dingusppc/devices/common/ata/atahd.h
2023-12-30 16:23:00 +01:00

70 lines
1.8 KiB
C++

/*
DingusPPC - The Experimental PowerPC Macintosh emulator
Copyright (C) 2018-23 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 ATA hard disk definitions. */
#ifndef ATA_HARD_DISK_H
#define ATA_HARD_DISK_H
#include <devices/common/ata/atabasedevice.h>
#include <utils/imgfile.h>
#include <string>
#define ATA_HD_SEC_SIZE 512
class AtaHardDisk : public AtaBaseDevice
{
public:
AtaHardDisk(std::string name);
~AtaHardDisk() = default;
static std::unique_ptr<HWComponent> create() {
return std::unique_ptr<AtaHardDisk>(new AtaHardDisk("ATA-HD"));
}
int device_postinit() override;
void insert_image(std::string filename);
int perform_command() override;
protected:
void prepare_identify_info();
uint64_t get_lba();
private:
ImgFile hdd_img;
uint64_t img_size = 0;
uint32_t total_sectors = 0;
uint64_t cur_fpos = 0;
// fictive disk geometry for CHS-to-LBA translation
uint16_t cylinders;
uint8_t heads;
uint8_t sectors;
char * buffer = new char[1 <<17];
uint8_t hd_id_data[ATA_HD_SEC_SIZE] = {};
};
#endif // ATA_HARD_DISK_H