dingusppc/machines/machinepippin.cpp
2024-04-22 00:15:29 +02:00

92 lines
3.1 KiB
C++

/*
DingusPPC - The Experimental PowerPC Macintosh emulator
Copyright (C) 2018-24 divingkatae and maximum
(theweirdo) spatium
(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
/** @file Bandai/Atmark Pippin emulation. */
/**
Kudos to Keith Kaisershot @ blitter.net for his precious technical help!
*/
#include <cpu/ppc/ppcemu.h>
#include <devices/common/pci/pcihost.h>
#include <devices/ioctrl/macio.h>
#include <devices/memctrl/aspen.h>
#include <machines/machinebase.h>
#include <machines/machinefactory.h>
#include <loguru.hpp>
int initialize_pippin(std::string& id) {
LOG_F(INFO, "Building machine Pippin...");
PCIHost *pci_host = dynamic_cast<PCIHost*>(gMachineObj->get_comp_by_name("AspenPci1"));
// connect GrandCentral I/O controller to the PCI1 bus
pci_host->pci_register_device(DEV_FUN(0x10,0),
dynamic_cast<GrandCentral*>(gMachineObj->get_comp_by_name("GrandCentral")));
// get (raw) pointer to the memory controller
AspenCtrl* aspen_obj = dynamic_cast<AspenCtrl*>(gMachineObj->get_comp_by_name("Aspen"));
// allocate ROM region
if (!aspen_obj->add_rom_region(0xFFC00000, 0x400000)) {
LOG_F(ERROR, "Could not allocate ROM region!");
return -1;
}
// configure RAM
aspen_obj->insert_ram_dimm(0, GET_INT_PROP("rambank1_size")); // soldered onboard RAM
aspen_obj->insert_ram_dimm(1, GET_INT_PROP("rambank2_size")); // soldered onboard RAM
aspen_obj->insert_ram_dimm(2, GET_INT_PROP("rambank3_size")); // RAM expansion slot
aspen_obj->insert_ram_dimm(3, GET_INT_PROP("rambank4_size")); // RAM expansion slot
// init virtual CPU
ppc_cpu_init(aspen_obj, PPC_VER::MPC603, false, 16500000ULL);
return 0;
}
static const PropMap Pippin_Settings = {
{"rambank1_size",
new IntProperty(4, vector<uint32_t>({4}))}, // fixed size
{"rambank2_size",
new IntProperty(1, vector<uint32_t>({1}))}, // fixed size
{"rambank3_size",
new IntProperty(0, vector<uint32_t>({0, 1, 4, 8, 16}))},
{"rambank4_size",
new IntProperty(0, vector<uint32_t>({0, 1, 4, 8, 16}))},
{"emmo",
new BinProperty(0)},
};
static vector<string> Pippin_Devices = {
"Aspen", "AspenPci1", "ScsiMesh", "MeshTnt", "GrandCentral", "TaosVideo"
};
static const MachineDescription Pippin_Descriptor = {
.name = "pippin",
.description = "Bandai Pippin",
.devices = Pippin_Devices,
.settings = Pippin_Settings,
.init_func = &initialize_pippin
};
REGISTER_MACHINE(pippin, Pippin_Descriptor);