diff options
Diffstat (limited to 'tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F302R8/TOOLCHAIN_ARM_STD/sys.cpp')
| -rw-r--r-- | tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F302R8/TOOLCHAIN_ARM_STD/sys.cpp | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F302R8/TOOLCHAIN_ARM_STD/sys.cpp b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F302R8/TOOLCHAIN_ARM_STD/sys.cpp new file mode 100644 index 0000000000..bb665909b9 --- /dev/null +++ b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F302R8/TOOLCHAIN_ARM_STD/sys.cpp @@ -0,0 +1,56 @@ +/* mbed Microcontroller Library - stackheap + * Setup a fixed single stack/heap memory model, + * between the top of the RW/ZI region and the stackpointer + ******************************************************************************* + * Copyright (c) 2014, 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 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. + ******************************************************************************* + */ + +#ifdef __cplusplus +extern "C" { +#endif + +#include <rt_misc.h> +#include <stdint.h> + +extern char Image$$RW_IRAM1$$ZI$$Limit[]; + +extern __value_in_regs struct __initial_stackheap __user_setup_stackheap(uint32_t R0, uint32_t R1, uint32_t R2, uint32_t R3) { + uint32_t zi_limit = (uint32_t)Image$$RW_IRAM1$$ZI$$Limit; + uint32_t sp_limit = __current_sp(); + + zi_limit = (zi_limit + 7) & ~0x7; // ensure zi_limit is 8-byte aligned + + struct __initial_stackheap r; + r.heap_base = zi_limit; + r.heap_limit = sp_limit; + return r; +} + +#ifdef __cplusplus +} +#endif |