summaryrefslogtreecommitdiffstats
path: root/qemu/hw/core/empty_slot.c
diff options
context:
space:
mode:
Diffstat (limited to 'qemu/hw/core/empty_slot.c')
-rw-r--r--qemu/hw/core/empty_slot.c103
1 files changed, 0 insertions, 103 deletions
diff --git a/qemu/hw/core/empty_slot.c b/qemu/hw/core/empty_slot.c
deleted file mode 100644
index c1b9c2b10..000000000
--- a/qemu/hw/core/empty_slot.c
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * QEMU Empty Slot
- *
- * The empty_slot device emulates known to a bus but not connected devices.
- *
- * Copyright (c) 2010 Artyom Tarasenko
- *
- * This code is licensed under the GNU GPL v2 or (at your option) any later
- * version.
- */
-
-#include "qemu/osdep.h"
-#include "hw/hw.h"
-#include "hw/sysbus.h"
-#include "hw/empty_slot.h"
-
-//#define DEBUG_EMPTY_SLOT
-
-#ifdef DEBUG_EMPTY_SLOT
-#define DPRINTF(fmt, ...) \
- do { printf("empty_slot: " fmt , ## __VA_ARGS__); } while (0)
-#else
-#define DPRINTF(fmt, ...) do {} while (0)
-#endif
-
-#define TYPE_EMPTY_SLOT "empty_slot"
-#define EMPTY_SLOT(obj) OBJECT_CHECK(EmptySlot, (obj), TYPE_EMPTY_SLOT)
-
-typedef struct EmptySlot {
- SysBusDevice parent_obj;
-
- MemoryRegion iomem;
- uint64_t size;
-} EmptySlot;
-
-static uint64_t empty_slot_read(void *opaque, hwaddr addr,
- unsigned size)
-{
- DPRINTF("read from " TARGET_FMT_plx "\n", addr);
- return 0;
-}
-
-static void empty_slot_write(void *opaque, hwaddr addr,
- uint64_t val, unsigned size)
-{
- DPRINTF("write 0x%x to " TARGET_FMT_plx "\n", (unsigned)val, addr);
-}
-
-static const MemoryRegionOps empty_slot_ops = {
- .read = empty_slot_read,
- .write = empty_slot_write,
- .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-void empty_slot_init(hwaddr addr, uint64_t slot_size)
-{
- if (slot_size > 0) {
- /* Only empty slots larger than 0 byte need handling. */
- DeviceState *dev;
- SysBusDevice *s;
- EmptySlot *e;
-
- dev = qdev_create(NULL, TYPE_EMPTY_SLOT);
- s = SYS_BUS_DEVICE(dev);
- e = EMPTY_SLOT(dev);
- e->size = slot_size;
-
- qdev_init_nofail(dev);
-
- sysbus_mmio_map(s, 0, addr);
- }
-}
-
-static int empty_slot_init1(SysBusDevice *dev)
-{
- EmptySlot *s = EMPTY_SLOT(dev);
-
- memory_region_init_io(&s->iomem, OBJECT(s), &empty_slot_ops, s,
- "empty-slot", s->size);
- sysbus_init_mmio(dev, &s->iomem);
- return 0;
-}
-
-static void empty_slot_class_init(ObjectClass *klass, void *data)
-{
- SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
-
- k->init = empty_slot_init1;
-}
-
-static const TypeInfo empty_slot_info = {
- .name = TYPE_EMPTY_SLOT,
- .parent = TYPE_SYS_BUS_DEVICE,
- .instance_size = sizeof(EmptySlot),
- .class_init = empty_slot_class_init,
-};
-
-static void empty_slot_register_types(void)
-{
- type_register_static(&empty_slot_info);
-}
-
-type_init(empty_slot_register_types)