Move ieeefp.h over, and put it in the correct subdirectory this time.

Submitted by:	Andrew Moore

1 files changed, 104 insertions, 0 deletions

diff --git a/sys/amd64/include/ieeefp.h b/sys/amd64/include/ieeefp.h
new file mode 100644
index 0000000..c7929fe
--- /dev/null
+++ b/sys/amd64/include/ieeefp.h
@@ -0,0 +1,104 @@
+/*-
+ * Copyright (c) 1990 Andrew Moore, Talke Studio
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * 	from: @(#) ieeefp.h 	1.0 (Berkeley) 9/23/93
+ *	$Id: ieeefp.h,v 1.2 1993/10/16 17:16:52 rgrimes Exp $
+ */
+
+/*
+ *	IEEE floating point type and constant definitions.
+ */
+
+#ifndef _IEEEFP_H_
+#define _IEEEFP_H_
+
+#ifdef __i386__
+
+/*
+ * FP rounding modes
+ */
+typedef enum {
+	FP_RN=0,	/* round to nearest */
+	FP_RM,		/* round down to minus infinity */
+	FP_RP,		/* round up to plus infinity */
+	FP_RZ		/* truncate */
+} fp_rnd_t;
+
+/*
+ * FP precison modes
+ */
+typedef enum {
+	FP_PS=0,	/* 24 bit (single-precsion) */
+	FP_PRS,		/* reserved */
+	FP_PD,		/* 53 bit (double-precision) */
+	FP_PE		/* 64 bit (extended-precsion) */
+} fp_prec_t;
+
+#define fp_except_t	int
+
+/*
+ * FP exception masks
+ */
+#define FP_X_INV	0x01	/* invalid operation */
+#define FP_X_DNML	0x02	/* denormal */
+#define FP_X_DZ		0x04	/* zero divide */
+#define FP_X_OFL	0x08	/* overflow */
+#define FP_X_UFL	0x10	/* underflow */
+#define FP_X_IMP	0x20	/* (im)precision */
+
+/*
+ * FP registers
+ */
+#define FP_MSKS_REG	0	/* exception masks */
+#define FP_PRC_REG	0	/* precision */
+#define FP_RND_REG	0	/* direction */
+#define FP_STKY_REG	1	/* sticky flags */
+
+/*
+ * FP register bit field masks
+ */
+#define FP_MSKS_FLD	0x3f	/* exception masks field */
+#define FP_PRC_FLD	0x300	/* precision control field */
+#define FP_RND_FLD	0xc00	/* round control field */
+#define FP_STKY_FLD	0x3f	/* sticky flags field */
+
+/*
+ * FP register bit field offsets
+ */
+#define FP_MSKS_OFF	0	/* exception masks offset */
+#define FP_PRC_OFF	8	/* precision control offset */
+#define FP_RND_OFF	10	/* round control offset */
+#define FP_STKY_OFF	0	/* sticky flags offset */
+
+#endif /* __i386__ */
+
+#endif /* !_IEEEFP_H_ */