diff options
| author | Michael Shalayeff <mickey@cvs.openbsd.org> | 2002-11-08 21:42:13 +0000 |
|---|---|---|
| committer | Michael Shalayeff <mickey@cvs.openbsd.org> | 2002-11-08 21:42:13 +0000 |
| commit | 1231260e339c8e949f11b360a78f477cf480190d (patch) | |
| tree | 12382b42a3e696dc4000cac87d4dee377613afba /sys/arch | |
| parent | d98cc04f9d30439bb83ca062694bf0ed2a91f151 (diff) | |
only reset the pending fpu exceptions on fork, not the rest of the fpu status reg
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/hppa/hppa/vm_machdep.c | 4 | ||||
| -rw-r--r-- | sys/arch/hppa/include/cpu.h | 4 |
2 files changed, 5 insertions, 3 deletions
diff --git a/sys/arch/hppa/hppa/vm_machdep.c b/sys/arch/hppa/hppa/vm_machdep.c index 608e4e22ebb..807c5d5ec7c 100644 --- a/sys/arch/hppa/hppa/vm_machdep.c +++ b/sys/arch/hppa/hppa/vm_machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vm_machdep.c,v 1.44 2002/10/07 15:32:37 mickey Exp $ */ +/* $OpenBSD: vm_machdep.c,v 1.45 2002/11/08 21:42:12 mickey Exp $ */ /* * Copyright (c) 1999-2002 Michael Shalayeff @@ -171,7 +171,7 @@ cpu_fork(p1, p2, stack, stacksize, func, arg) pcbp->pcb_space = p2->p_vmspace->vm_map.pmap->pm_space; pcbp->pcb_uva = (vaddr_t)p2->p_addr; /* reset any of the pending FPU exceptions from parent */ - pcbp->pcb_fpregs[0] = ((u_int64_t)HPPA_FPU_INIT) << 32; + pcbp->pcb_fpregs[0] = HPPA_FPU_FORK(pcbp->pcb_fpregs[0]); pcbp->pcb_fpregs[1] = 0; pcbp->pcb_fpregs[2] = 0; pcbp->pcb_fpregs[3] = 0; diff --git a/sys/arch/hppa/include/cpu.h b/sys/arch/hppa/include/cpu.h index 45a215774ec..c741544f3d9 100644 --- a/sys/arch/hppa/include/cpu.h +++ b/sys/arch/hppa/include/cpu.h @@ -1,4 +1,4 @@ -/* $OpenBSD: cpu.h,v 1.34 2002/10/21 18:41:05 mickey Exp $ */ +/* $OpenBSD: cpu.h,v 1.35 2002/11/08 21:42:12 mickey Exp $ */ /* * Copyright (c) 2000-2002 Michael Shalayeff @@ -90,12 +90,14 @@ extern const char *cpu_typename; #define HPPA_FPU_V 0x10 #define HPPA_FPU_D 0x20 #define HPPA_FPU_T 0x40 +#define HPPA_FPU_XMASK 0x7f #define HPPA_FPU_T_POS 25 #define HPPA_FPU_RM 0x00000600 #define HPPA_FPU_CQ 0x00fff800 #define HPPA_FPU_C 0x04000000 #define HPPA_FPU_FLSH 27 #define HPPA_FPU_INIT (0) +#define HPPA_FPU_FORK(s) ((s) & ~((u_int64_t)(HPPA_FPU_XMASK)<<32)) #define HPPA_PMSFUS 0x20 /* ??? */ /* |