/******************************************************************************
*
* Copyright (C) 2014 - 2015 Xilinx, Inc. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* Use of the Software is limited solely to applications:
* (a) running on a Xilinx device, or
* (b) that interact with a Xilinx device through a bus or interconnect.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* XILINX  BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Except as contained in this notice, the name of the Xilinx shall not be used
* in advertising or otherwise to promote the sale, use or other dealings in
* this Software without prior written authorization from Xilinx.
*
******************************************************************************/
/*****************************************************************************/
/**
* @file asm_vectors.s
*
* This file contains the initial vector table for the Cortex A53 processor
* Currently NEON registers are not saved on stack if interrupt is taken.
* It will be implemented.
*
* <pre>
* MODIFICATION HISTORY:
*
* Ver   Who     Date     Changes
* ----- ------- -------- ---------------------------------------------------
* 5.00	pkp	5/21/14 Initial version
* </pre>
*
* @note
*
* None.
*
******************************************************************************/


.org 0
.text

.globl _boot
.globl _vector_table

.globl FIQInterrupt
.globl IRQInterrupt
.globl SErrorInterrupt
.globl SynchronousInterrupt


.org 0

.section .vectors, "a"

_vector_table:

.set	VBAR, _vector_table
.org VBAR
	b	_boot
.org (VBAR + 0x200)
	b	SynchronousInterruptHandler

.org (VBAR + 0x280)
	b	IRQInterruptHandler

.org (VBAR + 0x300)
	b	FIQInterruptHandler

.org (VBAR + 0x380)
	b	SErrorInterruptHandler


SynchronousInterruptHandler:
	stp	X0,X1, [sp,#-0x10]!
	stp	X2,X3, [sp,#-0x10]!
	stp	X4,X5, [sp,#-0x10]!
	stp	X6,X7, [sp,#-0x10]!
	stp	X8,X9, [sp,#-0x10]!
	stp	X10,X11, [sp,#-0x10]!
	stp	X12,X13, [sp,#-0x10]!
	stp	X14,X15, [sp,#-0x10]!
	stp	X16,X17, [sp,#-0x10]!
	stp     X18,X19, [sp,#-0x10]!
	stp     X29,X30, [sp,#-0x10]!

        bl      SynchronousInterrupt

	ldp     X29,X30, [sp], #0x10
        ldp     X18,X19, [sp], #0x10
	ldp	X16,X17, [sp], #0x10
	ldp	X14,X15, [sp], #0x10
	ldp	X12,X13, [sp], #0x10
	ldp	X10,X11, [sp], #0x10
	ldp	X8,X9, [sp], #0x10
	ldp	X6,X7, [sp], #0x10
	ldp	X4,X5, [sp], #0x10
	ldp	X2,X3, [sp], #0x10
	ldp	X0,X1, [sp], #0x10

	eret

IRQInterruptHandler:
	stp	X0,X1, [sp,#-0x10]!
	stp	X2,X3, [sp,#-0x10]!
	stp	X4,X5, [sp,#-0x10]!
	stp	X6,X7, [sp,#-0x10]!
	stp	X8,X9, [sp,#-0x10]!
	stp	X10,X11, [sp,#-0x10]!
	stp	X12,X13, [sp,#-0x10]!
	stp	X14,X15, [sp,#-0x10]!
	stp	X16,X17, [sp,#-0x10]!
	stp     X18,X19, [sp,#-0x10]!
	stp     X29,X30, [sp,#-0x10]!

	bl      IRQInterrupt

	ldp     X29,X30, [sp], #0x10
	ldp     X18,X19, [sp], #0x10
	ldp	X16,X17, [sp], #0x10
	ldp	X14,X15, [sp], #0x10
	ldp	X12,X13, [sp], #0x10
	ldp	X10,X11, [sp], #0x10
	ldp	X8,X9, [sp], #0x10
	ldp	X6,X7, [sp], #0x10
	ldp	X4,X5, [sp], #0x10
	ldp	X2,X3, [sp], #0x10
	ldp	X0,X1, [sp], #0x10

	eret

FIQInterruptHandler:

	stp	X0,X1, [sp,#-0x10]!
	stp	X2,X3, [sp,#-0x10]!
	stp	X4,X5, [sp,#-0x10]!
	stp	X6,X7, [sp,#-0x10]!
	stp	X8,X9, [sp,#-0x10]!
	stp	X10,X11, [sp,#-0x10]!
	stp	X12,X13, [sp,#-0x10]!
	stp	X14,X15, [sp,#-0x10]!
	stp	X16,X17, [sp,#-0x10]!
	stp     X18,X19, [sp,#-0x10]!
	stp     X29,X30, [sp,#-0x10]!

        bl      FIQInterrupt

	ldp     X29,X30, [sp], #0x10
        ldp     X18,X19, [sp], #0x10
	ldp	X16,X17, [sp], #0x10
	ldp	X14,X15, [sp], #0x10
	ldp	X12,X13, [sp], #0x10
	ldp	X10,X11, [sp], #0x10
	ldp	X8,X9, [sp], #0x10
	ldp	X6,X7, [sp], #0x10
	ldp	X4,X5, [sp], #0x10
	ldp	X2,X3, [sp], #0x10
	ldp	X0,X1, [sp], #0x10

	eret

SErrorInterruptHandler:

	stp	X0,X1, [sp,#-0x10]!
	stp	X2,X3, [sp,#-0x10]!
	stp	X4,X5, [sp,#-0x10]!
	stp	X6,X7, [sp,#-0x10]!
	stp	X8,X9, [sp,#-0x10]!
	stp	X10,X11, [sp,#-0x10]!
	stp	X12,X13, [sp,#-0x10]!
	stp	X14,X15, [sp,#-0x10]!
	stp	X16,X17, [sp,#-0x10]!
	stp     X18,X19, [sp,#-0x10]!
	stp     X29,X30, [sp,#-0x10]!

        bl      SErrorInterrupt

	ldp     X29,X30, [sp], #0x10
        ldp     X18,X19, [sp], #0x10
	ldp	X16,X17, [sp], #0x10
	ldp	X14,X15, [sp], #0x10
	ldp	X12,X13, [sp], #0x10
	ldp	X10,X11, [sp], #0x10
	ldp	X8,X9, [sp], #0x10
	ldp	X6,X7, [sp], #0x10
	ldp	X4,X5, [sp], #0x10
	ldp	X2,X3, [sp], #0x10
	ldp	X0,X1, [sp], #0x10

	eret

.end