summaryrefslogtreecommitdiff
path: root/arch/parisc/math-emu/fpu.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/parisc/math-emu/fpu.h')
-rw-r--r--arch/parisc/math-emu/fpu.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/arch/parisc/math-emu/fpu.h b/arch/parisc/math-emu/fpu.h
new file mode 100644
index 000000000..0af5c3c88
--- /dev/null
+++ b/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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+/*
+ * BEGIN_DESC
+ *
+ * File:
+ * @(#) pa/fp/fpu.h $Revision: 1.1 $
+ *
+ * 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 */