| Message ID | 20221208-arm64-sme2-v4-6-f2fa0aef982f@kernel.org (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 2cdeecdb95134cc0abc76626a59c94073cda8a47 |
| Headers | show
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From: Mark Brown <broonie@kernel.org>
Date: Mon, 16 Jan 2023 16:04:41 +0000
Subject: [PATCH v4 06/21] arm64/sme: Manually encode ZT0 load and store
instructions
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|
| Series |
arm64/sme: Support SME 2 and SME 2.1
|
expand
|
diff --git a/arch/arm64/include/asm/fpsimdmacros.h b/arch/arm64/include/asm/fpsimdmacros.h index 5e0910cf4832..cd03819a3b68 100644 --- a/arch/arm64/include/asm/fpsimdmacros.h +++ b/arch/arm64/include/asm/fpsimdmacros.h @@ -220,6 +220,28 @@ | ((\offset) & 7) .endm +/* + * LDR (ZT0) + * + * LDR ZT0, nx + */ +.macro _ldr_zt nx + _check_general_reg \nx + .inst 0xe11f8000 \ + | (\nx << 5) +.endm + +/* + * STR (ZT0) + * + * STR ZT0, nx + */ +.macro _str_zt nx + _check_general_reg \nx + .inst 0xe13f8000 \ + | (\nx << 5) +.endm + /* * Zero the entire ZA array * ZERO ZA
In order to avoid unrealistic toolchain requirements we manually encode the instructions for loading and storing ZT0. Signed-off-by: Mark Brown <broonie@kernel.org> --- arch/arm64/include/asm/fpsimdmacros.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+)