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/*
* QEMU PowerMac emulation shared definitions and prototypes
*
* Copyright (c) 2004-2007 Fabrice Bellard
* Copyright (c) 2007 Jocelyn Mayer
*
* 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.
*/
#ifndef PPC_MAC_H
#define PPC_MAC_H
#include "exec/memory.h"
#include "hw/sysbus.h"
#include "hw/ide/internal.h"
#include "hw/input/adb.h"
/* SMP is not enabled, for now */
#define MAX_CPUS 1
#define BIOS_SIZE (1024 * 1024)
#define NVRAM_SIZE 0x2000
#define PROM_FILENAME "openbios-ppc"
#define PROM_ADDR 0xfff00000
#define KERNEL_LOAD_ADDR 0x01000000
#define KERNEL_GAP 0x00100000
#define ESCC_CLOCK 3686400
/* Cuda */
#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;
uint64_t frequency;
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;
ADBBusState adb_bus;
CUDATimer timers[2];
uint32_t tick_offset;
uint64_t frequency;
uint8_t last_b;
uint8_t last_acr;
/* MacOS 9 is racy and requires a delay upon setting the SR_INT bit */
QEMUTimer *sr_delay_timer;
int data_in_size;
int data_in_index;
int data_out_index;
qemu_irq irq;
uint16_t adb_poll_mask;
uint8_t autopoll_rate_ms;
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"
#define TYPE_NEWWORLD_MACIO "macio-newworld"
#define TYPE_MACIO_IDE "macio-ide"
#define MACIO_IDE(obj) OBJECT_CHECK(MACIOIDEState, (obj), TYPE_MACIO_IDE)
typedef struct MACIOIDEState {
/*< private >*/
SysBusDevice parent_obj;
/*< public >*/
qemu_irq real_ide_irq;
qemu_irq real_dma_irq;
qemu_irq ide_irq;
qemu_irq dma_irq;
MemoryRegion mem;
IDEBus bus;
IDEDMA dma;
void *dbdma;
bool dma_active;
uint32_t timing_reg;
uint32_t irq_reg;
} MACIOIDEState;
void macio_ide_init_drives(MACIOIDEState *ide, DriveInfo **hd_table);
void macio_ide_register_dma(MACIOIDEState *ide, void *dbdma, int channel);
void macio_init(PCIDevice *dev,
MemoryRegion *pic_mem,
MemoryRegion *escc_mem);
/* Heathrow PIC */
qemu_irq *heathrow_pic_init(MemoryRegion **pmem,
int nb_cpus, qemu_irq **irqs);
/* Grackle PCI */
#define TYPE_GRACKLE_PCI_HOST_BRIDGE "grackle-pcihost"
PCIBus *pci_grackle_init(uint32_t base, qemu_irq *pic,
MemoryRegion *address_space_mem,
MemoryRegion *address_space_io);
/* UniNorth PCI */
PCIBus *pci_pmac_init(qemu_irq *pic,
MemoryRegion *address_space_mem,
MemoryRegion *address_space_io);
PCIBus *pci_pmac_u3_init(qemu_irq *pic,
MemoryRegion *address_space_mem,
MemoryRegion *address_space_io);
/* Mac NVRAM */
#define TYPE_MACIO_NVRAM "macio-nvram"
#define MACIO_NVRAM(obj) \
OBJECT_CHECK(MacIONVRAMState, (obj), TYPE_MACIO_NVRAM)
typedef struct MacIONVRAMState {
/*< private >*/
SysBusDevice parent_obj;
/*< public >*/
uint32_t size;
uint32_t it_shift;
MemoryRegion mem;
uint8_t *data;
} MacIONVRAMState;
void pmac_format_nvram_partition (MacIONVRAMState *nvr, int len);
#endif /* PPC_MAC_H */
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