patch-2.4.20 linux-2.4.20/arch/parisc/math-emu/fpu.h

• Lines: 77
• Date: Thu Nov 28 15:53:10 2002
• Orig file: linux-2.4.19/arch/parisc/math-emu/fpu.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.19/arch/parisc/math-emu/fpu.h linux-2.4.20/arch/parisc/math-emu/fpu.h
@@ -0,0 +1,76 @@
+/*
+ * Linux/PA-RISC Project (http://www.parisc-linux.org/)
+ *
+ * Floating-point emulation code
+ *  Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org>
+ *
+ *    This program is free software; you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation; either version 2, or (at your option)
+ *    any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program; if not, write to the Free Software
+ *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+/*
+ * BEGIN_DESC
+ * 
+ *  File: 
+ *      @(#)	pa/fp/fpu.h		$Revision: 1.2 $
+ * 
+ *  Purpose:
+ *      <<please update with a synopis of the functionality provided by this file>>
+ * 
+ * 
+ * END_DESC  
+*/
+
+#ifdef __NO_PA_HDRS
+    PA header file -- do not include this header file for non-PA builds.
+#endif
+
+
+#ifndef _MACHINE_FPU_INCLUDED /* allows multiple inclusion */
+#define _MACHINE_FPU_INCLUDED
+
+#if 0
+#ifndef _SYS_STDSYMS_INCLUDED
+#    include <sys/stdsyms.h>
+#endif   /* _SYS_STDSYMS_INCLUDED  */
+#include  <machine/pdc/pdc_rqsts.h>
+#endif
+
+#define PA83_FPU_FLAG    0x00000001
+#define PA89_FPU_FLAG    0x00000002
+#define PA2_0_FPU_FLAG   0x00000010
+
+#define TIMEX_EXTEN_FLAG 0x00000004
+
+#define ROLEX_EXTEN_FLAG 0x00000008
+#define COPR_FP 	0x00000080	/* Floating point -- Coprocessor 0 */
+#define SFU_MPY_DIVIDE	0x00008000	/* Multiply/Divide __ SFU 0 */
+
+
+#define EM_FPU_TYPE_OFFSET 272
+
+/* version of EMULATION software for COPR,0,0 instruction */
+#define EMULATION_VERSION 4
+
+/*
+ * The only was to differeniate between TIMEX and ROLEX (or PCX-S and PCX-T)
+ * is thorough the potential type field from the PDC_MODEL call.  The 
+ * following flags are used at assist this differeniation.
+ */
+
+#define ROLEX_POTENTIAL_KEY_FLAGS	PDC_MODEL_CPU_KEY_WORD_TO_IO
+#define TIMEX_POTENTIAL_KEY_FLAGS	(PDC_MODEL_CPU_KEY_QUAD_STORE | \
+					 PDC_MODEL_CPU_KEY_RECIP_SQRT)
+
+
+#endif /* ! _MACHINE_FPU_INCLUDED */