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Fix msgbuf handling.

This commit is contained in:
thorpej 1999-05-05 00:03:10 +00:00
parent dbe4c0c061
commit 742e477ae0
1 changed files with 13 additions and 6 deletions
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19
sys/arch/ofppc/ofppc/machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.38 1999/04/17 21:16:47 ws Exp $ */
/* $NetBSD: machdep.c,v 1.39 1999/05/05 00:03:10 thorpej Exp $ */
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
@ -87,7 +87,8 @@ int astpending;
char *bootpath;
#define MSGBUFADDR 0x3000
paddr_t msgbuf_paddr;
vaddr_t msgbuf_vaddr;
caddr_t allocsys __P((caddr_t));
@ -373,13 +374,19 @@ cpu_startup()
paddr_t minaddr, maxaddr;
int base, residual;
proc0.p_addr = proc0paddr;
v = (caddr_t)proc0paddr + USPACE;
/*
* Initialize error message buffer (at end of core).
*/
initmsgbuf((caddr_t)MSGBUFADDR, round_page(MSGBUFSIZE));
proc0.p_addr = proc0paddr;
v = (caddr_t)proc0paddr + USPACE;
if (!(msgbuf_vaddr = uvm_km_alloc(kernel_map, round_page(MSGBUFSIZE))))
panic("startup: no room for message buffer");
for (i = 0; i < btoc(MSGBUFSIZE); i++)
pmap_enter(pmap_kernel(), msgbuf_vaddr + i * NBPG,
msgbuf_paddr + i * NBPG, VM_PROT_READ|VM_PROT_WRITE, TRUE,
VM_PROT_READ|VM_PROT_WRITE);
initmsgbuf((caddr_t)msgbuf_vaddr, round_page(MSGBUFSIZE));
printf("%s", version);
identifycpu();