mbed library sources for GR-PEACH rev.B.
Fork of mbed-src by
targets/cmsis/TARGET_Freescale/TARGET_KLXX/TARGET_KL46Z/TOOLCHAIN_ARM_STD/sys.cpp@514:cf59050bad8e, 2015-04-15 (annotated)
- Committer:
- RyoheiHagimoto
- Date:
- Wed Apr 15 01:34:29 2015 +0000
- Revision:
- 514:cf59050bad8e
- Parent:
- 82:0b31dbcd4769
mbed library sources for GR-PEACH rev.B.
Who changed what in which revision?
User | Revision | Line number | New 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 |