Home | History | Annotate | Line # | Download | only in include
vfpreg.h revision 1.1.10.2
      1 /*      $NetBSD: vfpreg.h,v 1.1.10.2 2008/04/03 12:42:12 mjf Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2008 ARM Ltd
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. The name of the company may not be used to endorse or promote
     16  *    products derived from this software without specific prior written
     17  *    permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR
     20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY
     23  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
     25  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     27  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
     28  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     29  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _VFPREG_H
     33 #define _VFPREG_H
     34 
     35 /* FPSID regsiter */
     36 
     37 #define VFP_FPSID_IMP_MSK	0xff000000	/* Implementer */
     38 #define VFP_FPSID_IMP_ARM	0x41000000	/* Implementer: ARM */
     39 #define VFP_FPSID_SW		0x00800000	/* VFP implemented in SW */
     40 #define VFP_FPSID_FMT_MSK	0x00600000	/* FLDMX/FSTMX Format */
     41 #define VFP_FPSID_FMT_1		0x00000000	/* Standard format 1 */
     42 #define VFP_FPSID_FMT_2		0x00200000	/* Standard format 2 */
     43 #define VFP_FPSID_FMT_WEIRD	0x00600000	/* Non-standard format */
     44 #define VFP_FPSID_SP		0x00100000	/* Only single precision */
     45 #define VFP_FPSID_ARCH_MSK	0x000f0000	/* Architecture */
     46 #define VFP_FPSID_ARCH_V1	0x00000000	/* Arch VFPv1 */
     47 #define VFP_FPSID_ARCH_V2	0x00010000	/* Arch VFPv2 */
     48 #define VFP_FPSID_PART_MSK	0x0000ff00	/* Part number */
     49 #define VFP_FPSID_PART_VFP10	0x00001000	/* VFP10 */
     50 #define VFP_FPSID_VAR_MSK	0x000000f0	/* Variant */
     51 #define VFP_FPSID_VAR_ARM10	0x000000a0	/* Variant ARM10 */
     52 #define VFP_FPSID_REV_MSK	0x0000000f	/* Revision */
     53 
     54 #define VFP_FPEXC_EX		0x80000000	/* Exception status bit */
     55 #define VFP_FPEXC_EN		0x40000000	/* Enable bit */
     56 
     57 #define VFP_FPSCR_DN		0x02000000	/* Default NaN mode */
     58 #define VFP_FPSCR_FZ		0x01000000	/* Flush-to-zero mode */
     59 
     60 
     61 #define FPU_VFP10_ARM10E	0x410001a0	/* Really a VFPv2 part */
     62 #define FPU_VFP11_ARM11		0x410120b0
     63 
     64 #endif /* _VFPREG_H */
     65