mbed library sources
Dependents: frdm_kl05z_gpio_test
Fork of mbed-src by
targets/cmsis/TARGET_NXP/TARGET_LPC11XX_11CXX/TOOLCHAIN_ARM_STD/sys.cpp@30:91c1d09ada54, 2013-09-25 (annotated)
- Committer:
- mbed_official
- Date:
- Wed Sep 25 10:30:04 2013 +0100
- Revision:
- 30:91c1d09ada54
Synchronized with git revision 8f57c1e84759991fa81ede0da2b4aabe8530fa09
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 30:91c1d09ada54 | 1 | /* mbed Microcontroller Library - stackheap |
mbed_official | 30:91c1d09ada54 | 2 | * Copyright (C) 2009-2011 ARM Limited. All rights reserved. |
mbed_official | 30:91c1d09ada54 | 3 | * |
mbed_official | 30:91c1d09ada54 | 4 | * Setup a fixed single stack/heap memory model, |
mbed_official | 30:91c1d09ada54 | 5 | * between the top of the RW/ZI region and the stackpointer |
mbed_official | 30:91c1d09ada54 | 6 | */ |
mbed_official | 30:91c1d09ada54 | 7 | |
mbed_official | 30:91c1d09ada54 | 8 | #ifdef __cplusplus |
mbed_official | 30:91c1d09ada54 | 9 | extern "C" { |
mbed_official | 30:91c1d09ada54 | 10 | #endif |
mbed_official | 30:91c1d09ada54 | 11 | |
mbed_official | 30:91c1d09ada54 | 12 | #include <rt_misc.h> |
mbed_official | 30:91c1d09ada54 | 13 | #include <stdint.h> |
mbed_official | 30:91c1d09ada54 | 14 | |
mbed_official | 30:91c1d09ada54 | 15 | extern char Image$$RW_IRAM1$$ZI$$Limit[]; |
mbed_official | 30:91c1d09ada54 | 16 | |
mbed_official | 30:91c1d09ada54 | 17 | extern __value_in_regs struct __initial_stackheap __user_setup_stackheap(uint32_t R0, uint32_t R1, uint32_t R2, uint32_t R3) { |
mbed_official | 30:91c1d09ada54 | 18 | uint32_t zi_limit = (uint32_t)Image$$RW_IRAM1$$ZI$$Limit; |
mbed_official | 30:91c1d09ada54 | 19 | uint32_t sp_limit = __current_sp(); |
mbed_official | 30:91c1d09ada54 | 20 | |
mbed_official | 30:91c1d09ada54 | 21 | zi_limit = (zi_limit + 7) & ~0x7; // ensure zi_limit is 8-byte aligned |
mbed_official | 30:91c1d09ada54 | 22 | |
mbed_official | 30:91c1d09ada54 | 23 | struct __initial_stackheap r; |
mbed_official | 30:91c1d09ada54 | 24 | r.heap_base = zi_limit; |
mbed_official | 30:91c1d09ada54 | 25 | r.heap_limit = sp_limit; |
mbed_official | 30:91c1d09ada54 | 26 | return r; |
mbed_official | 30:91c1d09ada54 | 27 | } |
mbed_official | 30:91c1d09ada54 | 28 | |
mbed_official | 30:91c1d09ada54 | 29 | #ifdef __cplusplus |
mbed_official | 30:91c1d09ada54 | 30 | } |
mbed_official | 30:91c1d09ada54 | 31 | #endif |