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authorVineet Gupta2013-06-17 18:27:23 +0530
committerVineet Gupta2013-06-26 15:30:51 +0530
commit05b016ecf5e7a8c24409d8e9effb5d2ec9107708 (patch)
tree534a54784f7d9f5d427b809a44c1eb626dff6d63 /arch/arc
parent38a9ff6d247cf9afcbe55ea245b650b8955029fd (diff)
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>
Diffstat (limited to 'arch/arc')
-rw-r--r--arch/arc/kernel/head.S2
-rw-r--r--arch/arc/kernel/irq.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/arc/kernel/head.S b/arch/arc/kernel/head.S
index 006dec3fc353..2a913f85a747 100644
--- a/arch/arc/kernel/head.S
+++ b/arch/arc/kernel/head.S
@@ -27,6 +27,8 @@ stext:
; 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 d1ef4129de7d..4918a66a1d8e 100644
--- a/arch/arc/kernel/irq.c
+++ b/arch/arc/kernel/irq.c
@@ -32,8 +32,6 @@ void __cpuinit arc_init_IRQ(void)
{
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);