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Last commit 20 Feb 2019 by 
mbed official
vendor/NXP/LPC11U24/cmsis/uARM/sys.cpp@10:3bc89ef62ce7, 2013-06-14 (annotated)
- Committer:
- emilmont
- Date:
- Fri Jun 14 17:49:17 2013 +0100
- Revision:
- 10:3bc89ef62ce7
Unify mbed library sources
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| emilmont | 10:3bc89ef62ce7 | 1 | /* mbed Microcontroller Library - stackheap |
| emilmont | 10:3bc89ef62ce7 | 2 | * Copyright (C) 2009-2011 ARM Limited. All rights reserved. |
| emilmont | 10:3bc89ef62ce7 | 3 | * |
| emilmont | 10:3bc89ef62ce7 | 4 | * Setup a fixed single stack/heap memory model, |
| emilmont | 10:3bc89ef62ce7 | 5 | * between the top of the RW/ZI region and the stackpointer |
| emilmont | 10:3bc89ef62ce7 | 6 | */ |
| emilmont | 10:3bc89ef62ce7 | 7 | |
| emilmont | 10:3bc89ef62ce7 | 8 | #ifdef __cplusplus |
| emilmont | 10:3bc89ef62ce7 | 9 | extern "C" { |
| emilmont | 10:3bc89ef62ce7 | 10 | #endif |
| emilmont | 10:3bc89ef62ce7 | 11 | |
| emilmont | 10:3bc89ef62ce7 | 12 | #include <rt_misc.h> |
| emilmont | 10:3bc89ef62ce7 | 13 | #include <stdint.h> |
| emilmont | 10:3bc89ef62ce7 | 14 | |
| emilmont | 10:3bc89ef62ce7 | 15 | extern char Image$$RW_IRAM1$$ZI$$Limit[]; |
| emilmont | 10:3bc89ef62ce7 | 16 | |
| emilmont | 10:3bc89ef62ce7 | 17 | extern __value_in_regs struct __initial_stackheap __user_setup_stackheap(uint32_t R0, uint32_t R1, uint32_t R2, uint32_t R3) { |
| emilmont | 10:3bc89ef62ce7 | 18 | uint32_t zi_limit = (uint32_t)Image$$RW_IRAM1$$ZI$$Limit; |
| emilmont | 10:3bc89ef62ce7 | 19 | uint32_t sp_limit = __current_sp(); |
| emilmont | 10:3bc89ef62ce7 | 20 | |
| emilmont | 10:3bc89ef62ce7 | 21 | zi_limit = (zi_limit + 7) & ~0x7; // ensure zi_limit is 8-byte aligned |
| emilmont | 10:3bc89ef62ce7 | 22 | |
| emilmont | 10:3bc89ef62ce7 | 23 | struct __initial_stackheap r; |
| emilmont | 10:3bc89ef62ce7 | 24 | r.heap_base = zi_limit; |
| emilmont | 10:3bc89ef62ce7 | 25 | r.heap_limit = sp_limit; |
| emilmont | 10:3bc89ef62ce7 | 26 | return r; |
| emilmont | 10:3bc89ef62ce7 | 27 | } |
| emilmont | 10:3bc89ef62ce7 | 28 | |
| emilmont | 10:3bc89ef62ce7 | 29 | #ifdef __cplusplus |
| emilmont | 10:3bc89ef62ce7 | 30 | } |
| emilmont | 10:3bc89ef62ce7 | 31 | #endif |
