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| author | Vineet Gupta <vgupta@synopsys.com> | 2013-06-17 18:27:23 +0530 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2013-06-26 15:30:51 +0530 |
| commit | 05b016ecf5e7a8c24409d8e9effb5d2ec9107708 (patch) | |
| tree | 534a54784f7d9f5d427b809a44c1eb626dff6d63 | |
| parent | 38a9ff6d247cf9afcbe55ea245b650b8955029fd (diff) | |
| download | blackbird-op-linux-05b016ecf5e7a8c24409d8e9effb5d2ec9107708.tar.gz blackbird-op-linux-05b016ecf5e7a8c24409d8e9effb5d2ec9107708.zip | |
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>
| -rw-r--r-- | arch/arc/kernel/head.S | 2 | ||||
| -rw-r--r-- | arch/arc/kernel/irq.c | 2 |
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); |
