mirror of
https://github.com/dingusdev/dingusppc.git
synced 2024-11-13 03:08:29 +00:00
87 lines
2.6 KiB
C++
87 lines
2.6 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 Base class for ATA devices. */
|
|
|
|
#ifndef ATA_BASE_DEVICE_H
|
|
#define ATA_BASE_DEVICE_H
|
|
|
|
#include <devices/common/ata/atadefs.h>
|
|
#include <devices/common/ata/idechannel.h>
|
|
#include <devices/common/hwcomponent.h>
|
|
|
|
#include <cinttypes>
|
|
#include <string>
|
|
|
|
class AtaBaseDevice : public HWComponent, public AtaInterface
|
|
{
|
|
public:
|
|
AtaBaseDevice(const std::string name, uint8_t type);
|
|
~AtaBaseDevice() = default;
|
|
|
|
void set_host(IdeChannel* host) { this->host_obj = host; };
|
|
|
|
uint16_t read(const uint8_t reg_addr) override;
|
|
void write(const uint8_t reg_addr, const uint16_t value) override;
|
|
|
|
virtual int perform_command() = 0;
|
|
|
|
int get_device_id() override { return this->my_dev_id; };
|
|
|
|
void pdiag_callback() override {
|
|
this->r_error &= 0x7F;
|
|
};
|
|
|
|
virtual void device_reset(bool is_soft_reset);
|
|
virtual void device_set_signature();
|
|
void device_control(const uint8_t new_ctrl);
|
|
void update_intrq(uint8_t new_intrq_state);
|
|
|
|
protected:
|
|
bool is_selected() { return ((this->r_dev_head >> 4) & 1) == this->my_dev_id; };
|
|
|
|
uint8_t my_dev_id = 0; // my IDE device ID configured by the host
|
|
uint8_t device_type = ata_interface::DEVICE_TYPE_UNKNOWN;
|
|
uint8_t intrq_state = 0; // INTRQ deasserted
|
|
|
|
IdeChannel* host_obj = nullptr;
|
|
|
|
// IDE aka task file registers
|
|
uint8_t r_error;
|
|
uint8_t r_features;
|
|
uint8_t r_sect_count;
|
|
uint8_t r_sect_num;
|
|
uint8_t r_cylinder_lo;
|
|
uint8_t r_cylinder_hi;
|
|
uint8_t r_dev_head;
|
|
uint8_t r_command;
|
|
uint8_t r_status;
|
|
uint8_t r_status_save;
|
|
uint8_t r_dev_ctrl = 0x08;
|
|
|
|
uint16_t *data_ptr = nullptr;
|
|
uint8_t data_buf[512] = {};
|
|
int data_pos = 0;
|
|
int xfer_cnt = 0;
|
|
};
|
|
|
|
#endif // ATA_BASE_DEVICE_H
|