mirror of
https://github.com/dingusdev/dingusppc.git
synced 2026-10-25 17:02:23 +00:00
Maxim Poliakovski
bf2f7e5217
Also file a bug in Open Firmware 1.0.5 that reads PCI2 PRSNT bits from wrong location.
281 lines
11 KiB
C++
281 lines
11 KiB
C++
/*
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DingusPPC - The Experimental PowerPC Macintosh emulator
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Copyright (C) 2018-26 The DingusPPC Development Team
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(See CREDITS.MD for more details)
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(You may also contact divingkxt or powermax2286 on Discord)
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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 TNT (Power Macintosh 7500, 8500 etc) 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/pcihost.h>
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#include <devices/common/pci/pcidevice.h>
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#include <devices/common/scsi/scsihd.h>
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#include <devices/deviceregistry.h>
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#include <devices/ioctrl/macio.h>
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#include <devices/memctrl/hammerhead.h>
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#include <loguru.hpp>
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#include <machines/machine.h>
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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 <string>
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static std::vector<PciIrqMap> bandit1_irq_map = {
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{nullptr , DEV_FUN(0x0B,0), IntSrc::BANDIT1},
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{"pci_A1", DEV_FUN(0x0D,0), IntSrc::PCI_A},
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{"pci_B1", DEV_FUN(0x0E,0), IntSrc::PCI_B},
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{"pci_C1", DEV_FUN(0x0F,0), IntSrc::PCI_C},
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{nullptr , DEV_FUN(0x10,0), }, // GrandCentral
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};
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static std::vector<PciIrqMap> bandit2_irq_map = {
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{nullptr , DEV_FUN(0x0B,0), IntSrc::BANDIT2},
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{"pci_D2", DEV_FUN(0x0D,0), IntSrc::PCI_D},
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{"pci_E2", DEV_FUN(0x0E,0), IntSrc::PCI_E},
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{"pci_F2", DEV_FUN(0x0F,0), IntSrc::PCI_F},
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};
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static std::vector<PciIrqMap> chaos_irq_map = {
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{nullptr, DEV_FUN(0x0B,0), IntSrc::CONTROL},
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{"vci_D", DEV_FUN(0x0D,0), IntSrc::PLANB},
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{"vci_E", DEV_FUN(0x0E,0), IntSrc::VCI },
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};
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class MachineTnt : public Machine {
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public:
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int initialize(const std::string &id);
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};
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int MachineTnt::initialize(const std::string &id) {
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LOG_F(INFO, "Building machine TNT...");
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HammerheadCtrl* memctrl_obj;
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PCIHost *pci_host = dynamic_cast<PCIHost*>(gMachineObj->get_comp_by_name("Bandit1"));
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pci_host->set_irq_map(bandit1_irq_map);
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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("GrandCentralTnt"));
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// connect GrandCentral I/O controller to the PCI1 bus
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pci_host->pci_register_device(
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DEV_FUN(0x10,0), gc_obj);
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// get video PCI controller object
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PCIHost *vci_host = dynamic_cast<PCIHost*>(gMachineObj->get_comp_by_name_optional("Chaos"));
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if (vci_host) {
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vci_host->set_irq_map(chaos_irq_map);
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// connect built-in video device to the VCI bus
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vci_host->pci_register_device(
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DEV_FUN(0x0B,0), dynamic_cast<PCIDevice*>(gMachineObj->get_comp_by_name("ControlVideo")));
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}
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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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((gMachineObj->get_comp_by_name_optional("Sixty6Video") == nullptr) << 13) | // composite video out (active low)
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((gMachineObj->get_comp_by_name_optional("MeshTnt") != nullptr) << 14) | // fast SCSI (active high)
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0x8000U // 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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PCIHost *pci2_host = dynamic_cast<PCIHost*>(gMachineObj->get_comp_by_name_optional("Bandit2"));
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if (pci2_host) {
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pci2_host->set_irq_map(bandit2_irq_map);
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// Board register 2 appears as IOBus device #5 (0xF301E000)
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gMachineObj->add_device("BoardReg2", std::unique_ptr<BoardRegister>(
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new BoardRegister("Board Register 2",
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0x3F | // pull up all PRSNT bits
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0x8000U // pull up unused bits
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)));
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gc_obj->attach_iodevice(4, dynamic_cast<BoardRegister*>(gMachineObj->get_comp_by_name("BoardReg2")));
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}
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// get (raw) pointer to the memory controller
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memctrl_obj = dynamic_cast<HammerheadCtrl*>(gMachineObj->get_comp_by_name("Hammerhead"));
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memctrl_obj->set_motherboard_id((vci_host ? Hammerhead::MBID_VCI0_PRESENT : 0) |
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(pci2_host ? Hammerhead::MBID_PCI2_PRESENT : 0));
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memctrl_obj->set_bus_speed(Hammerhead::BUS_SPEED_50_MHZ);
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// allocate ROM region
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if (!memctrl_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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// populate RAM banks from configuration properties
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for (int bank_num = 0; bank_num <= 12; bank_num++) {
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std::string bn = std::to_string(bank_num);
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int bank_size = GET_INT_PROP("rambank" + bn + "_size");
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memctrl_obj->insert_ram_dimm(bank_num, bank_size * DRAM_CAP_1MB);
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}
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// allocate and map physical RAM
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memctrl_obj->map_phys_ram();
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// init virtual CPU
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std::string cpu = GET_STR_PROP("cpu");
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if (cpu == "604e")
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ppc_cpu_init(memctrl_obj, PPC_VER::MPC604E, false, 12500000ULL);
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else if (cpu == "604")
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ppc_cpu_init(memctrl_obj, PPC_VER::MPC604, false, 12500000ULL);
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else if (cpu == "601")
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ppc_cpu_init(memctrl_obj, PPC_VER::MPC601, true, 7833600ULL);
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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(memctrl_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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// If this is templated, it hits a compiler bug in MSVC, so use #define instead.
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#define static_const_pm7500_settings(cpu) \
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static const PropMap pm7500_settings_ ## cpu = { \
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{"rambank0_size" , new IntProperty( 0, std::vector<uint32_t>({0, 4, 8, 16, 32, 64, 128}))}, \
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{"rambank1_size" , new IntProperty(16, std::vector<uint32_t>({ 4, 8, 16, 32, 64, 128}))}, \
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{"rambank2_size" , new IntProperty( 0, std::vector<uint32_t>({0, 4, 8, 16, 32, 64, 128}))}, \
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{"rambank3_size" , new IntProperty( 0, std::vector<uint32_t>({0, 4, 8, 16, 32, 64, 128}))}, \
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{"rambank4_size" , new IntProperty( 0, std::vector<uint32_t>({0, 4, 8, 16, 32, 64, 128}))}, \
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{"rambank5_size" , new IntProperty( 0, std::vector<uint32_t>({0, 4, 8, 16, 32, 64, 128}))}, \
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{"rambank6_size" , new IntProperty( 0, std::vector<uint32_t>({0, 4, 8, 16, 32, 64, 128}))}, \
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{"rambank7_size" , new IntProperty( 0, std::vector<uint32_t>({0, 4, 8, 16, 32, 64, 128}))}, \
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{"rambank8_size" , new IntProperty( 0, std::vector<uint32_t>({0, 4, 8, 16, 32, 64, 128}))}, \
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{"rambank9_size" , new IntProperty( 0, std::vector<uint32_t>({0, 4, 8, 16, 32, 64, 128}))}, \
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{"rambank10_size", new IntProperty( 0, std::vector<uint32_t>({0, 4, 8, 16, 32, 64, 128}))}, \
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{"rambank11_size", new IntProperty( 0, std::vector<uint32_t>({0, 4, 8, 16, 32, 64, 128}))}, \
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{"rambank12_size", new IntProperty( 0, std::vector<uint32_t>({0, 4, 8, 16, 32, 64, 128}))}, \
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{"emmo", new BinProperty(0)}, \
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{"cpu", new StrProperty(# cpu, std::vector<std::string>({"601", "604", "604e", "750"}))}, \
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};
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static_const_pm7500_settings(601)
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static_const_pm7500_settings(604)
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static_const_pm7500_settings(604e)
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static std::vector<std::string> pm7500_devices = {
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"Hammerhead", "Bandit1", "GrandCentralTnt", "Chaos"
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};
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static std::vector<std::string> pm8500_devices = {
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"Hammerhead", "Bandit1", "GrandCentralTnt", "Chaos",
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"Sixty6Video"
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};
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static std::vector<std::string> pm9500_devices = {
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"Hammerhead", "Bandit1", "GrandCentralTnt", "Bandit2",
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};
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static const DeviceDescription MachineTnt7300_descriptor = {
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Machine::create<MachineTnt>, pm7500_devices, pm7500_settings_604e
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};
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static const DeviceDescription MachineTnt7500_descriptor = {
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Machine::create<MachineTnt>, pm7500_devices, pm7500_settings_601
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};
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static const DeviceDescription MachineTnt8500_descriptor = {
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Machine::create<MachineTnt>, pm8500_devices, pm7500_settings_604
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};
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static const DeviceDescription MachineTnt9500_descriptor = {
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Machine::create<MachineTnt>, pm9500_devices, pm7500_settings_604
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};
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static const DeviceDescription MachineTnt7600_descriptor = {
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Machine::create<MachineTnt>, pm7500_devices, pm7500_settings_604e
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};
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static const DeviceDescription MachineTnt8600_descriptor = {
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Machine::create<MachineTnt>, pm8500_devices, pm7500_settings_604e
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};
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static const DeviceDescription MachineTnt9600_descriptor = {
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Machine::create<MachineTnt>, pm9500_devices, pm7500_settings_604e
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};
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REGISTER_DEVICE(MachineTnt7300, MachineTnt7300_descriptor);
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REGISTER_DEVICE(MachineTnt7500, MachineTnt7500_descriptor);
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REGISTER_DEVICE(MachineTnt8500, MachineTnt8500_descriptor);
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REGISTER_DEVICE(MachineTnt9500, MachineTnt9500_descriptor);
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REGISTER_DEVICE(MachineTnt7600, MachineTnt7600_descriptor);
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REGISTER_DEVICE(MachineTnt8600, MachineTnt8600_descriptor);
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REGISTER_DEVICE(MachineTnt9600, MachineTnt9600_descriptor);
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static const MachineDescription pm7300_descriptor = {
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.name = "pm7300",
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.description = "Power Macintosh 7300",
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.machine_root = "MachineTnt7300",
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};
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static const MachineDescription pm7500_descriptor = {
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.name = "pm7500",
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.description = "Power Macintosh 7500",
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.machine_root = "MachineTnt7500",
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};
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static const MachineDescription pm8500_descriptor = {
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.name = "pm8500",
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.description = "Power Macintosh 8500",
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.machine_root = "MachineTnt8500",
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};
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static const MachineDescription pm9500_descriptor = {
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.name = "pm9500",
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.description = "Power Macintosh 9500",
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.machine_root = "MachineTnt9500",
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};
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static const MachineDescription pm7600_descriptor = {
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.name = "pm7600",
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.description = "Power Macintosh 7600",
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.machine_root = "MachineTnt7600",
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};
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static const MachineDescription pm8600_descriptor = {
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.name = "pm8600",
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.description = "Power Macintosh 8600",
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.machine_root = "MachineTnt8600",
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};
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static const MachineDescription pm9600_descriptor = {
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.name = "pm9600",
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.description = "Power Macintosh 9600",
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.machine_root = "MachineTnt9600",
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};
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REGISTER_MACHINE(pm7300, pm7300_descriptor);
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REGISTER_MACHINE(pm7500, pm7500_descriptor);
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REGISTER_MACHINE(pm8500, pm8500_descriptor);
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REGISTER_MACHINE(pm9500, pm9500_descriptor);
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REGISTER_MACHINE(pm7600, pm7600_descriptor);
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REGISTER_MACHINE(pm8600, pm8600_descriptor);
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REGISTER_MACHINE(pm9600, pm9600_descriptor);
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