From 4c6b056b8467bb6513224527ff3120ef905de397 Mon Sep 17 00:00:00 2001
From: Paul Selkirk <paul@psgd.org>
Date: Wed, 11 Nov 2015 14:46:28 -0500
Subject: Lots of cleanup.

Clean up and simplify(?) Makefile.
Add copyrights as needed.
Add include guard to stm-fmc.h.
Move MX_USART2_UART_Init back to stm-init.c for possible copyright reasons.
Move libc, src, and include files to top level.
---
 libc/syscalls.c | 195 --------------------------------------------------------
 1 file changed, 195 deletions(-)
 delete mode 100644 libc/syscalls.c

(limited to 'libc/syscalls.c')

diff --git a/libc/syscalls.c b/libc/syscalls.c
deleted file mode 100644
index 9212763..0000000
--- a/libc/syscalls.c
+++ /dev/null
@@ -1,195 +0,0 @@
-/****************************************************************************
-*  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
-****************************************************************************/
-
-/* 2015-10-29 pselkirk for cryptech:
- * Changed asm to __asm for c99 compatibility.
- * Added _exit, _kill, and _getpid from mifi's 2013 revision.
- */
-
-#include <stdlib.h>
-#include <errno.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-
-/***************************************************************************/
-
-int _read_r (struct _reent *r, int file, char * ptr, int len)
-{
-  r = r;
-  file = file;
-  ptr = ptr;
-  len = len;
-  
-  errno = EINVAL;
-  return -1;
-}
-
-/***************************************************************************/
-
-int _lseek_r (struct _reent *r, int file, int ptr, int dir)
-{
-  r = r;
-  file = file;
-  ptr = ptr;
-  dir = dir;
-  
-  return 0;
-}
-
-/***************************************************************************/
-
-int _write_r (struct _reent *r, int file, char * ptr, int len)
-{  
-  r = r;
-  file = file;
-  ptr = ptr;
-
-#if 0
-  int index;
-  
-  /* For example, output string by UART */
-  for(index=0; index<len; index++)
-  {
-    if (ptr[index] == '\n')
-    {
-      uart_putc('\r');
-    }  
-
-    uart_putc(ptr[index]);
-  }  
-#endif   
-  
-  return len;
-}
-
-/***************************************************************************/
-
-int _close_r (struct _reent *r, int file)
-{
-  return 0;
-}
-
-/***************************************************************************/
-
-/* Register name faking - works in collusion with the linker.  */
-register char * stack_ptr __asm ("sp");
-
-caddr_t _sbrk_r (struct _reent *r, int incr)
-{
-  extern char   end __asm ("end"); /* Defined by the linker.  */
-  static char * heap_end;
-  char *        prev_heap_end;
-
-  if (heap_end == NULL)
-    heap_end = & end;
-  
-  prev_heap_end = heap_end;
-  
-  if (heap_end + incr > stack_ptr)
-  {
-      /* Some of the libstdc++-v3 tests rely upon detecting
-        out of memory errors, so do not abort here.  */
-#if 0
-      extern void abort (void);
-
-      _write (1, "_sbrk: Heap and stack collision\n", 32);
-      
-      abort ();
-#else
-      errno = ENOMEM;
-      return (caddr_t) -1;
-#endif
-  }
-  
-  heap_end += incr;
-
-  return (caddr_t) prev_heap_end;
-}
-
-/***************************************************************************/
-
-int _fstat_r (struct _reent *r, int file, struct stat * st)
-{
-  r = r; 
-  file = file;
-   
-  memset (st, 0, sizeof (* st));
-  st->st_mode = S_IFCHR;
-  return 0;
-}
-
-/***************************************************************************/
-
-int _isatty_r(struct _reent *r, int fd)
-{
-  r = r;
-  fd = fd;
-   
-  return 1;
-}
-
-/***************************************************************************/
-
-void _exit (int a)
-{
-  a = a;
-  
-  while(1) {};
-}
-
-/***************************************************************************/
-
-int _kill (int a, int b)
-{
-  a = a;
-  b = b;
-  
-  return 0;
-}
-
-/***************************************************************************/
-
-int _getpid(int a)
-{
-  a = a;
-  
-  return 0;
-}
-
-/*** EOF ***/
-
-
-- 
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