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