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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4973 | right-hear | 1 | #ifndef __OS_LAYER_OS_LAYER_H |
| 2 | #define __OS_LAYER_OS_LAYER_H |
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| 3 | |||
| 4 | #ifdef __cplusplus |
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| 5 | extern "C" { |
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| 6 | #endif |
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| 7 | |||
| 8 | #include |
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| 9 | #include |
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| 10 | #include |
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| 11 | |||
| 12 | #define __FSEMU_FLAG_USED 0x00000001 |
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| 13 | #define __FSEMU_FLAG_DIRECTORY 0x00000002 |
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| 14 | #define __FSEMU_FLAG_DEVICE 0x00000004 |
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| 15 | #define __FSEMU_FLAG_READ 0x00000008 |
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| 16 | #define __FSEMU_FLAG_WRITE 0x00000010 |
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| 17 | #define __FSEMU_FLAG_SEEK 0x00000020 |
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| 18 | #define __FSEMU_FLAG_STDIO 0x00000040 |
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| 19 | |||
| 20 | #define __FSF(x) __FSEMU_FLAG_##x |
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| 21 | |||
| 22 | #define T_FSF(x,f) ((x)&__FSF(f)) |
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| 23 | |||
| 24 | #define __FSEMU_BLOCK_SIZE 512 |
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| 25 | |||
| 26 | struct __fsemu_io_t; |
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| 27 | |||
| 28 | typedef struct |
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| 29 | { |
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| 30 | int (* putc)(int dev,int c); |
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| 31 | int (* getc)(int dev,int * c); |
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| 32 | int (* read)(struct __fsemu_io_t *,int blkno,int blkcount,char *); |
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| 33 | int (* write)(struct __fsemu_io_t *,int blkno,int blkcount,char *); |
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| 34 | } __fsemu_stdio_t; |
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| 35 | |||
| 36 | typedef struct __fsemu_io_t |
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| 37 | { |
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| 38 | char * filename; |
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| 39 | char * filebuffer; |
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| 40 | int handle; |
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| 41 | int pos; |
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| 42 | int size; |
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| 43 | int flags; |
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| 44 | char * systree_buf; |
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| 45 | struct systree_info * st_info; |
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| 46 | __fsemu_stdio_t * special_ops; |
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| 47 | } __fsemu_io_t; |
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| 48 | |||
| 49 | #define __FSEMU_MAX_FILES 64 |
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| 50 | |||
| 51 | extern __fsemu_stdio_t __fsemu_stdin_ops, |
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| 52 | __fsemu_stdout_ops, |
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| 53 | __fsemu_stderr_ops, |
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| 54 | __fsemu_stdprn_ops, |
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| 55 | __fsemu_stdaux_ops; |
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| 56 | |||
| 57 | #define __FSEMU_f_STDIN { "stdin",NULL,0,0,0,__FSF(USED)|__FSF(READ) \ |
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| 58 | |__FSF(DEVICE)|__FSF(STDIO), NULL,NULL,&__fsemu_stdin_ops } |
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| 59 | #define __FSEMU_f_STDOUT { "stdout",NULL,1,0,0,__FSF(USED)|__FSF(WRITE) \ |
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| 60 | |__FSF(DEVICE)|__FSF(STDIO), NULL,NULL,&__fsemu_stdout_ops } |
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| 61 | #define __FSEMU_f_STDERR { "stderr",NULL,2,0,0,__FSF(USED)|__FSF(WRITE) \ |
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| 62 | |__FSF(DEVICE)|__FSF(STDIO), NULL,NULL,&__fsemu_stderr_ops } |
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| 63 | #define __FSEMU_f_STDPRN { "stdprn",NULL,3,0,0,__FSF(USED)|__FSF(WRITE) \ |
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| 64 | |__FSF(DEVICE)|__FSF(STDIO), NULL,NULL,&__fsemu_stdprn_ops } |
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| 65 | #define __FSEMU_f_STDAUX { "stdaux",NULL,4,0,0,__FSF(USED)|__FSF(WRITE) \ |
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| 66 | |__FSF(DEVICE)|__FSF(STDIO)|__FSF(READ), NULL,NULL,&__fsemu_stdaux_ops } |
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| 67 | |||
| 68 | #define __FSEMU_STDIO_DECLS \ |
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| 69 | static __fsemu_io_t __fsemu_io_stdin=__FSEMU_f_STDIN; \ |
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| 70 | static __fsemu_io_t __fsemu_io_stdout=__FSEMU_f_STDOUT; \ |
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| 71 | static __fsemu_io_t __fsemu_io_stderr=__FSEMU_f_STDERR; \ |
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| 72 | static __fsemu_io_t __fsemu_io_stdprn=__FSEMU_f_STDPRN; \ |
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| 73 | static __fsemu_io_t __fsemu_io_stdaux=__FSEMU_f_STDAUX; |
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| 74 | |||
| 75 | #define __FSEMU_STDIO_TABLE_DECLS \ |
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| 76 | &__fsemu_io_stdin, \ |
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| 77 | &__fsemu_io_stdout, \ |
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| 78 | &__fsemu_io_stderr, \ |
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| 79 | &__fsemu_io_stdprn, \ |
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| 80 | &__fsemu_io_stdaux |
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| 81 | |||
| 82 | |||
| 83 | extern __fsemu_stdio_t __fsemu_rd1_ops, |
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| 84 | __fsemu_hd1_ops, |
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| 85 | __fsemu_hd2_ops, |
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| 86 | __fsemu_hd3_ops, |
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| 87 | __fsemu_hd4_ops; |
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| 88 | |||
| 89 | #define __FSEMU_f_RD1 { "/RD/1",NULL,5,0,0,__FSF(USED)|__FSF(READ)| \ |
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| 90 | __FSF(WRITE)|__FSF(DEVICE),NULL,NULL,&__fsemu_rd1_ops } |
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| 91 | #define __FSEMU_f_HD1 { "/HD/1",NULL,6,0,0,__FSF(USED)|__FSF(READ)| \ |
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| 92 | __FSF(DEVICE),NULL,NULL,&__fsemu_hd1_ops } |
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| 93 | #define __FSEMU_f_HD2 { "/HD/2",NULL,7,0,0,__FSF(USED)|__FSF(READ)| \ |
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| 94 | __FSF(DEVICE),NULL,NULL,&__fsemu_hd2_ops } |
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| 95 | #define __FSEMU_f_HD3 { "/HD/3",NULL,8,0,0,__FSF(USED)|__FSF(READ)| \ |
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| 96 | __FSF(DEVICE),NULL,NULL,&__fsemu_hd3_ops } |
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| 97 | #define __FSEMU_f_HD4 { "/HD/4",NULL,9,0,0,__FSF(USED)|__FSF(READ)| \ |
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| 98 | __FSF(DEVICE),NULL,NULL,&__fsemu_hd4_ops } |
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| 99 | |||
| 100 | #define __FSEMU_DEV_DECLS \ |
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| 101 | static __fsemu_io_t __fsemu_io_rd1=__FSEMU_f_RD1; \ |
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| 102 | static __fsemu_io_t __fsemu_io_hd1=__FSEMU_f_HD1; \ |
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| 103 | static __fsemu_io_t __fsemu_io_hd2=__FSEMU_f_HD2; \ |
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| 104 | static __fsemu_io_t __fsemu_io_hd3=__FSEMU_f_HD3; \ |
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| 105 | static __fsemu_io_t __fsemu_io_hd4=__FSEMU_f_HD4; |
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| 106 | |||
| 107 | #define __FSEMU_DEV_TABLE_DECLS \ |
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| 108 | &__fsemu_io_rd1, \ |
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| 109 | &__fsemu_io_hd1, \ |
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| 110 | &__fsemu_io_hd2, \ |
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| 111 | &__fsemu_io_hd3, \ |
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| 112 | &__fsemu_io_hd4 |
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| 113 | |||
| 114 | #define __F_READABLE(x) T_FSF(x,READ) |
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| 115 | #define __F_WRITABLE(x) T_FSF(x,WRITE) |
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| 116 | #define __F_SEEKABLE(x) T_FSF(x,SEEK) |
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| 117 | |||
| 118 | #ifdef __cplusplus |
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| 119 | } |
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| 120 | #endif |
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| 121 | |||
| 122 | #endif |