1/* 2 * Copyright 2017, Data61 3 * Commonwealth Scientific and Industrial Research Organisation (CSIRO) 4 * ABN 41 687 119 230. 5 * 6 * This software may be distributed and modified according to the terms of 7 * the BSD 2-Clause license. Note that NO WARRANTY is provided. 8 * See "LICENSE_BSD2.txt" for details. 9 * 10 * @TAG(DATA61_BSD) 11 */ 12 13#pragma once 14 15#include <utils/arch/stack.h> 16#include <utils/arith.h> 17 18#define STACK_CALL_ALIGNMENT_BITS LOG_BASE_2(STACK_CALL_ALIGNMENT) 19 20/** 21 * Switch to a new stack and start running func on it. 22 * If func returns, you will be back on the old stack. 23 * 24 * @param stack_top top of previously allocated stack. 25 * @param func to jump to with the new stack. 26 * @param arg to pass to new function. 27 * @ret the return value of func. 28 */ 29void *utils_run_on_stack(void *stack_top, void * (*func)(void *arg), void *arg); 30