historical/m0-applesillicon.git/xnu-qemu-arm64-5.1.0/include/hw/nubus/nubus.h
2024-01-16 11:20:27 -06:00

69 lines
1.5 KiB
C

/*
* Copyright (c) 2013-2018 Laurent Vivier <laurent@vivier.eu>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*
*/
#ifndef HW_NUBUS_NUBUS_H
#define HW_NUBUS_NUBUS_H
#include "hw/qdev-properties.h"
#include "exec/address-spaces.h"
#define NUBUS_SUPER_SLOT_SIZE 0x10000000U
#define NUBUS_SUPER_SLOT_NB 0x9
#define NUBUS_SLOT_SIZE 0x01000000
#define NUBUS_SLOT_NB 0xF
#define NUBUS_FIRST_SLOT 0x9
#define NUBUS_LAST_SLOT 0xF
#define TYPE_NUBUS_DEVICE "nubus-device"
#define NUBUS_DEVICE(obj) \
OBJECT_CHECK(NubusDevice, (obj), TYPE_NUBUS_DEVICE)
#define TYPE_NUBUS_BUS "nubus-bus"
#define NUBUS_BUS(obj) OBJECT_CHECK(NubusBus, (obj), TYPE_NUBUS_BUS)
#define TYPE_NUBUS_BRIDGE "nubus-bridge"
#define NUBUS_BRIDGE(obj) OBJECT_CHECK(NubusBridge, (obj), TYPE_NUBUS_BRIDGE)
typedef struct NubusBus {
BusState qbus;
MemoryRegion super_slot_io;
MemoryRegion slot_io;
int current_slot;
} NubusBus;
typedef struct NubusDevice {
DeviceState qdev;
int slot_nb;
MemoryRegion slot_mem;
/* Format Block */
MemoryRegion fblock_io;
uint32_t rom_length;
uint32_t rom_crc;
uint8_t rom_rev;
uint8_t rom_format;
uint8_t byte_lanes;
int32_t directory_offset;
/* ROM */
MemoryRegion rom_io;
const uint8_t *rom;
} NubusDevice;
void nubus_register_rom(NubusDevice *dev, const uint8_t *rom, uint32_t size,
int revision, int format, uint8_t byte_lanes);
#endif