blob: fee79b71d1606ebc52c7b955964d8330bb0704c0 [file] [log] [blame]
/*
* 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 "hw/sysbus.h"
#include "exec/address-spaces.h"
#include "qom/object.h"
#include "qemu/units.h"
#define NUBUS_SUPER_SLOT_SIZE 0x10000000U
#define NUBUS_SUPER_SLOT_NB 0xe
#define NUBUS_SLOT_BASE (NUBUS_SUPER_SLOT_SIZE * \
(NUBUS_SUPER_SLOT_NB + 1))
#define NUBUS_SLOT_SIZE 0x01000000
#define NUBUS_FIRST_SLOT 0x0
#define NUBUS_LAST_SLOT 0xf
#define NUBUS_SLOT_NB (NUBUS_LAST_SLOT - NUBUS_FIRST_SLOT + 1)
#define NUBUS_IRQS 16
#define TYPE_NUBUS_DEVICE "nubus-device"
OBJECT_DECLARE_SIMPLE_TYPE(NubusDevice, NUBUS_DEVICE)
#define TYPE_NUBUS_BUS "nubus-bus"
OBJECT_DECLARE_SIMPLE_TYPE(NubusBus, NUBUS_BUS)
#define TYPE_NUBUS_BRIDGE "nubus-bridge"
OBJECT_DECLARE_SIMPLE_TYPE(NubusBridge, NUBUS_BRIDGE);
struct NubusBus {
BusState qbus;
AddressSpace nubus_as;
MemoryRegion nubus_mr;
MemoryRegion super_slot_io;
MemoryRegion slot_io;
uint16_t slot_available_mask;
qemu_irq irqs[NUBUS_IRQS];
};
#define NUBUS_DECL_ROM_MAX_SIZE (1 * MiB)
struct NubusDevice {
DeviceState qdev;
int32_t slot;
MemoryRegion super_slot_mem;
MemoryRegion slot_mem;
char *romfile;
MemoryRegion decl_rom;
};
void nubus_set_irq(NubusDevice *nd, int level);
struct NubusBridge {
SysBusDevice parent_obj;
NubusBus bus;
};
#endif