linux-kernel - [PATCH 01/10] MIPS: CPS: set Status.BEV bit during early boot

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Date:	Tue, 22 Sep 2015 11:12:09 -0700
From:	Paul Burton <paul.burton@...tec.com>
To:	<linux-mips@...ux-mips.org>
CC:	Paul Burton <paul.burton@...tec.com>,
	Markos Chandras <markos.chandras@...tec.com>,
	Ralf Baechle <ralf@...ux-mips.org>,
	<linux-kernel@...r.kernel.org>
Subject: [PATCH 01/10] MIPS: CPS: set Status.BEV bit during early boot

Set the Status.BEV bit throughout the early startup of a secondary core
such that if an exception occurs the core branches to one of the
exception vector entries from cps-vec.S, rather than branching to
whatever is set in EBase.

Signed-off-by: Paul Burton <paul.burton@...tec.com>
---

 arch/mips/kernel/cps-vec.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/mips/kernel/cps-vec.S b/arch/mips/kernel/cps-vec.S
index 9f71c06..9710db5 100644
--- a/arch/mips/kernel/cps-vec.S
+++ b/arch/mips/kernel/cps-vec.S
@@ -70,7 +70,7 @@ not_nmi:
 	mtc0	t0, CP0_CAUSE
 
 	/* Setup Status */
-	li	t0, ST0_CU1 | ST0_CU0
+	li	t0, ST0_CU1 | ST0_CU0 | ST0_BEV
 	mtc0	t0, CP0_STATUS
 
 	/*
-- 
2.5.3

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