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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/sun4c_intctl.c
parentd2c0bd845847820e4abd99638aa2e9b90611a5bf (diff)
downloadqemu-7702e47c21e9e7c9962a25de03caa999ea4cd2ea.tar.gz
hw: move interrupt controllers to hw/intc/, configure with default-configs/
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/sun4c_intctl.c')
-rw-r--r--hw/sun4c_intctl.c208
1 files changed, 0 insertions, 208 deletions
diff --git a/hw/sun4c_intctl.c b/hw/sun4c_intctl.c
deleted file mode 100644
index 1096375670..0000000000
--- a/hw/sun4c_intctl.c
+++ /dev/null
@@ -1,208 +0,0 @@
-/*
- * QEMU Sparc Sun4c interrupt controller emulation
- *
- * Based on slavio_intctl, 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/hw.h"
-#include "hw/sparc/sun4m.h"
-#include "monitor/monitor.h"
-#include "hw/sysbus.h"
-
-//#define DEBUG_IRQ_COUNT
-//#define DEBUG_IRQ
-
-#ifdef DEBUG_IRQ
-#define DPRINTF(fmt, ...) \
- do { printf("IRQ: " fmt , ## __VA_ARGS__); } while (0)
-#else
-#define DPRINTF(fmt, ...)
-#endif
-
-/*
- * Registers of interrupt controller in sun4c.
- *
- */
-
-#define MAX_PILS 16
-
-typedef struct Sun4c_INTCTLState {
- SysBusDevice busdev;
- MemoryRegion iomem;
-#ifdef DEBUG_IRQ_COUNT
- uint64_t irq_count;
-#endif
- qemu_irq cpu_irqs[MAX_PILS];
- const uint32_t *intbit_to_level;
- uint32_t pil_out;
- uint8_t reg;
- uint8_t pending;
-} Sun4c_INTCTLState;
-
-#define INTCTL_SIZE 1
-
-static void sun4c_check_interrupts(void *opaque);
-
-static uint64_t sun4c_intctl_mem_read(void *opaque, hwaddr addr,
- unsigned size)
-{
- Sun4c_INTCTLState *s = opaque;
- uint32_t ret;
-
- ret = s->reg;
- DPRINTF("read reg 0x" TARGET_FMT_plx " = %x\n", addr, ret);
-
- return ret;
-}
-
-static void sun4c_intctl_mem_write(void *opaque, hwaddr addr,
- uint64_t val, unsigned size)
-{
- Sun4c_INTCTLState *s = opaque;
-
- DPRINTF("write reg 0x" TARGET_FMT_plx " = %x\n", addr, (unsigned)val);
- val &= 0xbf;
- s->reg = val;
- sun4c_check_interrupts(s);
-}
-
-static const MemoryRegionOps sun4c_intctl_mem_ops = {
- .read = sun4c_intctl_mem_read,
- .write = sun4c_intctl_mem_write,
- .endianness = DEVICE_NATIVE_ENDIAN,
- .valid = {
- .min_access_size = 1,
- .max_access_size = 1,
- },
-};
-
-static const uint32_t intbit_to_level[] = { 0, 1, 4, 6, 8, 10, 0, 14, };
-
-static void sun4c_check_interrupts(void *opaque)
-{
- Sun4c_INTCTLState *s = opaque;
- uint32_t pil_pending;
- unsigned int i;
-
- pil_pending = 0;
- if (s->pending && !(s->reg & 0x80000000)) {
- for (i = 0; i < 8; i++) {
- if (s->pending & (1 << i))
- pil_pending |= 1 << intbit_to_level[i];
- }
- }
-
- for (i = 0; i < MAX_PILS; i++) {
- if (pil_pending & (1 << i)) {
- if (!(s->pil_out & (1 << i)))
- qemu_irq_raise(s->cpu_irqs[i]);
- } else {
- if (s->pil_out & (1 << i))
- qemu_irq_lower(s->cpu_irqs[i]);
- }
- }
- s->pil_out = pil_pending;
-}
-
-/*
- * "irq" here is the bit number in the system interrupt register
- */
-static void sun4c_set_irq(void *opaque, int irq, int level)
-{
- Sun4c_INTCTLState *s = opaque;
- uint32_t mask = 1 << irq;
- uint32_t pil = intbit_to_level[irq];
-
- DPRINTF("Set irq %d -> pil %d level %d\n", irq, pil,
- level);
- if (pil > 0) {
- if (level) {
-#ifdef DEBUG_IRQ_COUNT
- s->irq_count++;
-#endif
- s->pending |= mask;
- } else {
- s->pending &= ~mask;
- }
- sun4c_check_interrupts(s);
- }
-}
-
-static const VMStateDescription vmstate_sun4c_intctl = {
- .name ="sun4c_intctl",
- .version_id = 1,
- .minimum_version_id = 1,
- .minimum_version_id_old = 1,
- .fields = (VMStateField []) {
- VMSTATE_UINT8(reg, Sun4c_INTCTLState),
- VMSTATE_UINT8(pending, Sun4c_INTCTLState),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static void sun4c_intctl_reset(DeviceState *d)
-{
- Sun4c_INTCTLState *s = container_of(d, Sun4c_INTCTLState, busdev.qdev);
-
- s->reg = 1;
- s->pending = 0;
-}
-
-static int sun4c_intctl_init1(SysBusDevice *dev)
-{
- Sun4c_INTCTLState *s = FROM_SYSBUS(Sun4c_INTCTLState, dev);
- unsigned int i;
-
- memory_region_init_io(&s->iomem, &sun4c_intctl_mem_ops, s,
- "intctl", INTCTL_SIZE);
- sysbus_init_mmio(dev, &s->iomem);
- qdev_init_gpio_in(&dev->qdev, sun4c_set_irq, 8);
-
- for (i = 0; i < MAX_PILS; i++) {
- sysbus_init_irq(dev, &s->cpu_irqs[i]);
- }
-
- return 0;
-}
-
-static void sun4c_intctl_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
-
- k->init = sun4c_intctl_init1;
- dc->reset = sun4c_intctl_reset;
- dc->vmsd = &vmstate_sun4c_intctl;
-}
-
-static const TypeInfo sun4c_intctl_info = {
- .name = "sun4c_intctl",
- .parent = TYPE_SYS_BUS_DEVICE,
- .instance_size = sizeof(Sun4c_INTCTLState),
- .class_init = sun4c_intctl_class_init,
-};
-
-static void sun4c_intctl_register_types(void)
-{
- type_register_static(&sun4c_intctl_info);
-}
-
-type_init(sun4c_intctl_register_types)