blob: 8275aec830b0ac6ebb50042e62ce00683a601071 [file] [log] [blame]
/*
* Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of ARM nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <arch.h>
#include <asm_macros.S>
#include <platform_def.h>
.globl plat_get_my_stack
.globl plat_set_my_stack
/* -----------------------------------------------------
* unsigned long plat_get_my_stack ()
*
* For cold-boot BL images, only the primary CPU needs
* a stack. This function returns the stack pointer for
* a stack allocated in normal memory.
* -----------------------------------------------------
*/
func plat_get_my_stack
get_up_stack platform_normal_stacks, PLATFORM_STACK_SIZE
bx lr
endfunc plat_get_my_stack
/* -----------------------------------------------------
* void plat_set_my_stack ()
*
* For cold-boot BL images, only the primary CPU needs
* a stack. This function sets the stack pointer to a
* stack allocated in normal memory.
* -----------------------------------------------------
*/
func plat_set_my_stack
get_up_stack platform_normal_stacks, PLATFORM_STACK_SIZE
mov sp, r0
bx lr
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, 1, CACHE_WRITEBACK_GRANULE