mbed official / mbed-src

mbed library sources

Dependents:   Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more

Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_ELMO_F411RE/TOOLCHAIN_ARM_STD/sys.cpp@625:6502bcae5f2c, 2015-09-25 (annotated)

Committer:
mbed_official
Date:
Fri Sep 25 12:00:11 2015 +0100
Revision:
625:6502bcae5f2c
Synchronized with git revision 724c07935c2d3e3d8a1b3e7274b29ba5dcbed7ad



Full URL: https://github.com/mbedmicro/mbed/commit/724c07935c2d3e3d8a1b3e7274b29ba5dcbed7ad/



Changes contains only "Copyright year information" and "KR styling". Safe to merge.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 625:6502bcae5f2c 1 /* mbed Microcontroller Library - stackheap
mbed_official 625:6502bcae5f2c 2 * Setup a fixed single stack/heap memory model,
mbed_official 625:6502bcae5f2c 3 * between the top of the RW/ZI region and the stackpointer
mbed_official 625:6502bcae5f2c 4 *******************************************************************************
mbed_official 625:6502bcae5f2c 5 * Copyright (c) 2014, STMicroelectronics
mbed_official 625:6502bcae5f2c 6 * All rights reserved.
mbed_official 625:6502bcae5f2c 7 *
mbed_official 625:6502bcae5f2c 8 * Redistribution and use in source and binary forms, with or without
mbed_official 625:6502bcae5f2c 9 * modification, are permitted provided that the following conditions are met:
mbed_official 625:6502bcae5f2c 10 *
mbed_official 625:6502bcae5f2c 11 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 625:6502bcae5f2c 12 * this list of conditions and the following disclaimer.
mbed_official 625:6502bcae5f2c 13 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 625:6502bcae5f2c 14 * this list of conditions and the following disclaimer in the documentation
mbed_official 625:6502bcae5f2c 15 * and/or other materials provided with the distribution.
mbed_official 625:6502bcae5f2c 16 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 625:6502bcae5f2c 17 * may be used to endorse or promote products derived from this software
mbed_official 625:6502bcae5f2c 18 * without specific prior written permission.
mbed_official 625:6502bcae5f2c 19 *
mbed_official 625:6502bcae5f2c 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 625:6502bcae5f2c 21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 625:6502bcae5f2c 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 625:6502bcae5f2c 23 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 625:6502bcae5f2c 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 625:6502bcae5f2c 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 625:6502bcae5f2c 26 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 625:6502bcae5f2c 27 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 625:6502bcae5f2c 28 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 625:6502bcae5f2c 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 625:6502bcae5f2c 30 *******************************************************************************
mbed_official 625:6502bcae5f2c 31 */
mbed_official 625:6502bcae5f2c 32
mbed_official 625:6502bcae5f2c 33 #ifdef __cplusplus
mbed_official 625:6502bcae5f2c 34 extern "C" {
mbed_official 625:6502bcae5f2c 35 #endif
mbed_official 625:6502bcae5f2c 36
mbed_official 625:6502bcae5f2c 37 #include <rt_misc.h>
mbed_official 625:6502bcae5f2c 38 #include <stdint.h>
mbed_official 625:6502bcae5f2c 39
mbed_official 625:6502bcae5f2c 40 extern char Image$$RW_IRAM1$$ZI$$Limit[];
mbed_official 625:6502bcae5f2c 41
mbed_official 625:6502bcae5f2c 42 extern __value_in_regs struct __initial_stackheap __user_setup_stackheap(uint32_t R0, uint32_t R1, uint32_t R2, uint32_t R3) {
mbed_official 625:6502bcae5f2c 43 uint32_t zi_limit = (uint32_t)Image$$RW_IRAM1$$ZI$$Limit;
mbed_official 625:6502bcae5f2c 44 uint32_t sp_limit = __current_sp();
mbed_official 625:6502bcae5f2c 45
mbed_official 625:6502bcae5f2c 46 zi_limit = (zi_limit + 7) & ~0x7; // ensure zi_limit is 8-byte aligned
mbed_official 625:6502bcae5f2c 47
mbed_official 625:6502bcae5f2c 48 struct __initial_stackheap r;
mbed_official 625:6502bcae5f2c 49 r.heap_base = zi_limit;
mbed_official 625:6502bcae5f2c 50 r.heap_limit = sp_limit;
mbed_official 625:6502bcae5f2c 51 return r;
mbed_official 625:6502bcae5f2c 52 }
mbed_official 625:6502bcae5f2c 53
mbed_official 625:6502bcae5f2c 54 #ifdef __cplusplus
mbed_official 625:6502bcae5f2c 55 }
mbed_official 625:6502bcae5f2c 56 #endif