Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Use 64-bit "sd" in mips_pagezero() if we're compiled for MIPS{3,4,64} 

(the actual check is !MIPS1 && !MIPS32).

Do the ".set push", ".set mips3", ".set pop" dance if we use 64-bit
instructions.
This commit is contained in:
simonb 2003-05-04 02:53:53 +00:00
parent 9687966318
commit f426b1ecfe
1 changed files with 10 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
sys/arch/mips/mips/locore.S
View File

@ -1,4 +1,4 @@
/* $NetBSD: locore.S,v 1.152 2003/04/08 23:39:15 thorpej Exp $ */
/* $NetBSD: locore.S,v 1.153 2003/05/04 02:53:53 simonb Exp $ */
/*
* Copyright (c) 1992, 1993
@ -987,6 +987,8 @@ END(MachFPInterrupt)
LEAF(mips_pagecopy)
#if defined(__mips_n32) || defined(_LP64)
.set push
.set mips3
li a2, PAGE_SIZE >> 6
1: ld t0, 0(a1)
@ -1010,6 +1012,7 @@ LEAF(mips_pagecopy)
sd ta3, 56(a0)
bgtz a2,1b
addu a0, 64
.set pop
#else
/* o32 */
li a2, PAGE_SIZE >> 5
@ -1041,7 +1044,11 @@ LEAF(mips_pagecopy)
END(mips_pagecopy)
LEAF(mips_pagezero)
#if defined(__mips_n32) || defined(_LP64)
/* We can always safely store a 64-bit zero on MIPS3,4,64 */
#if !defined(MIPS1) && !defined(MIPS32)
.set push
.set mips3
li a1, NBPG >> 6
li a1, PAGE_SIZE >> 6
1: sd zero, 0(a0) # try to miss cache first
@ -1055,6 +1062,7 @@ LEAF(mips_pagezero)
sd zero, 56(a0)
bgtz a1,1b
addu a0, 64
.set pop
#else
/* o32 */
li a1, PAGE_SIZE >> 5