dingusppc/machines/machinefactory.cpp
2023-06-18 23:15:08 +02:00

390 lines
12 KiB
C++

/*
DingusPPC - The Experimental PowerPC Macintosh emulator
Copyright (C) 2018-22 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 Factory for creating different machines.
Author: Max Poliakovski
*/
#include <devices/deviceregistry.h>
#include <devices/memctrl/memctrlbase.h>
#include <devices/sound/soundserver.h>
#include <loguru.hpp>
#include <machines/machinebase.h>
#include <machines/machinefactory.h>
#include <machines/machineproperties.h>
#include <memaccess.h>
#include <cinttypes>
#include <cstring>
#include <fstream>
#include <functional>
#include <iostream>
#include <iomanip>
#include <map>
#include <memory>
#include <string>
#include <vector>
using namespace std;
map<string, unique_ptr<BasicProperty>> gMachineSettings;
/**
Power Macintosh ROM identification map.
Maps Bootstrap string located at offset 0x30D064 (PCI Macs)
or 0x30C064 (Nubus Macs) to machine name and description.
*/
static const map<uint32_t, std::tuple<string, const char*>> rom_identity = {
{0x416C6368, {"pm6400", "Performa 6400"}}, // Alchemy
//{"Come", "PowerBook 2400"}, // Comet
{0x436F7264, {"pm5200", "Power Mac 5200/6200 series"}}, // Cordyceps
{0x47617A65, {"pm6500", "Power Mac 6500"}}, // Gazelle
{0x476F7373, {"pmg3dt", "Power Mac G3 Beige"}}, // Gossamer
{0x47525820, {"pbg3", "PowerBook G3 Wallstreet"}},
//{"Hoop", "PowerBook 3400"}, // Hooper
{0x50425820, {"pb-preg3", "PowerBook Pre-G3"}},
{0x50444D20, {"pm6100", "Nubus Power Mac"}}, // Piltdown Man (6100/7100/8100)
{0x50697020, {"pippin", "Bandai Pippin"}}, // Pippin
//{"Powe", "Generic Power Mac"}, // PowerMac?
{0x544E5420, {"pm7200", "Power Mac 7xxxx/8xxx series"}}, // Trinitrotoluene :-)
{0x5A616E7A, {"pm4400", "Power Mac 4400/7220"}}, // Zanzibar
};
static const map<string, string> PropHelp = {
{"rambank1_size", "specifies RAM bank 1 size in MB"},
{"rambank2_size", "specifies RAM bank 2 size in MB"},
{"rambank3_size", "specifies RAM bank 3 size in MB"},
{"rambank4_size", "specifies RAM bank 4 size in MB"},
{"gfxmem_size", "specifies video memory size in MB"},
{"fdd_img", "specifies path to floppy disk image"},
{"fdd_fmt", "specifies floppy disk format"},
{"fdd_wr_prot", "toggles floppy disk's write protection"},
{"hdd_img", "specifies path to hard disk image"},
{"hdd_wr_prot", "toggles hard disk's write protection"},
{"cdr_config", "CD-ROM device path in [bus]:[device#] format"},
{"cdr_img", "specifies path to CD-ROM image"},
{"mon_id", "specifies which monitor to emulate"},
{"pci_A1", "insert a PCI device into A1 slot"},
{"pci_B1", "insert a PCI device into B1 slot"},
{"pci_C1", "insert a PCI device into C1 slot"},
{"serial_backend", "specifies the backend for the serial port"},
{"emmo", "enables/disables factory HW tests during startup"},
};
bool MachineFactory::add(const string& machine_id, MachineDescription desc)
{
if (get_registry().find(machine_id) != get_registry().end()) {
return false;
}
get_registry()[machine_id] = desc;
return true;
}
void MachineFactory::list_machines()
{
cout << endl << "Supported machines:" << endl << endl;
for (auto& m : get_registry()) {
cout << setw(13) << m.first << "\t\t" << m.second.description << endl;
}
cout << endl;
}
void MachineFactory::create_device(string& dev_name, DeviceDescription& dev)
{
for (auto& subdev_name : dev.subdev_list) {
create_device(subdev_name, DeviceRegistry::get_descriptor(subdev_name));
}
gMachineObj->add_device(dev_name, dev.m_create_func());
}
int MachineFactory::create(string& mach_id)
{
auto it = get_registry().find(mach_id);
if (it == get_registry().end()) {
LOG_F(ERROR, "Unknown machine id %s", mach_id.c_str());
return -1;
}
LOG_F(INFO, "Initializing %s hardware...", it->second.description.c_str());
// initialize global machine object
gMachineObj.reset(new MachineBase(it->second.name));
// create and register sound server
gMachineObj->add_device("SoundServer", std::unique_ptr<SoundServer>(new SoundServer()));
// recursively create device objects
for (auto& dev_name : it->second.devices) {
create_device(dev_name, DeviceRegistry::get_descriptor(dev_name));
}
if (it->second.init_func(mach_id)) {
LOG_F(ERROR, "Machine initialization function failed!");
return -1;
}
// post-initialize all devices
if (gMachineObj->postinit_devices()) {
LOG_F(ERROR, "Could not post-initialize devices!");
return -1;
}
LOG_F(INFO, "Initialization completed.");
return 0;
}
void MachineFactory::list_properties()
{
cout << endl;
for (auto& mach : get_registry()) {
cout << mach.second.description << " supported properties:" << endl << endl;
print_settings(mach.second.settings);
for (auto& d : mach.second.devices) {
list_device_settings(DeviceRegistry::get_descriptor(d));
}
}
cout << endl;
}
void MachineFactory::list_device_settings(DeviceDescription& dev)
{
for (auto& d : dev.subdev_list) {
list_device_settings(DeviceRegistry::get_descriptor(d));
}
print_settings(dev.properties);
}
void MachineFactory::print_settings(PropMap& prop_map)
{
string help;
for (auto& p : prop_map) {
if (PropHelp.find(p.first) != PropHelp.end())
help = PropHelp.at(p.first);
else
help = "";
cout << setw(13) << p.first << "\t\t" << help << endl;
cout << setw(13) << "\t\t\t" "Valid values: ";
switch(p.second->get_type()) {
case PROP_TYPE_INTEGER:
cout << dynamic_cast<IntProperty*>(p.second)->get_valid_values_as_str()
<< endl;
break;
case PROP_TYPE_STRING:
cout << dynamic_cast<StrProperty*>(p.second)->get_valid_values_as_str()
<< endl;
break;
case PROP_TYPE_BINARY:
cout << dynamic_cast<BinProperty*>(p.second)->get_valid_values_as_str()
<< endl;
break;
default:
break;
}
cout << endl;
}
}
void MachineFactory::get_device_settings(DeviceDescription& dev, map<string, string> &settings)
{
for (auto& d : dev.subdev_list) {
get_device_settings(DeviceRegistry::get_descriptor(d), settings);
}
for (auto& p : dev.properties) {
settings[p.first] = p.second->get_string();
// populate dynamic machine settings from presets
gMachineSettings[p.first] = unique_ptr<BasicProperty>(p.second->clone());
}
}
int MachineFactory::get_machine_settings(const string& id, map<string, string> &settings)
{
auto it = get_registry().find(id);
if (it != get_registry().end()) {
auto props = it->second.settings;
gMachineSettings.clear();
for (auto& p : props) {
settings[p.first] = p.second->get_string();
// populate dynamic machine settings from presets
gMachineSettings[p.first] = unique_ptr<BasicProperty>(p.second->clone());
}
for (auto& dev : it->second.devices) {
get_device_settings(DeviceRegistry::get_descriptor(dev), settings);
}
} else {
LOG_F(ERROR, "Unknown machine id %s", id.c_str());
return -1;
}
return 0;
}
void MachineFactory::set_machine_settings(map<string, string> &settings) {
for (auto& s : settings) {
gMachineSettings.at(s.first)->set_string(s.second);
}
// print machine settings summary
cout << endl << "Machine settings summary: " << endl;
for (auto& p : gMachineSettings) {
cout << p.first << " : " << p.second->get_string() << endl;
}
}
string MachineFactory::machine_name_from_rom(string& rom_filepath) {
ifstream rom_file;
size_t file_size;
uint32_t config_info_offset, rom_id;
char rom_id_str[17];
string machine_name = "";
rom_file.open(rom_filepath, ios::in | ios::binary);
if (rom_file.fail()) {
LOG_F(ERROR, "Cound not open the specified ROM file.");
goto bail_out;
}
rom_file.seekg(0, rom_file.end);
file_size = rom_file.tellg();
rom_file.seekg(0, rom_file.beg);
if (file_size != 0x400000UL) {
LOG_F(ERROR, "Unxpected ROM File size. Expected size is 4 megabytes.");
goto bail_out;
}
/* read config info offset from file */
config_info_offset = 0;
rom_file.seekg(0x300080, ios::beg);
rom_file.read((char*)&config_info_offset, 4);
config_info_offset = READ_DWORD_BE_A(&config_info_offset);
/* rewind to ConfigInfo.BootstrapVersion field */
rom_file.seekg(0x300064 + config_info_offset, ios::beg);
/* read BootstrapVersion as C string */
rom_file.read(rom_id_str, 16);
rom_id_str[16] = 0;
LOG_F(INFO, "ROM BootstrapVersion: %s", rom_id_str);
if (strncmp(rom_id_str, "Boot", 4) != 0) {
LOG_F(ERROR, "Invalid BootstrapVersion string.");
goto bail_out;
}
/* convert BootstrapVersion string to ROM ID */
rom_id = (rom_id_str[5] << 24) | (rom_id_str[6] << 16) |
(rom_id_str[7] << 8) | rom_id_str[8];
LOG_F(INFO, "The machine is identified as... %s",
std::get<1>(rom_identity.at(rom_id)));
machine_name = std::get<0>(rom_identity.at(rom_id));
bail_out:
rom_file.close();
return machine_name;
}
/* Read ROM file content and transfer it to the dedicated ROM region */
int MachineFactory::load_boot_rom(string& rom_filepath) {
ifstream rom_file;
size_t file_size;
int result = 0;
uint32_t rom_load_addr;
AddressMapEntry *rom_reg;
rom_file.open(rom_filepath, ios::in | ios::binary);
if (rom_file.fail()) {
LOG_F(ERROR, "Cound not open the specified ROM file.");
rom_file.close();
return -1;
}
rom_file.seekg(0, rom_file.end);
file_size = rom_file.tellg();
rom_file.seekg(0, rom_file.beg);
if (file_size == 0x400000UL) { // Old World ROMs
rom_load_addr = 0xFFC00000UL;
} else if (file_size == 0x100000UL) { // New World ROMs
rom_load_addr = 0xFFF00000UL;
} else {
LOG_F(ERROR, "Unxpected ROM File size: %zu bytes.", file_size);
result = -1;
}
if (!result) {
unsigned char* sysrom_mem = new unsigned char[file_size];
rom_file.seekg(0, ios::beg);
rom_file.read((char*)sysrom_mem, file_size);
MemCtrlBase* mem_ctrl = dynamic_cast<MemCtrlBase*>(
gMachineObj->get_comp_by_type(HWCompType::MEM_CTRL));
if ((rom_reg = mem_ctrl->find_rom_region())) {
mem_ctrl->set_data(rom_load_addr, sysrom_mem, (uint32_t)file_size);
} else {
LOG_F(ERROR, "Could not locate physical ROM region!");
result = -1;
}
delete[] sysrom_mem;
}
rom_file.close();
return result;
}
int MachineFactory::create_machine_for_id(string& id, string& rom_filepath) {
if (MachineFactory::create(id) < 0 || load_boot_rom(rom_filepath) < 0) {
return -1;
}
return 0;
}