Virtual SMP support for the 34K.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 14 insertions, 0 deletions

diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 876aff71cd2e..e38f24b2b3db 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -28,6 +28,8 @@
 #include <asm/cpu.h>
 #include <asm/dsp.h>
 #include <asm/fpu.h>
+#include <asm/mipsregs.h>
+#include <asm/mipsmtregs.h>
 #include <asm/module.h>
 #include <asm/pgtable.h>
 #include <asm/ptrace.h>
@@ -56,6 +58,7 @@ extern asmlinkage void handle_tr(void);
 extern asmlinkage void handle_fpe(void);
 extern asmlinkage void handle_mdmx(void);
 extern asmlinkage void handle_watch(void);
+extern asmlinkage void handle_mt(void);
 extern asmlinkage void handle_dsp(void);
 extern asmlinkage void handle_mcheck(void);
 extern asmlinkage void handle_reserved(void);
@@ -797,6 +800,14 @@ asmlinkage void do_mcheck(struct pt_regs *regs)
               (regs->cp0_status & ST0_TS) ? "" : "not ");
 }
 
+asmlinkage void do_mt(struct pt_regs *regs)
+{
+        die_if_kernel("MIPS MT Thread exception in kernel", regs);
+
+        force_sig(SIGILL, current);
+}
+
+
 asmlinkage void do_dsp(struct pt_regs *regs)
 {
         if (cpu_has_dsp)
@@ -1338,6 +1349,9 @@ void __init trap_init(void)
         if (cpu_has_mcheck)
                 set_except_vector(24, handle_mcheck);
 
+        if (cpu_has_mipsmt)
+                set_except_vector(25, handle_mt);
+
         if (cpu_has_dsp)
                 set_except_vector(26, handle_dsp);