque, hwaddr addr,
-                                        unsigned size)
-{
-    SLAVIO_CPUINTCTLState *s = opaque;
-    uint32_t saddr, ret;
-
-    saddr = addr >> 2;
-    switch (saddr) {
-    case 0:
-        ret = s->intreg_pending;
-        break;
-    default:
-        ret = 0;
-        break;
-    }
-    trace_slavio_intctl_mem_readl(s->cpu, addr, ret);
-
-    return ret;
-}
-
-static void slavio_intctl_mem_writel(void *opaque, hwaddr addr,
-                                     uint64_t val, unsigned size)
-{
-    SLAVIO_CPUINTCTLState *s = opaque;
-    uint32_t saddr;
-
-    saddr = addr >> 2;
-    trace_slavio_intctl_mem_writel(s->cpu, addr, val);
-    switch (saddr) {
-    case 1: // clear pending softints
-        val &= CPU_SOFTIRQ_MASK | CPU_IRQ_INT15_IN;
-        s->intreg_pending &= ~val;
-        slavio_check_interrupts(s->master, 1);
-        trace_slavio_intctl_mem_writel_clear(s->cpu, val, s->intreg_pending);
-        break;
-    case 2: // set softint
-        val &= CPU_SOFTIRQ_MASK;
-        s->intreg_pending |= val;
-        slavio_check_interrupts(s->master, 1);
-        trace_slavio_intctl_mem_writel_set(s->cpu, val, s->intreg_pending);
-        break;
-    default:
-        break;
-    }
-}
-
-static const MemoryRegionOps slavio_intctl_mem_ops = {
-    .read = slavio_intctl_mem_readl,
-    .write = slavio_intctl_mem_writel,
-    .endianness = DEVICE_NATIVE_ENDIAN,
-    .valid = {
-        .min_access_size = 4,
-        .max_access_size = 4,
-    },
-};
-
-// master system interrupt controller
-static uint64_t slavio_intctlm_mem_readl(void *opaque, hwaddr addr,
-                                         unsigned size)
-{
-    SLAVIO_INTCTLState *s = opaque;
-    uint32_t saddr, ret;
-
-    saddr = addr >> 2;
-    switch (saddr) {
-    case 0:
-        ret = s->intregm_pending & ~MASTER_DISABLE;
-        break;
-    case 1:
-        ret = s->intregm_disabled & MASTER_IRQ_MASK;
-        break;
-    case 4:
-        ret = s->target_cpu;
-        break;
-    default:
-        ret = 0;
-        break;
-    }
-    trace_slavio_intctlm_mem_readl(addr, ret);
-
-    return ret;
-}
-
-static void slavio_intctlm_mem_writel(void *opaque, hwaddr addr,
-                                      uint64_t val, unsigned size)
-{
-    SLAVIO_INTCTLState *s = opaque;
-    uint32_t saddr;
-
-    saddr = addr >> 2;
-    trace_slavio_intctlm_mem_writel(addr, val);
-    switch (saddr) {
-    case 2: // clear (enable)
-        // Force clear unused bits
-        val &= MASTER_IRQ_MASK;
-        s->intregm_disabled &= ~val;
-        trace_slavio_intctlm_mem_writel_enable(val, s->intregm_disabled);
-        slavio_check_interrupts(s, 1);
-        break;
-    case 3: // set (disable; doesn't affect pending)
-        // Force clear unused bits
-        val &= MASTER_IRQ_MASK;
-        s->intregm_disabled |= val;
-        slavio_check_interrupts(s, 1);
-        trace_slavio_intctlm_mem_writel_disable(val, s->intregm_disabled);
-        break;
-    case 4:
-        s->target_cpu = val & (MAX_CPUS - 1);
-        slavio_check_interrupts(s, 1);
-        trace_slavio_intctlm_mem_writel_target(s->target_cpu);
-        break;
-    default:
-        break;
-    }
-}
-
-static const MemoryRegionOps slavio_intctlm_mem_ops = {
-    .read = slavio_intctlm_mem_readl,
-    .write = slavio_intctlm_mem_writel,
-    .endianness = DEVICE_NATIVE_ENDIAN,
-    .valid = {
-        .min_access_size = 4,
-        .max_access_size = 4,
-    },
-};
-
-void slavio_pic_info(Monitor *mon, DeviceState *dev)
-{
-    SysBusDevice *sd;
-    SLAVIO_INTCTLState *s;
-    int i;
-
-    sd = SYS_BUS_DEVICE(dev);
-    s = FROM_SYSBUS(SLAVIO_INTCTLState, sd);
-    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
-    SysBusDevice *sd;
-    SLAVIO_INTCTLState *s;
-    int i;
-    int64_t count;
-
-    sd = SYS_BUS_DEVICE(dev);
-    s = FROM_SYSBUS(SLAVIO_INTCTLState, sd);
-    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,
-};
-
-static void slavio_check_interrupts(SLAVIO_INTCTLState *s, int set_irqs)
-{
-    uint32_t pending = s->intregm_pending, pil_pending;
-    unsigned int i, j;
-
-    pending &= ~s->intregm_disabled;
-
-    trace_slavio_check_interrupts(pending, s->intregm_disabled);
-    for (i = 0; i < MAX_CPUS; i++) {
-        pil_pending = 0;
-
-        /* If we are the current interrupt target, get hard interrupts */
-        if (pending && !(s->intregm_disabled & MASTER_DISABLE) &&
-            (i == s->target_cpu)) {
-            for (j = 0; j < 32; j++) {
-                if ((pending & (1 << j)) && intbit_to_level[j]) {
-                    pil_pending |= 1 << intbit_to_level[j];
-                }
-            }
-        }
-
-        /* Calculate current pending hard interrupts for display */
-        s->slaves[i].intreg_pending &= CPU_SOFTIRQ_MASK | CPU_IRQ_INT15_IN |
-            CPU_IRQ_TIMER_IN;
-        if (i == s->target_cpu) {
-            for (j = 0; j < 32; j++) {
-                if ((s->intregm_pending & (1 << j)) && intbit_to_level[j]) {
-                    s->slaves[i].intreg_pending |= 1 << intbit_to_level[j];
-                }
-            }
-        }
-
-        /* Level 15 and CPU timer interrupts are only masked when
-           the MASTER_DISABLE bit is set */
-        if (!(s->intregm_disabled & MASTER_DISABLE)) {
-            pil_pending |= s->slaves[i].intreg_pending &
-                (CPU_IRQ_INT15_IN | CPU_IRQ_TIMER_IN);
-        }
-
-        /* Add soft interrupts */
-        pil_pending |= (s->slaves[i].intreg_pending & CPU_SOFTIRQ_MASK) >> 16;
-
-        if (set_irqs) {
-            /* Since there is not really an interrupt 0 (and pil_pending
-             * and irl_out bit zero are thus always zero) there is no need
-             * to do anything with cpu_irqs[i][0] and it is OK not to do
-             * the j=0 iteration of this loop.
-             */
-            for (j = MAX_PILS-1; j > 0; j--) {
-                if (pil_pending & (1 << j)) {
-                    if (!(s->slaves[i].irl_out & (1 << j))) {
-                        qemu_irq_raise(s->cpu_irqs[i][j]);
-                    }
-                } else {
-                    if (s->slaves[i].irl_out & (1 << j)) {
-                        qemu_irq_lower(s->cpu_irqs[i][j]);
-                    }
-                }
-            }
-        }
-        s->slaves[i].irl_out = pil_pending;
-    }
-}
-
-/*
- * "irq" here is the bit number in the system interrupt register to
- * separate serial and keyboard interrupts sharing a level.
- */
-static void slavio_set_irq(void *opaque, int irq, int level)
-{
-    SLAVIO_INTCTLState *s = opaque;
-    uint32_t mask = 1 << irq;
-    uint32_t pil = intbit_to_level[irq];
-    unsigned int i;
-
-    trace_slavio_set_irq(s->target_cpu, irq, pil, level);
-    if (pil > 0) {
-        if (level) {
-#ifdef DEBUG_IRQ_COUNT
-            s->irq_count[pil]++;
-#endif
-            s->intregm_pending |= mask;
-            if (pil == 15) {
-                for (i = 0; i < MAX_CPUS; i++) {
-                    s->slaves[i].intreg_pending |= 1 << pil;
-                }
-            }
-        } else {
-            s->intregm_pending &= ~mask;
-            if (pil == 15) {
-                for (i = 0; i < MAX_CPUS; i++) {
-                    s->slaves[i].intreg_pending &= ~(1 << pil);
-                }
-            }
-        }
-        slavio_check_interrupts(s, 1);
-    }
-}
-
-static void slavio_set_timer_irq_cpu(void *opaque, int cpu, int level)
-{
-    SLAVIO_INTCTLState *s = opaque;
-
-    trace_slavio_set_timer_irq_cpu(cpu, level);
-
-    if (level) {
-        s->slaves[cpu].intreg_pending |= CPU_IRQ_TIMER_IN;
-    } else {
-        s->slaves[cpu].intreg_pending &= ~CPU_IRQ_TIMER_IN;
-    }
-
-    slavio_check_interrupts(s, 1);
-}
-
-static void slavio_set_irq_all(void *opaque, int irq, int level)
-{
-    if (irq < 32) {
-        slavio_set_irq(opaque, irq, level);
-    } else {
-        slavio_set_timer_irq_cpu(opaque, irq - 32, level);
-    }
-}
-
-static int vmstate_intctl_post_load(void *opaque, int version_id)
-{
-    SLAVIO_INTCTLState *s = opaque;
-
-    slavio_check_interrupts(s, 0);
-    return 0;
-}
-
-static const VMStateDescription vmstate_intctl_cpu = {
-    .name ="slavio_intctl_cpu",
-    .version_id = 1,
-    .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField []) {
-        VMSTATE_UINT32(intreg_pending, SLAVIO_CPUINTCTLState),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static const VMStateDescription vmstate_intctl = {
-    .name ="slavio_intctl",
-    .version_id = 1,
-    .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .post_load = vmstate_intctl_post_load,
-    .fields      = (VMStateField []) {
-        VMSTATE_STRUCT_ARRAY(slaves, SLAVIO_INTCTLState, MAX_CPUS, 1,
-                             vmstate_intctl_cpu, SLAVIO_CPUINTCTLState),
-        VMSTATE_UINT32(intregm_pending, SLAVIO_INTCTLState),
-        VMSTATE_UINT32(intregm_disabled, SLAVIO_INTCTLState),
-        VMSTATE_UINT32(target_cpu, SLAVIO_INTCTLState),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static void slavio_intctl_reset(DeviceState *d)
-{
-    SLAVIO_INTCTLState *s = container_of(d, SLAVIO_INTCTLState, busdev.qdev);
-    int i;
-
-    for (i = 0; i < MAX_CPUS; i++) {
-        s->slaves[i].intreg_pending = 0;
-        s->slaves[i].irl_out = 0;
-    }
-    s->intregm_disabled = ~MASTER_IRQ_MASK;
-    s->intregm_pending = 0;
-    s->target_cpu = 0;
-    slavio_check_interrupts(s, 0);
-}
-
-static int slavio_intctl_init1(SysBusDevice *dev)
-{
-    SLAVIO_INTCTLState *s = FROM_SYSBUS(SLAVIO_INTCTLState, dev);
-    unsigned int i, j;
-    char slave_name[45];
-
-    qdev_init_gpio_in(&dev->qdev, slavio_set_irq_all, 32 + MAX_CPUS);
-    memory_region_init_io(&s->iomem, &slavio_intctlm_mem_ops, s,
-                          "master-interrupt-controller", INTCTLM_SIZE);
-    sysbus_init_mmio(dev, &s->iomem);
-
-    for (i = 0; i < MAX_CPUS; i++) {
-        snprintf(slave_name, sizeof(slave_name),
-                 "slave-interrupt-controller-%i", i);
-        for (j = 0; j < MAX_PILS; j++) {
-            sysbus_init_irq(dev, &s->cpu_irqs[i][j]);
-        }
-        memory_region_init_io(&s->slaves[i].iomem, &slavio_intctl_mem_ops,
-                              &s->slaves[i], slave_name, INTCTL_SIZE);
-        sysbus_init_mmio(dev, &s->slaves[i].iomem);
-        s->slaves[i].cpu = i;
-        s->slaves[i].master = s;
-    }
-
-    return 0;
-}
-
-static void slavio_intctl_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
-
-    k->init = slavio_intctl_init1;
-    dc->reset = slavio_intctl_reset;
-    dc->vmsd = &vmstate_intctl;
-}
-
-static const TypeInfo slavio_intctl_info = {
-    .name          = "slavio_intctl",
-    .parent        = TYPE_SYS_BUS_DEVICE,
-    .instance_size = sizeof(SLAVIO_INTCTLState),
-    .class_init    = slavio_intctl_class_init,
-};
-
-static void slavio_intctl_register_types(void)
-{
-    type_register_static(&slavio_intctl_info);
-}
-
-type_init(slavio_intctl_register_types)