[v2,05/21] arm64/esr: Document ISS for ZT0 being disabled

Message ID	20221101143336.254445-6-broonie@kernel.org (mailing list archive)
State	Accepted
Commit	8ef55603b8eaf9362464b3197eb139baa4bd18b9
Headers	show Return-Path: <linux-kselftest-owner@kernel.org> From: Mark Brown <broonie@kernel.org> To: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, Shuah Khan <skhan@linuxfoundation.org>, Shuah Khan <shuah@kernel.org> Cc: Alan Hayward <alan.hayward@arm.com>, Luis Machado <luis.machado@arm.com>, Szabolcs Nagy <szabolcs.nagy@arm.com>, linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org, Mark Brown <broonie@kernel.org> Subject: [PATCH v2 05/21] arm64/esr: Document ISS for ZT0 being disabled Date: Tue, 1 Nov 2022 14:33:20 +0000 Message-Id: <20221101143336.254445-6-broonie@kernel.org> In-Reply-To: <20221101143336.254445-1-broonie@kernel.org> References: <20221101143336.254445-1-broonie@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	arm64/sme: Support SME 2 and SME 2.1 \| expand [v2,00/21] arm64/sme: Support SME 2 and SME 2.1 [v2,01/21] arm64/sme: Rename za_state to sme_state [v2,02/21] arm64: Document boot requirements for SME 2 [v2,03/21] arm64/sysreg: Update system registers for SME 2 and 2.1 [v2,04/21] arm64/sme: Document SME 2 and SME 2.1 ABI [v2,05/21] arm64/esr: Document ISS for ZT0 being disabled [v2,06/21] arm64/sme: Manually encode ZT0 load and store instructions [v2,07/21] arm64/sme: Enable host kernel to access ZT0 [v2,08/21] arm64/sme: Add basic enumeration for SME2 [v2,09/21] arm64/sme: Provide storage for ZT0 [v2,10/21] arm64/sme: Implement context switching for ZT0 [v2,11/21] arm64/sme: Implement signal handling for ZT [v2,12/21] arm64/sme: Implement ZT0 ptrace support [v2,13/21] arm64/sme: Add hwcaps for SME 2 and 2.1 features [v2,14/21] kselftest/arm64: Add a stress test program for ZT0 [v2,15/21] kselftest/arm64: Cover ZT in the FP stress test [v2,16/21] kselftest/arm64: Enumerate SME2 in the signal test utility code [v2,17/21] kselftest/arm64: Teach the generic signal context validation about ZT [v2,18/21] kselftest/arm64: Add test coverage for ZT register signal frames [v2,19/21] kselftest/arm64: Add SME2 coverage to syscall-abi [v2,20/21] kselftest/arm64: Add coverage of the ZT ptrace regset [v2,21/21] kselftest/arm64: Add coverage of SME 2 and 2.1 hwcaps

Message ID

20221101143336.254445-6-broonie@kernel.org (mailing list archive)

State

Accepted

Commit

8ef55603b8eaf9362464b3197eb139baa4bd18b9

Headers

From: Mark Brown <broonie@kernel.org>
To: Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>,
        Shuah Khan <skhan@linuxfoundation.org>,
        Shuah Khan <shuah@kernel.org>
Cc: Alan Hayward <alan.hayward@arm.com>,
        Luis Machado <luis.machado@arm.com>,
        Szabolcs Nagy <szabolcs.nagy@arm.com>,
        linux-arm-kernel@lists.infradead.org,
        linux-kselftest@vger.kernel.org, Mark Brown <broonie@kernel.org>
Subject: [PATCH v2 05/21] arm64/esr: Document ISS for ZT0 being disabled
Date: Tue,  1 Nov 2022 14:33:20 +0000
Message-Id: <20221101143336.254445-6-broonie@kernel.org>
In-Reply-To: <20221101143336.254445-1-broonie@kernel.org>
References: <20221101143336.254445-1-broonie@kernel.org>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

Series

arm64/sme: Support SME 2 and SME 2.1 | expand

Commit Message

Mark Brown Nov. 1, 2022, 2:33 p.m. UTC

SME2 defines a new ISS code for use when trapping acesses to ZT0, add a
definition for it.

Signed-off-by: Mark Brown <broonie@kernel.org>
---
 arch/arm64/include/asm/esr.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/include/asm/esr.h b/arch/arm64/include/asm/esr.h
index 15b34fbfca66..5f3271e9d5df 100644
--- a/arch/arm64/include/asm/esr.h
+++ b/arch/arm64/include/asm/esr.h
@@ -341,6 +341,7 @@ 
 #define ESR_ELx_SME_ISS_ILL		1
 #define ESR_ELx_SME_ISS_SM_DISABLED	2
 #define ESR_ELx_SME_ISS_ZA_DISABLED	3
+#define ESR_ELx_SME_ISS_ZT_DISABLED	4
 
 #ifndef __ASSEMBLY__
 #include <asm/types.h>

[v2,05/21] arm64/esr: Document ISS for ZT0 being disabled

Commit Message

Patch