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prepare for gdb fix

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This commit is contained in:
is 1999-02-25 19:51:22 +00:00
parent bce8ed1c8e
commit 435f80f928
3 changed files with 27 additions and 13 deletions
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10
sys/arch/amiga/amiga/locore.s
View File

@ -1,4 +1,4 @@
/* $NetBSD: locore.s,v 1.104 1999/02/06 22:48:08 is Exp $ */
/* $NetBSD: locore.s,v 1.105 1999/02/25 19:51:22 is Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@ -382,13 +382,15 @@ _trap0:
* cachectl(command, addr, length)
* command in d0, addr in a1, length in d1
*/
.globl _cachectl
.globl _cachectl1
.globl _curproc
_trap12:
movl _curproc,sp@- | push current proc pointer
movl d1,sp@- | push length
movl a1,sp@- | push addr
movl d0,sp@- | push command
jbsr _cachectl | do it
lea sp@(12),sp | pop args
jbsr _cachectl1 | do it
lea sp@(16),sp | pop args
jra rei | all done
/*

27
sys/arch/amiga/amiga/sys_machdep.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: sys_machdep.c,v 1.20 1999/01/19 18:18:41 thorpej Exp $ */
/* $NetBSD: sys_machdep.c,v 1.21 1999/02/25 19:51:23 is Exp $ */
/*
* Copyright (c) 1982, 1986 Regents of the University of California.
@ -121,15 +121,26 @@ vdoualarm(arg)
int
cachectl(req, addr, len)
int req;
caddr_t addr;
vm_offset_t addr;
int len;
{
return cachectl1(req, addr, len, curproc);
}
/*ARGSUSED1*/
int
cachectl1(req, addr, len, p)
int req;
vm_offset_t addr;
int len;
struct proc *p;
{
int error = 0;
#if defined(M68040) || defined(M68060)
if (mmutype == MMU_68040) {
register int inc = 0;
int pa = 0, doall = 0;
caddr_t end = 0;
vm_offset_t end = 0;
if (addr == 0 ||
((req & ~CC_EXTPURGE) != CC_PURGE && len > 2*NBPG))
@ -137,10 +148,10 @@ cachectl(req, addr, len)
if (!doall) {
end = addr + len;
if (len <= 1024) {
addr = (caddr_t)((int)addr & ~0xF);
addr = addr & ~0xF;
inc = 16;
} else {
addr = (caddr_t)((int)addr & ~PGOFSET);
addr = addr & ~PGOFSET;
inc = NBPG;
}
}
@ -151,9 +162,9 @@ cachectl(req, addr, len)
* entire cache (XXX is this a rational thing to do?)
*/
if (!doall &&
(pa == 0 || ((int)addr & PGOFSET) == 0)) {
pa = pmap_extract(curproc->p_vmspace->vm_map.pmap,
(vm_offset_t)addr);
(pa == 0 || (addr & PGOFSET) == 0)) {
pa = pmap_extract(p->p_vmspace->vm_map.pmap,
addr);
if (pa == 0)
doall = 1;
}

3
sys/arch/amiga/include/pmap.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: pmap.h,v 1.24 1998/03/22 23:12:50 is Exp $ */
/* $NetBSD: pmap.h,v 1.25 1999/02/25 19:51:22 is Exp $ */
/*
* Copyright (c) 1987 Carnegie-Mellon University
@ -137,6 +137,7 @@ struct pmap kernel_pmap_store;
#define pmap_wired_count(pmap) ((pmap)->pm_stats.wired_count)
vm_offset_t pmap_map __P((vm_offset_t, vm_offset_t, vm_offset_t, int));
void pmap_procwr __P((struct proc *, vm_offset_t, u_long));
#endif /* _KERNEL */