mirror of
https://github.com/dingusdev/dingusppc.git
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69 lines
2.1 KiB
C
69 lines
2.1 KiB
C
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/*
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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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/** Bandit ARBus-to-PCI bridge definitions.
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The Bandit ASIC is a custom ARBus-to-PCI bridge used in the second
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generation of the Power Macintosh computer equipped with the PCI bus.
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*/
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#ifndef BANDIT_PCI_H
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#define BANDIT_PCI_H
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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 <cinttypes>
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#include <string>
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#include <unordered_map>
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#define BANDIT_DEV_NUM (1 << 11)
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#define BANDIT_CONFIG_SPACE 0x00800000
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class Bandit : public MMIODevice, public PCIHost {//}, public PCIDevice {
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public:
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Bandit(int bridge_num, std::string name);
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~Bandit() = default;
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bool supports_type(HWCompType type) {
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return (type == HWCompType::PCI_HOST || type == HWCompType::PCI_DEV);
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};
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// MMIODevice methods
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uint32_t read(uint32_t reg_start, uint32_t offset, int size);
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void write(uint32_t reg_start, uint32_t offset, uint32_t value, int size);
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protected:
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uint32_t pci_cfg_read(uint32_t reg_offs, uint32_t size);
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void pci_cfg_write(uint32_t reg_offs, uint32_t value, uint32_t size);
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private:
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std::string name;
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uint32_t base_addr;
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uint32_t config_addr;
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uint8_t my_pci_cfg_hdr[256];
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uint8_t my_cfg_mask[256];
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};
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#endif // BANDIT_PCI_H
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