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use pmap_k* in vmapbuf() and vunmapbuf() since there's no VAC on this platform. 

in vunmapbuf(), call pmap_*remove() explicitly since uvm_km_free_wakeup()
will soon no longer do it for us.
This commit is contained in:
chs 2001-08-19 17:45:57 +00:00
parent dd3f84513a
commit eddbcd2f47
1 changed files with 4 additions and 3 deletions
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7
sys/arch/pc532/pc532/vm_machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: vm_machdep.c,v 1.48 2001/06/02 18:09:19 chs Exp $ */
/* $NetBSD: vm_machdep.c,v 1.49 2001/08/19 17:45:57 chs Exp $ */
/*-
* Copyright (c) 1996 Matthias Pfaller.
@ -356,8 +356,7 @@ vmapbuf(bp, len)
while (len) {
(void) pmap_extract(vm_map_pmap(&bp->b_proc->p_vmspace->vm_map),
faddr, &fpa);
pmap_enter(vm_map_pmap(phys_map), taddr, fpa,
VM_PROT_READ|VM_PROT_WRITE, PMAP_WIRED);
pmap_kenter_pa(taddr, fpa, VM_PROT_READ | VM_PROT_WRITE);
faddr += PAGE_SIZE;
taddr += PAGE_SIZE;
len -= PAGE_SIZE;
@ -380,6 +379,8 @@ vunmapbuf(bp, len)
addr = trunc_page((vaddr_t)bp->b_data);
off = (vaddr_t)bp->b_data - addr;
len = round_page(off + len);
pmap_kremove(addr, len);
pmap_update();
uvm_km_free_wakeup(phys_map, addr, len);
bp->b_data = bp->b_saveaddr;
bp->b_saveaddr = 0;