forked from KolibriOS/kolibrios
123 lines
3.7 KiB
C
123 lines
3.7 KiB
C
#ifndef __OS_LAYER_OS_LAYER_H
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#define __OS_LAYER_OS_LAYER_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include<menuet/os.h>
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#include<stdio.h>
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#include<stdlib.h>
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#define __FSEMU_FLAG_USED 0x00000001
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#define __FSEMU_FLAG_DIRECTORY 0x00000002
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#define __FSEMU_FLAG_DEVICE 0x00000004
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#define __FSEMU_FLAG_READ 0x00000008
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#define __FSEMU_FLAG_WRITE 0x00000010
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#define __FSEMU_FLAG_SEEK 0x00000020
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#define __FSEMU_FLAG_STDIO 0x00000040
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#define __FSF(x) __FSEMU_FLAG_##x
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#define T_FSF(x,f) ((x)&__FSF(f))
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#define __FSEMU_BLOCK_SIZE 512
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struct __fsemu_io_t;
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typedef struct
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{
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int (* putc)(int dev,int c);
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int (* getc)(int dev,int * c);
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int (* read)(struct __fsemu_io_t *,int blkno,int blkcount,char *);
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int (* write)(struct __fsemu_io_t *,int blkno,int blkcount,char *);
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} __fsemu_stdio_t;
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typedef struct __fsemu_io_t
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{
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char * filename;
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char * filebuffer;
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int handle;
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int pos;
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int size;
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int flags;
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char * systree_buf;
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struct systree_info * st_info;
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__fsemu_stdio_t * special_ops;
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} __fsemu_io_t;
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#define __FSEMU_MAX_FILES 64
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extern __fsemu_stdio_t __fsemu_stdin_ops,
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__fsemu_stdout_ops,
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__fsemu_stderr_ops,
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__fsemu_stdprn_ops,
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__fsemu_stdaux_ops;
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#define __FSEMU_f_STDIN { "stdin",NULL,0,0,0,__FSF(USED)|__FSF(READ) \
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|__FSF(DEVICE)|__FSF(STDIO), NULL,NULL,&__fsemu_stdin_ops }
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#define __FSEMU_f_STDOUT { "stdout",NULL,1,0,0,__FSF(USED)|__FSF(WRITE) \
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|__FSF(DEVICE)|__FSF(STDIO), NULL,NULL,&__fsemu_stdout_ops }
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#define __FSEMU_f_STDERR { "stderr",NULL,2,0,0,__FSF(USED)|__FSF(WRITE) \
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|__FSF(DEVICE)|__FSF(STDIO), NULL,NULL,&__fsemu_stderr_ops }
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#define __FSEMU_f_STDPRN { "stdprn",NULL,3,0,0,__FSF(USED)|__FSF(WRITE) \
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|__FSF(DEVICE)|__FSF(STDIO), NULL,NULL,&__fsemu_stdprn_ops }
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#define __FSEMU_f_STDAUX { "stdaux",NULL,4,0,0,__FSF(USED)|__FSF(WRITE) \
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|__FSF(DEVICE)|__FSF(STDIO)|__FSF(READ), NULL,NULL,&__fsemu_stdaux_ops }
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#define __FSEMU_STDIO_DECLS \
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static __fsemu_io_t __fsemu_io_stdin=__FSEMU_f_STDIN; \
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static __fsemu_io_t __fsemu_io_stdout=__FSEMU_f_STDOUT; \
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static __fsemu_io_t __fsemu_io_stderr=__FSEMU_f_STDERR; \
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static __fsemu_io_t __fsemu_io_stdprn=__FSEMU_f_STDPRN; \
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static __fsemu_io_t __fsemu_io_stdaux=__FSEMU_f_STDAUX;
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#define __FSEMU_STDIO_TABLE_DECLS \
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&__fsemu_io_stdin, \
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&__fsemu_io_stdout, \
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&__fsemu_io_stderr, \
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&__fsemu_io_stdprn, \
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&__fsemu_io_stdaux
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extern __fsemu_stdio_t __fsemu_rd1_ops,
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__fsemu_hd1_ops,
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__fsemu_hd2_ops,
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__fsemu_hd3_ops,
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__fsemu_hd4_ops;
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#define __FSEMU_f_RD1 { "/RD/1",NULL,5,0,0,__FSF(USED)|__FSF(READ)| \
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__FSF(WRITE)|__FSF(DEVICE),NULL,NULL,&__fsemu_rd1_ops }
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#define __FSEMU_f_HD1 { "/HD/1",NULL,6,0,0,__FSF(USED)|__FSF(READ)| \
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__FSF(DEVICE),NULL,NULL,&__fsemu_hd1_ops }
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#define __FSEMU_f_HD2 { "/HD/2",NULL,7,0,0,__FSF(USED)|__FSF(READ)| \
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__FSF(DEVICE),NULL,NULL,&__fsemu_hd2_ops }
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#define __FSEMU_f_HD3 { "/HD/3",NULL,8,0,0,__FSF(USED)|__FSF(READ)| \
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__FSF(DEVICE),NULL,NULL,&__fsemu_hd3_ops }
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#define __FSEMU_f_HD4 { "/HD/4",NULL,9,0,0,__FSF(USED)|__FSF(READ)| \
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__FSF(DEVICE),NULL,NULL,&__fsemu_hd4_ops }
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#define __FSEMU_DEV_DECLS \
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static __fsemu_io_t __fsemu_io_rd1=__FSEMU_f_RD1; \
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static __fsemu_io_t __fsemu_io_hd1=__FSEMU_f_HD1; \
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static __fsemu_io_t __fsemu_io_hd2=__FSEMU_f_HD2; \
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static __fsemu_io_t __fsemu_io_hd3=__FSEMU_f_HD3; \
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static __fsemu_io_t __fsemu_io_hd4=__FSEMU_f_HD4;
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#define __FSEMU_DEV_TABLE_DECLS \
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&__fsemu_io_rd1, \
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&__fsemu_io_hd1, \
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&__fsemu_io_hd2, \
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&__fsemu_io_hd3, \
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&__fsemu_io_hd4
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#define __F_READABLE(x) T_FSF(x,READ)
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#define __F_WRITABLE(x) T_FSF(x,WRITE)
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#define __F_SEEKABLE(x) T_FSF(x,SEEK)
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#ifdef __cplusplus
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}
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#endif
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#endif
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