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42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
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/*
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* PROJECT: ReactOS CRT library
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* LICENSE: MIT (https://spdx.org/licenses/MIT)
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* PURPOSE: Headers for ARM fpcsr
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* COPYRIGHT: Copyright 2021 Roman Masanin <36927roma@gmail.com>
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*/
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#include <float.h>
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#define ARM_CW_STATUS_MASK 0x9F
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#define ARM_CW_IM (1 << 0) /* Invalid operation mask */
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#define ARM_CW_ZM (1 << 1) /* Zero divide mask */
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#define ARM_CW_OM (1 << 2) /* Overflow mask */
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#define ARM_CW_UM (1 << 3) /* Underflow mask */
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#define ARM_CW_PM (1 << 4) /* Precision mask */
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#define ARM_CW_DM (1 << 7) /* Denormal operand mask */
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#define ARM_CW_RC_NEAREST 0 /* round to nearest */
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#define ARM_CW_RC_UP 1 /* round up */
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#define ARM_CW_RC_DOWN 2 /* round down */
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#define ARM_CW_RC_ZERO 3 /* round toward zero (chop) */
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typedef union _ARM_FPSCR
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{
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unsigned int raw;
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struct
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{
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unsigned int exception: 8;
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unsigned int ex_control: 8;
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unsigned int len: 3;
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unsigned int unused3: 1;
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unsigned int stride: 2;
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unsigned int rounding_mode: 2;
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unsigned int flush_to_zero: 1;
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unsigned int unused4: 3;
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unsigned int status_flag: 4;
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} data;
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} ARM_FPSCR;
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void __setfp(unsigned int);
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unsigned int __getfp(void);
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