Cleanups, some fixes, moved zip.ch into the disk/ folder.
This commit is contained in:
waltje
@@ -9,7 +9,7 @@
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* Implementation of the IDE emulation for hard disks and ATAPI
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* CD-ROM devices.
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*
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* Version: @(#)hdc_ide.c 1.0.1 2018/02/14
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* Version: @(#)hdc_ide.c 1.0.2 2018/02/24
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*
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* Authors: Miran Grca, <mgrca8@gmail.com>
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* Sarah Walker, <tommowalker@tommowalker.co.uk>
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@@ -55,12 +55,12 @@
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#include "../device.h"
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#include "../cdrom/cdrom.h"
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#include "../scsi/scsi.h"
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#include "../zip.h"
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#include "../plat.h"
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#include "../ui.h"
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#include "hdc.h"
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#include "hdc_ide.h"
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#include "hdd.h"
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#include "zip.h"
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/* Bits of 'atastat' */
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2582
src/disk/zip.c
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2582
src/disk/zip.c
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File diff suppressed because it is too large
Load Diff
230
src/disk/zip.h
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230
src/disk/zip.h
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@@ -0,0 +1,230 @@
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/*
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* VARCem Virtual Archaelogical Computer EMulator.
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* An emulator of (mostly) x86-based PC systems and devices,
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* using the ISA,EISA,VLB,MCA and PCI system buses, roughly
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* spanning the era between 1981 and 1995.
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*
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* This file is part of the VARCem Project.
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*
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* Implementation of the Iomega ZIP drive with SCSI(-like)
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* commands, for both ATAPI and SCSI usage.
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*
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* Version: @(#)zip.h 1.0.1 2018/02/14
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*
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* Author: Miran Grca, <mgrca8@gmail.com>
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*
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* Copyright 2016-2018 Miran Grca.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* 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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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the:
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*
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* Free Software Foundation, Inc.
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* 59 Temple Place - Suite 330
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* Boston, MA 02111-1307
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* USA.
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*/
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#ifndef EMU_ZIP_H
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#define EMU_ZIP_H
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#define ZIP_NUM 4
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#define ZIP_PHASE_IDLE 0
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#define ZIP_PHASE_COMMAND 1
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#define ZIP_PHASE_COMPLETE 2
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#define ZIP_PHASE_DATA_IN 3
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#define ZIP_PHASE_DATA_IN_DMA 4
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#define ZIP_PHASE_DATA_OUT 5
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#define ZIP_PHASE_DATA_OUT_DMA 6
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#define ZIP_PHASE_ERROR 0x80
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#define BUF_SIZE 32768
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#define IDE_TIME (5LL * 100LL * (1LL << TIMER_SHIFT))
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#define ZIP_TIME (5LL * 100LL * (1LL << TIMER_SHIFT))
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#define ZIP_SECTORS (96*2048)
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#define ZIP_250_SECTORS (489532)
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enum {
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ZIP_BUS_DISABLED = 0,
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ZIP_BUS_ATAPI_PIO_ONLY = 4,
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ZIP_BUS_ATAPI_PIO_AND_DMA,
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ZIP_BUS_SCSI,
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ZIP_BUS_USB = 8
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};
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typedef struct {
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uint8_t previous_command;
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int toctimes;
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int media_status;
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int is_dma;
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int requested_blocks; /* This will be set to something other than 1 when block reads are implemented. */
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uint64_t current_page_code;
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int current_page_len;
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int current_page_pos;
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int mode_select_phase;
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int total_length;
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int written_length;
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int do_page_save;
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uint8_t error;
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uint8_t features;
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uint16_t request_length;
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uint8_t status;
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uint8_t phase;
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uint32_t sector_pos;
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uint32_t sector_len;
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uint32_t packet_len;
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int packet_status;
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uint8_t atapi_cdb[16];
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uint8_t current_cdb[16];
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uint32_t pos;
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int callback;
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int data_pos;
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int cdb_len_setting;
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int cdb_len;
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int cd_status;
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int prev_status;
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int unit_attention;
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uint8_t sense[256];
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int request_pos;
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uint8_t *buffer;
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int times;
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uint32_t seek_pos;
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int total_read;
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int block_total;
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int all_blocks_total;
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int old_len;
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int block_descriptor_len;
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int init_length;
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} zip_t;
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typedef struct {
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int max_blocks_at_once;
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int host_drive;
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int prev_host_drive;
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unsigned int bus_type; /* 0 = ATAPI, 1 = SCSI */
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uint8_t bus_mode; /* Bit 0 = PIO suported;
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Bit 1 = DMA supportd. */
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uint8_t ide_channel;
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unsigned int scsi_device_id;
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unsigned int scsi_device_lun;
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unsigned int is_250;
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unsigned int atapi_dma;
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wchar_t image_path[1024];
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wchar_t prev_image_path[1024];
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uint32_t medium_size;
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int read_only;
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int ui_writeprot;
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uint32_t base;
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FILE *f;
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} zip_drive_t;
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extern zip_t zip[ZIP_NUM];
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extern zip_drive_t zip_drives[ZIP_NUM];
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extern uint8_t atapi_zip_drives[8];
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extern uint8_t scsi_zip_drives[16][8];
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#define zip_sense_error zip[id].sense[0]
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#define zip_sense_key zip[id].sense[2]
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#define zip_asc zip[id].sense[12]
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#define zip_ascq zip[id].sense[13]
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#define zip_drive zip_drives[id].host_drive
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern int (*ide_bus_master_read)(int channel, uint8_t *data, int transfer_length);
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extern int (*ide_bus_master_write)(int channel, uint8_t *data, int transfer_length);
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extern void (*ide_bus_master_set_irq)(int channel);
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extern void ioctl_close(uint8_t id);
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extern uint32_t zip_mode_sense_get_channel(uint8_t id, int channel);
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extern uint32_t zip_mode_sense_get_volume(uint8_t id, int channel);
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extern void build_atapi_zip_map(void);
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extern void build_scsi_zip_map(void);
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extern int zip_ZIP_PHASE_to_scsi(uint8_t id);
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extern int zip_atapi_phase_to_scsi(uint8_t id);
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extern void zip_command(uint8_t id, uint8_t *cdb);
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extern void zip_phase_callback(uint8_t id);
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extern uint32_t zip_read(uint8_t channel, int length);
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extern void zip_write(uint8_t channel, uint32_t val, int length);
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extern int zip_lba_to_msf_accurate(int lba);
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extern void zip_close(uint8_t id);
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extern void zip_disk_reload(uint8_t id);
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extern void zip_reset(uint8_t id);
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extern void zip_set_signature(int id);
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extern void zip_request_sense_for_scsi(uint8_t id, uint8_t *buffer, uint8_t alloc_length);
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extern void zip_update_cdb(uint8_t *cdb, int lba_pos, int number_of_blocks);
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extern void zip_insert(uint8_t id);
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extern int find_zip_for_scsi_id(uint8_t scsi_id, uint8_t scsi_lun);
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extern int zip_read_capacity(uint8_t id, uint8_t *cdb, uint8_t *buffer, uint32_t *len);
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extern void zip_global_init(void);
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extern void zip_global_reset(void);
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extern void zip_hard_reset(void);
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extern int zip_load(uint8_t id, wchar_t *fn);
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extern void zip_close(uint8_t id);
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#ifdef __cplusplus
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}
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#endif
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#endif /*EMU_ZIP_H*/
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