*
*
* Specification available at:
- * http://www.milkymist.org/socdoc/pfpu.pdf
+ * http://milkymist.walle.cc/socdoc/pfpu.pdf
*
*/
-#include "hw/hw.h"
+#include "qemu/osdep.h"
+#include "hw/irq.h"
#include "hw/sysbus.h"
+#include "migration/vmstate.h"
#include "trace.h"
#include "qemu/log.h"
+#include "qemu/module.h"
#include "qemu/error-report.h"
#include <math.h>
+#include "qom/object.h"
/* #define TRACE_EXEC */
};
#endif
+#define TYPE_MILKYMIST_PFPU "milkymist-pfpu"
+typedef struct MilkymistPFPUState MilkymistPFPUState;
+DECLARE_INSTANCE_CHECKER(MilkymistPFPUState, MILKYMIST_PFPU,
+ TYPE_MILKYMIST_PFPU)
+
struct MilkymistPFPUState {
- SysBusDevice busdev;
+ SysBusDevice parent_obj;
+
MemoryRegion regs_region;
- CharDriverState *chr;
+ Chardev *chr;
qemu_irq irq;
uint32_t regs[R_MAX];
int output_queue_pos;
uint32_t output_queue[MAX_LATENCY];
};
-typedef struct MilkymistPFPUState MilkymistPFPUState;
-static inline hwaddr
+static inline uint32_t
get_dma_address(uint32_t base, uint32_t x, uint32_t y)
{
return base + 8 * (128 * y + x);
i = 0;
while (pfpu_decode_insn(s)) {
/* decode at most MICROCODE_WORDS instructions */
- if (i++ >= MICROCODE_WORDS) {
+ if (++i >= MICROCODE_WORDS) {
error_report("milkymist_pfpu: too many instructions "
"executed in microcode. No VECTOUT?");
break;
static void milkymist_pfpu_reset(DeviceState *d)
{
- MilkymistPFPUState *s = container_of(d, MilkymistPFPUState, busdev.qdev);
+ MilkymistPFPUState *s = MILKYMIST_PFPU(d);
int i;
for (i = 0; i < R_MAX; i++) {
}
}
-static int milkymist_pfpu_init(SysBusDevice *dev)
+static void milkymist_pfpu_realize(DeviceState *dev, Error **errp)
{
- MilkymistPFPUState *s = FROM_SYSBUS(typeof(*s), dev);
+ MilkymistPFPUState *s = MILKYMIST_PFPU(dev);
+ SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
- sysbus_init_irq(dev, &s->irq);
+ sysbus_init_irq(sbd, &s->irq);
memory_region_init_io(&s->regs_region, OBJECT(dev), &pfpu_mmio_ops, s,
"milkymist-pfpu", MICROCODE_END * 4);
- sysbus_init_mmio(dev, &s->regs_region);
-
- return 0;
+ sysbus_init_mmio(sbd, &s->regs_region);
}
static const VMStateDescription vmstate_milkymist_pfpu = {
.name = "milkymist-pfpu",
.version_id = 1,
.minimum_version_id = 1,
- .minimum_version_id_old = 1,
- .fields = (VMStateField[]) {
+ .fields = (VMStateField[]) {
VMSTATE_UINT32_ARRAY(regs, MilkymistPFPUState, R_MAX),
VMSTATE_UINT32_ARRAY(gp_regs, MilkymistPFPUState, 128),
VMSTATE_UINT32_ARRAY(microcode, MilkymistPFPUState, MICROCODE_WORDS),
static void milkymist_pfpu_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
- SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
- k->init = milkymist_pfpu_init;
+ dc->realize = milkymist_pfpu_realize;
dc->reset = milkymist_pfpu_reset;
dc->vmsd = &vmstate_milkymist_pfpu;
}
static const TypeInfo milkymist_pfpu_info = {
- .name = "milkymist-pfpu",
+ .name = TYPE_MILKYMIST_PFPU,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(MilkymistPFPUState),
.class_init = milkymist_pfpu_class_init,