d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Make sure to sanitize the FP status register. Specifically this

Browse Source 
masks all FP traps, which should not happen in the kernel.
This commit is contained in:
Marcel Moolenaar 2004-05-07 05:29:12 +00:00
parent ccc09458fa
commit 99aa060c2b
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
sys/ia64/ia64/interrupt.c
View File

@ -52,6 +52,7 @@
#include <machine/clock.h> #include <machine/clock.h>
#include <machine/cpu.h> #include <machine/cpu.h>
#include <machine/fpu.h>
#include <machine/frame.h> #include <machine/frame.h>
#include <machine/intr.h> #include <machine/intr.h>
#include <machine/md_var.h> #include <machine/md_var.h>
@ -132,6 +133,8 @@ interrupt(u_int64_t vector, struct trapframe *tf)
int64_t delta; int64_t delta;
int count; int count;
ia64_set_fpsr(IA64_FPSR_DEFAULT);
td = curthread; td = curthread;
atomic_add_int(&td->td_intr_nesting_level, 1); atomic_add_int(&td->td_intr_nesting_level, 1);