cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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sve_context.h (1577B)

      1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
      2/* Copyright (C) 2017-2018 ARM Limited */
      3
      4/*
      5 * For use by other UAPI headers only.
      6 * Do not make direct use of header or its definitions.
      7 */
      8
      9#ifndef _UAPI__ASM_SVE_CONTEXT_H
     10#define _UAPI__ASM_SVE_CONTEXT_H
     11
     12#include <linux/types.h>
     13
     14#define __SVE_VQ_BYTES		16	/* number of bytes per quadword */
     15
     16#define __SVE_VQ_MIN		1
     17#define __SVE_VQ_MAX		512
     18
     19#define __SVE_VL_MIN		(__SVE_VQ_MIN * __SVE_VQ_BYTES)
     20#define __SVE_VL_MAX		(__SVE_VQ_MAX * __SVE_VQ_BYTES)
     21
     22#define __SVE_NUM_ZREGS		32
     23#define __SVE_NUM_PREGS		16
     24
     25#define __sve_vl_valid(vl)			\
     26	((vl) % __SVE_VQ_BYTES == 0 &&		\
     27	 (vl) >= __SVE_VL_MIN &&		\
     28	 (vl) <= __SVE_VL_MAX)
     29
     30#define __sve_vq_from_vl(vl)	((vl) / __SVE_VQ_BYTES)
     31#define __sve_vl_from_vq(vq)	((vq) * __SVE_VQ_BYTES)
     32
     33#define __SVE_ZREG_SIZE(vq)	((__u32)(vq) * __SVE_VQ_BYTES)
     34#define __SVE_PREG_SIZE(vq)	((__u32)(vq) * (__SVE_VQ_BYTES / 8))
     35#define __SVE_FFR_SIZE(vq)	__SVE_PREG_SIZE(vq)
     36
     37#define __SVE_ZREGS_OFFSET	0
     38#define __SVE_ZREG_OFFSET(vq, n) \
     39	(__SVE_ZREGS_OFFSET + __SVE_ZREG_SIZE(vq) * (n))
     40#define __SVE_ZREGS_SIZE(vq) \
     41	(__SVE_ZREG_OFFSET(vq, __SVE_NUM_ZREGS) - __SVE_ZREGS_OFFSET)
     42
     43#define __SVE_PREGS_OFFSET(vq) \
     44	(__SVE_ZREGS_OFFSET + __SVE_ZREGS_SIZE(vq))
     45#define __SVE_PREG_OFFSET(vq, n) \
     46	(__SVE_PREGS_OFFSET(vq) + __SVE_PREG_SIZE(vq) * (n))
     47#define __SVE_PREGS_SIZE(vq) \
     48	(__SVE_PREG_OFFSET(vq, __SVE_NUM_PREGS) - __SVE_PREGS_OFFSET(vq))
     49
     50#define __SVE_FFR_OFFSET(vq) \
     51	(__SVE_PREGS_OFFSET(vq) + __SVE_PREGS_SIZE(vq))
     52
     53#endif /* ! _UAPI__ASM_SVE_CONTEXT_H */