git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@5854 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 172 insertions, 0 deletions

diff --git a/os/various/syscalls.c b/os/various/syscalls.c
new file mode 100644
index 000000000..fd2449b40
--- /dev/null
+++ b/os/various/syscalls.c
@@ -0,0 +1,172 @@
+/*

+    ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio

+

+    Licensed under the Apache License, Version 2.0 (the "License");

+    you may not use this file except in compliance with the License.

+    You may obtain a copy of the License at

+

+        http://www.apache.org/licenses/LICENSE-2.0

+

+    Unless required by applicable law or agreed to in writing, software

+    distributed under the License is distributed on an "AS IS" BASIS,

+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

+    See the License for the specific language governing permissions and

+    limitations under the License.

+*/

+/*

+* **** This file incorporates work covered by the following copyright and ****

+* **** permission notice:                                                 ****

+*

+*  Copyright (c) 2009 by Michael Fischer. All rights reserved.

+*

+*  Redistribution and use in source and binary forms, with or without

+*  modification, are permitted provided that the following conditions

+*  are met:

+*

+*  1. Redistributions of source code must retain the above copyright

+*     notice, this list of conditions and the following disclaimer.

+*  2. Redistributions in binary form must reproduce the above copyright

+*     notice, this list of conditions and the following disclaimer in the

+*     documentation and/or other materials provided with the distribution.

+*  3. Neither the name of the author nor the names of its contributors may

+*     be used to endorse or promote products derived from this software

+*     without specific prior written permission.

+*

+*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

+*  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

+*  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS

+*  FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL

+*  THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,

+*  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,

+*  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS

+*  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED

+*  AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,

+*  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF

+*  THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

+*  SUCH DAMAGE.

+*

+****************************************************************************

+*  History:

+*

+*  28.03.09  mifi       First Version, based on the original syscall.c from

+*                       newlib version 1.17.0

+*  17.08.09  gdisirio   Modified the file for use under ChibiOS/RT

+*  15.11.09  gdisirio   Added read and write handling

+****************************************************************************/

+

+#include <stdlib.h>

+#include <errno.h>

+#include <string.h>

+#include <sys/stat.h>

+#include <sys/types.h>

+

+#include "ch.h"

+#if defined(STDOUT_SD) || defined(STDIN_SD)

+#include "hal.h"

+#endif

+

+/***************************************************************************/

+

+int _read_r(struct _reent *r, int file, char * ptr, int len)

+{

+  (void)r;

+#if defined(STDIN_SD)

+  if (!len || (file != 0)) {

+    __errno_r(r) = EINVAL;

+    return -1;

+  }

+  len = sdRead(&STDIN_SD, (uint8_t *)ptr, (size_t)len);

+  return len;

+#else

+  (void)file;

+  (void)ptr;

+  (void)len;

+  __errno_r(r) = EINVAL;

+  return -1;

+#endif

+}

+

+/***************************************************************************/

+

+int _lseek_r(struct _reent *r, int file, int ptr, int dir)

+{

+  (void)r;

+  (void)file;

+  (void)ptr;

+  (void)dir;

+

+  return 0;

+}

+

+/***************************************************************************/

+

+int _write_r(struct _reent *r, int file, char * ptr, int len)

+{

+  (void)r;

+  (void)file;

+  (void)ptr;

+#if defined(STDOUT_SD)

+  if (file != 1) {

+    __errno_r(r) = EINVAL;

+    return -1;

+  }

+  sdWrite(&STDOUT_SD, (uint8_t *)ptr, (size_t)len);

+#endif

+  return len;

+}

+

+/***************************************************************************/

+

+int _close_r(struct _reent *r, int file)

+{

+  (void)r;

+  (void)file;

+

+  return 0;

+}

+

+/***************************************************************************/

+

+caddr_t _sbrk_r(struct _reent *r, int incr)

+{

+#if CH_USE_MEMCORE

+  void *p;

+

+  chDbgCheck(incr > 0, "_sbrk_r");

+

+  (void)r;

+  p = chCoreAlloc((size_t)incr);

+  if (p == NULL) {

+    __errno_r(r) = ENOMEM;

+    return (caddr_t)-1;

+  }

+  return (caddr_t)p;

+#else

+  __errno_r(r) = ENOMEM;

+  return (caddr_t)-1;

+#endif

+}

+

+/***************************************************************************/

+

+int _fstat_r(struct _reent *r, int file, struct stat * st)

+{

+  (void)r;

+  (void)file;

+

+  memset(st, 0, sizeof(*st));

+  st->st_mode = S_IFCHR;

+  return 0;

+}

+

+/***************************************************************************/

+

+int _isatty_r(struct _reent *r, int fd)

+{

+  (void)r;

+  (void)fd;

+

+  return 1;

+}

+

+/*** EOF ***/