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Revert previous: 

http://mail-index.netbsd.org/source-changes/2020/02/20/msg114173.html

Comment turned out to be wrong, and KASSERT fires for oea.

XXX
Need to revisit shortly...
This commit is contained in:
rin 2020-04-11 09:15:23 +00:00
parent 87ce06e203
commit 92a204309a
2 changed files with 4 additions and 9 deletions
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7
lib/libpthread/arch/powerpc/pthread_md.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: pthread_md.h,v 1.8 2020/02/20 07:07:02 rin Exp $ */
/* $NetBSD: pthread_md.h,v 1.9 2020/04/11 09:15:23 rin Exp $ */
/*
* Copyright (c) 2001 Wasabi Systems, Inc.
@ -53,10 +53,7 @@ pthread__sp(void)
/*
* Set initial, sane values for registers whose values aren't just
* "don't care".
*
* XXX
* "Sane value" for MSR differs between oea/booke/ibm4xx, but no way to
* obtain from userland. It should be corrected by cpu_setmcontext().
* 0xd032 is PSL_USERSET from arch/powerpc/include/psl.h
*/
#define _INITCONTEXT_U_MD(ucp) \
(ucp)->uc_mcontext.__gregs[_REG_MSR] = 0xd032;

6
sys/arch/powerpc/powerpc/sig_machdep.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: sig_machdep.c,v 1.47 2020/02/20 07:07:02 rin Exp $ */
/* $NetBSD: sig_machdep.c,v 1.48 2020/04/11 09:15:23 rin Exp $ */
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
@ -32,7 +32,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sig_machdep.c,v 1.47 2020/02/20 07:07:02 rin Exp $");
__KERNEL_RCSID(0, "$NetBSD: sig_machdep.c,v 1.48 2020/04/11 09:15:23 rin Exp $");
#include "opt_ppcarch.h"
#include "opt_altivec.h"
@ -191,8 +191,6 @@ cpu_getmcontext(struct lwp *l, mcontext_t *mcp, unsigned int *flagp)
int
cpu_mcontext_validate(struct lwp *l, const mcontext_t *mcp)
{
KASSERT(PSL_USEROK_P(mcp->__gregs[_REG_MSR]));
return 0;
}