diff options
Diffstat (limited to 'sys/ia64')
| -rw-r--r-- | sys/ia64/ia64/trap.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/sys/ia64/ia64/trap.c b/sys/ia64/ia64/trap.c index 6a66361..77b5009 100644 --- a/sys/ia64/ia64/trap.c +++ b/sys/ia64/ia64/trap.c @@ -629,8 +629,20 @@ trap(int vector, struct trapframe *tf) break; } - case IA64_VEC_NAT_CONSUMPTION: case IA64_VEC_SPECULATION: + /* + * The branching behaviour of the chk instruction is not + * implemented by the processor. All we need to do is + * compute the target address of the branch and make sure + * that control is transfered to that address. + * We should do this in the IVT table and not by entring + * the kernel... + */ + tf->tf_special.iip += tf->tf_special.ifa << 4; + tf->tf_special.psr &= ~IA64_PSR_RI; + goto out; + + case IA64_VEC_NAT_CONSUMPTION: case IA64_VEC_UNSUPP_DATA_REFERENCE: if (user) { ucode = vector; |
