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-rw-r--r--hw/ppc/mac.h68
1 files changed, 66 insertions, 2 deletions
diff --git a/hw/ppc/mac.h b/hw/ppc/mac.h
index 3e390d3..26cb497 100644
--- a/hw/ppc/mac.h
+++ b/hw/ppc/mac.h
@@ -44,7 +44,72 @@
#define ESCC_CLOCK 3686400
/* Cuda */
-void cuda_init (MemoryRegion **cuda_mem, qemu_irq irq);
+#define TYPE_CUDA "cuda"
+#define CUDA(obj) OBJECT_CHECK(CUDAState, (obj), TYPE_CUDA)
+
+/**
+ * CUDATimer:
+ * @counter_value: counter value at load time
+ */
+typedef struct CUDATimer {
+ int index;
+ uint16_t latch;
+ uint16_t counter_value;
+ int64_t load_time;
+ int64_t next_irq_time;
+ QEMUTimer *timer;
+} CUDATimer;
+
+/**
+ * CUDAState:
+ * @b: B-side data
+ * @a: A-side data
+ * @dirb: B-side direction (1=output)
+ * @dira: A-side direction (1=output)
+ * @sr: Shift register
+ * @acr: Auxiliary control register
+ * @pcr: Peripheral control register
+ * @ifr: Interrupt flag register
+ * @ier: Interrupt enable register
+ * @anh: A-side data, no handshake
+ * @last_b: last value of B register
+ * @last_acr: last value of ACR register
+ */
+typedef struct CUDAState {
+ /*< private >*/
+ SysBusDevice parent_obj;
+ /*< public >*/
+
+ MemoryRegion mem;
+ /* cuda registers */
+ uint8_t b;
+ uint8_t a;
+ uint8_t dirb;
+ uint8_t dira;
+ uint8_t sr;
+ uint8_t acr;
+ uint8_t pcr;
+ uint8_t ifr;
+ uint8_t ier;
+ uint8_t anh;
+
+ CUDATimer timers[2];
+
+ uint32_t tick_offset;
+
+ uint8_t last_b;
+ uint8_t last_acr;
+
+ int data_in_size;
+ int data_in_index;
+ int data_out_index;
+
+ qemu_irq irq;
+ uint8_t autopoll;
+ uint8_t data_in[128];
+ uint8_t data_out[16];
+ QEMUTimer *adb_poll_timer;
+} CUDAState;
/* MacIO */
#define TYPE_OLDWORLD_MACIO "macio-oldworld"
@@ -71,7 +136,6 @@ void macio_ide_register_dma(MACIOIDEState *ide, void *dbdma, int channel);
void macio_init(PCIDevice *dev,
MemoryRegion *pic_mem,
- MemoryRegion *cuda_mem,
MemoryRegion *escc_mem);
/* Heathrow PIC */