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authorTrond Myklebust <Trond.Myklebust@netapp.com>2006-03-23 23:44:19 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-03-23 23:44:19 -0500
commit1ebbe2b20091d306453a5cf480a87e6cd28ae76f (patch)
treef5cd7a0fa69b8b1938cb5a0faed2e7b0628072a5 /include/asm-ia64/sn/rw_mmr.h
parentac58c9059da8886b5e8cde012a80266b18ca146e (diff)
parent674a396c6d2ba0341ebdd7c1c9950f32f018e2dd (diff)
downloadop-kernel-dev-1ebbe2b20091d306453a5cf480a87e6cd28ae76f.zip
op-kernel-dev-1ebbe2b20091d306453a5cf480a87e6cd28ae76f.tar.gz
Merge branch 'linus'
Diffstat (limited to 'include/asm-ia64/sn/rw_mmr.h')
-rw-r--r--include/asm-ia64/sn/rw_mmr.h56
1 files changed, 5 insertions, 51 deletions
diff --git a/include/asm-ia64/sn/rw_mmr.h b/include/asm-ia64/sn/rw_mmr.h
index f40fd1a..2d78f4c 100644
--- a/include/asm-ia64/sn/rw_mmr.h
+++ b/include/asm-ia64/sn/rw_mmr.h
@@ -3,15 +3,14 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (C) 2002-2004 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (C) 2002-2006 Silicon Graphics, Inc. All Rights Reserved.
*/
#ifndef _ASM_IA64_SN_RW_MMR_H
#define _ASM_IA64_SN_RW_MMR_H
/*
- * This file contains macros used to access MMR registers via
- * uncached physical addresses.
+ * This file that access MMRs via uncached physical addresses.
* pio_phys_read_mmr - read an MMR
* pio_phys_write_mmr - write an MMR
* pio_atomic_phys_write_mmrs - atomically write 1 or 2 MMRs with psr.ic=0
@@ -22,53 +21,8 @@
*/
-extern inline long
-pio_phys_read_mmr(volatile long *mmr)
-{
- long val;
- asm volatile
- ("mov r2=psr;;"
- "rsm psr.i | psr.dt;;"
- "srlz.i;;"
- "ld8.acq %0=[%1];;"
- "mov psr.l=r2;;"
- "srlz.i;;"
- : "=r"(val)
- : "r"(mmr)
- : "r2");
- return val;
-}
-
-
-
-extern inline void
-pio_phys_write_mmr(volatile long *mmr, long val)
-{
- asm volatile
- ("mov r2=psr;;"
- "rsm psr.i | psr.dt;;"
- "srlz.i;;"
- "st8.rel [%0]=%1;;"
- "mov psr.l=r2;;"
- "srlz.i;;"
- :: "r"(mmr), "r"(val)
- : "r2", "memory");
-}
-
-extern inline void
-pio_atomic_phys_write_mmrs(volatile long *mmr1, long val1, volatile long *mmr2, long val2)
-{
- asm volatile
- ("mov r2=psr;;"
- "rsm psr.i | psr.dt | psr.ic;;"
- "cmp.ne p9,p0=%2,r0;"
- "srlz.i;;"
- "st8.rel [%0]=%1;"
- "(p9) st8.rel [%2]=%3;;"
- "mov psr.l=r2;;"
- "srlz.i;;"
- :: "r"(mmr1), "r"(val1), "r"(mmr2), "r"(val2)
- : "p9", "r2", "memory");
-}
+extern long pio_phys_read_mmr(volatile long *mmr);
+extern void pio_phys_write_mmr(volatile long *mmr, long val);
+extern void pio_atomic_phys_write_mmrs(volatile long *mmr1, long val1, volatile long *mmr2, long val2);
#endif /* _ASM_IA64_SN_RW_MMR_H */
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