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

Set ar.fpsr to something sane before trying to handle a trap - the user

Browse Source 
might have trashed it.
This commit is contained in:
Doug Rabson 2001-10-21 14:02:27 +00:00
parent 54e594762b
commit 3b51c8566c
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
sys/ia64/ia64/trap.c
View File

@ -285,6 +285,12 @@ trap(int vector, int imm, struct trapframe *framep)
p = td->td_proc;
ucode = 0;
/*
* Make sure we have a sane floating-point state in case the
* user has trashed it.
*/
ia64_set_fpsr(IA64_FPSR_DEFAULT);
user = ((framep->tf_cr_ipsr & IA64_PSR_CPL) == IA64_PSR_CPL_USER);
if (user) {
sticks = td->td_kse->ke_sticks;