Rename STM32Cube to GCC for STM32L4 Discovery projects as GCC is

[freertos] / FreeRTOS / Demo / CORTEX_MPU_STM32L4_Discovery_GCC_IAR_Keil / Projects / GCC / Startup / sysmem.c

diff --git a/FreeRTOS/Demo/CORTEX_MPU_STM32L4_Discovery_GCC_IAR_Keil/Projects/GCC/Startup/sysmem.c b/FreeRTOS/Demo/CORTEX_MPU_STM32L4_Discovery_GCC_IAR_Keil/Projects/GCC/Startup/sysmem.c
new file mode 100644 (file)
index 0000000..e5e1bc2
--- /dev/null
+++ b/FreeRTOS/Demo/CORTEX_MPU_STM32L4_Discovery_GCC_IAR_Keil/Projects/GCC/Startup/sysmem.c
@@ -0,0 +1,83 @@
+/**
+*****************************************************************************
+**
+**  File        : sysmem.c
+**
+**  Author         : Auto-generated by STM32CubeIDE
+**
+**  Abstract    : STM32CubeIDE Minimal System Memory calls file
+**
+**                       For more information about which c-functions
+**                need which of these lowlevel functions
+**                please consult the Newlib libc-manual
+**
+**  Environment : STM32CubeIDE MCU
+**
+**  Distribution: The file is distributed as is, without any warranty
+**                of any kind.
+**
+*****************************************************************************
+**
+** <h2><center>&copy; COPYRIGHT(c) 2018 STMicroelectronics</center></h2>
+**
+** 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 <errno.h>
+#include <stdio.h>
+
+/* Variables */
+extern int errno;
+register char * stack_ptr asm("sp");
+
+/* Functions */
+
+/**
+ _sbrk
+ Increase program data space. Malloc and related functions depend on this
+**/
+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)
+       {
+               errno = ENOMEM;
+               return (caddr_t) -1;
+       }
+
+       heap_end += incr;
+
+       return (caddr_t) prev_heap_end;
+}
+