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New handling of pte:s for physio.

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This commit is contained in:
ragge 1994-11-25 19:09:31 +00:00
parent ca49094181
commit 299c14af0c
2 changed files with 40 additions and 6 deletions
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23
sys/arch/vax/uba/uba.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: uba.c,v 1.3 1994/10/26 08:02:41 cgd Exp $ */
/* $NetBSD: uba.c,v 1.4 1994/11/25 19:09:31 ragge Exp $ */
/*
* Copyright (c) 1982, 1986 The Regents of the University of California.
@ -40,6 +40,7 @@
/* All bugs are subject to removal without further notice */
#include "sys/types.h"
#include "sys/time.h"
#include "sys/systm.h"
#include "sys/param.h"
#include "sys/map.h"
@ -616,7 +617,11 @@ ubasetup(int uban,struct buf *bp,int flags) {
} else {
rp =bp->b_proc;
}
v = vax_btop(PxTOP0((u_int)bp->b_un.b_addr));
#if 0
printf("(u_int)bp->b_un.b_addr %x\n",(u_int)bp->b_un.b_addr);
asm("halt");
#endif
v = vax_btop((u_int)bp->b_un.b_addr&0x3fffffff);
if (bp->b_flags & B_UAREA){
printf("B_UAREA\n");
asm("halt");
@ -626,7 +631,19 @@ ubasetup(int uban,struct buf *bp,int flags) {
* It may be better to use pmap_extract() here somewhere,
* but so far we do it "the hard way" :)
*/
pte=&rp->p_vmspace->vm_pmap.pm_ptab[v];
u_int *hej;
if(((u_int)bp->b_un.b_addr<0x40000000)||
((u_int)bp->b_un.b_addr>0x7fffffff)){
hej=rp->p_vmspace->vm_pmap.pm_pcb->P0BR;
} else {
hej=rp->p_vmspace->vm_pmap.pm_pcb->P1BR;
}
pte=(struct pte*)&hej[v];
#if 0
printf("ubasetup: pte %x, *pte %x, addr %x, hej %x\n",pte, *pte,
(u_int)bp->b_un.b_addr, hej);
#endif
}
}
io = &uh->uh_mr[reg];

23
sys/dev/dec/qbus/uba.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: uba.c,v 1.3 1994/10/26 08:02:41 cgd Exp $ */
/* $NetBSD: uba.c,v 1.4 1994/11/25 19:09:31 ragge Exp $ */
/*
* Copyright (c) 1982, 1986 The Regents of the University of California.
@ -40,6 +40,7 @@
/* All bugs are subject to removal without further notice */
#include "sys/types.h"
#include "sys/time.h"
#include "sys/systm.h"
#include "sys/param.h"
#include "sys/map.h"
@ -616,7 +617,11 @@ ubasetup(int uban,struct buf *bp,int flags) {
} else {
rp =bp->b_proc;
}
v = vax_btop(PxTOP0((u_int)bp->b_un.b_addr));
#if 0
printf("(u_int)bp->b_un.b_addr %x\n",(u_int)bp->b_un.b_addr);
asm("halt");
#endif
v = vax_btop((u_int)bp->b_un.b_addr&0x3fffffff);
if (bp->b_flags & B_UAREA){
printf("B_UAREA\n");
asm("halt");
@ -626,7 +631,19 @@ ubasetup(int uban,struct buf *bp,int flags) {
* It may be better to use pmap_extract() here somewhere,
* but so far we do it "the hard way" :)
*/
pte=&rp->p_vmspace->vm_pmap.pm_ptab[v];
u_int *hej;
if(((u_int)bp->b_un.b_addr<0x40000000)||
((u_int)bp->b_un.b_addr>0x7fffffff)){
hej=rp->p_vmspace->vm_pmap.pm_pcb->P0BR;
} else {
hej=rp->p_vmspace->vm_pmap.pm_pcb->P1BR;
}
pte=(struct pte*)&hej[v];
#if 0
printf("ubasetup: pte %x, *pte %x, addr %x, hej %x\n",pte, *pte,
(u_int)bp->b_un.b_addr, hej);
#endif
}
}
io = &uh->uh_mr[reg];