From 2cdeecdb95134cc0abc76626a59c94073cda8a47 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Mon, 16 Jan 2023 16:04:41 +0000 Subject: arm64/sme: Manually encode ZT0 load and store instructions In order to avoid unrealistic toolchain requirements we manually encode the instructions for loading and storing ZT0. Signed-off-by: Mark Brown Link: https://lore.kernel.org/r/20221208-arm64-sme2-v4-6-f2fa0aef982f@kernel.org Signed-off-by: Catalin Marinas --- arch/arm64/include/asm/fpsimdmacros.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'arch/arm64/include/asm/fpsimdmacros.h') 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 -- cgit v1.2.3