patch-2.3.48 linux/include/asm-mips64/current.h

• Lines: 36
• Date: Thu Feb 24 22:53:35 2000
• Orig file: v2.3.47/linux/include/asm-mips64/current.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.47/linux/include/asm-mips64/current.h linux/include/asm-mips64/current.h
@@ -0,0 +1,35 @@
+/* $Id: current.h,v 1.4 2000/01/17 23:32:47 ralf Exp $
+ *
+ * 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) 1998, 1999 Ralf Baechle
+ */
+#ifndef _ASM_CURRENT_H
+#define _ASM_CURRENT_H
+
+#ifdef _LANGUAGE_C
+
+/* MIPS rules... */
+register struct task_struct *current asm("$28");
+
+#endif /* _LANGUAGE_C */
+#ifdef _LANGUAGE_ASSEMBLY
+
+/*
+ * Special variant for use by exception handlers when the stack pointer
+ * is not loaded.
+ */
+#define _GET_CURRENT(reg)			\
+	lui	reg, %hi(kernelsp);		\
+	.set	push;				\
+	.set	noreorder;			\
+	ld	reg, %lo(kernelsp)(reg);	\
+	.set	pop;				\
+	ori	reg, 0x3fff;			\
+	xori	reg, 0x3fff
+
+#endif
+
+#endif /* _ASM_CURRENT_H */