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Make clearer a bit how proc0's USPACE is intialized.

This commit is contained in:
nisimura 2000-03-03 08:36:20 +00:00
parent 1d915f4130
commit 3c5d39d73b
3 changed files with 13 additions and 15 deletions
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9
sys/arch/arc/arc/machdep.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.29 2000/02/22 11:25:57 soda Exp $ */
/* $NetBSD: machdep.c,v 1.30 2000/03/03 08:36:21 nisimura Exp $ */
/* $OpenBSD: machdep.c,v 1.36 1999/05/22 21:22:19 weingart Exp $ */
/*
@ -489,12 +489,11 @@ mach_init(argc, argv, envv)
* Alloc u pages for proc0 stealing KSEG0 memory.
*/
proc0.p_addr = proc0paddr = (struct user *)kernend;
proc0.p_md.md_regs =
(struct frame *)((caddr_t)kernend + UPAGES * PAGE_SIZE) - 1;
proc0.p_md.md_regs = (struct frame *)(kernend + USPACE) - 1;
curpcb = &proc0.p_addr->u_pcb;
memset(kernend, 0, UPAGES * PAGE_SIZE);
memset(proc0.p_addr, 0, USPACE);
kernend += UPAGES * PAGE_SIZE;
kernend += USPACE;
maxmem = physmem;

11
sys/arch/newsmips/newsmips/machdep.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.37 2000/01/19 20:05:44 thorpej Exp $ */
/* $NetBSD: machdep.c,v 1.38 2000/03/03 08:36:21 nisimura Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@ -43,7 +43,7 @@
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.37 2000/01/19 20:05:44 thorpej Exp $");
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.38 2000/03/03 08:36:21 nisimura Exp $");
/* from: Utah Hdr: machdep.c 1.63 91/04/24 */
@ -304,12 +304,11 @@ mach_init(x_boothowto, x_bootdev, x_bootname, x_maxmem)
* Alloc u pages for proc0 stealing KSEG0 memory.
*/
proc0.p_addr = proc0paddr = (struct user *)kernend;
proc0.p_md.md_regs =
(struct frame *)((caddr_t)kernend + UPAGES * PAGE_SIZE) - 1;
proc0.p_md.md_regs = (struct frame *)(kernend + USPACE) - 1;
curpcb = &proc0.p_addr->u_pcb;
memset(kernend, 0, UPAGES * PAGE_SIZE);
memset(proc0.p_addr, 0, USPACE);
kernend += UPAGES * PAGE_SIZE;
kernend += USPACE;
/*
* Load the rest of the available pages into the VM system.

8
sys/arch/pmax/pmax/machdep.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.165 2000/02/29 04:55:54 nisimura Exp $ */
/* $NetBSD: machdep.c,v 1.166 2000/03/03 08:36:20 nisimura Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@ -43,7 +43,7 @@
*/
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.165 2000/02/29 04:55:54 nisimura Exp $");
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.166 2000/03/03 08:36:20 nisimura Exp $");
#include "fs_mfs.h"
#include "opt_ddb.h"
@ -304,7 +304,7 @@ mach_init(argc, argv, code, cv, bim, bip)
proc0.p_addr = proc0paddr = (struct user *)kernend;
proc0.p_md.md_regs = (struct frame *)(kernend + USPACE) - 1;
curpcb = &proc0.p_addr->u_pcb;
memset(kernend, 0, USPACE);
memset(proc0.p_addr, 0, USPACE);
kernend += USPACE;
@ -775,4 +775,4 @@ nullwork()
{
return (0);
}
}