// license:BSD-3-Clause // copyright-holders:smf /*************************************************************************** idehd.h IDE Harddisk ***************************************************************************/ #pragma once #ifndef __IDEHD_H__ #define __IDEHD_H__ #include "atahle.h" #include "harddisk.h" #include "imagedev/harddriv.h" class ata_mass_storage_device : public ata_hle_device { public: ata_mass_storage_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, uint32_t clock,const char *shortname, const char *source); uint16_t *identify_device_buffer() { return m_identify_buffer; } void set_master_password(const uint8_t *password) { m_master_password = password; m_master_password_enable = (password != nullptr); } void set_user_password(const uint8_t *password) { m_user_password = password; m_user_password_enable = (password != nullptr); } protected: virtual void device_start() override; virtual int read_sector(uint32_t lba, void *buffer) = 0; virtual int write_sector(uint32_t lba, const void *buffer) = 0; virtual attotime seek_time(); void ide_build_identify_device(); static const int IDE_DISK_SECTOR_SIZE = 512; virtual int sector_length() override { return IDE_DISK_SECTOR_SIZE; } virtual void process_buffer() override; virtual void fill_buffer() override; virtual bool is_ready() override { return true; } virtual void process_command() override; virtual void finished_command() override; virtual void perform_diagnostic() override; virtual void signature() override; int m_can_identify_device; uint16_t m_num_cylinders; uint8_t m_num_sectors; uint8_t m_num_heads; virtual uint32_t lba_address(); private: void set_geometry(uint8_t sectors, uint8_t heads) { m_num_sectors = sectors; m_num_heads = heads; } void finished_read(); void finished_write(); void next_sector(); void security_error(); void read_first_sector(); void soft_reset() override; uint32_t m_cur_lba; uint16_t m_block_count; uint16_t m_sectors_until_int; uint8_t m_master_password_enable; uint8_t m_user_password_enable; const uint8_t * m_master_password; const uint8_t * m_user_password; }; // ======================> ide_hdd_device class ide_hdd_device : public ata_mass_storage_device { public: // construction/destruction ide_hdd_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); ide_hdd_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, uint32_t clock, const char *shortname, const char *source); protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; // optional information overrides virtual machine_config_constructor device_mconfig_additions() const override; virtual int read_sector(uint32_t lba, void *buffer) override { if (m_disk == nullptr) return 0; return hard_disk_read(m_disk, lba, buffer); } virtual int write_sector(uint32_t lba, const void *buffer) override { if (m_disk == nullptr) return 0; return hard_disk_write(m_disk, lba, buffer); } virtual uint8_t calculate_status() override; chd_file *m_handle; hard_disk_file *m_disk; enum { TID_NULL = TID_BUSY + 1 }; private: required_device m_image; emu_timer * m_last_status_timer; }; // device type definition extern const device_type IDE_HARDDISK; #endif