mirror of
https://github.com/dingusdev/dingusppc.git
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68 lines
1.9 KiB
C++
68 lines
1.9 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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/** @file Base class for ATA devices. */
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#ifndef ATA_BASE_DEVICE_H
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#define ATA_BASE_DEVICE_H
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#include <devices/common/ata/atadefs.h>
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#include <devices/common/hwcomponent.h>
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#include <cinttypes>
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class AtaBaseDevice : public HWComponent, public AtaInterface
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{
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public:
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AtaBaseDevice(const std::string name);
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~AtaBaseDevice() = default;
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uint16_t read(const uint8_t reg_addr);
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void write(const uint8_t reg_addr, const uint16_t value);
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virtual int perform_command() = 0;
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int get_device_id() { return this->my_dev_id; };
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void device_reset(const uint8_t dev_head_val = 0);
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private:
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bool is_selected() { return ((this->r_dev_head >> 4) & 1) == this->my_dev_id; };
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protected:
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uint8_t my_dev_id = 0; // my IDE device ID configured by the host
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uint8_t device_type = ata_interface::DEVICE_TYPE_UNKNOWN;
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// IDE aka task file registers
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uint8_t r_error;
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uint8_t r_features;
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uint8_t r_sect_count;
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uint8_t r_sect_num;
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uint8_t r_cylinder_lo;
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uint8_t r_cylinder_hi;
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uint8_t r_dev_head;
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uint8_t r_command;
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uint8_t r_status;
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uint8_t r_dev_ctrl;
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};
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#endif // ATA_BASE_DEVICE_H
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