82 lines
2.4 KiB
C++
82 lines
2.4 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 SCSI hard drive definitions. */
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#ifndef SCSI_HD_H
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#define SCSI_HD_H
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#include <devices/common/scsi/scsi.h>
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#include <utils/imgfile.h>
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#include <cinttypes>
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#include <memory>
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#include <string>
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class ScsiHardDisk : public ScsiDevice {
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public:
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ScsiHardDisk(int my_id);
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~ScsiHardDisk() = default;
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static std::unique_ptr<HWComponent> create() {
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return std::unique_ptr<ScsiHardDisk>(new ScsiHardDisk(0));
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}
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void insert_image(std::string filename);
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void process_command();
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bool prepare_data();
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protected:
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int test_unit_ready();
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int req_sense(uint16_t alloc_len);
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int send_diagnostic();
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int mode_select_6(uint8_t param_len);
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void mode_sense_6();
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void format();
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void inquiry();
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void read_capacity_10();
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void read(uint32_t lba, uint16_t transfer_len, uint8_t cmd_len);
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void write(uint32_t lba, uint16_t transfer_len, uint8_t cmd_len);
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void seek(uint32_t lba);
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void rewind();
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private:
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ImgFile hdd_img;
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uint64_t img_size;
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int total_blocks;
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uint64_t file_offset = 0;
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int bytes_out = 0;
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char img_buffer[1 << 21]; // TODO: add proper buffer management!
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uint32_t cur_buf_cnt = 0;
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uint8_t error = ScsiError::NO_ERROR;
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uint8_t msg_code = 0;
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//inquiry info
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char vendor_info[8] = {'D', 'i', 'n', 'g', 'u', 's', 'D', '\0'};
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char prod_info[16] = {'E', 'm', 'u', 'l', 'a', 't', 'e', 'd', ' ', 'D', 'i', 's', 'k', '\0'};
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char rev_info[4] = {'d', 'i', '0', '1'};
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};
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#endif // SCSI_HD_H
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