From: Mark Brown <broonie@kernel.org>
To: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Jonathan Corbet <corbet@lwn.net>,
Andrew Morton <akpm@linux-foundation.org>,
Marc Zyngier <maz@kernel.org>,
Oliver Upton <oliver.upton@linux.dev>,
James Morse <james.morse@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Arnd Bergmann <arnd@arndb.de>, Oleg Nesterov <oleg@redhat.com>,
Eric Biederman <ebiederm@xmission.com>,
Kees Cook <keescook@chromium.org>, Shuah Khan <shuah@kernel.org>,
"Rick P. Edgecombe" <rick.p.edgecombe@intel.com>,
Deepak Gupta <debug@rivosinc.com>,
Ard Biesheuvel <ardb@kernel.org>,
Szabolcs Nagy <Szabolcs.Nagy@arm.com>
Cc: "H.J. Lu" <hjl.tools@gmail.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org,
kvmarm@lists.linux.dev, linux-fsdevel@vger.kernel.org,
linux-arch@vger.kernel.org, linux-mm@kvack.org,
linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-riscv@lists.infradead.org, Mark Brown <broonie@kernel.org>
Subject: [PATCH v5 05/37] arm64/sysreg: Add new system registers for GCS
Date: Tue, 22 Aug 2023 14:56:38 +0100 [thread overview]
Message-ID: <20230822-arm64-gcs-v5-5-9ef181dd6324@kernel.org> (raw)
In-Reply-To: <20230822-arm64-gcs-v5-0-9ef181dd6324@kernel.org>
FEAT_GCS introduces a number of new system registers. Add the registers
available up to EL2 to sysreg as per DDI0601 2022-12.
Signed-off-by: Mark Brown <broonie@kernel.org>
---
arch/arm64/tools/sysreg | 55 +++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 55 insertions(+)
diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index 65866bf819c3..20c12e65a304 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -1780,6 +1780,41 @@ Sysreg SMCR_EL1 3 0 1 2 6
Fields SMCR_ELx
EndSysreg
+SysregFields GCSCR_ELx
+Res0 63:10
+Field 9 STREn
+Field 8 PUSHMEn
+Res0 7
+Field 6 EXLOCKEN
+Field 5 RVCHKEN
+Res0 4:1
+Field 0 PCRSEL
+EndSysregFields
+
+Sysreg GCSCR_EL1 3 0 2 5 0
+Fields GCSCR_ELx
+EndSysreg
+
+SysregFields GCSPR_ELx
+Field 63:3 PTR
+Res0 2:0
+EndSysregFields
+
+Sysreg GCSPR_EL1 3 0 2 5 1
+Fields GCSPR_ELx
+EndSysreg
+
+Sysreg GCSCRE0_EL1 3 0 2 5 2
+Res0 63:11
+Field 10 nTR
+Field 9 STREn
+Field 8 PUSHMEn
+Res0 7:6
+Field 5 RVCHKEN
+Res0 4:1
+Field 0 PCRSEL
+EndSysreg
+
Sysreg ALLINT 3 0 4 3 0
Res0 63:14
Field 13 ALLINT
@@ -2010,6 +2045,10 @@ Field 4 DZP
Field 3:0 BS
EndSysreg
+Sysreg GCSPR_EL0 3 3 2 5 1
+Fields GCSPR_ELx
+EndSysreg
+
Sysreg SVCR 3 3 4 2 2
Res0 63:2
Field 1 ZA
@@ -2209,6 +2248,14 @@ Sysreg SMCR_EL2 3 4 1 2 6
Fields SMCR_ELx
EndSysreg
+Sysreg GCSCR_EL2 3 4 2 5 0
+Fields GCSCR_ELx
+EndSysreg
+
+Sysreg GCSPR_EL2 3 4 2 5 1
+Fields GCSPR_ELx
+EndSysreg
+
Sysreg DACR32_EL2 3 4 3 0 0
Res0 63:32
Field 31:30 D15
@@ -2268,6 +2315,14 @@ Sysreg SMCR_EL12 3 5 1 2 6
Fields SMCR_ELx
EndSysreg
+Sysreg GCSCR_EL12 3 5 2 5 0
+Fields GCSCR_ELx
+EndSysreg
+
+Sysreg GCSPR_EL12 3 5 2 5 1
+Fields GCSPR_ELx
+EndSysreg
+
Sysreg FAR_EL12 3 5 6 0 0
Field 63:0 ADDR
EndSysreg
--
2.30.2
next prev parent reply other threads:[~2023-08-22 14:03 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-22 13:56 [PATCH v5 00/37] arm64/gcs: Provide support for GCS in userspace Mark Brown
2023-08-22 13:56 ` [PATCH v5 01/37] arm64/mm: Restructure arch_validate_flags() for extensibility Mark Brown
2023-08-22 13:56 ` [PATCH v5 02/37] prctl: arch-agnostic prctl for shadow stack Mark Brown
2023-08-22 13:56 ` [PATCH v5 03/37] arm64: Document boot requirements for Guarded Control Stacks Mark Brown
2023-08-22 13:56 ` [PATCH v5 04/37] arm64/gcs: Document the ABI " Mark Brown
2023-08-22 15:05 ` Szabolcs Nagy
2023-08-22 13:56 ` Mark Brown [this message]
2023-08-22 13:56 ` [PATCH v5 06/37] arm64/sysreg: Add definitions for architected GCS caps Mark Brown
2023-08-22 13:56 ` [PATCH v5 07/37] arm64/gcs: Add manual encodings of GCS instructions Mark Brown
2023-08-22 13:56 ` [PATCH v5 08/37] arm64/gcs: Provide copy_to_user_gcs() Mark Brown
2023-08-22 13:56 ` [PATCH v5 09/37] arm64/cpufeature: Runtime detection of Guarded Control Stack (GCS) Mark Brown
2023-08-22 13:56 ` [PATCH v5 10/37] arm64/mm: Allocate PIE slots for EL0 guarded control stack Mark Brown
2023-08-22 13:56 ` [PATCH v5 11/37] mm: Define VM_SHADOW_STACK for arm64 when we support GCS Mark Brown
2023-08-22 15:21 ` David Hildenbrand
2023-08-22 15:41 ` Mark Brown
2023-08-22 16:47 ` Edgecombe, Rick P
2023-08-22 17:55 ` Mark Brown
2023-08-22 13:56 ` [PATCH v5 12/37] arm64/mm: Map pages for guarded control stack Mark Brown
2023-08-22 13:56 ` [PATCH v5 13/37] KVM: arm64: Manage GCS registers for guests Mark Brown
2023-08-22 13:56 ` [PATCH v5 14/37] arm64/gcs: Allow GCS usage at EL0 and EL1 Mark Brown
2023-08-22 13:56 ` [PATCH v5 15/37] arm64/idreg: Add overrride for GCS Mark Brown
2023-08-22 13:56 ` [PATCH v5 16/37] arm64/hwcap: Add hwcap " Mark Brown
2023-08-22 13:56 ` [PATCH v5 17/37] arm64/traps: Handle GCS exceptions Mark Brown
2023-08-22 13:56 ` [PATCH v5 18/37] arm64/mm: Handle GCS data aborts Mark Brown
2023-08-22 13:56 ` [PATCH v5 19/37] arm64/gcs: Context switch GCS state for EL0 Mark Brown
2023-08-22 13:56 ` [PATCH v5 20/37] arm64/gcs: Allocate a new GCS for threads with GCS enabled Mark Brown
2023-08-22 13:56 ` [PATCH v5 21/37] arm64/gcs: Implement shadow stack prctl() interface Mark Brown
2023-08-22 13:56 ` [PATCH v5 22/37] arm64/mm: Implement map_shadow_stack() Mark Brown
2023-08-22 13:56 ` [PATCH v5 23/37] arm64/signal: Set up and restore the GCS context for signal handlers Mark Brown
2023-08-22 13:56 ` [PATCH v5 24/37] arm64/signal: Expose GCS state in signal frames Mark Brown
2023-08-22 13:56 ` [PATCH v5 25/37] arm64/ptrace: Expose GCS via ptrace and core files Mark Brown
2023-08-22 13:56 ` [PATCH v5 26/37] arm64: Add Kconfig for Guarded Control Stack (GCS) Mark Brown
2023-08-22 13:57 ` [PATCH v5 27/37] kselftest/arm64: Verify the GCS hwcap Mark Brown
2023-08-22 13:57 ` [PATCH v5 28/37] kselftest/arm64: Add GCS as a detected feature in the signal tests Mark Brown
2023-08-22 13:57 ` [PATCH v5 29/37] kselftest/arm64: Add framework support for GCS to signal handling tests Mark Brown
2023-08-22 13:57 ` [PATCH v5 30/37] kselftest/arm64: Allow signals tests to specify an expected si_code Mark Brown
2023-08-22 13:57 ` [PATCH v5 31/37] kselftest/arm64: Always run signals tests with GCS enabled Mark Brown
2023-08-22 13:57 ` [PATCH v5 32/37] kselftest/arm64: Add very basic GCS test program Mark Brown
2023-08-22 13:57 ` [PATCH v5 33/37] kselftest/arm64: Add a GCS test program built with the system libc Mark Brown
2023-08-22 13:57 ` [PATCH v5 34/37] kselftest/arm64: Add test coverage for GCS mode locking Mark Brown
2023-08-22 13:57 ` [PATCH v5 35/37] selftests/arm64: Add GCS signal tests Mark Brown
2023-08-22 13:57 ` [PATCH v5 36/37] kselftest/arm64: Add a GCS stress test Mark Brown
2023-08-22 13:57 ` [PATCH v5 37/37] kselftest/arm64: Enable GCS for the FP stress tests Mark Brown
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