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Move MSGBUFSIZE from machdep.c to param.h 

Use the last page for msgbuf instead of fixed MSGBUFADDR.
This commit is contained in:
tsubai 1999-01-12 10:51:40 +00:00
parent 90a73bba2c
commit bb426487a5
2 changed files with 9 additions and 9 deletions
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8
sys/arch/macppc/include/param.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: param.h,v 1.3 1998/09/03 14:10:56 tsubai Exp $ */
/* $NetBSD: param.h,v 1.4 1999/01/12 10:51:40 tsubai Exp $ */
/*-
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
@ -46,7 +46,7 @@
#define ALIGNBYTES (sizeof(double) - 1)
#define ALIGN(p) (((u_int)(p) + ALIGNBYTES) & ~ALIGNBYTES)
#define ALIGNED_POINTER(p,t) ((((u_long)(p)) & (sizeof(t)-1)) == 0)
#define ALIGNED_POINTER(p,t) ((((u_long)(p)) & (sizeof(t)-1)) == 0)
#define PGSHIFT 12
#define NBPG (1 << PGSHIFT) /* Page size */
@ -63,6 +63,10 @@
#define UPAGES 4
#define USPACE (UPAGES * NBPG)
#ifndef MSGBUFSIZE
#define MSGBUFSIZE NBPG /* default message buffer size */
#endif
#define KERNBASE 0x100000
/*

10
sys/arch/macppc/macppc/machdep.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.26 1999/01/09 22:10:19 thorpej Exp $ */
/* $NetBSD: machdep.c,v 1.27 1999/01/12 10:51:41 tsubai Exp $ */
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
@ -114,12 +114,8 @@ extern struct user *proc0paddr;
struct bat battable[16];
int astpending;
char *bootpath;
paddr_t msgbuf_paddr;
/*
* We use the page just above the interrupt vector as message buffer
*/
#define MSGBUFADDR 0x3000
#define MSGBUFSIZE 4096
int msgbufmapped = 0;
#ifdef NBUF
@ -437,7 +433,7 @@ cpu_startup()
vaddr_t minaddr, maxaddr;
int base, residual;
initmsgbuf((caddr_t)MSGBUFADDR, round_page(MSGBUFSIZE));
initmsgbuf((caddr_t)msgbuf_paddr, round_page(MSGBUFSIZE));
proc0.p_addr = proc0paddr;
v = (caddr_t)proc0paddr + USPACE;