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lda is unsigned, ldswa is signed. Fixes a 32-bit sign extension bug.

This commit is contained in:
eeh 2000-06-20 18:06:12 +00:00
parent dd68d1f399
commit 75eaa6ba70
1 changed files with 5 additions and 5 deletions
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10
sys/arch/sparc64/include/ctlreg.h
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@ -1,4 +1,4 @@
/* $NetBSD: ctlreg.h,v 1.18 2000/06/19 23:30:34 eeh Exp $ */
/* $NetBSD: ctlreg.h,v 1.19 2000/06/20 18:06:12 eeh Exp $ */
/*
* Copyright (c) 1996-1999 Eduardo Horvath
@ -556,7 +556,7 @@
/* load unsigned int from alternate address space */
#ifdef DCACHE_BUG
#define lda(loc, asi) ({ \
register int _lda_v; \
register unsigned int _lda_v; \
if (PHYS_ASI(asi)) { \
__asm __volatile("wr %2,%%g0,%%asi; " \
" andn %1,0x1f,%0; stxa %%g0,[%0] %3; membar #Sync; " \
@ -585,7 +585,7 @@
})
#else
#define lda(loc, asi) ({ \
register int _lda_v; \
register unsigned int _lda_v; \
__asm __volatile("wr %2,%%g0,%%asi; lda [%1]%%asi,%0" : "=r" (_lda_v) : \
"r" ((unsigned long)(loc)), "r" (asi)); \
_lda_v; \
@ -602,7 +602,7 @@
/* load unsigned int from alternate address space */
#ifdef DCACHE_BUG
#define lda(loc, asi) ({ \
register int _lda_v, _loc_hi, _pstate; \
register unsigned int _lda_v, _loc_hi, _pstate; \
_loc_hi = (((u_int64_t)loc)>>32); \
if (PHYS_ASI(asi)) { \
__asm __volatile("wr %4,%%g0,%%asi; rdpr %%pstate,%1;" \
@ -639,7 +639,7 @@
})
#else
#define lda(loc, asi) ({ \
register int _lda_v, _loc_hi, _pstate; \
register unsigned int _lda_v, _loc_hi, _pstate; \
_loc_hi = (((u_int64_t)loc)>>32); \
__asm __volatile("wr %4,%%g0,%%asi; sllx %3,32,%0; rdpr %%pstate,%1;" \
" wrpr %1,8,%%pstate; or %0,%2,%0; lda [%0]%%asi,%0; wrpr %1,0,%%pstate" : \