91 lines
3.0 KiB
C++
91 lines
3.0 KiB
C++
/*
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DingusPPC - The Experimental PowerPC Macintosh emulator
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Copyright (C) 2018-22 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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#include <devices/common/hwcomponent.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/memctrl/memctrlbase.h>
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#include <machines/machinebase.h>
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#include <loguru.hpp>
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#include <cinttypes>
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bool PCIHost::pci_register_device(int dev_fun_num, PCIDevice* dev_instance)
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{
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// return false if dev_num already registered
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if (this->dev_map.count(dev_fun_num))
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return false;
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this->dev_map[dev_fun_num] = dev_instance;
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dev_instance->set_host(this);
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if (dev_instance->supports_io_space()) {
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this->io_space_devs.push_back(dev_instance);
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}
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return true;
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}
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bool PCIHost::pci_register_mmio_region(uint32_t start_addr, uint32_t size, PCIDevice* obj)
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{
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MemCtrlBase *mem_ctrl = dynamic_cast<MemCtrlBase *>
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(gMachineObj->get_comp_by_type(HWCompType::MEM_CTRL));
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// FIXME: add sanity checks!
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return mem_ctrl->add_mmio_region(start_addr, size, obj);
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}
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bool PCIHost::pci_unregister_mmio_region(uint32_t start_addr, uint32_t size, PCIDevice* obj)
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{
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MemCtrlBase *mem_ctrl = dynamic_cast<MemCtrlBase *>
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(gMachineObj->get_comp_by_type(HWCompType::MEM_CTRL));
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// FIXME: add sanity checks!
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return mem_ctrl->remove_mmio_region(start_addr, size, obj);
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}
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void PCIHost::attach_pci_device(std::string& dev_name, int slot_id)
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{
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if (!DeviceRegistry::device_registered(dev_name)) {
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LOG_F(WARNING, "PCIHost: specified PCI device %s doesn't exist", dev_name.c_str());
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return;
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}
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// attempt to create device object
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auto dev_obj = DeviceRegistry::get_descriptor(dev_name).m_create_func();
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if (!dev_obj->supports_type(HWCompType::PCI_DEV)) {
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LOG_F(WARNING, "PCIHost: cannot attach non-PCI device %s", dev_name.c_str());
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return;
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}
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// add device to the machine object
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gMachineObj->add_device(dev_name, std::move(dev_obj));
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// register device with the PCI host
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this->pci_register_device(
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slot_id, dynamic_cast<PCIDevice*>(gMachineObj->get_comp_by_name(dev_name)));
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}
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PCIDevice *PCIHost::pci_find_device(uint8_t bus_num, uint8_t dev_num, uint8_t fun_num)
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{
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return NULL;
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}
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