diff options
| author | Michael Shalayeff <mickey@cvs.openbsd.org> | 2005-04-07 13:16:13 +0000 |
|---|---|---|
| committer | Michael Shalayeff <mickey@cvs.openbsd.org> | 2005-04-07 13:16:13 +0000 |
| commit | 9a574f358bcffb3fe75a12955edcd37c8ea69ee1 (patch) | |
| tree | 3a621d98f44d033b282ee36cda55e2b1c276cf7a /sys/arch | |
| parent | d5a47478649b5a61c11248fb8a21b655990f328c (diff) | |
on some machines it's possible to limit the amount of physmem initialised dring post so having msgbuf at the end of memory shall work
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/hppa/hppa/machdep.c | 10 | ||||
| -rw-r--r-- | sys/arch/hppa/hppa/pmap.c | 9 |
2 files changed, 9 insertions, 10 deletions
diff --git a/sys/arch/hppa/hppa/machdep.c b/sys/arch/hppa/hppa/machdep.c index 2c4cd72de6e..e00c839d385 100644 --- a/sys/arch/hppa/hppa/machdep.c +++ b/sys/arch/hppa/hppa/machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: machdep.c,v 1.143 2005/04/07 00:21:51 mickey Exp $ */ +/* $OpenBSD: machdep.c,v 1.144 2005/04/07 13:16:12 mickey Exp $ */ /* * Copyright (c) 1999-2003 Michael Shalayeff @@ -411,15 +411,13 @@ hppa_init(start) v = hppa_round_page(v); bzero ((void *)v1, (v - v1)); - msgbufp = (struct msgbuf *)v; - v += round_page(MSGBUFSIZE); - bzero(msgbufp, MSGBUFSIZE); - /* sets resvphysmem */ pmap_bootstrap(v); - msgbufmapped = 1; + /* space has been reserved in pmap_bootstrap() */ + msgbufp = (struct msgbuf *)(ptoa(physmem) - round_page(MSGBUFSIZE)); initmsgbuf((caddr_t)msgbufp, round_page(MSGBUFSIZE)); + msgbufmapped = 1; /* they say PDC_COPROC might turn fault light on */ pdc_call((iodcio_t)pdc, 0, PDC_CHASSIS, PDC_CHASSIS_DISP, diff --git a/sys/arch/hppa/hppa/pmap.c b/sys/arch/hppa/hppa/pmap.c index 759f435e0d5..e3ef8303438 100644 --- a/sys/arch/hppa/hppa/pmap.c +++ b/sys/arch/hppa/hppa/pmap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pmap.c,v 1.124 2005/04/07 00:21:51 mickey Exp $ */ +/* $OpenBSD: pmap.c,v 1.125 2005/04/07 13:16:12 mickey Exp $ */ /* * Copyright (c) 1998-2004 Michael Shalayeff @@ -438,7 +438,7 @@ pmap_bootstrap(vstart) extern int resvphysmem, etext, __rodata_end, __data_start; extern u_int *ie_mem; extern paddr_t hppa_vtop; - vaddr_t va, addr = hppa_round_page(vstart), t; + vaddr_t va, addr = hppa_round_page(vstart), eaddr, t; vsize_t size; struct pmap *kpm; int npdes, nkpdes; @@ -558,9 +558,10 @@ pmap_bootstrap(vstart) } resvphysmem = atop(addr); - DPRINTF(PDB_INIT, ("physmem: 0x%x - 0x%x\n", resvphysmem, physmem)); + eaddr = physmem - atop(round_page(MSGBUFSIZE)); + DPRINTF(PDB_INIT, ("physmem: 0x%x - 0x%x\n", resvphysmem, eaddr)); uvm_page_physload(0, physmem, - resvphysmem, physmem, VM_FREELIST_DEFAULT); + resvphysmem, eaddr, VM_FREELIST_DEFAULT); /* TODO optimize/inline the kenter */ for (va = 0; va < ptoa(physmem); va += PAGE_SIZE) { |