2232dd23d6
It can be used when asynchronous packet handling is available. Some changes in the non-async read and write code. TODO: sector write timing, seek timing (similar to legacy floppy).
108 lines
3.7 KiB
C++
108 lines
3.7 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id$
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/////////////////////////////////////////////////////////////////////////
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//
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// UFI/CBI floppy disk storage device support
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//
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// Copyright (c) 2015 Benjamin David Lunt
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// Copyright (C) 2015 The Bochs Project
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library 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 GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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/////////////////////////////////////////////////////////////////////////
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#ifndef BX_IODEV_USB_CBI_H
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#define BX_IODEV_USB_CBI_H
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#define UFI_TEST_UNIT_READY 0x00
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#define UFI_REZERO 0x01
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#define UFI_REQUEST_SENSE 0x03
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#define UFI_FORMAT_UNIT 0x04
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#define UFI_INQUIRY 0x12
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#define UFI_START_STOP_UNIT 0x1B
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#define UFI_SEND_DIAGNOSTIC 0x1D
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#define UFI_PREVENT_ALLOW_REMOVAL 0x1E
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#define UFI_READ_FORMAT_CAPACITIES 0x23
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#define UFI_READ_CAPACITY 0x25
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#define UFI_READ_10 0x28
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#define UFI_WRITE_10 0x2A
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#define UFI_SEEK_10 0x2B
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#define UFI_WRITE_VERIFY 0x2E
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#define UFI_VERIFY 0x2F
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#define UFI_MODE_SELECT 0x55
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#define UFI_MODE_SENSE 0x5A
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#define UFI_READ_12 0xA8
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#define UFI_WRITE_12 0xAA
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class device_image_t;
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class usb_cbi_device_c : public usb_device_c {
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public:
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usb_cbi_device_c(const char *filename);
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virtual ~usb_cbi_device_c(void);
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virtual bx_bool init();
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virtual bx_bool set_option(const char *option);
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virtual const char* get_info();
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virtual void runtime_config(void);
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void restore_handler(bx_list_c *conf);
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virtual void handle_reset();
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virtual int handle_control(int request, int value, int index, int length, Bit8u *data);
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virtual int handle_data(USBPacket *p);
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virtual void register_state_specific(bx_list_c *parent);
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virtual void cancel_packet(USBPacket *p);
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static void floppy_timer_handler(void *);
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private:
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struct {
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Bit8u *dev_buffer;
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Bit32u usb_len;
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Bit8u *usb_buf;
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Bit32u data_len;
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Bit32u sector;
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Bit32u sector_count;
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Bit8u image_mode;
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device_image_t *hdimage;
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USBPacket *packet;
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const char *fname;
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bx_list_c *config;
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char info_txt[BX_PATHNAME_LEN];
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Bit8u cur_command;
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int fail_count;
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int sense;
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int asc;
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bx_bool did_inquiry_fail;
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bx_bool inserted; // 0 = media not present
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bx_bool wp; // 0 = not write_protected, 1 = write_protected
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bx_bool model; // 0 = bochs, 1 = teac
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int statusbar_id;
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bx_bool status_changed;
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int floppy_timer_index;
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} s;
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bx_bool handle_command(Bit8u *command);
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void start_timer(void);
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void floppy_read_sector(void);
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void copy_data(USBPacket *p);
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bx_bool set_inserted(bx_bool value);
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static const char *floppy_path_handler(bx_param_string_c *param, int set,
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const char *oldval, const char *val, int maxlen);
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static Bit64s floppy_param_handler(bx_param_c *param, int set, Bit64s val);
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};
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#endif
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