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| author | marcel <marcel@FreeBSD.org> | 2004-05-07 05:29:12 +0000 |
|---|---|---|
| committer | marcel <marcel@FreeBSD.org> | 2004-05-07 05:29:12 +0000 |
| commit | 254a0ce34ef95d879069eb07b8cb558f6650d477 (patch) | |
| tree | f6094005b6beff37ee616e3b60c54a5b2fb67aa4 /sys/ia64 | |
| parent | 055815ed7e46944882d8d61591fbbd5d1e390a84 (diff) | |
| download | FreeBSD-src-254a0ce34ef95d879069eb07b8cb558f6650d477.zip FreeBSD-src-254a0ce34ef95d879069eb07b8cb558f6650d477.tar.gz | |
Make sure to sanitize the FP status register. Specifically this
masks all FP traps, which should not happen in the kernel.
Diffstat (limited to 'sys/ia64')
| -rw-r--r-- | sys/ia64/ia64/interrupt.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/ia64/ia64/interrupt.c b/sys/ia64/ia64/interrupt.c index c6b0cdb..1b63841 100644 --- a/sys/ia64/ia64/interrupt.c +++ b/sys/ia64/ia64/interrupt.c @@ -52,6 +52,7 @@ #include <machine/clock.h> #include <machine/cpu.h> +#include <machine/fpu.h> #include <machine/frame.h> #include <machine/intr.h> #include <machine/md_var.h> @@ -132,6 +133,8 @@ interrupt(u_int64_t vector, struct trapframe *tf) int64_t delta; int count; + ia64_set_fpsr(IA64_FPSR_DEFAULT); + td = curthread; atomic_add_int(&td->td_intr_nesting_level, 1); |
