sai kiran / mbed-src

Watchdog Timer

Fork of mbed-src by mbed official

targets/cmsis/TARGET_WIZNET/TARGET_W7500x/TARGET_WIZwiki_W7500P/TOOLCHAIN_ARM_MICRO/sys.cpp@632:ff681937ffd8, 2015-09-28 (annotated)

Committer:
mbed_official
Date:
Mon Sep 28 13:00:10 2015 +0100
Revision:
632:ff681937ffd8
Synchronized with git revision 1be56c8134a3ed6004f149a84f658de45dda6a5c



Full URL: https://github.com/mbedmicro/mbed/commit/1be56c8134a3ed6004f149a84f658de45dda6a5c/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 632:ff681937ffd8 1 /* mbed Microcontroller Library - stackheap
mbed_official 632:ff681937ffd8 2 * Copyright (C) 2009-2011 ARM Limited. All rights reserved.
mbed_official 632:ff681937ffd8 3 *
mbed_official 632:ff681937ffd8 4 * Setup a fixed single stack/heap memory model,
mbed_official 632:ff681937ffd8 5 * between the top of the RW/ZI region and the stackpointer
mbed_official 632:ff681937ffd8 6 */
mbed_official 632:ff681937ffd8 7
mbed_official 632:ff681937ffd8 8 #ifdef __cplusplus
mbed_official 632:ff681937ffd8 9 extern "C" {
mbed_official 632:ff681937ffd8 10 #endif
mbed_official 632:ff681937ffd8 11
mbed_official 632:ff681937ffd8 12 #include <rt_misc.h>
mbed_official 632:ff681937ffd8 13 #include <stdint.h>
mbed_official 632:ff681937ffd8 14
mbed_official 632:ff681937ffd8 15 extern char Image$$RW_IRAM1$$ZI$$Limit[];
mbed_official 632:ff681937ffd8 16
mbed_official 632:ff681937ffd8 17 extern __value_in_regs struct __initial_stackheap __user_setup_stackheap(uint32_t R0, uint32_t R1, uint32_t R2, uint32_t R3) {
mbed_official 632:ff681937ffd8 18 uint32_t zi_limit = (uint32_t)Image$$RW_IRAM1$$ZI$$Limit;
mbed_official 632:ff681937ffd8 19 uint32_t sp_limit = __current_sp();
mbed_official 632:ff681937ffd8 20
mbed_official 632:ff681937ffd8 21 zi_limit = (zi_limit + 7) & ~0x7; // ensure zi_limit is 8-byte aligned
mbed_official 632:ff681937ffd8 22
mbed_official 632:ff681937ffd8 23 struct __initial_stackheap r;
mbed_official 632:ff681937ffd8 24 r.heap_base = zi_limit;
mbed_official 632:ff681937ffd8 25 r.heap_limit = sp_limit;
mbed_official 632:ff681937ffd8 26 return r;
mbed_official 632:ff681937ffd8 27 }
mbed_official 632:ff681937ffd8 28
mbed_official 632:ff681937ffd8 29 #ifdef __cplusplus
mbed_official 632:ff681937ffd8 30 }
mbed_official 632:ff681937ffd8 31 #endif