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authorDavid S. Miller <davem@sunset.davemloft.net>2006-02-16 16:22:26 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-03-20 01:13:18 -0800
commit4ff7ac417d4b628c23df3ae8301d17e29e6e8f16 (patch)
tree8a0ad85722f0e927ac6c1388032481636424fb10
parent22780e23c629303474797d17e7f09ad7721ef55b (diff)
downloadlinux-4ff7ac417d4b628c23df3ae8301d17e29e6e8f16.tar.gz
[SPARC64]: Add GET_GL_GLOBAL() macro for SUN4V.
So we can read the %gl register for debugging.

Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--include/asm-sparc64/head.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-sparc64/head.h b/include/asm-sparc64/head.h
index c4ac3e87aa50..67960a751f4d 100644
--- a/include/asm-sparc64/head.h
+++ b/include/asm-sparc64/head.h
@@ -8,6 +8,10 @@
 #define SET_GL(val)	\
 	.word	0xa1902000 | val
 
+	/* rdpr %gl, %gN */
+#define GET_GL_GLOBAL(N)	\
+	.word	0x81540000 | (N << 25)
+
 #define KERNBASE	0x400000
 
 #define	PTREGS_OFF	(STACK_BIAS + STACKFRAME_SZ)