* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
-#include "hw.h"
-#include "sun4m.h"
-/* debug CS4231 */
-//#define DEBUG_CS
+#include "sysbus.h"
+#include "trace.h"
/*
* In addition to Crystal CS4231 there is a DMA controller on Sparc.
#define CS_MAXDREG (CS_DREGS - 1)
typedef struct CSState {
+ SysBusDevice busdev;
+ MemoryRegion iomem;
+ qemu_irq irq;
uint32_t regs[CS_REGS];
uint8_t dregs[CS_DREGS];
- void *intctl;
} CSState;
#define CS_RAP(s) ((s)->regs[0] & CS_MAXDREG)
#define CS_VER 0xa0
#define CS_CDC_VER 0x8a
-#ifdef DEBUG_CS
-#define DPRINTF(fmt, ...) \
- do { printf("CS: " fmt , ## __VA_ARGS__); } while (0)
-#else
-#define DPRINTF(fmt, ...)
-#endif
-
-static void cs_reset(void *opaque)
+static void cs_reset(DeviceState *d)
{
- CSState *s = opaque;
+ CSState *s = container_of(d, CSState, busdev.qdev);
memset(s->regs, 0, CS_REGS * 4);
memset(s->dregs, 0, CS_DREGS);
s->dregs[25] = CS_VER;
}
-static uint32_t cs_mem_readl(void *opaque, target_phys_addr_t addr)
+static uint64_t cs_mem_read(void *opaque, target_phys_addr_t addr,
+ unsigned size)
{
CSState *s = opaque;
uint32_t saddr, ret;
ret = s->dregs[CS_RAP(s)];
break;
}
- DPRINTF("read dreg[%d]: 0x%8.8x\n", CS_RAP(s), ret);
+ trace_cs4231_mem_readl_dreg(CS_RAP(s), ret);
break;
default:
ret = s->regs[saddr];
- DPRINTF("read reg[%d]: 0x%8.8x\n", saddr, ret);
+ trace_cs4231_mem_readl_reg(saddr, ret);
break;
}
return ret;
}
-static void cs_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
+static void cs_mem_write(void *opaque, target_phys_addr_t addr,
+ uint64_t val, unsigned size)
{
CSState *s = opaque;
uint32_t saddr;
saddr = addr >> 2;
- DPRINTF("write reg[%d]: 0x%8.8x -> 0x%8.8x\n", saddr, s->regs[saddr], val);
+ trace_cs4231_mem_writel_reg(saddr, s->regs[saddr], val);
switch (saddr) {
case 1:
- DPRINTF("write dreg[%d]: 0x%2.2x -> 0x%2.2x\n", CS_RAP(s),
- s->dregs[CS_RAP(s)], val);
+ trace_cs4231_mem_writel_dreg(CS_RAP(s), s->dregs[CS_RAP(s)], val);
switch(CS_RAP(s)) {
case 11:
case 25: // Read only
case 2: // Read only
break;
case 4:
- if (val & 1)
- cs_reset(s);
+ if (val & 1) {
+ cs_reset(&s->busdev.qdev);
+ }
val &= 0x7f;
s->regs[saddr] = val;
break;
}
}
-static CPUReadMemoryFunc *cs_mem_read[3] = {
- cs_mem_readl,
- cs_mem_readl,
- cs_mem_readl,
+static const MemoryRegionOps cs_mem_ops = {
+ .read = cs_mem_read,
+ .write = cs_mem_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
};
-static CPUWriteMemoryFunc *cs_mem_write[3] = {
- cs_mem_writel,
- cs_mem_writel,
- cs_mem_writel,
+static const VMStateDescription vmstate_cs4231 = {
+ .name ="cs4231",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField []) {
+ VMSTATE_UINT32_ARRAY(regs, CSState, CS_REGS),
+ VMSTATE_UINT8_ARRAY(dregs, CSState, CS_DREGS),
+ VMSTATE_END_OF_LIST()
+ }
};
-static void cs_save(QEMUFile *f, void *opaque)
+static int cs4231_init1(SysBusDevice *dev)
{
- CSState *s = opaque;
- unsigned int i;
+ CSState *s = FROM_SYSBUS(CSState, dev);
- for (i = 0; i < CS_REGS; i++)
- qemu_put_be32s(f, &s->regs[i]);
+ memory_region_init_io(&s->iomem, &cs_mem_ops, s, "cs4321", CS_SIZE);
+ sysbus_init_mmio(dev, &s->iomem);
+ sysbus_init_irq(dev, &s->irq);
- qemu_put_buffer(f, s->dregs, CS_DREGS);
+ return 0;
}
-static int cs_load(QEMUFile *f, void *opaque, int version_id)
-{
- CSState *s = opaque;
- unsigned int i;
-
- if (version_id > 1)
- return -EINVAL;
+static Property cs4231_properties[] = {
+ {.name = NULL},
+};
- for (i = 0; i < CS_REGS; i++)
- qemu_get_be32s(f, &s->regs[i]);
+static void cs4231_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
- qemu_get_buffer(f, s->dregs, CS_DREGS);
- return 0;
+ k->init = cs4231_init1;
+ dc->reset = cs_reset;
+ dc->vmsd = &vmstate_cs4231;
+ dc->props = cs4231_properties;
}
-void cs_init(target_phys_addr_t base, int irq, void *intctl)
-{
- int cs_io_memory;
- CSState *s;
-
- s = qemu_mallocz(sizeof(CSState));
+static TypeInfo cs4231_info = {
+ .name = "SUNW,CS4231",
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(CSState),
+ .class_init = cs4231_class_init,
+};
- cs_io_memory = cpu_register_io_memory(0, cs_mem_read, cs_mem_write, s);
- cpu_register_physical_memory(base, CS_SIZE, cs_io_memory);
- register_savevm("cs4231", base, 1, cs_save, cs_load, s);
- qemu_register_reset(cs_reset, 0, s);
- cs_reset(s);
+static void cs4231_register_types(void)
+{
+ type_register_static(&cs4231_info);
}
+
+type_init(cs4231_register_types)