cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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mac-nubus-bridge.c (1998B)

      1/*
      2 * QEMU Macintosh Nubus
      3 *
      4 * Copyright (c) 2013-2018 Laurent Vivier <laurent@vivier.eu>
      5 *
      6 * This work is licensed under the terms of the GNU GPL, version 2 or later.
      7 * See the COPYING file in the top-level directory.
      8 *
      9 */
     10
     11#include "qemu/osdep.h"
     12#include "hw/sysbus.h"
     13#include "hw/nubus/mac-nubus-bridge.h"
     14
     15
     16static void mac_nubus_bridge_init(Object *obj)
     17{
     18    MacNubusBridge *s = MAC_NUBUS_BRIDGE(obj);
     19    NubusBridge *nb = NUBUS_BRIDGE(obj);
     20    SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
     21    NubusBus *bus = &nb->bus;
     22
     23    /* Macintosh only has slots 0x9 to 0xe available */
     24    bus->slot_available_mask = MAKE_64BIT_MASK(MAC_NUBUS_FIRST_SLOT,
     25                                               MAC_NUBUS_SLOT_NB);
     26
     27    /* Aliases for slots 0x9 to 0xe */
     28    memory_region_init_alias(&s->super_slot_alias, obj, "super-slot-alias",
     29                             &bus->nubus_mr,
     30                             MAC_NUBUS_FIRST_SLOT * NUBUS_SUPER_SLOT_SIZE,
     31                             MAC_NUBUS_SLOT_NB * NUBUS_SUPER_SLOT_SIZE);
     32
     33    memory_region_init_alias(&s->slot_alias, obj, "slot-alias",
     34                             &bus->nubus_mr,
     35                             NUBUS_SLOT_BASE +
     36                             MAC_NUBUS_FIRST_SLOT * NUBUS_SLOT_SIZE,
     37                             MAC_NUBUS_SLOT_NB * NUBUS_SLOT_SIZE);
     38
     39    sysbus_init_mmio(sbd, &s->super_slot_alias);
     40    sysbus_init_mmio(sbd, &s->slot_alias);
     41}
     42
     43static void mac_nubus_bridge_class_init(ObjectClass *klass, void *data)
     44{
     45    DeviceClass *dc = DEVICE_CLASS(klass);
     46
     47    dc->desc = "Nubus bridge";
     48}
     49
     50static const TypeInfo mac_nubus_bridge_info = {
     51    .name          = TYPE_MAC_NUBUS_BRIDGE,
     52    .parent        = TYPE_NUBUS_BRIDGE,
     53    .instance_init = mac_nubus_bridge_init,
     54    .instance_size = sizeof(MacNubusBridge),
     55    .class_init    = mac_nubus_bridge_class_init,
     56};
     57
     58static void mac_nubus_bridge_register_types(void)
     59{
     60    type_register_static(&mac_nubus_bridge_info);
     61}
     62
     63type_init(mac_nubus_bridge_register_types)