hw/ppc/mac.h

   1 /*
   2  * QEMU PowerMac emulation shared definitions and prototypes
   3  *
   4  * Copyright (c) 2004-2007 Fabrice Bellard
   5  * Copyright (c) 2007 Jocelyn Mayer
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a copy
   8  * of this software and associated documentation files (the "Software"), to deal
   9  * in the Software without restriction, including without limitation the rights
  10  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11  * copies of the Software, and to permit persons to whom the Software is
  12  * furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included in
  15  * all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  23  * THE SOFTWARE.
  24  */
  25
  26 #ifndef PPC_MAC_H
  27 #define PPC_MAC_H
  28
  29 #include "exec/memory.h"
  30 #include "hw/sysbus.h"
  31 #include "hw/ide/internal.h"
  32 #include "hw/input/adb.h"
  33
  34 /* SMP is not enabled, for now */
  35 #define MAX_CPUS 1
  36
  37 #define BIOS_SIZE     (1024 * 1024)
  38 #define NVRAM_SIZE        0x2000
  39 #define PROM_FILENAME    "openbios-ppc"
  40 #define PROM_ADDR         0xfff00000
  41
  42 #define KERNEL_LOAD_ADDR 0x01000000
  43 #define KERNEL_GAP       0x00100000
  44
  45 #define ESCC_CLOCK 3686400
  46
  47 /* Cuda */
  48 #define TYPE_CUDA "cuda"
  49 #define CUDA(obj) OBJECT_CHECK(CUDAState, (obj), TYPE_CUDA)
  50
  51 /**
  52  * CUDATimer:
  53  * @counter_value: counter value at load time
  54  */
  55 typedef struct CUDATimer {
  56     int index;
  57     uint16_t latch;
  58     uint16_t counter_value;
  59     int64_t load_time;
  60     int64_t next_irq_time;
  61     uint64_t frequency;
  62     QEMUTimer *timer;
  63 } CUDATimer;
  64
  65 /**
  66  * CUDAState:
  67  * @b: B-side data
  68  * @a: A-side data
  69  * @dirb: B-side direction (1=output)
  70  * @dira: A-side direction (1=output)
  71  * @sr: Shift register
  72  * @acr: Auxiliary control register
  73  * @pcr: Peripheral control register
  74  * @ifr: Interrupt flag register
  75  * @ier: Interrupt enable register
  76  * @anh: A-side data, no handshake
  77  * @last_b: last value of B register
  78  * @last_acr: last value of ACR register
  79  */
  80 typedef struct CUDAState {
  81     /*< private >*/
  82     SysBusDevice parent_obj;
  83     /*< public >*/
  84
  85     MemoryRegion mem;
  86     /* cuda registers */
  87     uint8_t b;
  88     uint8_t a;
  89     uint8_t dirb;
  90     uint8_t dira;
  91     uint8_t sr;
  92     uint8_t acr;
  93     uint8_t pcr;
  94     uint8_t ifr;
  95     uint8_t ier;
  96     uint8_t anh;
  97
  98     ADBBusState adb_bus;
  99     CUDATimer timers[2];
 100
 101     uint32_t tick_offset;
 102     uint64_t frequency;
 103
 104     uint8_t last_b;
 105     uint8_t last_acr;
 106
 107     /* MacOS 9 is racy and requires a delay upon setting the SR_INT bit */
 108     QEMUTimer *sr_delay_timer;
 109
 110     int data_in_size;
 111     int data_in_index;
 112     int data_out_index;
 113
 114     qemu_irq irq;
 115     uint16_t adb_poll_mask;
 116     uint8_t autopoll_rate_ms;
 117     uint8_t autopoll;
 118     uint8_t data_in[128];
 119     uint8_t data_out[16];
 120     QEMUTimer *adb_poll_timer;
 121 } CUDAState;
 122
 123 /* MacIO */
 124 #define TYPE_OLDWORLD_MACIO "macio-oldworld"
 125 #define TYPE_NEWWORLD_MACIO "macio-newworld"
 126
 127 #define TYPE_MACIO_IDE "macio-ide"
 128 #define MACIO_IDE(obj) OBJECT_CHECK(MACIOIDEState, (obj), TYPE_MACIO_IDE)
 129
 130 typedef struct MACIOIDEState {
 131     /*< private >*/
 132     SysBusDevice parent_obj;
 133     /*< public >*/
 134
 135     qemu_irq irq;
 136     qemu_irq dma_irq;
 137
 138     MemoryRegion mem;
 139     IDEBus bus;
 140     IDEDMA dma;
 141     void *dbdma;
 142     bool dma_active;
 143 } MACIOIDEState;
 144
 145 void macio_ide_init_drives(MACIOIDEState *ide, DriveInfo **hd_table);
 146 void macio_ide_register_dma(MACIOIDEState *ide, void *dbdma, int channel);
 147
 148 void macio_init(PCIDevice *dev,
 149                 MemoryRegion *pic_mem,
 150                 MemoryRegion *escc_mem);
 151
 152 /* Heathrow PIC */
 153 qemu_irq *heathrow_pic_init(MemoryRegion **pmem,
 154                             int nb_cpus, qemu_irq **irqs);
 155
 156 /* Grackle PCI */
 157 #define TYPE_GRACKLE_PCI_HOST_BRIDGE "grackle-pcihost"
 158 PCIBus *pci_grackle_init(uint32_t base, qemu_irq *pic,
 159                          MemoryRegion *address_space_mem,
 160                          MemoryRegion *address_space_io);
 161
 162 /* UniNorth PCI */
 163 PCIBus *pci_pmac_init(qemu_irq *pic,
 164                       MemoryRegion *address_space_mem,
 165                       MemoryRegion *address_space_io);
 166 PCIBus *pci_pmac_u3_init(qemu_irq *pic,
 167                          MemoryRegion *address_space_mem,
 168                          MemoryRegion *address_space_io);
 169
 170 /* Mac NVRAM */
 171 #define TYPE_MACIO_NVRAM "macio-nvram"
 172 #define MACIO_NVRAM(obj) \
 173     OBJECT_CHECK(MacIONVRAMState, (obj), TYPE_MACIO_NVRAM)
 174
 175 typedef struct MacIONVRAMState {
 176     /*< private >*/
 177     SysBusDevice parent_obj;
 178     /*< public >*/
 179
 180     uint32_t size;
 181     uint32_t it_shift;
 182
 183     MemoryRegion mem;
 184     uint8_t *data;
 185 } MacIONVRAMState;
 186
 187 void pmac_format_nvram_partition (MacIONVRAMState *nvr, int len);
 188 #endif /* PPC_MAC_H */