1 files changed, 172 insertions, 0 deletions
diff --git a/ChibiOS_20.3.2/os/various/syscalls.c b/ChibiOS_20.3.2/os/various/syscalls.c
new file mode 100644
index 0000000..8da8f75
--- /dev/null
+++ b/ChibiOS_20.3.2/os/various/syscalls.c
@@ -0,0 +1,172 @@
+/*
+ ChibiOS - Copyright (C) 2006..2018 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
+
+/***************************************************************************/
+
+__attribute__((used))
+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
+}
+
+/***************************************************************************/
+
+__attribute__((used))
+int _lseek_r(struct _reent *r, int file, int ptr, int dir) {
+  (void)r;
+  (void)file;
+  (void)ptr;
+  (void)dir;
+
+  return 0;
+}
+
+/***************************************************************************/
+
+__attribute__((used))
+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;
+}
+
+/***************************************************************************/
+
+__attribute__((used))
+int _close_r(struct _reent *r, int file) {
+  (void)r;
+  (void)file;
+
+  return 0;
+}
+
+/***************************************************************************/
+
+__attribute__((used))
+caddr_t _sbrk_r(struct _reent *r, int incr) {
+#if CH_CFG_USE_MEMCORE
+  void *p;
+
+  chDbgCheck(incr >= 0);
+
+  p = chCoreAllocFromBase((size_t)incr, 1U, 0U);
+  if (p == NULL) {
+    __errno_r(r)  = ENOMEM;
+    return (caddr_t)-1;
+  }
+  return (caddr_t)p;
+#else
+  (void)incr;
+  __errno_r(r) = ENOMEM;
+  return (caddr_t)-1;
+#endif
+}
+
+/***************************************************************************/
+
+__attribute__((used))
+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;
+}
+
+/***************************************************************************/
+
+__attribute__((used))
+int _isatty_r(struct _reent *r, int fd) {
+  (void)r;
+  (void)fd;
+
+  return 1;
+}
+
+/*** EOF ***/