patch-2.4.19 linux-2.4.19/arch/mips64/mm/tlb-glue-r4k.S
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- Lines: 38
- Date:
Fri Aug 2 17:39:43 2002
- Orig file:
linux-2.4.18/arch/mips64/mm/tlb-glue-r4k.S
- Orig date:
Wed Dec 31 16:00:00 1969
diff -urN linux-2.4.18/arch/mips64/mm/tlb-glue-r4k.S linux-2.4.19/arch/mips64/mm/tlb-glue-r4k.S
@@ -0,0 +1,37 @@
+/*
+ * 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 <linux/init.h>
+#include <asm/mipsregs.h>
+#include <asm/regdef.h>
+#include <asm/stackframe.h>
+
+ .macro __BUILD_cli
+ CLI
+ .endm
+
+ .macro __BUILD_sti
+ STI
+ .endm
+
+ .macro tlb_handler name interruptible writebit
+ NESTED(__\name, PT_SIZE, sp)
+ SAVE_ALL
+ dmfc0 a2, CP0_BADVADDR
+ __BUILD_\interruptible
+ li a1, \writebit
+ sd a2, PT_BVADDR(sp)
+ move a0, sp
+ jal do_page_fault
+ j ret_from_exception
+ END(__\name)
+ .endm
+
+ tlb_handler xtlb_mod sti 1
+ tlb_handler xtlb_tlbl sti 0
+ tlb_handler xtlb_tlbs sti 1
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