From 936f482af1743141d637483ec10eb881537c26dc Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@sunset.davemloft.net>
Date: Sun, 5 Feb 2006 21:29:28 -0800
Subject: [SPARC64]: Add initial code to twiddle %gl on trap entry/exit.

Instead of setting/clearing PSTATE_AG we have to change
the %gl register value on sun4v.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/asm-sparc64/head.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'include/asm-sparc64/head.h')

diff --git a/include/asm-sparc64/head.h b/include/asm-sparc64/head.h
index 731c842f3d11..ff76c0981b63 100644
--- a/include/asm-sparc64/head.h
+++ b/include/asm-sparc64/head.h
@@ -4,6 +4,10 @@
 
 #include <asm/pstate.h>
 
+	/* wrpr	%g0, val, %gl */
+#define SET_GL(val)	\
+	.word	0xa1902000 | val
+
 #define KERNBASE	0x400000
 
 #define	PTREGS_OFF	(STACK_BIAS + STACKFRAME_SZ)
-- 
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