Sigve Sebastian Farstad / mbed-src

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targets/cmsis/TARGET_Freescale/TARGET_KLXX/TARGET_KL25Z/TOOLCHAIN_ARM_STD/sys.cpp@82:0b31dbcd4769, 2014-01-31 (annotated)

Committer:
mbed_official
Date:
Fri Jan 31 10:00:06 2014 +0000
Revision:
82:0b31dbcd4769
Parent:
targets/cmsis/TARGET_Freescale/TARGET_KL46Z/TOOLCHAIN_ARM_STD/sys.cpp@33:e214068ab66c 
Synchronized with git revision 74409cbd593d1daab530a57baaa563f30b04b018



Full URL: https://github.com/mbedmicro/mbed/commit/74409cbd593d1daab530a57baaa563f30b04b018/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 33:e214068ab66c 1 /* mbed Microcontroller Library - stackheap
mbed_official 33:e214068ab66c 2 * Copyright (C) 2009-2011 ARM Limited. All rights reserved.
mbed_official 33:e214068ab66c 3 *
mbed_official 33:e214068ab66c 4 * Setup a fixed single stack/heap memory model,
mbed_official 33:e214068ab66c 5 * between the top of the RW/ZI region and the stackpointer
mbed_official 33:e214068ab66c 6 */
mbed_official 33:e214068ab66c 7
mbed_official 33:e214068ab66c 8 #ifdef __cplusplus
mbed_official 33:e214068ab66c 9 extern "C" {
mbed_official 33:e214068ab66c 10 #endif
mbed_official 33:e214068ab66c 11
mbed_official 33:e214068ab66c 12 #include <rt_misc.h>
mbed_official 33:e214068ab66c 13 #include <stdint.h>
mbed_official 33:e214068ab66c 14
mbed_official 33:e214068ab66c 15 extern char Image$$RW_IRAM1$$ZI$$Limit[];
mbed_official 33:e214068ab66c 16
mbed_official 33:e214068ab66c 17 extern __value_in_regs struct __initial_stackheap __user_setup_stackheap(uint32_t R0, uint32_t R1, uint32_t R2, uint32_t R3) {
mbed_official 33:e214068ab66c 18 uint32_t zi_limit = (uint32_t)Image$$RW_IRAM1$$ZI$$Limit;
mbed_official 33:e214068ab66c 19 uint32_t sp_limit = __current_sp();
mbed_official 33:e214068ab66c 20
mbed_official 33:e214068ab66c 21 zi_limit = (zi_limit + 7) & ~0x7; // ensure zi_limit is 8-byte aligned
mbed_official 33:e214068ab66c 22
mbed_official 33:e214068ab66c 23 struct __initial_stackheap r;
mbed_official 33:e214068ab66c 24 r.heap_base = zi_limit;
mbed_official 33:e214068ab66c 25 r.heap_limit = sp_limit;
mbed_official 33:e214068ab66c 26 return r;
mbed_official 33:e214068ab66c 27 }
mbed_official 33:e214068ab66c 28
mbed_official 33:e214068ab66c 29 #ifdef __cplusplus
mbed_official 33:e214068ab66c 30 }
mbed_official 33:e214068ab66c 31 #endif