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[SPARC64]: Add GET_GL_GLOBAL() macro for SUN4V.

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So we can read the %gl register for debugging.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2006-02-16 16:22:26 -08:00
parent 22780e23c6
commit 4ff7ac417d
1 changed files with 4 additions and 0 deletions
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4
include/asm-sparc64/head.h
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@ -8,6 +8,10 @@
#define SET_GL(val) \ #define SET_GL(val) \
.word 0xa1902000 | val .word 0xa1902000 | val
/* rdpr %gl, %gN */
#define GET_GL_GLOBAL(N) \
.word 0x81540000 | (N << 25)
#define KERNBASE 0x400000 #define KERNBASE 0x400000
#define PTREGS_OFF (STACK_BIAS + STACKFRAME_SZ) #define PTREGS_OFF (STACK_BIAS + STACKFRAME_SZ)