From bc481107298791bf0efd984ecc53dc92b8719878 Mon Sep 17 00:00:00 2001 From: Clyhtsuriva Date: Tue, 26 Jan 2021 18:26:26 +0100 Subject: Insertion du projet dans sa totalité MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- simonnnnn/Core/Src/syscalls.c | 207 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 207 insertions(+) create mode 100644 simonnnnn/Core/Src/syscalls.c (limited to 'simonnnnn/Core/Src/syscalls.c') diff --git a/simonnnnn/Core/Src/syscalls.c b/simonnnnn/Core/Src/syscalls.c new file mode 100644 index 0000000..914f768 --- /dev/null +++ b/simonnnnn/Core/Src/syscalls.c @@ -0,0 +1,207 @@ +/** +***************************************************************************** +** +** File : syscalls.c +** +** Author : Auto-generated by System workbench for STM32 +** +** Abstract : System Workbench Minimal System calls file +** +** For more information about which c-functions +** need which of these lowlevel functions +** please consult the Newlib libc-manual +** +** Target : STMicroelectronics STM32 +** +** Distribution: The file is distributed “as is,” without any warranty +** of any kind. +** +***************************************************************************** +** @attention +** +**

© COPYRIGHT(c) 2019 STMicroelectronics

+** +** 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 STMicroelectronics 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 HOLDER 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. +** +***************************************************************************** +*/ + +/* Includes */ +#include +#include +#include +#include +#include +#include +#include +#include + + +/* Variables */ +//#undef errno +extern int errno; +extern int __io_putchar(int ch) __attribute__((weak)); +extern int __io_getchar(void) __attribute__((weak)); + +register char * stack_ptr asm("sp"); + +char *__env[1] = { 0 }; +char **environ = __env; + + +/* Functions */ +void initialise_monitor_handles() +{ +} + +int _getpid(void) +{ + return 1; +} + +int _kill(int pid, int sig) +{ + errno = EINVAL; + return -1; +} + +void _exit (int status) +{ + _kill(status, -1); + while (1) {} /* Make sure we hang here */ +} + +__attribute__((weak)) int _read(int file, char *ptr, int len) +{ + int DataIdx; + + for (DataIdx = 0; DataIdx < len; DataIdx++) + { + *ptr++ = __io_getchar(); + } + +return len; +} + +__attribute__((weak)) int _write(int file, char *ptr, int len) +{ + int DataIdx; + + for (DataIdx = 0; DataIdx < len; DataIdx++) + { + __io_putchar(*ptr++); + } + return len; +} + +caddr_t _sbrk(int incr) +{ + extern char end asm("end"); + 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; +} + +int _close(int file) +{ + return -1; +} + + +int _fstat(int file, struct stat *st) +{ + st->st_mode = S_IFCHR; + return 0; +} + +int _isatty(int file) +{ + return 1; +} + +int _lseek(int file, int ptr, int dir) +{ + return 0; +} + +int _open(char *path, int flags, ...) +{ + /* Pretend like we always fail */ + return -1; +} + +int _wait(int *status) +{ + errno = ECHILD; + return -1; +} + +int _unlink(char *name) +{ + errno = ENOENT; + return -1; +} + +int _times(struct tms *buf) +{ + return -1; +} + +int _stat(char *file, struct stat *st) +{ + st->st_mode = S_IFCHR; + return 0; +} + +int _link(char *old, char *new) +{ + errno = EMLINK; + return -1; +} + +int _fork(void) +{ + errno = EAGAIN; + return -1; +} + +int _execve(char *name, char **argv, char **env) +{ + errno = ENOMEM; + return -1; +} -- cgit v1.2.3