blob: b97911fb7a15c113d4de8984546c54329897e7ef [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 <asm_macros.S>
#include <cpu_data.h>
.globl _cpu_data
.globl _cpu_data_by_index
/* -----------------------------------------------------------------
* cpu_data_t *_cpu_data(void)
*
* Return the cpu_data structure for the current CPU.
* -----------------------------------------------------------------
*/
func _cpu_data
push {lr}
bl plat_my_core_pos
pop {lr}
b _cpu_data_by_index
endfunc _cpu_data
/* -----------------------------------------------------------------
* cpu_data_t *_cpu_data_by_index(uint32_t cpu_index)
*
* Return the cpu_data structure for the CPU with given linear index
*
* This can be called without a valid stack.
* clobbers: r0, r1
* -----------------------------------------------------------------
*/
func _cpu_data_by_index
ldr r1, =percpu_data
add r0, r1, r0, LSL #CPU_DATA_LOG2SIZE
bx lr
endfunc _cpu_data_by_index