From: Joey Gouly <joey.gouly@arm.com>
To: linux-arm-kernel@lists.infradead.org
Cc: akpm@linux-foundation.org, aneesh.kumar@linux.ibm.com,
broonie@kernel.org, catalin.marinas@arm.com,
dave.hansen@linux.intel.com, joey.gouly@arm.com, maz@kernel.org,
oliver.upton@linux.dev, shuah@kernel.org, will@kernel.org,
kvmarm@lists.linux.dev, linux-fsdevel@vger.kernel.org,
linux-mm@kvack.org, linux-kselftest@vger.kernel.org,
James Morse <james.morse@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Zenghui Yu <yuzenghui@huawei.com>
Subject: [PATCH v2 01/24] arm64/sysreg: add system register POR_EL{0,1}
Date: Fri, 27 Oct 2023 19:08:27 +0100 [thread overview]
Message-ID: <20231027180850.1068089-2-joey.gouly@arm.com> (raw)
In-Reply-To: <20231027180850.1068089-1-joey.gouly@arm.com>
Add POR_EL{0,1} according to DDI0601 2023-03.
Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
---
arch/arm64/include/asm/sysreg.h | 13 +++++++++++++
arch/arm64/tools/sysreg | 12 ++++++++++++
2 files changed, 25 insertions(+)
diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index 38296579a4fd..cc2d61fd45c3 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -994,6 +994,19 @@
#define PIRx_ELx_PERM(idx, perm) ((perm) << ((idx) * 4))
+/*
+ * Permission Overlay Extension (POE) permission encodings.
+ */
+#define POE_NONE UL(0x0)
+#define POE_R UL(0x1)
+#define POE_X UL(0x2)
+#define POE_RX UL(0x3)
+#define POE_W UL(0x4)
+#define POE_RW UL(0x5)
+#define POE_XW UL(0x6)
+#define POE_RXW UL(0x7)
+#define POE_MASK UL(0xf)
+
#define ARM64_FEATURE_FIELD_BITS 4
/* Defined for compatibility only, do not add new users. */
diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index 76ce150e7347..dd91d0639bab 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -2504,6 +2504,18 @@ Sysreg PIR_EL2 3 4 10 2 3
Fields PIRx_ELx
EndSysreg
+Sysreg POR_EL0 3 3 10 2 4
+Fields PIRx_ELx
+EndSysreg
+
+Sysreg POR_EL1 3 0 10 2 4
+Fields PIRx_ELx
+EndSysreg
+
+Sysreg POR_EL12 3 5 10 2 4
+Fields PIRx_ELx
+EndSysreg
+
Sysreg LORSA_EL1 3 0 10 4 0
Res0 63:52
Field 51:16 SA
--
2.25.1
next prev parent reply other threads:[~2023-10-27 18:09 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-27 18:08 [PATCH v2 00/20] Permission Overlay Extension Joey Gouly
2023-10-27 18:08 ` Joey Gouly [this message]
2023-10-27 18:08 ` [PATCH v2 02/24] arm64/sysreg: update CPACR_EL1 register Joey Gouly
2023-10-27 18:08 ` [PATCH v2 03/24] arm64: cpufeature: add Permission Overlay Extension cpucap Joey Gouly
2023-10-27 18:08 ` [PATCH v2 04/24] arm64: disable trapping of POR_EL0 to EL2 Joey Gouly
2023-10-27 18:08 ` [PATCH v2 05/24] arm64: context switch POR_EL0 register Joey Gouly
2023-10-27 18:08 ` [PATCH v2 06/24] KVM: arm64: Save/restore POE registers Joey Gouly
2023-10-27 18:08 ` [PATCH v2 07/24] arm64: enable the Permission Overlay Extension for EL0 Joey Gouly
2023-10-27 18:08 ` [PATCH v2 08/24] arm64: add POIndex defines Joey Gouly
2023-10-27 18:08 ` [PATCH v2 09/24] arm64: define VM_PKEY_BIT* for arm64 Joey Gouly
2023-10-27 18:08 ` [PATCH v2 10/24] arm64: mask out POIndex when modifying a PTE Joey Gouly
2023-10-27 18:08 ` [PATCH v2 11/24] arm64: enable ARCH_HAS_PKEYS on arm64 Joey Gouly
2023-10-27 18:08 ` [PATCH v2 12/24] arm64: handle PKEY/POE faults Joey Gouly
2023-10-27 18:08 ` [PATCH v2 13/24] arm64: stop using generic mm_hooks.h Joey Gouly
2023-10-27 18:08 ` [PATCH v2 14/24] arm64: implement PKEYS support Joey Gouly
2023-10-27 18:08 ` [PATCH v2 15/24] arm64: add POE signal support Joey Gouly
2023-10-30 19:10 ` Mark Brown
2023-10-27 18:08 ` [PATCH v2 16/24] arm64: enable PKEY support for CPUs with S1POE Joey Gouly
2023-10-27 18:08 ` [PATCH v2 17/24] arm64: enable POE and PIE to coexist Joey Gouly
2023-10-27 18:08 ` [PATCH v2 18/24] kselftest/arm64: move get_header() Joey Gouly
2023-10-27 18:08 ` [PATCH v2 19/24] selftests: mm: move fpregs printing Joey Gouly
2023-10-27 18:08 ` [PATCH v2 20/24] selftests: mm: make protection_keys test work on arm64 Joey Gouly
2023-10-27 18:08 ` [PATCH v2 21/24] kselftest/arm64: add HWCAP test for FEAT_S1POE Joey Gouly
2023-10-30 19:18 ` Mark Brown
2023-10-27 18:08 ` [PATCH v2 22/24] kselftest/arm64: parse POE_MAGIC in a signal frame Joey Gouly
2023-10-30 19:19 ` Mark Brown
2023-10-27 18:08 ` [PATCH v2 23/24] kselftest/arm64: Add test case for POR_EL0 signal frame records Joey Gouly
2023-10-27 18:08 ` [PATCH v2 24/24] KVM: selftests: get-reg-list: add Permission Overlay registers Joey Gouly
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