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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
| commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
| tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /arch/sh/include/cpu-sh4/cpu/fpu.h | |
| parent | Initial commit. (diff) | |
| download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip | |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/sh/include/cpu-sh4/cpu/fpu.h')
| -rw-r--r-- | arch/sh/include/cpu-sh4/cpu/fpu.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/sh/include/cpu-sh4/cpu/fpu.h b/arch/sh/include/cpu-sh4/cpu/fpu.h new file mode 100644 index 000000000..29f451bfe --- /dev/null +++ b/arch/sh/include/cpu-sh4/cpu/fpu.h @@ -0,0 +1,30 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * linux/arch/sh/kernel/cpu/sh4/sh4_fpu.h + * + * Copyright (C) 2006 STMicroelectronics Limited + * Author: Carl Shaw <carl.shaw@st.com> + * + * Definitions for SH4 FPU operations + */ + +#ifndef __CPU_SH4_FPU_H +#define __CPU_SH4_FPU_H + +#define FPSCR_ENABLE_MASK 0x00000f80UL + +#define FPSCR_FMOV_DOUBLE (1<<1) + +#define FPSCR_CAUSE_INEXACT (1<<12) +#define FPSCR_CAUSE_UNDERFLOW (1<<13) +#define FPSCR_CAUSE_OVERFLOW (1<<14) +#define FPSCR_CAUSE_DIVZERO (1<<15) +#define FPSCR_CAUSE_INVALID (1<<16) +#define FPSCR_CAUSE_ERROR (1<<17) + +#define FPSCR_DBL_PRECISION (1<<19) +#define FPSCR_ROUNDING_MODE(x) ((x >> 20) & 3) +#define FPSCR_RM_NEAREST (0) +#define FPSCR_RM_ZERO (1) + +#endif |