[SPARC64]: First cut at VIS simulator for Niagara.

Niagara does not implement some of the VIS instructions in
hardware, so we have to emulate them.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 0 deletions

diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index 043a72658f6a..7f7dba0ca96a 100644
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -2273,6 +2273,11 @@ void do_illegal_instruction(struct pt_regs *regs)
                 } else if ((insn & 0xc1580000) == 0xc1100000) /* LDQ/STQ */ {
                         if (handle_ldf_stq(insn, regs))
                                 return;
+                } else if (tlb_type == hypervisor) {
+                        extern int vis_emul(struct pt_regs *, unsigned int);
+
+                        if (!vis_emul(regs, insn))
+                                return;
                 }
         }
         info.si_signo = SIGILL;