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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sme-inst.h (880B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2// Copyright (C) 2021-2 ARM Limited.
      3// Original author: Mark Brown <broonie@kernel.org>
      4
      5#ifndef SME_INST_H
      6#define SME_INST_H
      7
      8/*
      9 * RDSVL X\nx, #\imm
     10 */
     11.macro rdsvl nx, imm
     12	.inst	0x4bf5800			\
     13		| (\imm << 5)			\
     14		| (\nx)
     15.endm
     16
     17.macro smstop
     18	msr	S0_3_C4_C6_3, xzr
     19.endm
     20
     21.macro smstart_za
     22	msr	S0_3_C4_C5_3, xzr
     23.endm
     24
     25.macro smstart_sm
     26	msr	S0_3_C4_C3_3, xzr
     27.endm
     28
     29/*
     30 * LDR (vector to ZA array):
     31 *	LDR ZA[\nw, #\offset], [X\nxbase, #\offset, MUL VL]
     32 */
     33.macro _ldr_za nw, nxbase, offset=0
     34	.inst	0xe1000000			\
     35		| (((\nw) & 3) << 13)		\
     36		| ((\nxbase) << 5)		\
     37		| ((\offset) & 7)
     38.endm
     39
     40/*
     41 * STR (vector from ZA array):
     42 *	STR ZA[\nw, #\offset], [X\nxbase, #\offset, MUL VL]
     43 */
     44.macro _str_za nw, nxbase, offset=0
     45	.inst	0xe1200000			\
     46		| (((\nw) & 3) << 13)		\
     47		| ((\nxbase) << 5)		\
     48		| ((\offset) & 7)
     49.endm
     50
     51#endif