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>,
Florian Weimer <fweimer@redhat.com>,
Christian Brauner <brauner@kernel.org>,
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 v6 06/38] arm64/sysreg: Add new system registers for GCS
Date: Mon, 09 Oct 2023 13:08:40 +0100 [thread overview]
Message-ID: <20231009-arm64-gcs-v6-6-78e55deaa4dd@kernel.org> (raw)
In-Reply-To: <20231009-arm64-gcs-v6-0-78e55deaa4dd@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 76ce150e7347..6872bc2c26cd 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -1784,6 +1784,41 @@ 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
@@ -2014,6 +2049,10 @@ 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
@@ -2342,6 +2381,14 @@ 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
@@ -2401,6 +2448,14 @@ 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:[~2023-10-09 12:11 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-09 12:08 [PATCH v6 00/38] arm64/gcs: Provide support for GCS in userspace Mark Brown
2023-10-09 12:08 ` [PATCH v6 01/38] arm64/mm: Restructure arch_validate_flags() for extensibility Mark Brown
2023-10-09 12:08 ` [PATCH v6 02/38] prctl: arch-agnostic prctl for shadow stack Mark Brown
2023-10-09 12:08 ` [PATCH v6 03/38] mman: Add map_shadow_stack() flags Mark Brown
2023-10-09 12:08 ` [PATCH v6 04/38] arm64: Document boot requirements for Guarded Control Stacks Mark Brown
2023-10-09 12:08 ` [PATCH v6 05/38] arm64/gcs: Document the ABI " Mark Brown
2023-10-09 12:08 ` Mark Brown [this message]
2023-10-09 12:08 ` [PATCH v6 07/38] arm64/sysreg: Add definitions for architected GCS caps Mark Brown
2023-10-09 12:08 ` [PATCH v6 08/38] arm64/gcs: Add manual encodings of GCS instructions Mark Brown
2023-10-09 12:08 ` [PATCH v6 09/38] arm64/gcs: Provide copy_to_user_gcs() Mark Brown
2023-10-09 12:08 ` [PATCH v6 10/38] arm64/cpufeature: Runtime detection of Guarded Control Stack (GCS) Mark Brown
2023-10-09 12:08 ` [PATCH v6 11/38] arm64/mm: Allocate PIE slots for EL0 guarded control stack Mark Brown
2023-10-09 12:08 ` [PATCH v6 12/38] mm: Define VM_SHADOW_STACK for arm64 when we support GCS Mark Brown
2023-10-09 12:08 ` [PATCH v6 13/38] arm64/mm: Map pages for guarded control stack Mark Brown
2023-10-09 12:08 ` [PATCH v6 14/38] KVM: arm64: Manage GCS registers for guests Mark Brown
2023-10-09 12:08 ` [PATCH v6 15/38] arm64/gcs: Allow GCS usage at EL0 and EL1 Mark Brown
2023-10-09 12:08 ` [PATCH v6 16/38] arm64/idreg: Add overrride for GCS Mark Brown
2023-10-09 12:08 ` [PATCH v6 17/38] arm64/hwcap: Add hwcap " Mark Brown
2023-10-09 12:08 ` [PATCH v6 18/38] arm64/traps: Handle GCS exceptions Mark Brown
2023-10-09 12:08 ` [PATCH v6 19/38] arm64/mm: Handle GCS data aborts Mark Brown
2023-10-09 12:08 ` [PATCH v6 20/38] arm64/gcs: Context switch GCS state for EL0 Mark Brown
2023-10-09 12:08 ` [PATCH v6 21/38] arm64/gcs: Allocate a new GCS for threads with GCS enabled Mark Brown
2023-10-09 12:08 ` [PATCH v6 22/38] arm64/gcs: Implement shadow stack prctl() interface Mark Brown
2023-10-09 12:08 ` [PATCH v6 23/38] arm64/mm: Implement map_shadow_stack() Mark Brown
2023-10-09 12:08 ` [PATCH v6 24/38] arm64/signal: Set up and restore the GCS context for signal handlers Mark Brown
2023-10-09 12:08 ` [PATCH v6 25/38] arm64/signal: Expose GCS state in signal frames Mark Brown
2023-10-09 12:09 ` [PATCH v6 26/38] arm64/ptrace: Expose GCS via ptrace and core files Mark Brown
2023-10-09 12:09 ` [PATCH v6 27/38] arm64: Add Kconfig for Guarded Control Stack (GCS) Mark Brown
2023-10-09 12:09 ` [PATCH v6 28/38] kselftest/arm64: Verify the GCS hwcap Mark Brown
2023-10-09 12:09 ` [PATCH v6 29/38] kselftest/arm64: Add GCS as a detected feature in the signal tests Mark Brown
2023-10-09 12:09 ` [PATCH v6 30/38] kselftest/arm64: Add framework support for GCS to signal handling tests Mark Brown
2023-10-09 12:09 ` [PATCH v6 31/38] kselftest/arm64: Allow signals tests to specify an expected si_code Mark Brown
2023-10-09 12:09 ` [PATCH v6 32/38] kselftest/arm64: Always run signals tests with GCS enabled Mark Brown
2023-10-09 12:09 ` [PATCH v6 33/38] kselftest/arm64: Add very basic GCS test program Mark Brown
2023-10-09 12:09 ` [PATCH v6 34/38] kselftest/arm64: Add a GCS test program built with the system libc Mark Brown
2023-10-09 12:09 ` [PATCH v6 35/38] kselftest/arm64: Add test coverage for GCS mode locking Mark Brown
2023-10-09 12:09 ` [PATCH v6 36/38] selftests/arm64: Add GCS signal tests Mark Brown
2023-10-09 12:09 ` [PATCH v6 37/38] kselftest/arm64: Add a GCS stress test Mark Brown
2023-10-09 12:09 ` [PATCH v6 38/38] kselftest/arm64: Enable GCS for the FP stress tests Mark Brown
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20231009-arm64-gcs-v6-6-78e55deaa4dd@kernel.org \
--to=broonie@kernel.org \
--cc=Szabolcs.Nagy@arm.com \
--cc=akpm@linux-foundation.org \
--cc=aou@eecs.berkeley.edu \
--cc=ardb@kernel.org \
--cc=arnd@arndb.de \
--cc=brauner@kernel.org \
--cc=catalin.marinas@arm.com \
--cc=corbet@lwn.net \
--cc=debug@rivosinc.com \
--cc=ebiederm@xmission.com \
--cc=fweimer@redhat.com \
--cc=hjl.tools@gmail.com \
--cc=james.morse@arm.com \
--cc=keescook@chromium.org \
--cc=kvmarm@lists.linux.dev \
--cc=linux-arch@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-doc@vger.kernel.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-kselftest@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-riscv@lists.infradead.org \
--cc=maz@kernel.org \
--cc=oleg@redhat.com \
--cc=oliver.upton@linux.dev \
--cc=palmer@dabbelt.com \
--cc=paul.walmsley@sifive.com \
--cc=rick.p.edgecombe@intel.com \
--cc=shuah@kernel.org \
--cc=suzuki.poulose@arm.com \
--cc=will@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).