1 /* ----------------------------------------------------------------------------
2 * SAM Software Package License
3 * ----------------------------------------------------------------------------
4 * Copyright (c) 2011, Atmel Corporation
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are met:
11 * - Redistributions of source code must retain the above copyright notice,
12 * this list of conditions and the disclaimer below.
14 * Atmel's name may not be used to endorse or promote products derived from
15 * this software without specific prior written permission.
17 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
20 * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
23 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
24 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
25 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
26 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 * ----------------------------------------------------------------------------
33 * Implementation of syscall bindings.
37 /*----------------------------------------------------------------------------
39 *----------------------------------------------------------------------------*/
41 #include "misc/console.h"
47 #include <sys/types.h>
50 /*----------------------------------------------------------------------------
52 *----------------------------------------------------------------------------*/
56 /*----------------------------------------------------------------------------
58 *----------------------------------------------------------------------------*/
60 /* Desactivate stream buffering */
61 CONSTRUCTOR static void _disable_io_buffering(void)
63 setvbuf(stdout, (char *)NULL, _IONBF, 0);
66 extern caddr_t _sbrk(int incr);
67 caddr_t _sbrk(int incr)
69 static unsigned char *heap = NULL;
70 unsigned char *prev_heap;
73 heap = (unsigned char *) &_heap;
79 return (caddr_t) prev_heap;
82 extern int _getpid(void);
88 extern void _kill(int pid, int sig);
89 void _kill(int pid, int sig)
94 extern void _exit(int status);
95 void _exit(int status)
97 printf("Program terminated with status %d.\n", status);
101 extern int _fstat(int file, struct stat *st);
102 int _fstat(int file, struct stat *st)
104 st->st_mode = S_IFCHR;
108 extern int _lseek(int file, int ptr, int dir);
109 int _lseek(int file, int ptr, int dir)
114 extern int _isatty(int file);
115 int _isatty(int file)
120 extern int _read(int file, char *ptr, int len);
121 int _read(int file, char *ptr, int len)
126 extern int _write(int file, char *ptr, int len);
127 int _write(int file, char *ptr, int len)
131 for (i = 0; i < len; i++, ptr++) {
132 console_put_char(*ptr);
138 extern int _close(int file);
144 #elif defined __ICCARM__ /* IAR Ewarm 5.41+ */
147 * \brief Outputs a character on the DBGU.
149 * \param c Character to output.
151 * \return The character that was output.
153 WEAK int putchar(int c)
159 #endif /* defined __ICCARM__ */