Cortex Challenge Team / mbed-src

mbed library sources for small microcontrollers such as STM32F050F6P6 (with 4 kB RAM)

Dependents:   STM32F031_blink_LED_1

Fork of mbed-src by mbed official

targets/cmsis/TARGET_NXP/TARGET_LPC11U6X/TOOLCHAIN_ARM_STD/sys.cpp@475:a5319011ffc3, 2015-02-16 (annotated)

Committer:
mbed_official
Date:
Mon Feb 16 08:45:06 2015 +0000
Revision:
475:a5319011ffc3
Synchronized with git revision b5fbcc75aacd176bb35bcea2506ed75cb1dbcacb



Full URL: https://github.com/mbedmicro/mbed/commit/b5fbcc75aacd176bb35bcea2506ed75cb1dbcacb/



LPC11U68 build support extended to ARM toolchain, uvision export template added

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 475:a5319011ffc3 1 /* mbed Microcontroller Library - stackheap
mbed_official 475:a5319011ffc3 2 * Copyright (C) 2009-2011 ARM Limited. All rights reserved.
mbed_official 475:a5319011ffc3 3 *
mbed_official 475:a5319011ffc3 4 * Setup a fixed single stack/heap memory model,
mbed_official 475:a5319011ffc3 5 * between the top of the RW/ZI region and the stackpointer
mbed_official 475:a5319011ffc3 6 */
mbed_official 475:a5319011ffc3 7
mbed_official 475:a5319011ffc3 8 #ifdef __cplusplus
mbed_official 475:a5319011ffc3 9 extern "C" {
mbed_official 475:a5319011ffc3 10 #endif
mbed_official 475:a5319011ffc3 11
mbed_official 475:a5319011ffc3 12 #include <rt_misc.h>
mbed_official 475:a5319011ffc3 13 #include <stdint.h>
mbed_official 475:a5319011ffc3 14
mbed_official 475:a5319011ffc3 15 extern char Image$$RW_IRAM1$$ZI$$Limit[];
mbed_official 475:a5319011ffc3 16
mbed_official 475:a5319011ffc3 17 extern __value_in_regs struct __initial_stackheap __user_setup_stackheap(uint32_t R0, uint32_t R1, uint32_t R2, uint32_t R3) {
mbed_official 475:a5319011ffc3 18 uint32_t zi_limit = (uint32_t)Image$$RW_IRAM1$$ZI$$Limit;
mbed_official 475:a5319011ffc3 19 uint32_t sp_limit = __current_sp();
mbed_official 475:a5319011ffc3 20
mbed_official 475:a5319011ffc3 21 zi_limit = (zi_limit + 7) & ~0x7; // ensure zi_limit is 8-byte aligned
mbed_official 475:a5319011ffc3 22
mbed_official 475:a5319011ffc3 23 struct __initial_stackheap r;
mbed_official 475:a5319011ffc3 24 r.heap_base = zi_limit;
mbed_official 475:a5319011ffc3 25 r.heap_limit = sp_limit;
mbed_official 475:a5319011ffc3 26 return r;
mbed_official 475:a5319011ffc3 27 }
mbed_official 475:a5319011ffc3 28
mbed_official 475:a5319011ffc3 29 #ifdef __cplusplus
mbed_official 475:a5319011ffc3 30 }
mbed_official 475:a5319011ffc3 31 #endif