Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Do proc0's TSS and LDT initialization at the end of configure() (i.e.

Browse Source 
once the FPU has been attached).
This commit is contained in:
thorpej 1999-04-01 00:37:50 +00:00
parent 6ce60662b5
commit 2f832df90c
3 changed files with 18 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
sys/arch/i386/i386/autoconf.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: autoconf.c,v 1.36 1999/03/28 19:55:51 fvdl Exp $ */
/* $NetBSD: autoconf.c,v 1.37 1999/04/01 00:37:50 thorpej Exp $ */
/*-
* Copyright (c) 1990 The Regents of the University of California.
@ -107,6 +107,9 @@ configure()
spl0();
cold = 0;
/* Set up proc0's TSS and LDT (after the FPU is configured). */
i386_proc0_tss_ldt_init();
/* XXX Finish deferred buffer cache allocation. */
i386_bufinit();
}

20
sys/arch/i386/i386/machdep.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.348 1999/04/01 00:17:47 thorpej Exp $ */
/* $NetBSD: machdep.c,v 1.349 1999/04/01 00:37:50 thorpej Exp $ */
/*-
* Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
@ -391,11 +391,9 @@ cpu_startup()
{
unsigned i;
caddr_t v;
int sz;
int sz, x;
vaddr_t minaddr, maxaddr;
vsize_t size;
struct pcb *pcb;
int x;
#if NBIOSCALL > 0
extern int biostramp_image_size;
extern u_char biostramp_image[];
@ -533,10 +531,17 @@ cpu_startup()
/* Safe for i/o port allocation to use malloc now. */
ioport_malloc_safe = 1;
}
/*
* Set up proc0's TSS and LDT.
*/
void
i386_proc0_tss_ldt_init()
{
struct pcb *pcb;
int x;
/*
* Set up proc0's TSS and LDT.
*/
gdt_init();
curpcb = pcb = &proc0.p_addr->u_pcb;
pcb->pcb_flags = 0;
@ -555,7 +560,6 @@ cpu_startup()
lldt(pcb->pcb_ldt_sel);
proc0.p_md.md_regs = (struct trapframe *)pcb->pcb_tss.tss_esp0 - 1;
}
/*

3
sys/arch/i386/include/cpu.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: cpu.h,v 1.52 1999/03/12 01:01:42 fvdl Exp $ */
/* $NetBSD: cpu.h,v 1.53 1999/04/01 00:37:50 thorpej Exp $ */
/*-
* Copyright (c) 1990 The Regents of the University of California.
@ -132,6 +132,7 @@ extern struct cpu_cpuid_nameclass i386_cpuid_cpus[];
void delay __P((int));
void dumpconf __P((void));
void cpu_reset __P((void));
void i386_proc0_tss_ldt_init __P((void));
void i386_bufinit __P((void));
/* locore.s */