mirror of
https://github.com/dingusdev/dingusppc.git
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35c86ad6bf
Result of running IWYU (https://include-what-you-use.org/) and applying most of the suggestions about unncessary includes and forward declarations. Was motivated by observing that <thread> was being included in ppcopcodes.cpp even though it was unused (found while researching the use of threads), but seems generally good to help with build times and correctness.
94 lines
2.7 KiB
C++
94 lines
2.7 KiB
C++
/*
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DingusPPC - The Experimental PowerPC Macintosh emulator
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Copyright (C) 2018-23 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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/** DEC 21154 PCI-to-PCI bridge emulation. */
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#include <devices/common/hwcomponent.h>
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#include <devices/common/pci/dec21154.h>
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#include <devices/deviceregistry.h>
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#include <loguru.hpp>
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#include <cinttypes>
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DecPciBridge::DecPciBridge(std::string name) : PCIBridge(name)
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{
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supports_types(HWCompType::PCI_HOST | HWCompType::PCI_DEV);
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// initialize PCI config header
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this->vendor_id = PCI_VENDOR_DEC;
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this->device_id = 0x0026;
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this->class_rev = 0x06040002;
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this->cache_ln_sz = 0;
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this->command = 0;
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this->status = 0x2B0;
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}
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uint32_t DecPciBridge::pci_cfg_read(uint32_t reg_offs, AccessDetails &details)
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{
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if (reg_offs < 64) {
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return PCIBridge::pci_cfg_read(reg_offs, details);
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}
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switch (reg_offs) {
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case CHIP_CTRL:
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return (this->arb_ctrl << 16) | (this-> diag_ctrl << 8) | this->chip_ctrl;
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case PSERR_EVENT_DIS:
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return (this->gpio_out_en << 16) | this->pserr_event_dis;
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case SEC_CLK_CTRL:
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return this->sec_clock_ctrl;
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default:
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LOG_READ_UNIMPLEMENTED_CONFIG_REGISTER();
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}
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return 0;
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}
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void DecPciBridge::pci_cfg_write(uint32_t reg_offs, uint32_t value, AccessDetails &details)
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{
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if (reg_offs < 64) {
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PCIBridge::pci_cfg_write(reg_offs, value, details);
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return;
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}
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switch (reg_offs) {
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case CHIP_CTRL:
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this->chip_ctrl = value & 0xFFU;
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this->diag_ctrl = (value >> 8) & 0xFFU;
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this->arb_ctrl = value >> 16;
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break;
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case PSERR_EVENT_DIS:
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this->pserr_event_dis = value & 0xFFU;
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this->gpio_out_en = (value >> 16) & 0xFFU;
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break;
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case SEC_CLK_CTRL:
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this->sec_clock_ctrl = value & 0xFFFFU;
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break;
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default:
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LOG_WRITE_UNIMPLEMENTED_CONFIG_REGISTER();
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}
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}
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static const DeviceDescription Dec21154_Descriptor = {
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DecPciBridge::create, {}, {}
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};
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REGISTER_DEVICE(Dec21154, Dec21154_Descriptor);
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