dingusppc/devices/common/pci/pcihost.cpp
2022-08-19 18:55:33 +02:00

78 lines
2.5 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/>.
*/
#include <devices/common/hwcomponent.h>
#include <devices/common/pci/pcidevice.h>
#include <devices/common/pci/pcihost.h>
#include <devices/memctrl/memctrlbase.h>
#include <machines/machinebase.h>
#include <loguru.hpp>
#include <cinttypes>
bool PCIHost::pci_register_device(int dev_num, PCIDevice* dev_instance)
{
// return false if dev_num already registered
if (this->dev_map.count(dev_num))
return false;
this->dev_map[dev_num] = dev_instance;
dev_instance->set_host(this);
if (dev_instance->supports_io_space()) {
this->io_space_devs.push_back(dev_instance);
}
return true;
}
bool PCIHost::pci_register_mmio_region(uint32_t start_addr, uint32_t size, PCIDevice* obj)
{
MemCtrlBase *mem_ctrl = dynamic_cast<MemCtrlBase *>
(gMachineObj->get_comp_by_type(HWCompType::MEM_CTRL));
// FIXME: add sanity checks!
return mem_ctrl->add_mmio_region(start_addr, size, obj);
}
void PCIHost::attach_pci_device(std::string& dev_name, int slot_id)
{
if (!DeviceRegistry::device_registered(dev_name)) {
LOG_F(WARNING, "PCIHost: specified PCI device %s doesn't exist", dev_name.c_str());
return;
}
// attempt to create device object
auto dev_obj = DeviceRegistry::get_descriptor(dev_name).m_create_func();
if (!dev_obj->supports_type(HWCompType::PCI_DEV)) {
LOG_F(WARNING, "PCIHost: cannot attach non-PCI device %s", dev_name.c_str());
return;
}
// add device to the machine object
gMachineObj->add_device(dev_name, std::move(dev_obj));
// register device with the PCI host
this->pci_register_device(
slot_id, dynamic_cast<PCIDevice*>(gMachineObj->get_comp_by_name(dev_name)));
}