mirror of
https://github.com/dingusdev/dingusppc.git
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124 lines
3.9 KiB
C++
124 lines
3.9 KiB
C++
/*
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DingusPPC - The Experimental PowerPC Macintosh emulator
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Copyright (C) 2018-21 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 Construct a PDM-style PowerMacintosh machine.
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Author: Max Poliakovski
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*/
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#include <cpu/ppc/ppcemu.h>
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#include <devices/common/machineid.h>
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#include <devices/common/scsi/scsi.h>
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#include <devices/floppy/superdrive.h>
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#include <devices/ioctrl/amic.h>
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#include <devices/memctrl/hmc.h>
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#include <devices/sound/soundserver.h>
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#include <loguru.hpp>
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#include <machines/machinebase.h>
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#include <machines/machineproperties.h>
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#include <string>
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int create_pdm(std::string& id) {
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if (gMachineObj) {
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LOG_F(ERROR, "PDM Factory: global machine object not empty!");
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return -1;
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}
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LOG_F(INFO, "Initializing the %s hardware...", id.c_str());
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/* initialize the global machine object */
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gMachineObj.reset(new MachineBase("PDM"));
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/* register HMC memory controller */
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gMachineObj->add_component("HMC", new HMC);
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/* start the sound server. */
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gMachineObj->add_component("SoundServer", new SoundServer());
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/* register AMIC I/O controller */
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gMachineObj->add_component("AMIC", new AMIC);
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/* get raw pointer to HMC object */
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HMC* hmc_obj = dynamic_cast<HMC*>(gMachineObj->get_comp_by_name("HMC"));
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// allocate machine ID register and tell we're running PowerMac 6100
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// TODO: add a possibility to select another machine
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// to be used with the same ROM
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gMachineObj->add_component("MachineID", new NubusMacID(0x3010));
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hmc_obj->add_mmio_region(0x5FFFFFFC, 4,
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dynamic_cast<MMIODevice*>(gMachineObj->get_comp_by_name("MachineID")));
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/* allocate ROM region */
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if (!hmc_obj->add_rom_region(0x40000000, 0x400000)) {
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LOG_F(ERROR, "Could not allocate ROM region!\n");
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return -1;
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}
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/* mirror ROM to 0xFFC00000 for a PowerPC CPU to start */
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if (!hmc_obj->add_mem_mirror(0xFFC00000, 0x40000000)) {
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LOG_F(ERROR, "Could not create ROM mirror!\n");
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return -1;
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}
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/* add 8MB of soldered on-board RAM */
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if (!hmc_obj->add_ram_region(0x00000000, 0x800000)) {
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LOG_F(ERROR, "Could not allocate built-in RAM region!\n");
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return -1;
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}
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/* add internal SCSI bus */
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gMachineObj->add_component("SCSI0", new ScsiBus);
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/* Init virtual CPU and request MPC601 */
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ppc_cpu_init(hmc_obj, PPC_VER::MPC601, 7812500ULL);
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// post-initialize all devices
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if (gMachineObj->postinit_devices()) {
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LOG_F(ERROR, "Could not post-initialize devices!\n");
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return -1;
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}
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// if a floppy image was given "insert" it into the virtual superdrive
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std::string fd_image_path = GET_STR_PROP("fdd_img");
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std::string fd_write_prot = GET_STR_PROP("fdd_wr_prot");
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if (!fd_image_path.empty()) {
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using namespace MacSuperdrive;
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MacSuperDrive* fdd = dynamic_cast<MacSuperDrive*>
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(gMachineObj->get_comp_by_name("Superdrive"));
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bool write_flag = false;
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if (!fd_write_prot.empty()) {
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if ((fd_write_prot.compare("ON") == 0) || (fd_write_prot.compare("on") == 0)) {
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write_flag = true;
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}
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}
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fdd->insert_disk(fd_image_path, write_flag);
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}
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LOG_F(INFO, "Initialization completed.\n");
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return 0;
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}
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