diff options
| author | Doug Rabson <dfr@FreeBSD.org> | 1998-12-04 10:52:48 +0000 |
|---|---|---|
| committer | Doug Rabson <dfr@FreeBSD.org> | 1998-12-04 10:52:48 +0000 |
| commit | 5b38fe900d505bcfed3afc428cff5710109aed29 (patch) | |
| tree | eccaf7c298762ce1a0329739c93dced5dde58155 /sys/powerpc | |
| parent | 60159a06334eb8ec259c5febc12797d3ed1ba4af (diff) | |
Notes
Diffstat (limited to 'sys/powerpc')
| -rw-r--r-- | sys/powerpc/aim/vm_machdep.c | 14 | ||||
| -rw-r--r-- | sys/powerpc/powerpc/vm_machdep.c | 14 |
2 files changed, 26 insertions, 2 deletions
diff --git a/sys/powerpc/aim/vm_machdep.c b/sys/powerpc/aim/vm_machdep.c index 95a41d83feeb..600819c5e91c 100644 --- a/sys/powerpc/aim/vm_machdep.c +++ b/sys/powerpc/aim/vm_machdep.c @@ -38,7 +38,7 @@ * * from: @(#)vm_machdep.c 7.3 (Berkeley) 5/13/91 * Utah $Hdr: vm_machdep.c 1.16.1.1 89/06/23$ - * $Id: vm_machdep.c,v 1.3 1998/07/12 16:30:58 dfr Exp $ + * $Id: vm_machdep.c,v 1.4 1998/10/15 09:53:27 dfr Exp $ */ /* * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University. @@ -79,6 +79,7 @@ #include <machine/clock.h> #include <machine/cpu.h> +#include <machine/fpu.h> #include <machine/md_var.h> #include <machine/prom.h> @@ -147,6 +148,17 @@ cpu_fork(p1, p2) p2->p_addr->u_pcb.pcb_hw.apcb_usp = alpha_pal_rdusp(); /* + * Set the floating point state. + */ + if ((p2->p_addr->u_pcb.pcb_fp_control & IEEE_INHERIT) == 0) { + p2->p_addr->u_pcb.pcb_fp_control = (IEEE_TRAP_ENABLE_INV + | IEEE_TRAP_ENABLE_DZE + | IEEE_TRAP_ENABLE_OVF); + p2->p_addr->u_pcb.pcb_fp.fpr_cr = (FPCR_DYN_NORMAL + | FPCR_INED | FPCR_UNFD); + } + + /* * Arrange for a non-local goto when the new process * is started, to resume here, returning nonzero from setjmp. */ diff --git a/sys/powerpc/powerpc/vm_machdep.c b/sys/powerpc/powerpc/vm_machdep.c index 95a41d83feeb..600819c5e91c 100644 --- a/sys/powerpc/powerpc/vm_machdep.c +++ b/sys/powerpc/powerpc/vm_machdep.c @@ -38,7 +38,7 @@ * * from: @(#)vm_machdep.c 7.3 (Berkeley) 5/13/91 * Utah $Hdr: vm_machdep.c 1.16.1.1 89/06/23$ - * $Id: vm_machdep.c,v 1.3 1998/07/12 16:30:58 dfr Exp $ + * $Id: vm_machdep.c,v 1.4 1998/10/15 09:53:27 dfr Exp $ */ /* * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University. @@ -79,6 +79,7 @@ #include <machine/clock.h> #include <machine/cpu.h> +#include <machine/fpu.h> #include <machine/md_var.h> #include <machine/prom.h> @@ -147,6 +148,17 @@ cpu_fork(p1, p2) p2->p_addr->u_pcb.pcb_hw.apcb_usp = alpha_pal_rdusp(); /* + * Set the floating point state. + */ + if ((p2->p_addr->u_pcb.pcb_fp_control & IEEE_INHERIT) == 0) { + p2->p_addr->u_pcb.pcb_fp_control = (IEEE_TRAP_ENABLE_INV + | IEEE_TRAP_ENABLE_DZE + | IEEE_TRAP_ENABLE_OVF); + p2->p_addr->u_pcb.pcb_fp.fpr_cr = (FPCR_DYN_NORMAL + | FPCR_INED | FPCR_UNFD); + } + + /* * Arrange for a non-local goto when the new process * is started, to resume here, returning nonzero from setjmp. */ |