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License headers and code style fixes.

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This commit is contained in:
Marco Grella 2015-10-09 19:40:39 +02:00
parent 875bfd0a1a
commit fc65757114
45 changed files with 12232 additions and 12337 deletions
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66
cpu/arm/stm32l152/syscalls.c Normal file
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/*
* Copyright (c) 2012, STMicroelectronics.
* 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 Institute 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 INSTITUTE 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 INSTITUTE 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.
*
*
*/
/*---------------------------------------------------------------------------*/
/*
* Function implementation taken and adapted from:
* cpu/stm32w108/e_stdio/src/syscalls.c
*/
/*---------------------------------------------------------------------------*/
#include <errno.h>
#include <stdio.h>
/*---------------------------------------------------------------------------*/
extern int errno;
/*---------------------------------------------------------------------------*/
/* Register name faking - works in collusion with the linker. */
register char *stack_ptr asm ("sp");
/*---------------------------------------------------------------------------*/
caddr_t
_sbrk(int incr)
{
extern char end; /* Defined by the linker */
static char *heap_end;
char *prev_heap_end;
if(heap_end == 0) {
heap_end = &end;
}
prev_heap_end = heap_end;
if(heap_end + incr > stack_ptr) {
_write(1, "Heap and stack collision\n", 25);
/*abort ();*/
errno = ENOMEM;
return (caddr_t)-1;
}
heap_end += incr;
return (caddr_t)prev_heap_end;
}
/*---------------------------------------------------------------------------*/