From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Wed, 30 Aug 2017 08:25:59 +0000
Subject: Initial file dump from open source release

---
 arch/mips/mm/tlbex-fault.S | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 arch/mips/mm/tlbex-fault.S

(limited to 'arch/mips/mm/tlbex-fault.S')

diff --git a/arch/mips/mm/tlbex-fault.S b/arch/mips/mm/tlbex-fault.S
new file mode 100644
index 00000000..318855eb
--- /dev/null
+++ b/arch/mips/mm/tlbex-fault.S
@@ -0,0 +1,27 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1999 Ralf Baechle
+ * Copyright (C) 1999 Silicon Graphics, Inc.
+ */
+#include <asm/mipsregs.h>
+#include <asm/regdef.h>
+#include <asm/stackframe.h>
+
+	.macro tlb_do_page_fault, write
+	NESTED(tlb_do_page_fault_\write, PT_SIZE, sp)
+	SAVE_ALL
+	MFC0	a2, CP0_BADVADDR
+	KMODE
+	move	a0, sp
+	REG_S	a2, PT_BVADDR(sp)
+	li	a1, \write
+	PTR_LA	ra, ret_from_exception
+	j	do_page_fault
+	END(tlb_do_page_fault_\write)
+	.endm
+
+	tlb_do_page_fault 0
+	tlb_do_page_fault 1
-- 
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