Raphael Coeffic
c11d7d58ae
This also allows for reducing the propagated includes and thus avoid name clashes to FreeRTOS.
136 lines
2.4 KiB
C
136 lines
2.4 KiB
C
/*
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* Copyright (C) OpenTX
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*
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* Based on code named
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* th9x - http://code.google.com/p/th9x
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* er9x - http://code.google.com/p/er9x
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* gruvin9x - http://code.google.com/p/gruvin9x
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*
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* License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <stdio.h>
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#include <stdarg.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include "debug.h"
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#undef errno
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extern int errno;
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extern int _end;
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extern int _heap_end;
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unsigned char * heap = (unsigned char *)&_end;
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extern caddr_t _sbrk(int nbytes)
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{
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if (heap + nbytes < (unsigned char *)&_heap_end) {
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unsigned char * prev_heap = heap;
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heap += nbytes;
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return (caddr_t)prev_heap;
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}
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else {
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errno = ENOMEM;
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return ((void *)-1);
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}
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}
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#if defined(THREADSAFE_MALLOC) && !defined(BOOT)
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#include <FreeRTOS/include/FreeRTOS.h>
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#include <FreeRTOS/include/task.h>
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void __malloc_lock(struct _reent *r)
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{
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(void)(r);
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if (xTaskGetSchedulerState() != taskSCHEDULER_NOT_STARTED)
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vTaskSuspendAll();
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};
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void __malloc_unlock(struct _reent *r)
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{
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(void)(r);
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if (xTaskGetSchedulerState() != taskSCHEDULER_NOT_STARTED)
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(void)xTaskResumeAll();
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};
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#endif
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#if !defined(SEMIHOSTING)
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extern int _gettimeofday(void *p1, void *p2)
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{
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return 0;
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}
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extern int _link(char *old, char *nw)
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{
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return -1;
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}
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extern int _unlink(const char *path)
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{
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return -1;
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}
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extern int _open(const char *name, int flags, int mode)
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{
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return -1;
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}
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extern int _close(int file)
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{
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return -1;
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}
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extern int _fstat(int file, struct stat * st)
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{
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st->st_mode = S_IFCHR;
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return 0;
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}
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extern int _isatty(int file)
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{
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return 1;
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}
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extern int _lseek(int file, int ptr, int dir)
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{
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return 0;
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}
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extern int _read(int file, char *ptr, int len)
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{
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return 0;
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}
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extern int _write(int file, char *ptr, int len)
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{
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return 0;
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}
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extern int _getpid()
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{
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return -1;
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}
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#endif
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extern void _exit(int status)
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{
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TRACE("_exit(%d)", status);
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for (;;);
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}
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extern void _kill(int pid, int sig)
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{
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return;
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}
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