All of lore.kernel.org
 help / color / mirror / Atom feed
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


WARNING: multiple messages have this Message-ID (diff)
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


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2023-10-27 18:09 UTC|newest]

Thread overview: 56+ 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
2023-10-27 18:08 ` Joey Gouly [this message]
2023-10-27 18:08   ` [PATCH v2 01/24] arm64/sysreg: add system register POR_EL{0,1} Joey Gouly
2023-10-27 18:08 ` [PATCH v2 02/24] arm64/sysreg: update CPACR_EL1 register Joey Gouly
2023-10-27 18:08   ` 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   ` 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   ` Joey Gouly
2023-10-27 18:08 ` [PATCH v2 05/24] arm64: context switch POR_EL0 register Joey Gouly
2023-10-27 18:08   ` Joey Gouly
2023-10-27 18:08 ` [PATCH v2 06/24] KVM: arm64: Save/restore POE registers Joey Gouly
2023-10-27 18:08   ` 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   ` Joey Gouly
2023-10-27 18:08 ` [PATCH v2 08/24] arm64: add POIndex defines Joey Gouly
2023-10-27 18:08   ` 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   ` 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   ` 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   ` Joey Gouly
2023-10-27 18:08 ` [PATCH v2 12/24] arm64: handle PKEY/POE faults Joey Gouly
2023-10-27 18:08   ` 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   ` Joey Gouly
2023-10-27 18:08 ` [PATCH v2 14/24] arm64: implement PKEYS support Joey Gouly
2023-10-27 18:08   ` Joey Gouly
2023-10-27 18:08 ` [PATCH v2 15/24] arm64: add POE signal support Joey Gouly
2023-10-27 18:08   ` Joey Gouly
2023-10-30 19:10   ` Mark Brown
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   ` 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   ` Joey Gouly
2023-10-27 18:08 ` [PATCH v2 18/24] kselftest/arm64: move get_header() Joey Gouly
2023-10-27 18:08   ` Joey Gouly
2023-10-27 18:08 ` [PATCH v2 19/24] selftests: mm: move fpregs printing Joey Gouly
2023-10-27 18:08   ` 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   ` Joey Gouly
2023-10-27 18:08 ` [PATCH v2 21/24] kselftest/arm64: add HWCAP test for FEAT_S1POE Joey Gouly
2023-10-27 18:08   ` Joey Gouly
2023-10-30 19:18   ` Mark Brown
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
2023-10-27 18:08   ` Joey Gouly
2023-10-30 19:19   ` Mark Brown
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   ` Joey Gouly
2023-10-27 18:08 ` [PATCH v2 24/24] KVM: selftests: get-reg-list: add Permission Overlay registers Joey Gouly
2023-10-27 18:08   ` Joey Gouly

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=20231027180850.1068089-2-joey.gouly@arm.com \
    --to=joey.gouly@arm.com \
    --cc=akpm@linux-foundation.org \
    --cc=aneesh.kumar@linux.ibm.com \
    --cc=broonie@kernel.org \
    --cc=catalin.marinas@arm.com \
    --cc=dave.hansen@linux.intel.com \
    --cc=james.morse@arm.com \
    --cc=kvmarm@lists.linux.dev \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-kselftest@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=maz@kernel.org \
    --cc=oliver.upton@linux.dev \
    --cc=shuah@kernel.org \
    --cc=suzuki.poulose@arm.com \
    --cc=will@kernel.org \
    --cc=yuzenghui@huawei.com \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.