dingusppc/devices/common/scsi/scsihd.h
2023-08-02 07:53:19 -07:00

83 lines
2.4 KiB
C++

/*
DingusPPC - The Experimental PowerPC Macintosh emulator
Copyright (C) 2018-22 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/>.
*/
/** @file SCSI hard drive definitions. */
#ifndef SCSI_HD_H
#define SCSI_HD_H
#include <devices/common/scsi/scsi.h>
#include <cinttypes>
#include <fstream>
#include <memory>
#include <stdio.h>
#include <string>
class ScsiHardDisk : public ScsiDevice {
public:
ScsiHardDisk(int my_id);
~ScsiHardDisk() = default;
static std::unique_ptr<HWComponent> create() {
return std::unique_ptr<ScsiHardDisk>(new ScsiHardDisk(0));
}
void insert_image(std::string filename);
void process_command();
bool prepare_data();
protected:
int test_unit_ready();
int req_sense(uint16_t alloc_len);
int send_diagnostic();
int mode_select_6(uint8_t param_len);
void mode_sense_6();
void format();
void inquiry();
void read_capacity_10();
void read(uint32_t lba, uint16_t transfer_len, uint8_t cmd_len);
void write(uint32_t lba, uint16_t transfer_len, uint8_t cmd_len);
void seek(uint32_t lba);
void rewind();
private:
std::fstream hdd_img;
uint64_t img_size;
int total_blocks;
uint64_t file_offset = 0;
int bytes_out = 0;
char img_buffer[1 << 21]; // TODO: add proper buffer management!
uint32_t cur_buf_cnt = 0;
uint8_t error = ScsiError::NO_ERROR;
uint8_t msg_code = 0;
//inquiry info
char vendor_info[8] = {'D', 'i', 'n', 'g', 'u', 's', 'D', '\0'};
char prod_info[16] = {'E', 'm', 'u', 'l', 'a', 't', 'e', 'd', ' ', 'D', 'i', 's', 'k', '\0'};
char rev_info[4] = {'d', 'i', '0', '1'};
};
#endif // SCSI_HD_H