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30 lines
708 B
30 lines
708 B
/* SPDX-License-Identifier: GPL-2.0 |
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* |
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* linux/arch/sh/kernel/cpu/sh4/sh4_fpu.h |
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* |
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* Copyright (C) 2006 STMicroelectronics Limited |
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* Author: Carl Shaw <[email protected]> |
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* |
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* Definitions for SH4 FPU operations |
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*/ |
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#ifndef __CPU_SH4_FPU_H |
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#define __CPU_SH4_FPU_H |
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#define FPSCR_ENABLE_MASK 0x00000f80UL |
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#define FPSCR_FMOV_DOUBLE (1<<1) |
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#define FPSCR_CAUSE_INEXACT (1<<12) |
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#define FPSCR_CAUSE_UNDERFLOW (1<<13) |
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#define FPSCR_CAUSE_OVERFLOW (1<<14) |
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#define FPSCR_CAUSE_DIVZERO (1<<15) |
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#define FPSCR_CAUSE_INVALID (1<<16) |
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#define FPSCR_CAUSE_ERROR (1<<17) |
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#define FPSCR_DBL_PRECISION (1<<19) |
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#define FPSCR_ROUNDING_MODE(x) ((x >> 20) & 3) |
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#define FPSCR_RM_NEAREST (0) |
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#define FPSCR_RM_ZERO (1) |
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#endif
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