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// SPDX-License-Identifier: GPL-2.0-only
// Copyright (C) 2021-2 ARM Limited.
// Original author: Mark Brown <broonie@kernel.org>
#ifndef SME_INST_H
#define SME_INST_H
/*
* RDSVL X\nx, #\imm
*/
.macro rdsvl nx, imm
.inst 0x4bf5800 \
| (\imm << 5) \
| (\nx)
.endm
.macro smstop
msr S0_3_C4_C6_3, xzr
.endm
.macro smstart_za
msr S0_3_C4_C5_3, xzr
.endm
.macro smstart_sm
msr S0_3_C4_C3_3, xzr
.endm
/*
* LDR (vector to ZA array):
* LDR ZA[\nw, #\offset], [X\nxbase, #\offset, MUL VL]
*/
.macro _ldr_za nw, nxbase, offset=0
.inst 0xe1000000 \
| (((\nw) & 3) << 13) \
| ((\nxbase) << 5) \
| ((\offset) & 7)
.endm
/*
* STR (vector from ZA array):
* STR ZA[\nw, #\offset], [X\nxbase, #\offset, MUL VL]
*/
.macro _str_za nw, nxbase, offset=0
.inst 0xe1200000 \
| (((\nw) & 3) << 13) \
| ((\nxbase) << 5) \
| ((\offset) & 7)
.endm
/*
* LDR (ZT0)
*
* LDR ZT0, nx
*/
.macro _ldr_zt nx
.inst 0xe11f8000 \
| (((\nx) & 0x1f) << 5)
.endm
/*
* STR (ZT0)
*
* STR ZT0, nx
*/
.macro _str_zt nx
.inst 0xe13f8000 \
| (((\nx) & 0x1f) << 5)
.endm
#endif
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