78 lines
2.3 KiB
C++
78 lines
2.3 KiB
C++
/*
|
|
DingusPPC - The Experimental PowerPC Macintosh emulator
|
|
Copyright (C) 2018-23 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/pci/pcidevice.h>
|
|
#include <loguru.hpp>
|
|
|
|
#include <cinttypes>
|
|
#include <fstream>
|
|
#include <cstring>
|
|
#include <string>
|
|
|
|
PCIDevice::PCIDevice(std::string name) : PCIBase(name, PCI_HEADER_TYPE_0, 6)
|
|
{
|
|
};
|
|
|
|
uint32_t PCIDevice::pci_cfg_read(uint32_t reg_offs, AccessDetails &details)
|
|
{
|
|
switch (reg_offs) {
|
|
case PCI_CFG_BAR0:
|
|
case PCI_CFG_BAR1:
|
|
case PCI_CFG_BAR2:
|
|
case PCI_CFG_BAR3:
|
|
case PCI_CFG_BAR4:
|
|
case PCI_CFG_BAR5:
|
|
return this->bars[(reg_offs - 0x10) >> 2];
|
|
case PCI_CFG_SUBSYS_ID:
|
|
return (this->subsys_id << 16) | (this->subsys_vndr);
|
|
case PCI_CFG_ROM_BAR:
|
|
return this->exp_rom_bar;
|
|
case PCI_CFG_DWORD_13:
|
|
return cap_ptr;
|
|
case PCI_CFG_DWORD_15:
|
|
return (max_lat << 24) | (min_gnt << 16) | (irq_pin << 8) | irq_line;
|
|
default:
|
|
return PCIBase::pci_cfg_read(reg_offs, details);
|
|
}
|
|
}
|
|
|
|
void PCIDevice::pci_cfg_write(uint32_t reg_offs, uint32_t value, AccessDetails &details)
|
|
{
|
|
switch (reg_offs) {
|
|
case PCI_CFG_BAR0:
|
|
case PCI_CFG_BAR1:
|
|
case PCI_CFG_BAR2:
|
|
case PCI_CFG_BAR3:
|
|
case PCI_CFG_BAR4:
|
|
case PCI_CFG_BAR5:
|
|
this->set_bar_value((reg_offs - 0x10) >> 2, value);
|
|
break;
|
|
case PCI_CFG_ROM_BAR:
|
|
this->pci_wr_exp_rom_bar(value);
|
|
break;
|
|
case PCI_CFG_DWORD_15:
|
|
this->irq_line = value >> 24;
|
|
break;
|
|
default:
|
|
PCIBase::pci_cfg_write(reg_offs, value, details);
|
|
}
|
|
}
|