blob: 314e87a3a900cd94a3769c2538b5c52142e19fa7 [file] [log] [blame]
/*
* Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <arch.h>
#include <asm_macros.S>
#include <platform_def.h>
.weak plat_get_my_stack
.weak plat_set_my_stack
/* -----------------------------------------------------
* uintptr_t plat_get_my_stack (u_register_t mpidr)
*
* For a given CPU, this function returns the stack
* pointer for a stack allocated in device memory.
* -----------------------------------------------------
*/
func plat_get_my_stack
push {r4, lr}
get_my_mp_stack platform_normal_stacks, PLATFORM_STACK_SIZE
pop {r4, pc}
endfunc plat_get_my_stack
/* -----------------------------------------------------
* void plat_set_my_stack ()
*
* For the current CPU, this function sets the stack
* pointer to a stack allocated in normal memory.
* -----------------------------------------------------
*/
func plat_set_my_stack
mov r4, lr
get_my_mp_stack platform_normal_stacks, PLATFORM_STACK_SIZE
mov sp, r0
bx r4
endfunc plat_set_my_stack
/* -----------------------------------------------------
* Per-cpu stacks in normal memory. Each cpu gets a
* stack of PLATFORM_STACK_SIZE bytes.
* -----------------------------------------------------
*/
declare_stack platform_normal_stacks, .tzfw_normal_stacks, \
PLATFORM_STACK_SIZE, PLATFORM_CORE_COUNT