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Move md_flags back to mdproc. MDP_FIXALIGN, the only flag we have, is 

per-process, not per-lwp.  We don't have per-lwp flags currently.
This commit is contained in:
uwe 2005-10-26 23:21:47 +00:00
parent 2a0a441743
commit ab5d782da8
3 changed files with 14 additions and 11 deletions
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9
sys/arch/sparc/include/proc.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: proc.h,v 1.13 2005/07/10 17:02:19 christos Exp $ */
/* $NetBSD: proc.h,v 1.14 2005/10/26 23:21:47 uwe Exp $ */
/*
* Copyright (c) 1992, 1993
@ -44,31 +44,34 @@
#define _SPARC_PROC_H_
/*
* Machine-dependent part of the proc structure for SPARC.
* Machine-dependent parts of the lwp and proc structures for SPARC.
*/
struct mdlwp {
struct trapframe *md_tf; /* trap/syscall registers */
struct fpstate *md_fpstate; /* fpu state, if any; always resident */
u_long md_flags;
struct cpu_info *md_fpu; /* Module holding FPU state */
};
struct mdproc {
void (*md_syscall)(register_t, struct trapframe *, register_t);
u_long md_flags;
};
/* md_flags */
#define MDP_FIXALIGN 0x1 /* Fix unaligned memory accesses */
/*
* FPU context switch lock
* Prevent interrupts that grab the kernel lock
*/
extern struct simplelock fpulock;
#define FPU_LOCK(s) do { \
s = splclock(); \
simple_lock(&fpulock); \
} while (/* CONSTCOND */ 0)
#define FPU_UNLOCK(s) do { \
simple_unlock(&fpulock); \
splx(s); \

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

@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.258 2005/09/14 15:03:50 he Exp $ */
/* $NetBSD: machdep.c,v 1.259 2005/10/26 23:21:47 uwe Exp $ */
/*-
* Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
@ -78,7 +78,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.258 2005/09/14 15:03:50 he Exp $");
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.259 2005/10/26 23:21:47 uwe Exp $");
#include "opt_compat_netbsd.h"
#include "opt_compat_sunos.h"
@ -363,8 +363,8 @@ setregs(l, pack, stack)
struct fpstate *fs;
int psr;
/* Don't allow misaligned code by default */
l->l_md.md_flags &= ~MDP_FIXALIGN;
/* Don't allow unaligned data references by default */
l->l_proc->p_md.md_flags &= ~MDP_FIXALIGN;
/*
* Set the registers to 0 except for:

8
sys/arch/sparc/sparc/trap.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: trap.c,v 1.159 2005/07/10 17:02:19 christos Exp $ */
/* $NetBSD: trap.c,v 1.160 2005/10/26 23:21:47 uwe Exp $ */
/*
* Copyright (c) 1996
@ -49,7 +49,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.159 2005/07/10 17:02:19 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.160 2005/10/26 23:21:47 uwe Exp $");
#include "opt_ddb.h"
#include "opt_ktrace.h"
@ -574,7 +574,7 @@ badtrap:
break;
case T_ALIGN:
if ((l->l_md.md_flags & MDP_FIXALIGN) != 0) {
if ((p->p_md.md_flags & MDP_FIXALIGN) != 0) {
KERNEL_PROC_LOCK(l);
n = fixalign(l, tf);
KERNEL_PROC_UNLOCK(l);
@ -687,7 +687,7 @@ badtrap:
uprintf("T_FIXALIGN\n");
#endif
/* User wants us to fix alignment faults */
l->l_md.md_flags |= MDP_FIXALIGN;
p->p_md.md_flags |= MDP_FIXALIGN;
ADVANCE;
break;