127 lines
4.3 KiB
C++
127 lines
4.3 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 Constructs a Catalyst (Power Macintosh 7200) machine. */
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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/pci/pcidevice.h>
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#include <devices/common/pci/pcihost.h>
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#include <devices/common/scsi/scsicdrom.h>
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#include <devices/common/scsi/scsihd.h>
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#include <devices/memctrl/platinum.h>
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#include <loguru.hpp>
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#include <machines/machinebase.h>
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#include <machines/machinefactory.h>
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#include <machines/machineproperties.h>
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#include <memctrl/memctrlbase.h>
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#include <string>
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int initialize_catalyst(std::string& id)
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{
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LOG_F(INFO, "Building machine Catalyst...");
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PlatinumCtrl* platinum_obj;
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PCIHost *pci_host = dynamic_cast<PCIHost*>(gMachineObj->get_comp_by_name("Bandit1"));
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// get (raw) pointer to the I/O controller
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GrandCentral* gc_obj = dynamic_cast<GrandCentral*>(gMachineObj->get_comp_by_name("GrandCentral"));
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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), gc_obj);
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// attach IOBus Device #1 0xF301A000
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gMachineObj->add_device("BoardReg1", std::unique_ptr<BoardRegister>(
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new BoardRegister("Board Register 1",
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0x3F | // pull up all PRSNT bits
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((GET_BIN_PROP("emmo") ^ 1) << 8) | // factory tests (active low)
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(0 << 11) | // 2-bit box ID
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0xE000U // pull up unused bits
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)));
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gc_obj->attach_iodevice(0, dynamic_cast<BoardRegister*>(gMachineObj->get_comp_by_name("BoardReg1")));
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// get (raw) pointer to the memory controller
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platinum_obj = dynamic_cast<PlatinumCtrl*>(gMachineObj->get_comp_by_name("Platinum"));
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// allocate ROM region
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if (!platinum_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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// plug 8MB RAM DIMM into slot #0
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platinum_obj->insert_ram_dimm(0, DRAM_CAP_8MB);
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// allocate and map physical RAM
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platinum_obj->map_phys_ram();
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std::string cpu = GET_STR_PROP("cpu");
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if (cpu == "601") {
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// init virtual CPU and request MPC601
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ppc_cpu_init(platinum_obj, PPC_VER::MPC601, true, 7833600ULL);
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}
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else if (cpu == "750") {
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// configure CPU clocks
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uint64_t bus_freq = 50000000ULL;
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uint64_t timebase_freq = bus_freq / 4;
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// initialize virtual CPU and request MPC750 CPU aka G3
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ppc_cpu_init(platinum_obj, PPC_VER::MPC750, false, timebase_freq);
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// set CPU PLL ratio to 3.5
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ppc_state.spr[SPR::HID1] = 0xE << 28;
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}
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return 0;
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}
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static const PropMap pm7200_settings = {
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{"rambank1_size",
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new IntProperty(16, vector<uint32_t>({4, 8, 16, 32, 64, 128}))},
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{"rambank2_size",
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new IntProperty( 0, vector<uint32_t>({0, 4, 8, 16, 32, 64, 128}))},
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{"rambank3_size",
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new IntProperty( 0, vector<uint32_t>({0, 4, 8, 16, 32, 64, 128}))},
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{"rambank4_size",
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new IntProperty( 0, vector<uint32_t>({0, 4, 8, 16, 32, 64, 128}))},
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{"emmo",
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new BinProperty(0)},
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{"cpu",
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new StrProperty("601", vector<std::string>({"601", "750"}))},
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};
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static vector<string> pm7200_devices = {
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"Platinum", "Bandit1", "GrandCentral"
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};
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static const MachineDescription pm7200_descriptor = {
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.name = "pm7200",
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.description = "Power Macintosh 7200",
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.devices = pm7200_devices,
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.settings = pm7200_settings,
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.init_func = &initialize_catalyst
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};
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REGISTER_MACHINE(pm7200, pm7200_descriptor);
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