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-rw-r--r--hw/syborg_rtc.c134
1 files changed, 0 insertions, 134 deletions
diff --git a/hw/syborg_rtc.c b/hw/syborg_rtc.c
deleted file mode 100644
index b5f34798b6..0000000000
--- a/hw/syborg_rtc.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- * Syborg RTC
- *
- * 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"
-
-enum {
- RTC_ID = 0,
- RTC_LATCH = 1,
- RTC_DATA_LOW = 2,
- RTC_DATA_HIGH = 3
-};
-
-typedef struct {
- SysBusDevice busdev;
- MemoryRegion iomem;
- int64_t offset;
- int64_t data;
- qemu_irq irq;
-} SyborgRTCState;
-
-static uint64_t syborg_rtc_read(void *opaque, target_phys_addr_t offset,
- unsigned size)
-{
- SyborgRTCState *s = (SyborgRTCState *)opaque;
- offset &= 0xfff;
- switch (offset >> 2) {
- case RTC_ID:
- return SYBORG_ID_RTC;
- case RTC_DATA_LOW:
- return (uint32_t)s->data;
- case RTC_DATA_HIGH:
- return (uint32_t)(s->data >> 32);
- default:
- cpu_abort(cpu_single_env, "syborg_rtc_read: Bad offset %x\n",
- (int)offset);
- return 0;
- }
-}
-
-static void syborg_rtc_write(void *opaque, target_phys_addr_t offset,
- uint64_t value, unsigned size)
-{
- SyborgRTCState *s = (SyborgRTCState *)opaque;
- uint64_t now;
-
- offset &= 0xfff;
- switch (offset >> 2) {
- case RTC_LATCH:
- now = qemu_get_clock_ns(vm_clock);
- if (value >= 4) {
- s->offset = s->data - now;
- } else {
- s->data = now + s->offset;
- while (value) {
- s->data /= 1000;
- value--;
- }
- }
- break;
- case RTC_DATA_LOW:
- s->data = (s->data & ~(uint64_t)0xffffffffu) | value;
- break;
- case RTC_DATA_HIGH:
- s->data = (s->data & 0xffffffffu) | ((uint64_t)value << 32);
- break;
- default:
- cpu_abort(cpu_single_env, "syborg_rtc_write: Bad offset %x\n",
- (int)offset);
- break;
- }
-}
-
-static const MemoryRegionOps syborg_rtc_ops = {
- .read = syborg_rtc_read,
- .write = syborg_rtc_write,
- .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static const VMStateDescription vmstate_syborg_rtc = {
- .name = "syborg_keyboard",
- .version_id = 1,
- .minimum_version_id = 1,
- .minimum_version_id_old = 1,
- .fields = (VMStateField[]) {
- VMSTATE_INT64(offset, SyborgRTCState),
- VMSTATE_INT64(data, SyborgRTCState),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static int syborg_rtc_init(SysBusDevice *dev)
-{
- SyborgRTCState *s = FROM_SYSBUS(SyborgRTCState, dev);
- struct tm tm;
-
- memory_region_init_io(&s->iomem, &syborg_rtc_ops, s, "rtc", 0x1000);
- sysbus_init_mmio(dev, &s->iomem);
-
- qemu_get_timedate(&tm, 0);
- s->offset = (uint64_t)mktime(&tm) * 1000000000;
-
- vmstate_register(&dev->qdev, -1, &vmstate_syborg_rtc, s);
- return 0;
-}
-
-static void syborg_rtc_register_devices(void)
-{
- sysbus_register_dev("syborg,rtc", sizeof(SyborgRTCState), syborg_rtc_init);
-}
-
-device_init(syborg_rtc_register_devices)