Frank 26080115
These are the examples provided for [[/users/frank26080115/libraries/LPC1700CMSIS_Lib/]] Note, the entire "program" is not compilable!
EMAC/EmacRaw/libnosys_gnu.c@0:bf7b9fba3924, 2011-03-20 (annotated)
- Committer:
- frank26080115
- Date:
- Sun Mar 20 05:38:56 2011 +0000
- Revision:
- 0:bf7b9fba3924
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| frank26080115 | 0:bf7b9fba3924 | 1 | /*********************************************************************** |
| frank26080115 | 0:bf7b9fba3924 | 2 | * $Id:: libnosys_gnu.c 1388 2008-12-01 19:20:06Z pdurgesh $ |
| frank26080115 | 0:bf7b9fba3924 | 3 | * |
| frank26080115 | 0:bf7b9fba3924 | 4 | * Project: Linosys function for GNU c compiler |
| frank26080115 | 0:bf7b9fba3924 | 5 | * |
| frank26080115 | 0:bf7b9fba3924 | 6 | * Description: |
| frank26080115 | 0:bf7b9fba3924 | 7 | * Definitions for OS interface, stub function required by newlibc |
| frank26080115 | 0:bf7b9fba3924 | 8 | * used by Codesourcery GNU compiler. |
| frank26080115 | 0:bf7b9fba3924 | 9 | * |
| frank26080115 | 0:bf7b9fba3924 | 10 | *********************************************************************** |
| frank26080115 | 0:bf7b9fba3924 | 11 | * Software that is described herein is for illustrative purposes only |
| frank26080115 | 0:bf7b9fba3924 | 12 | * which provides customers with programming information regarding the |
| frank26080115 | 0:bf7b9fba3924 | 13 | * products. This software is supplied "AS IS" without any warranties. |
| frank26080115 | 0:bf7b9fba3924 | 14 | * NXP Semiconductors assumes no responsibility or liability for the |
| frank26080115 | 0:bf7b9fba3924 | 15 | * use of the software, conveys no license or title under any patent, |
| frank26080115 | 0:bf7b9fba3924 | 16 | * copyright, or mask work right to the product. NXP Semiconductors |
| frank26080115 | 0:bf7b9fba3924 | 17 | * reserves the right to make changes in the software without |
| frank26080115 | 0:bf7b9fba3924 | 18 | * notification. NXP Semiconductors also make no representation or |
| frank26080115 | 0:bf7b9fba3924 | 19 | * warranty that such application will be suitable for the specified |
| frank26080115 | 0:bf7b9fba3924 | 20 | * use without further testing or modification. |
| frank26080115 | 0:bf7b9fba3924 | 21 | **********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 22 | #if defined(__GNUC__) |
| frank26080115 | 0:bf7b9fba3924 | 23 | |
| frank26080115 | 0:bf7b9fba3924 | 24 | #include "lpc_types.h" |
| frank26080115 | 0:bf7b9fba3924 | 25 | #include <errno.h> |
| frank26080115 | 0:bf7b9fba3924 | 26 | #include <sys/times.h> |
| frank26080115 | 0:bf7b9fba3924 | 27 | #include <sys/stat.h> |
| frank26080115 | 0:bf7b9fba3924 | 28 | |
| frank26080115 | 0:bf7b9fba3924 | 29 | /* errno definition */ |
| frank26080115 | 0:bf7b9fba3924 | 30 | #undef errno |
| frank26080115 | 0:bf7b9fba3924 | 31 | extern int errno; |
| frank26080115 | 0:bf7b9fba3924 | 32 | |
| frank26080115 | 0:bf7b9fba3924 | 33 | char *__env[1] = { 0 }; |
| frank26080115 | 0:bf7b9fba3924 | 34 | char **environ = __env; |
| frank26080115 | 0:bf7b9fba3924 | 35 | |
| frank26080115 | 0:bf7b9fba3924 | 36 | int _close(int file) |
| frank26080115 | 0:bf7b9fba3924 | 37 | { |
| frank26080115 | 0:bf7b9fba3924 | 38 | return -1; |
| frank26080115 | 0:bf7b9fba3924 | 39 | } |
| frank26080115 | 0:bf7b9fba3924 | 40 | |
| frank26080115 | 0:bf7b9fba3924 | 41 | int _execve(char *name, char **argv, char **env) |
| frank26080115 | 0:bf7b9fba3924 | 42 | { |
| frank26080115 | 0:bf7b9fba3924 | 43 | errno = ENOMEM; |
| frank26080115 | 0:bf7b9fba3924 | 44 | return -1; |
| frank26080115 | 0:bf7b9fba3924 | 45 | } |
| frank26080115 | 0:bf7b9fba3924 | 46 | int _exit() |
| frank26080115 | 0:bf7b9fba3924 | 47 | { |
| frank26080115 | 0:bf7b9fba3924 | 48 | return 0; |
| frank26080115 | 0:bf7b9fba3924 | 49 | } |
| frank26080115 | 0:bf7b9fba3924 | 50 | |
| frank26080115 | 0:bf7b9fba3924 | 51 | int _fork() |
| frank26080115 | 0:bf7b9fba3924 | 52 | { |
| frank26080115 | 0:bf7b9fba3924 | 53 | errno = EAGAIN; |
| frank26080115 | 0:bf7b9fba3924 | 54 | return -1; |
| frank26080115 | 0:bf7b9fba3924 | 55 | } |
| frank26080115 | 0:bf7b9fba3924 | 56 | |
| frank26080115 | 0:bf7b9fba3924 | 57 | int _fstat(int file, struct stat *st) |
| frank26080115 | 0:bf7b9fba3924 | 58 | { |
| frank26080115 | 0:bf7b9fba3924 | 59 | st->st_mode = S_IFCHR; |
| frank26080115 | 0:bf7b9fba3924 | 60 | return 0; |
| frank26080115 | 0:bf7b9fba3924 | 61 | } |
| frank26080115 | 0:bf7b9fba3924 | 62 | |
| frank26080115 | 0:bf7b9fba3924 | 63 | int _getpid() |
| frank26080115 | 0:bf7b9fba3924 | 64 | { |
| frank26080115 | 0:bf7b9fba3924 | 65 | return 1; |
| frank26080115 | 0:bf7b9fba3924 | 66 | } |
| frank26080115 | 0:bf7b9fba3924 | 67 | |
| frank26080115 | 0:bf7b9fba3924 | 68 | int _kill(int pid, int sig) |
| frank26080115 | 0:bf7b9fba3924 | 69 | { |
| frank26080115 | 0:bf7b9fba3924 | 70 | errno = EINVAL; |
| frank26080115 | 0:bf7b9fba3924 | 71 | return(-1); |
| frank26080115 | 0:bf7b9fba3924 | 72 | } |
| frank26080115 | 0:bf7b9fba3924 | 73 | |
| frank26080115 | 0:bf7b9fba3924 | 74 | int isatty(int fildes) |
| frank26080115 | 0:bf7b9fba3924 | 75 | { |
| frank26080115 | 0:bf7b9fba3924 | 76 | return 1; |
| frank26080115 | 0:bf7b9fba3924 | 77 | } |
| frank26080115 | 0:bf7b9fba3924 | 78 | int _isatty(int fildes) |
| frank26080115 | 0:bf7b9fba3924 | 79 | { |
| frank26080115 | 0:bf7b9fba3924 | 80 | return 1; |
| frank26080115 | 0:bf7b9fba3924 | 81 | } |
| frank26080115 | 0:bf7b9fba3924 | 82 | |
| frank26080115 | 0:bf7b9fba3924 | 83 | int _link(char *old, char *new) |
| frank26080115 | 0:bf7b9fba3924 | 84 | { |
| frank26080115 | 0:bf7b9fba3924 | 85 | errno = EMLINK; |
| frank26080115 | 0:bf7b9fba3924 | 86 | return -1; |
| frank26080115 | 0:bf7b9fba3924 | 87 | } |
| frank26080115 | 0:bf7b9fba3924 | 88 | |
| frank26080115 | 0:bf7b9fba3924 | 89 | int _lseek(int file, int ptr, int dir) |
| frank26080115 | 0:bf7b9fba3924 | 90 | { |
| frank26080115 | 0:bf7b9fba3924 | 91 | return 0; |
| frank26080115 | 0:bf7b9fba3924 | 92 | } |
| frank26080115 | 0:bf7b9fba3924 | 93 | |
| frank26080115 | 0:bf7b9fba3924 | 94 | int _open(const char *name, int flags, int mode) |
| frank26080115 | 0:bf7b9fba3924 | 95 | { |
| frank26080115 | 0:bf7b9fba3924 | 96 | return -1; |
| frank26080115 | 0:bf7b9fba3924 | 97 | } |
| frank26080115 | 0:bf7b9fba3924 | 98 | |
| frank26080115 | 0:bf7b9fba3924 | 99 | int _read(int file, char *ptr, int len) |
| frank26080115 | 0:bf7b9fba3924 | 100 | { |
| frank26080115 | 0:bf7b9fba3924 | 101 | return 0; |
| frank26080115 | 0:bf7b9fba3924 | 102 | } |
| frank26080115 | 0:bf7b9fba3924 | 103 | |
| frank26080115 | 0:bf7b9fba3924 | 104 | caddr_t _sbrk(int incr) |
| frank26080115 | 0:bf7b9fba3924 | 105 | { |
| frank26080115 | 0:bf7b9fba3924 | 106 | extern char estack; /* Defined by the linker */ |
| frank26080115 | 0:bf7b9fba3924 | 107 | static char *heap_end; |
| frank26080115 | 0:bf7b9fba3924 | 108 | char *prev_heap_end; |
| frank26080115 | 0:bf7b9fba3924 | 109 | |
| frank26080115 | 0:bf7b9fba3924 | 110 | if (heap_end == 0) |
| frank26080115 | 0:bf7b9fba3924 | 111 | { |
| frank26080115 | 0:bf7b9fba3924 | 112 | heap_end = &estack; |
| frank26080115 | 0:bf7b9fba3924 | 113 | /* give 16KB area for stacks and use the rest of memory for heap*/ |
| frank26080115 | 0:bf7b9fba3924 | 114 | heap_end += 0x4000; |
| frank26080115 | 0:bf7b9fba3924 | 115 | } |
| frank26080115 | 0:bf7b9fba3924 | 116 | prev_heap_end = heap_end; |
| frank26080115 | 0:bf7b9fba3924 | 117 | |
| frank26080115 | 0:bf7b9fba3924 | 118 | heap_end += incr; |
| frank26080115 | 0:bf7b9fba3924 | 119 | return (caddr_t) prev_heap_end; |
| frank26080115 | 0:bf7b9fba3924 | 120 | } |
| frank26080115 | 0:bf7b9fba3924 | 121 | |
| frank26080115 | 0:bf7b9fba3924 | 122 | int _stat(char *file, struct stat *st) |
| frank26080115 | 0:bf7b9fba3924 | 123 | { |
| frank26080115 | 0:bf7b9fba3924 | 124 | st->st_mode = S_IFCHR; |
| frank26080115 | 0:bf7b9fba3924 | 125 | return 0; |
| frank26080115 | 0:bf7b9fba3924 | 126 | } |
| frank26080115 | 0:bf7b9fba3924 | 127 | int _times(struct tms *buf) |
| frank26080115 | 0:bf7b9fba3924 | 128 | { |
| frank26080115 | 0:bf7b9fba3924 | 129 | return -1; |
| frank26080115 | 0:bf7b9fba3924 | 130 | } |
| frank26080115 | 0:bf7b9fba3924 | 131 | |
| frank26080115 | 0:bf7b9fba3924 | 132 | int _unlink(char *name) |
| frank26080115 | 0:bf7b9fba3924 | 133 | { |
| frank26080115 | 0:bf7b9fba3924 | 134 | errno = ENOENT; |
| frank26080115 | 0:bf7b9fba3924 | 135 | return -1; |
| frank26080115 | 0:bf7b9fba3924 | 136 | } |
| frank26080115 | 0:bf7b9fba3924 | 137 | |
| frank26080115 | 0:bf7b9fba3924 | 138 | int _wait(int *status) |
| frank26080115 | 0:bf7b9fba3924 | 139 | { |
| frank26080115 | 0:bf7b9fba3924 | 140 | errno = ECHILD; |
| frank26080115 | 0:bf7b9fba3924 | 141 | return -1; |
| frank26080115 | 0:bf7b9fba3924 | 142 | } |
| frank26080115 | 0:bf7b9fba3924 | 143 | |
| frank26080115 | 0:bf7b9fba3924 | 144 | int _write(int file, char *ptr, int len) |
| frank26080115 | 0:bf7b9fba3924 | 145 | { |
| frank26080115 | 0:bf7b9fba3924 | 146 | return 0; |
| frank26080115 | 0:bf7b9fba3924 | 147 | } |
| frank26080115 | 0:bf7b9fba3924 | 148 | |
| frank26080115 | 0:bf7b9fba3924 | 149 | #endif /*__GNUC__*/ |