Bernhard Filzmaier / mbed-src

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targets/cmsis/TARGET_NXP/TARGET_LPC11U6X/TOOLCHAIN_ARM_MICRO/sys.cpp@174:8bb9f3a33240, 2014-04-29 (annotated)

Committer:
mbed_official
Date:
Tue Apr 29 11:15:07 2014 +0100
Revision:
174:8bb9f3a33240
Synchronized with git revision 5bf985ebc651a2c31cefabd9d62c51dc465ef60a



Full URL: https://github.com/mbedmicro/mbed/commit/5bf985ebc651a2c31cefabd9d62c51dc465ef60a/



[NUCLEO_L152RE/F103RB] Add LSE configuration for RTC

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 174:8bb9f3a33240 1 /* mbed Microcontroller Library - stackheap
mbed_official 174:8bb9f3a33240 2 * Copyright (C) 2009-2011 ARM Limited. All rights reserved.
mbed_official 174:8bb9f3a33240 3 *
mbed_official 174:8bb9f3a33240 4 * Setup a fixed single stack/heap memory model,
mbed_official 174:8bb9f3a33240 5 * between the top of the RW/ZI region and the stackpointer
mbed_official 174:8bb9f3a33240 6 */
mbed_official 174:8bb9f3a33240 7
mbed_official 174:8bb9f3a33240 8 #ifdef __cplusplus
mbed_official 174:8bb9f3a33240 9 extern "C" {
mbed_official 174:8bb9f3a33240 10 #endif
mbed_official 174:8bb9f3a33240 11
mbed_official 174:8bb9f3a33240 12 #include <rt_misc.h>
mbed_official 174:8bb9f3a33240 13 #include <stdint.h>
mbed_official 174:8bb9f3a33240 14
mbed_official 174:8bb9f3a33240 15 extern char Image$$RW_IRAM1$$ZI$$Limit[];
mbed_official 174:8bb9f3a33240 16
mbed_official 174:8bb9f3a33240 17 extern __value_in_regs struct __initial_stackheap __user_setup_stackheap(uint32_t R0, uint32_t R1, uint32_t R2, uint32_t R3) {
mbed_official 174:8bb9f3a33240 18 uint32_t zi_limit = (uint32_t)Image$$RW_IRAM1$$ZI$$Limit;
mbed_official 174:8bb9f3a33240 19 uint32_t sp_limit = __current_sp();
mbed_official 174:8bb9f3a33240 20
mbed_official 174:8bb9f3a33240 21 zi_limit = (zi_limit + 7) & ~0x7; // ensure zi_limit is 8-byte aligned
mbed_official 174:8bb9f3a33240 22
mbed_official 174:8bb9f3a33240 23 struct __initial_stackheap r;
mbed_official 174:8bb9f3a33240 24 r.heap_base = zi_limit;
mbed_official 174:8bb9f3a33240 25 r.heap_limit = sp_limit;
mbed_official 174:8bb9f3a33240 26 return r;
mbed_official 174:8bb9f3a33240 27 }
mbed_official 174:8bb9f3a33240 28
mbed_official 174:8bb9f3a33240 29 #ifdef __cplusplus
mbed_official 174:8bb9f3a33240 30 }
mbed_official 174:8bb9f3a33240 31 #endif