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53 lines
1.5 KiB
53 lines
1.5 KiB
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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/* Copyright (C) 2017-2018 ARM Limited */ |
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/* |
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* For use by other UAPI headers only. |
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* Do not make direct use of header or its definitions. |
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*/ |
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#ifndef _UAPI__ASM_SVE_CONTEXT_H |
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#define _UAPI__ASM_SVE_CONTEXT_H |
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#include <linux/types.h> |
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#define __SVE_VQ_BYTES 16 /* number of bytes per quadword */ |
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#define __SVE_VQ_MIN 1 |
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#define __SVE_VQ_MAX 512 |
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#define __SVE_VL_MIN (__SVE_VQ_MIN * __SVE_VQ_BYTES) |
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#define __SVE_VL_MAX (__SVE_VQ_MAX * __SVE_VQ_BYTES) |
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#define __SVE_NUM_ZREGS 32 |
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#define __SVE_NUM_PREGS 16 |
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#define __sve_vl_valid(vl) \ |
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((vl) % __SVE_VQ_BYTES == 0 && \ |
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(vl) >= __SVE_VL_MIN && \ |
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(vl) <= __SVE_VL_MAX) |
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#define __sve_vq_from_vl(vl) ((vl) / __SVE_VQ_BYTES) |
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#define __sve_vl_from_vq(vq) ((vq) * __SVE_VQ_BYTES) |
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#define __SVE_ZREG_SIZE(vq) ((__u32)(vq) * __SVE_VQ_BYTES) |
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#define __SVE_PREG_SIZE(vq) ((__u32)(vq) * (__SVE_VQ_BYTES / 8)) |
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#define __SVE_FFR_SIZE(vq) __SVE_PREG_SIZE(vq) |
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#define __SVE_ZREGS_OFFSET 0 |
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#define __SVE_ZREG_OFFSET(vq, n) \ |
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(__SVE_ZREGS_OFFSET + __SVE_ZREG_SIZE(vq) * (n)) |
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#define __SVE_ZREGS_SIZE(vq) \ |
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(__SVE_ZREG_OFFSET(vq, __SVE_NUM_ZREGS) - __SVE_ZREGS_OFFSET) |
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#define __SVE_PREGS_OFFSET(vq) \ |
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(__SVE_ZREGS_OFFSET + __SVE_ZREGS_SIZE(vq)) |
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#define __SVE_PREG_OFFSET(vq, n) \ |
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(__SVE_PREGS_OFFSET(vq) + __SVE_PREG_SIZE(vq) * (n)) |
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#define __SVE_PREGS_SIZE(vq) \ |
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(__SVE_PREG_OFFSET(vq, __SVE_NUM_PREGS) - __SVE_PREGS_OFFSET(vq)) |
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#define __SVE_FFR_OFFSET(vq) \ |
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(__SVE_PREGS_OFFSET(vq) + __SVE_PREGS_SIZE(vq)) |
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#endif /* ! _UAPI__ASM_SVE_CONTEXT_H */
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