Import of the watch repository from Pebble

third_party/Atmel/syscalls.c

@@ -0,0 +1,162 @@
+/* ----------------------------------------------------------------------------
+ *         ATMEL Microcontroller Software Support
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2009, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL 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.
+ * ----------------------------------------------------------------------------
+ */
+
+/**
+  * \file syscalls.c
+  *
+  * Implementation of newlib syscall.
+  *
+  */
+
+/*----------------------------------------------------------------------------
+ *        Headers
+ *----------------------------------------------------------------------------*/
+
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include "drivers/dbgserial.h"
+#include "system/logging.h"
+#include "system/passert.h"
+#include "util/misc.h"
+
+/*----------------------------------------------------------------------------
+ *        Exported functions
+ *----------------------------------------------------------------------------*/
+extern void _kill( int pid, int sig ) ;
+extern int _getpid ( void ) ;
+
+void __malloc_lock (struct _reent *r) {
+}
+
+void __malloc_unlock (struct _reent *r) {
+}
+
+extern caddr_t _sbrk ( int incr ) {
+  return (caddr_t) -1;
+}
+
+extern int link( char *old, char *new )
+{
+    (void)old;
+    (void)new;
+    return -1 ;
+}
+
+extern int _close( int file )
+{
+    (void)file;
+    return -1 ;
+}
+
+extern int _open(const char *name, int flags, int mode) {
+  (void) name;
+  (void) flags;
+  (void) mode;
+
+  return -1;
+}
+
+extern int _fstat( int file, struct stat *st )
+{
+    (void)file;
+    st->st_mode = S_IFCHR ;
+
+    return 0 ;
+}
+
+extern int _isatty( int file )
+{
+    (void)file;
+    return 1 ;
+}
+
+extern int _lseek( int file, int ptr, int dir )
+{
+    (void)file;
+    (void)ptr;
+    (void)dir;
+    return 0 ;
+}
+
+extern int _read(int file, char *ptr, int len)
+{
+    (void)file;
+    (void)ptr;
+    (void)len;
+    return 0 ;
+}
+
+extern int _write( int file, char *ptr, int len ) {
+  (void) file;
+  (void) ptr;
+  (void) len;
+
+  return 0;
+}
+
+extern void _exit( int status )
+{
+    PBL_CROAK("_exit");
+    for ( ; ; ) ;
+}
+
+extern void _kill( int pid, int sig )
+{
+    PBL_CROAK("_kill");
+    return;
+}
+
+extern int _getpid ( void )
+{
+    return -1 ;
+}
+
+// For compiling with GCC 4.8 Toolchain
+// Wrapper for undefined __aeabi_memcpy and __aeabi_memcpy4
+// these functions cannot be aliased, as memcpy returns int, these have no return
+#if __GNUC__ >= 4 && __GNUC_MINOR__ > 7 // 4.7
+
+void __aeabi_memcpy(void *dest, const void *src, size_t n){
+  __builtin_memcpy (dest, src, n);
+}
+
+void __aeabi_memcpy4(void *dest, const void *src, size_t n){
+  __builtin_memcpy (dest, src, n);
+}
+
+#endif
+
+/* extern void _tzset_r(struct _reent *r) { */
+/*   (void) r; */
+/* } */