diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2004-05-23 20:53:19 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2004-05-23 20:53:19 +0000 |
| commit | 31d4c9fe0969db7e1ef9f436837405f3ac18201b (patch) | |
| tree | b05a755f85b40fabb2e90805218cbd6e90a4d22d /sys/arch/mvme88k | |
| parent | ab311ceb3d3e6fe56e53c97387992bc633071569 (diff) | |
Simplify iomap_mapin().
Diffstat (limited to 'sys/arch/mvme88k')
| -rw-r--r-- | sys/arch/mvme88k/mvme88k/vm_machdep.c | 22 |
1 files changed, 5 insertions, 17 deletions
diff --git a/sys/arch/mvme88k/mvme88k/vm_machdep.c b/sys/arch/mvme88k/mvme88k/vm_machdep.c index 0b747fef885..1800d77cd06 100644 --- a/sys/arch/mvme88k/mvme88k/vm_machdep.c +++ b/sys/arch/mvme88k/mvme88k/vm_machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vm_machdep.c,v 1.62 2004/05/23 20:52:16 miod Exp $ */ +/* $OpenBSD: vm_machdep.c,v 1.63 2004/05/23 20:53:18 miod Exp $ */ /* * Copyright (c) 1998 Steve Murphree, Jr. @@ -345,9 +345,8 @@ iomap_mapin(paddr_t pa, psize_t len, boolean_t canwait) if (len == 0) return NULL; - ppa = pa; - off = (u_long)ppa & PGOFSET; - + ppa = trunc_page(pa); + off = pa & PGOFSET; len = round_page(off + len); s = splhigh(); @@ -360,15 +359,8 @@ iomap_mapin(paddr_t pa, psize_t len, boolean_t canwait) cmmu_flush_tlb(cpu_number(), 1, iova, len); /* necessary? */ - ppa = trunc_page(ppa); - -#ifndef NEW_MAPPING tva = iova; -#else - tva = ppa; -#endif - - while (len>0) { + while (len != 0) { pmap_enter(vm_map_pmap(iomap_map), tva, ppa, VM_PROT_WRITE | VM_PROT_READ, VM_PROT_WRITE | VM_PROT_READ | PMAP_WIRED); @@ -377,12 +369,8 @@ iomap_mapin(paddr_t pa, psize_t len, boolean_t canwait) ppa += PAGE_SIZE; } pmap_update(pmap_kernel()); -#ifndef NEW_MAPPING - return (iova + off); -#else - return (pa + off); -#endif + return (iova + off); } /* |