From 340ee4b98c0543b5632cac975a7449a2d28762d8 Mon Sep 17 00:00:00 2001
From: Ralf Baechle <ralf@linux-mips.org>
Date: Wed, 17 Aug 2005 17:44:08 +0000
Subject: Virtual SMP support for the 34K.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/kernel/traps.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'arch/mips/kernel/traps.c')

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);
 
-- 
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