2 * Linux/PA-RISC Project (http://www.parisc-linux.org/)
4 * Floating-point emulation code
5 * Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2, or (at your option)
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 * @(#) pa/fp/fpu.h $Revision: 1.1 $
28 * <<please update with a synopis of the functionality provided by this file>>
35 PA header file -- do not include this header file for non-PA builds.
39 #ifndef _MACHINE_FPU_INCLUDED /* allows multiple inclusion */
40 #define _MACHINE_FPU_INCLUDED
43 #ifndef _SYS_STDSYMS_INCLUDED
44 # include <sys/stdsyms.h>
45 #endif /* _SYS_STDSYMS_INCLUDED */
46 #include <machine/pdc/pdc_rqsts.h>
49 #define PA83_FPU_FLAG 0x00000001
50 #define PA89_FPU_FLAG 0x00000002
51 #define PA2_0_FPU_FLAG 0x00000010
53 #define TIMEX_EXTEN_FLAG 0x00000004
55 #define ROLEX_EXTEN_FLAG 0x00000008
56 #define COPR_FP 0x00000080 /* Floating point -- Coprocessor 0 */
57 #define SFU_MPY_DIVIDE 0x00008000 /* Multiply/Divide __ SFU 0 */
60 #define EM_FPU_TYPE_OFFSET 272
62 /* version of EMULATION software for COPR,0,0 instruction */
63 #define EMULATION_VERSION 4
66 * The only was to differeniate between TIMEX and ROLEX (or PCX-S and PCX-T)
67 * is thorough the potential type field from the PDC_MODEL call. The
68 * following flags are used at assist this differeniation.
71 #define ROLEX_POTENTIAL_KEY_FLAGS PDC_MODEL_CPU_KEY_WORD_TO_IO
72 #define TIMEX_POTENTIAL_KEY_FLAGS (PDC_MODEL_CPU_KEY_QUAD_STORE | \
73 PDC_MODEL_CPU_KEY_RECIP_SQRT)
76 #endif /* ! _MACHINE_FPU_INCLUDED */