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CADDR1 and CADDR2 should not be used here.

This commit is contained in:
minoura 1999-03-31 14:18:49 +00:00
parent 94590084d7
commit e58c614810
1 changed files with 13 additions and 3 deletions
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16
sys/arch/m68k/m68k/mappedcopy.c
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@ -1,4 +1,4 @@
/* $NetBSD: mappedcopy.c,v 1.3 1999/03/26 23:41:30 mycroft Exp $ */
/* $NetBSD: mappedcopy.c,v 1.4 1999/03/31 14:18:49 minoura Exp $ */
/*
* XXX This doesn't work yet. Soon. --thorpej@netbsd.org
@ -70,6 +70,8 @@ int mappedcopyoutcount;
*/
u_int mappedcopysize = -1;
static caddr_t caddr1 = 0;
/*
* N.B. Both of these routines assume PAGE_SIZE == NBPG.
*/
@ -84,7 +86,7 @@ mappedcopyin(f, t, count)
register size_t len;
int off, alignable;
pmap_t upmap;
extern caddr_t CADDR1;
#define CADDR1 caddr1
#ifdef DEBUG
if (mappedcopydebug & MDB_COPYIN)
@ -93,6 +95,9 @@ mappedcopyin(f, t, count)
mappedcopyincount++;
#endif
if (CADDR1 == 0)
CADDR1 = (caddr_t) uvm_km_valloc(kernel_map, NBPG);
kva = (vm_offset_t)CADDR1;
off = (int)((u_long)fromp & PAGE_MASK);
alignable = (off == ((u_long)top & PAGE_MASK));
@ -124,6 +129,7 @@ mappedcopyin(f, t, count)
}
pmap_remove(pmap_kernel(), kva, kva + PAGE_SIZE);
return (0);
#undef CADDR1
}
int
@ -136,7 +142,7 @@ mappedcopyout(f, t, count)
register size_t len;
int off, alignable;
pmap_t upmap;
extern caddr_t CADDR2;
#define CADDR2 caddr1
#ifdef DEBUG
if (mappedcopydebug & MDB_COPYOUT)
@ -145,6 +151,9 @@ mappedcopyout(f, t, count)
mappedcopyoutcount++;
#endif
if (CADDR2 == 0)
CADDR2 = (caddr_t) uvm_km_valloc(kernel_map, NBPG);
kva = (vm_offset_t) CADDR2;
off = (int)((u_long)top & PAGE_MASK);
alignable = (off == ((u_long)fromp & PAGE_MASK));
@ -176,4 +185,5 @@ mappedcopyout(f, t, count)
}
pmap_remove(pmap_kernel(), kva, kva + PAGE_SIZE);
return (0);
#undef CADDR1
}