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-rw-r--r--arch/mips/mm/tlbex-fault.S27
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/mips/mm/tlbex-fault.S b/arch/mips/mm/tlbex-fault.S
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+++ b/arch/mips/mm/tlbex-fault.S
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+/*
+ * 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