-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Pull icc-cleanup into release branch
- Loading branch information
Showing
4 changed files
with
95 additions
and
169 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,71 @@ | ||
/* | ||
* This file is subject to the terms and conditions of the GNU General Public | ||
* License. See the file "COPYING" in the main directory of this archive | ||
* for more details. | ||
* | ||
* Copyright (C) 2000-2005 Silicon Graphics, Inc. All rights reserved. | ||
* | ||
* This file contains macros used to access MMR registers 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 | ||
* Second MMR will be skipped if address is NULL | ||
* | ||
* Addresses passed to these routines should be uncached physical addresses | ||
* ie., 0x80000.... | ||
*/ | ||
|
||
|
||
|
||
#include <asm/asmmacro.h> | ||
#include <asm/page.h> | ||
|
||
GLOBAL_ENTRY(pio_phys_read_mmr) | ||
.prologue | ||
.regstk 1,0,0,0 | ||
.body | ||
mov r2=psr | ||
rsm psr.i | psr.dt | ||
;; | ||
srlz.d | ||
ld8.acq r8=[r32] | ||
;; | ||
mov psr.l=r2;; | ||
srlz.d | ||
br.ret.sptk.many rp | ||
END(pio_phys_read_mmr) | ||
|
||
GLOBAL_ENTRY(pio_phys_write_mmr) | ||
.prologue | ||
.regstk 2,0,0,0 | ||
.body | ||
mov r2=psr | ||
rsm psr.i | psr.dt | ||
;; | ||
srlz.d | ||
st8.rel [r32]=r33 | ||
;; | ||
mov psr.l=r2;; | ||
srlz.d | ||
br.ret.sptk.many rp | ||
END(pio_phys_write_mmr) | ||
|
||
GLOBAL_ENTRY(pio_atomic_phys_write_mmrs) | ||
.prologue | ||
.regstk 4,0,0,0 | ||
.body | ||
mov r2=psr | ||
cmp.ne p9,p0=r34,r0; | ||
rsm psr.i | psr.dt | psr.ic | ||
;; | ||
srlz.d | ||
st8.rel [r32]=r33 | ||
(p9) st8.rel [r34]=r35 | ||
;; | ||
mov psr.l=r2;; | ||
srlz.d | ||
br.ret.sptk.many rp | ||
END(pio_atomic_phys_write_mmrs) | ||
|
||
|
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters