1 /* mbed Microcontroller Library - stackheap
2 * Copyright (C) 2009-2011 ARM Limited. All rights reserved.
4 * Setup a fixed single stack/heap memory model,
5 * between the top of the RW/ZI region and the stackpointer
15 extern char Image$$RW_IRAM1$$ZI$$Limit[];
17 extern __value_in_regs struct __initial_stackheap __user_setup_stackheap(uint32_t R0, uint32_t R1, uint32_t R2, uint32_t R3) {
18 uint32_t zi_limit = (uint32_t)Image$$RW_IRAM1$$ZI$$Limit;
19 uint32_t sp_limit = __current_sp();
21 zi_limit = (zi_limit + 7) & ~0x7; // ensure zi_limit is 8-byte aligned
23 struct __initial_stackheap r;
24 r.heap_base = zi_limit;
25 r.heap_limit = sp_limit;