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https://github.com/open-simh/simtools.git
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3927147862
Fix some OS/8 directory handling routines which did not correctly handle directories with optional extended words. Add missing RL01 initialization support for RT11.
175 lines
6.4 KiB
C
175 lines
6.4 KiB
C
/*
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* Copyright (C) 2018 John Forecast. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY JOHN FORECAST "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __FSIO_H__
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#define __FSIO_H__
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#include <stdio.h>
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#include <stdint.h>
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#include "declib.h"
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/*
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* Mode for open files
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*/
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enum openMode { M_RD, M_WR };
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#include "dos11.h"
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#include "rt11.h"
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#include "dosmt.h"
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#include "os8.h"
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/*
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* All of the supported file systems are natively little endian so we only
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* need a subset of the endian support macros/routines.
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*/
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#if defined(__APPLE__)
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#include <libkern/OSByteOrder.h>
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#define htole16(x) OSSwapHostToLittleInt16(x)
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#define le16toh(x) OSSwapLittleToHostInt16(x)
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#define htole32(x) OSSwapHostToLittleInt32(x)
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#define le32toh(x) OSSwapLittleToHostInt32(x)
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#elif defined(__linux__)
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#include <endian.h>
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#elif defined(__NetBSD__)
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#include <sys/endian.h>
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#define le16toh(x) letoh16(x)
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#define le32toh(x) letoh32(x)
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#elif defined(__FreeBSD__) || defined(__OpenBSD__)
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#include <sys/endian.h>
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#endif
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#ifdef __GNUC__
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#define UNUSED(x) UNUSED_ ## x __attribute__((__unused__))
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#else
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#define UNUSED(x) UNUSED_ ## x
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#endif
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#define MAX_DEVLEN 16
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#if defined(__linux__)
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#define OPTIONS(s) "+" s
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#else
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#define OPTIONS(s) s
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#endif
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extern uint32_t swPresent;
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extern char *swValue[];
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#define SWISSET(c) ((swPresent & (1 << (c - 'a'))) != 0)
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#define SWSET(c) swPresent |= (1 << (c - 'a'))
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#define SWGETVAL(c) (swValue[c - 'a'])
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#define SWSETVAL(c, v) swValue[c - 'a'] = v
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#ifdef DEBUG
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extern FILE *DEBUGout;
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#define ERROR(...) { \
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fprintf(stderr, __VA_ARGS__); \
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if ((DEBUGout != NULL) && (DEBUGout != stdout)) \
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fprintf(DEBUGout, __VA_ARGS__); \
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}
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#else
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#define ERROR(...) fprintf(stderr, __VA_ARGS__)
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#endif
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struct mountedFS;
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/*
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* File system definition
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*/
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struct FSdef {
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struct FSdef *next; /* Pointer to next file system */
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char *fstype; /* File system type name */
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char *descr; /* File system description */
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uint16_t flags; /* Flags */
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size_t blocksz; /* Default block size */
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int (*mount)(struct mountedFS *);
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void (*umount)(struct mountedFS *);
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size_t (*size)(void);
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int (*newfs)(struct mountedFS *, size_t);
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void (*set)(struct mountedFS *, uint8_t, uint8_t);
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void (*info)(struct mountedFS *, uint8_t, uint8_t);
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void (*dir)(struct mountedFS *, uint8_t, char *);
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void *(*openFileR)(struct mountedFS *, uint8_t, char *);
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void *(*openFileW)(struct mountedFS *, uint8_t, char *, off_t);
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off_t (*fileSize)(void *);
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void (*closeFile)(void *);
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size_t (*readFile)(void *, void *, size_t);
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size_t (*writeFile)(void *, void *, size_t);
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void (*deleteFile)(void *, char *);
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/*
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* The following functions are only supported by magtape file systems.
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*/
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void (*rewind)(struct mountedFS *);
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void (*eom)(struct mountedFS *);
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void (*skipforw)(struct mountedFS *, unsigned long);
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void (*skiprev)(struct mountedFS *, unsigned long);
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};
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#define FS_UNITVALID 0x0001 /* Unit # valid in device name */
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#define FS_TAPE 0x0002 /* File system for magtapes */
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#define FS_EMPTYFILE 0x0004 /* Empty file is OK */
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#define FS_1OPENFILE 0x0008 /* Only support a single open file */
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/*
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* Mounted file system descriptor
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*/
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struct mountedFS {
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struct mountedFS *next; /* Pointer to next mounted file sys */
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char name[MAX_DEVLEN + 1];
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struct FSdef *filesys; /* File system */
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size_t blocksz; /* Active block size */
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uint16_t flags;
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#define FS_READONLY 0x0001 /* Mounted read-only */
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#define FS_DEBUG 0x0002 /* Debug output */
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/* Bits after 0x0080 reserved for */
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/* file system use */
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FILE *container; /* Container file access */
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off_t skip; /* Data to skip in container file */
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union {
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struct DOS11data _dos11;
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struct RT11data _rt11;
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struct DOSMTdata _dosmt;
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struct OS8data _os8;
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} FSdata;
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#define dos11data FSdata._dos11
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#define rt11data FSdata._rt11
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#define dosmtdata FSdata._dosmt
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#define os8data FSdata._os8
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};
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extern int FSioReadBlob(struct mountedFS *, off_t, unsigned int, void *);
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extern int FSioWriteBlob(struct mountedFS *, off_t, unsigned int, void *);
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extern int FSioReadBlock(struct mountedFS *, unsigned int, void *);
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extern int FSioWriteBlock(struct mountedFS *, unsigned int, void *);
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extern int FSioReadSector(struct mountedFS *, unsigned int, unsigned int, void *);
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extern int FSioWriteSector(struct mountedFS *, unsigned int, unsigned int, void *);
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#endif
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