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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
| commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
| tree | a94efe259b9009378be6d90eb30d2b019d95c194 /arch/parisc/math-emu/fpu.h | |
| parent | Initial commit. (diff) | |
| download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip | |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/parisc/math-emu/fpu.h')
| -rw-r--r-- | arch/parisc/math-emu/fpu.h | 63 |
1 files changed, 63 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..853c19c03 --- /dev/null +++ b/arch/parisc/math-emu/fpu.h @@ -0,0 +1,63 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Linux/PA-RISC Project (http://www.parisc-linux.org/) + * + * Floating-point emulation code + * Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org> + */ +/* + * 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 */ |