patch-2.4.10 linux/include/asm-mips/sgidefs.h

• Lines: 116
• Date: Sun Sep 9 10:43:01 2001
• Orig file: v2.4.9/linux/include/asm-mips/sgidefs.h
• Orig date: Wed May 20 18:55:15 1998

diff -u --recursive --new-file v2.4.9/linux/include/asm-mips/sgidefs.h linux/include/asm-mips/sgidefs.h
@@ -3,95 +3,39 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (C) 1996 by Ralf Baechle
- *
- * Definitions commonly used in SGI style code.
+ * Copyright (C) 1996, 1999, 2001 Ralf Baechle
+ * Copyright (C) 1999 Silicon Graphics, Inc.
+ * Copyright (C) 2001 MIPS Technologies, Inc.
  */
 #ifndef __ASM_SGIDEFS_H
 #define __ASM_SGIDEFS_H
 
 /*
- * There are compilers out there that don't define _MIPS_ISA, _MIPS_SIM,
- * _MIPS_SZINT, _MIPS_SZLONG, _MIPS_SZPTR.  So we notify the user about this
- * problem.  The kernel sources are aware of this problem, so we don't warn
- * when compiling the kernel.
- */
-#if !defined(_MIPS_ISA) && !defined(__KERNEL__)
-#warning "Macro _MIPS_ISA has not been defined by specs file"
-#endif
-
-#if !defined(_MIPS_SIM) && !defined(__KERNEL__)
-#warning "Macro _MIPS_SIM has not been defined by specs file"
-#endif
-
-#if !defined(_MIPS_SZINT) && !defined(__KERNEL__)
-#warning "Macro _MIPS_SZINT has not been defined by specs file"
-#endif
-
-#if !defined(_MIPS_SZLONG) && !defined(__KERNEL__)
-#warning "Macro _MIPS_SZLONG has not been defined by specs file"
-#endif
-
-#if !defined(_MIPS_SZPTR) && !defined(__KERNEL__)
-#warning "Macro _MIPS_SZPTR has not been defined by specs file"
-#endif
-
-#if (!defined(_MIPS_ISA) || \
-     !defined(_MIPS_SIM) || \
-     !defined(_MIPS_SZINT) || \
-     !defined(_MIPS_SZLONG) || \
-     !defined(_MIPS_SZPTR)) && !defined(__KERNEL__)
-#warning "Please update your GCC to GCC 2.7.2-4 or newer"
-#endif
-
-/*
- * Now let's try our best to supply some reasonable default values for
- * whatever defines GCC didn't supply.  This cannot be done correct for
- * all possible combinations of options, so be careful with your options
- * to GCC.  Best bet is to keep your fingers off the a.out GCC and use
- * ELF GCC 2.7.2-3 where possible.
+ * Using a Linux compiler for building Linux seems logic but not to
+ * everybody.
  */
-#ifndef _MIPS_ISA
-#if __mips == 1
-#define _MIPS_ISA	_MIPS_ISA_MIPS1
-/* It is impossible to handle the -mips2 case correct.  */
-#elif __mips == 3
-#define _MIPS_ISA	_MIPS_ISA_MIPS3
-#elif __mips == 4
-#define _MIPS_ISA	_MIPS_ISA_MIPS4
-#else /* __mips must be 5 */
-#define _MIPS_ISA	_MIPS_ISA_MIPS5
-#endif
-#endif
-#ifndef _MIPS_SIM
-#define _MIPS_SIM	_MIPS_SIM_ABI32
-#endif
-#ifndef _MIPS_SZINT
-#define _MIPS_SZINT	32
-#endif
-#ifndef _MIPS_SZLONG
-#define _MIPS_SZLONG	32
-#endif
-#ifndef _MIPS_SZPTR
-#define _MIPS_SZPTR	32
+#ifndef __linux__
+#error Use a Linux compiler or give up.
 #endif
 
 /*
- * Definitions for the ISA level
+ * Definitions for the ISA levels
+ *
+ * With the introduction of MIPS32 / MIPS64 instruction sets definitions
+ * MIPS ISAs are no longer subsets of each other.  Therefore comparisons
+ * on these symbols except with == may result in unexpected results and
+ * are forbidden!
  */
-#define _MIPS_ISA_MIPS1 1
-#define _MIPS_ISA_MIPS2 2
-#define _MIPS_ISA_MIPS3 3
-#define _MIPS_ISA_MIPS4 4
-#define _MIPS_ISA_MIPS5 5
+#define _MIPS_ISA_MIPS1		1
+#define _MIPS_ISA_MIPS2		2
+#define _MIPS_ISA_MIPS3		3
+#define _MIPS_ISA_MIPS4		4
+#define _MIPS_ISA_MIPS5		5
+#define _MIPS_ISA_MIPS32	6
+#define _MIPS_ISA_MIPS64	7
 
 /*
  * Subprogram calling convention
- *
- * At the moment only _MIPS_SIM_ABI32 is in use.  This will change rsn.
- * Until GCC 2.8.0 is released don't rely on this definitions because the
- * 64bit code is essentially using the 32bit interface model just with
- * 64bit registers.
  */
 #define _MIPS_SIM_ABI32		1
 #define _MIPS_SIM_NABI32	2