diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2004-07-10 18:57:00 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2004-07-10 18:57:00 +0000 |
| commit | dc1ae928ec0ab57cd4657838d2648e590b552787 (patch) | |
| tree | 5bc845be8c06e63f3a048343d79ad49b8cea879d /sys/arch/amd64 | |
| parent | 3b6962b49c67e52986c9fdd9347c3e3bfb7a9b5e (diff) | |
Keep mxcsr and mxcsr_mask across the fake init in process_read_fpregs.
ok deraadt@
Diffstat (limited to 'sys/arch/amd64')
| -rw-r--r-- | sys/arch/amd64/amd64/process_machdep.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/arch/amd64/amd64/process_machdep.c b/sys/arch/amd64/amd64/process_machdep.c index 558a873d824..d16b21c1445 100644 --- a/sys/arch/amd64/amd64/process_machdep.c +++ b/sys/arch/amd64/amd64/process_machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: process_machdep.c,v 1.4 2004/02/01 15:00:42 miod Exp $ */ +/* $OpenBSD: process_machdep.c,v 1.5 2004/07/10 18:56:59 kettenis Exp $ */ /* $NetBSD: process_machdep.c,v 1.1 2003/04/26 18:39:31 fvdl Exp $ */ /*- @@ -139,6 +139,7 @@ process_read_fpregs(struct proc *p, struct fpreg *regs) fpusave_proc(p, 1); } else { u_int16_t cw; + u_int32_t mxcsr, mxcsr_mask; /* * Fake a FNINIT. @@ -146,10 +147,14 @@ process_read_fpregs(struct proc *p, struct fpreg *regs) * save it temporarily. */ cw = frame->fx_fcw; + mxcsr = frame->fx_mxcsr; + mxcsr_mask = frame->fx_mxcsr_mask; memset(frame, 0, sizeof(*regs)); frame->fx_fcw = cw; frame->fx_fsw = 0x0000; frame->fx_ftw = 0xff; + frame->fx_mxcsr = mxcsr; + frame->fx_mxcsr_mask = mxcsr_mask; p->p_md.md_flags |= MDP_USEDFPU; } |