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-rw-r--r--hw/syborg_timer.c224
1 files changed, 0 insertions, 224 deletions
diff --git a/hw/syborg_timer.c b/hw/syborg_timer.c
deleted file mode 100644
index 1498f01a62..0000000000
--- a/hw/syborg_timer.c
+++ /dev/null
@@ -1,224 +0,0 @@
-/*
- * Syborg Interval Timer.
- *
- * Copyright (c) 2008 CodeSourcery
- *
- * 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 "sysbus.h"
-#include "qemu-timer.h"
-#include "syborg.h"
-
-//#define DEBUG_SYBORG_TIMER
-
-#ifdef DEBUG_SYBORG_TIMER
-#define DPRINTF(fmt, ...) \
-do { printf("syborg_timer: " fmt , ##args); } while (0)
-#define BADF(fmt, ...) \
-do { fprintf(stderr, "syborg_timer: error: " fmt , ## __VA_ARGS__); \
- exit(1);} while (0)
-#else
-#define DPRINTF(fmt, ...) do {} while(0)
-#define BADF(fmt, ...) \
-do { fprintf(stderr, "syborg_timer: error: " fmt , ## __VA_ARGS__);} while (0)
-#endif
-
-enum {
- TIMER_ID = 0,
- TIMER_RUNNING = 1,
- TIMER_ONESHOT = 2,
- TIMER_LIMIT = 3,
- TIMER_VALUE = 4,
- TIMER_INT_ENABLE = 5,
- TIMER_INT_STATUS = 6,
- TIMER_FREQ = 7
-};
-
-typedef struct {
- SysBusDevice busdev;
- MemoryRegion iomem;
- ptimer_state *timer;
- int running;
- int oneshot;
- uint32_t limit;
- uint32_t freq;
- uint32_t int_level;
- uint32_t int_enabled;
- qemu_irq irq;
-} SyborgTimerState;
-
-static void syborg_timer_update(SyborgTimerState *s)
-{
- /* Update interrupt. */
- if (s->int_level && s->int_enabled) {
- qemu_irq_raise(s->irq);
- } else {
- qemu_irq_lower(s->irq);
- }
-}
-
-static void syborg_timer_tick(void *opaque)
-{
- SyborgTimerState *s = (SyborgTimerState *)opaque;
- //DPRINTF("Timer Tick\n");
- s->int_level = 1;
- if (s->oneshot)
- s->running = 0;
- syborg_timer_update(s);
-}
-
-static uint64_t syborg_timer_read(void *opaque, target_phys_addr_t offset,
- unsigned size)
-{
- SyborgTimerState *s = (SyborgTimerState *)opaque;
-
- DPRINTF("Reg read %d\n", (int)offset);
- offset &= 0xfff;
- switch (offset >> 2) {
- case TIMER_ID:
- return SYBORG_ID_TIMER;
- case TIMER_RUNNING:
- return s->running;
- case TIMER_ONESHOT:
- return s->oneshot;
- case TIMER_LIMIT:
- return s->limit;
- case TIMER_VALUE:
- return ptimer_get_count(s->timer);
- case TIMER_INT_ENABLE:
- return s->int_enabled;
- case TIMER_INT_STATUS:
- return s->int_level;
- case TIMER_FREQ:
- return s->freq;
- default:
- cpu_abort(cpu_single_env, "syborg_timer_read: Bad offset %x\n",
- (int)offset);
- return 0;
- }
-}
-
-static void syborg_timer_write(void *opaque, target_phys_addr_t offset,
- uint64_t value, unsigned size)
-{
- SyborgTimerState *s = (SyborgTimerState *)opaque;
-
- DPRINTF("Reg write %d\n", (int)offset);
- offset &= 0xfff;
- switch (offset >> 2) {
- case TIMER_RUNNING:
- if (value == s->running)
- break;
- s->running = value;
- if (value) {
- ptimer_run(s->timer, s->oneshot);
- } else {
- ptimer_stop(s->timer);
- }
- break;
- case TIMER_ONESHOT:
- if (s->running) {
- ptimer_stop(s->timer);
- }
- s->oneshot = value;
- if (s->running) {
- ptimer_run(s->timer, s->oneshot);
- }
- break;
- case TIMER_LIMIT:
- s->limit = value;
- ptimer_set_limit(s->timer, value, 1);
- break;
- case TIMER_VALUE:
- ptimer_set_count(s->timer, value);
- break;
- case TIMER_INT_ENABLE:
- s->int_enabled = value;
- syborg_timer_update(s);
- break;
- case TIMER_INT_STATUS:
- s->int_level &= ~value;
- syborg_timer_update(s);
- break;
- default:
- cpu_abort(cpu_single_env, "syborg_timer_write: Bad offset %x\n",
- (int)offset);
- break;
- }
-}
-
-static const MemoryRegionOps syborg_timer_ops = {
- .read = syborg_timer_read,
- .write = syborg_timer_write,
- .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static const VMStateDescription vmstate_syborg_timer = {
- .name = "syborg_timer",
- .version_id = 1,
- .minimum_version_id = 1,
- .minimum_version_id_old = 1,
- .fields = (VMStateField[]) {
- VMSTATE_INT32(running, SyborgTimerState),
- VMSTATE_INT32(oneshot, SyborgTimerState),
- VMSTATE_UINT32(limit, SyborgTimerState),
- VMSTATE_UINT32(int_level, SyborgTimerState),
- VMSTATE_UINT32(int_enabled, SyborgTimerState),
- VMSTATE_PTIMER(timer, SyborgTimerState),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static int syborg_timer_init(SysBusDevice *dev)
-{
- SyborgTimerState *s = FROM_SYSBUS(SyborgTimerState, dev);
- QEMUBH *bh;
-
- if (s->freq == 0) {
- fprintf(stderr, "syborg_timer: Zero/unset frequency\n");
- exit(1);
- }
- sysbus_init_irq(dev, &s->irq);
- memory_region_init_io(&s->iomem, &syborg_timer_ops, s, "timer", 0x1000);
- sysbus_init_mmio(dev, &s->iomem);
-
- bh = qemu_bh_new(syborg_timer_tick, s);
- s->timer = ptimer_init(bh);
- ptimer_set_freq(s->timer, s->freq);
- vmstate_register(&dev->qdev, -1, &vmstate_syborg_timer, s);
- return 0;
-}
-
-static SysBusDeviceInfo syborg_timer_info = {
- .init = syborg_timer_init,
- .qdev.name = "syborg,timer",
- .qdev.size = sizeof(SyborgTimerState),
- .qdev.props = (Property[]) {
- DEFINE_PROP_UINT32("frequency",SyborgTimerState, freq, 0),
- DEFINE_PROP_END_OF_LIST(),
- }
-};
-
-static void syborg_timer_register_devices(void)
-{
- sysbus_register_withprop(&syborg_timer_info);
-}
-
-device_init(syborg_timer_register_devices)
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-27 17:03:19 +0000