ARC: Setup Vector Table Base in early boot
Otherwise early boot exceptions such as instructions errors due to
configuration mismatch between kernel and hardware go off to la-la land,
as opposed to hitting the handler and panic()'ing properly.
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
diff --git a/arch/arc/kernel/head.S b/arch/arc/kernel/head.S
index 006dec3..2a913f8 100644
--- a/arch/arc/kernel/head.S
+++ b/arch/arc/kernel/head.S
@@ -27,6 +27,8 @@
; Don't clobber r0-r4 yet. It might have bootloader provided info
;-------------------------------------------------------------------
+ sr @_int_vec_base_lds, [AUX_INTR_VEC_BASE]
+
#ifdef CONFIG_SMP
; Only Boot (Master) proceeds. Others wait in platform dependent way
; IDENTITY Reg [ 3 2 1 0 ]
diff --git a/arch/arc/kernel/irq.c b/arch/arc/kernel/irq.c
index d1ef412..4918a66 100644
--- a/arch/arc/kernel/irq.c
+++ b/arch/arc/kernel/irq.c
@@ -32,8 +32,6 @@
{
int level_mask = 0;
- write_aux_reg(AUX_INTR_VEC_BASE, _int_vec_base_lds);
-
/* Disable all IRQs: enable them as devices request */
write_aux_reg(AUX_IENABLE, 0);