blob: a08867a168851eeae28526a11e0ee2d2ee1db182 [file] [log] [blame]
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/**
* @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