72 lines
2.8 KiB
ArmAsm
72 lines
2.8 KiB
ArmAsm
/*
|
|
* Copyright (c) 2016-2017, 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>
|
|
|
|
.weak plat_get_my_stack
|
|
.weak 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
|