From: Joey Gouly <joey.gouly@arm.com>
To: <linux-arm-kernel@lists.infradead.org>
Cc: <nd@arm.com>, <broonie@kernel.org>, <catalin.marinas@arm.com>,
<james.morse@arm.com>, <joey.gouly@arm.com>,
<mark.rutland@arm.com>, <maz@kernel.org>,
<oliver.upton@linux.dev>, <suzuki.poulose@arm.com>,
<will@kernel.org>, <yuzenghui@huawei.com>
Subject: [PATCH v2 04/19] arm64/sysreg: add PIR*_ELx registers
Date: Thu, 13 Apr 2023 12:04:58 +0100 [thread overview]
Message-ID: <20230413110513.243326-5-joey.gouly@arm.com> (raw)
In-Reply-To: <20230413110513.243326-1-joey.gouly@arm.com>
Add definitions of PIR_EL1, PIR_EL12, PIRE0_EL1, PIRE0_EL12, and
PIR_EL2 registers.
Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mark Brown <broonie@kernel.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
---
arch/arm64/include/asm/sysreg.h | 19 ++++++++++++++++
arch/arm64/tools/sysreg | 39 +++++++++++++++++++++++++++++++++
2 files changed, 58 insertions(+)
diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index e5ca9ece1606..2b317a24734c 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -756,6 +756,25 @@
#define ICH_VTR_TDS_SHIFT 19
#define ICH_VTR_TDS_MASK (1 << ICH_VTR_TDS_SHIFT)
+/*
+ * Permission Indirection Extension (PIE) permission encodings.
+ * Encodings with the _O suffix, have overlays applied (Permission Overlay Extension).
+ */
+#define PIE_NONE_O 0x0
+#define PIE_R_O 0x1
+#define PIE_X_O 0x2
+#define PIE_RX_O 0x3
+#define PIE_RW_O 0x5
+#define PIE_RWnX_O 0x6
+#define PIE_RWX_O 0x7
+#define PIE_R 0x8
+#define PIE_GCS 0x9
+#define PIE_RX 0xa
+#define PIE_RW 0xc
+#define PIE_RWX 0xe
+
+#define PIRx_ELx_PERM(idx, perm) ((perm) << ((idx) * 4))
+
#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 6e8aa9070513..dd2b333334a1 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -2202,6 +2202,45 @@ Field 1 PIE
Field 0 PnCH
EndSysreg
+SysregFields PIRx_ELx
+Field 63:60 Perm15
+Field 59:56 Perm14
+Field 55:52 Perm13
+Field 51:48 Perm12
+Field 47:44 Perm11
+Field 43:40 Perm10
+Field 39:36 Perm9
+Field 35:32 Perm8
+Field 31:28 Perm7
+Field 27:24 Perm6
+Field 23:20 Perm5
+Field 19:16 Perm4
+Field 15:12 Perm3
+Field 11:8 Perm2
+Field 7:4 Perm1
+Field 3:0 Perm0
+EndSysregFields
+
+Sysreg PIRE0_EL1 3 0 10 2 2
+Fields PIRx_ELx
+EndSysreg
+
+Sysreg PIRE0_EL12 3 5 10 2 2
+Fields PIRx_ELx
+EndSysreg
+
+Sysreg PIR_EL1 3 0 10 2 3
+Fields PIRx_ELx
+EndSysreg
+
+Sysreg PIR_EL12 3 5 10 2 3
+Fields PIRx_ELx
+EndSysreg
+
+Sysreg PIR_EL2 3 4 10 2 3
+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
next prev parent reply other threads:[~2023-04-13 11:06 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-13 11:04 [PATCH v2 00/19] Permission Indirection Extension Joey Gouly
2023-04-13 11:04 ` [PATCH v2 01/19] arm64/sysreg: Add ID register ID_AA64MMFR3 Joey Gouly
2023-04-13 11:14 ` Mark Brown
2023-04-13 11:25 ` Joey Gouly
2023-04-13 16:13 ` Catalin Marinas
2023-04-13 11:04 ` [PATCH v2 02/19] arm64/sysreg: add system registers TCR2_ELx Joey Gouly
2023-04-13 16:14 ` Catalin Marinas
2023-04-13 11:04 ` [PATCH v2 03/19] arm64/sysreg: update HCRX_EL2 register Joey Gouly
2023-04-13 11:20 ` Mark Brown
2023-04-13 16:14 ` Catalin Marinas
2023-04-13 11:04 ` Joey Gouly [this message]
2023-04-13 16:15 ` [PATCH v2 04/19] arm64/sysreg: add PIR*_ELx registers Catalin Marinas
2023-04-13 11:04 ` [PATCH v2 05/19] arm64: cpufeature: add system register ID_AA64MMFR3 Joey Gouly
2023-04-13 11:05 ` [PATCH v2 06/19] arm64: cpufeature: add TCR2 cpucap Joey Gouly
2023-04-13 11:25 ` Mark Brown
2023-04-13 11:05 ` [PATCH v2 07/19] arm64: cpufeature: add Permission Indirection Extension cpucap Joey Gouly
2023-04-13 11:30 ` Mark Brown
2023-04-13 11:05 ` [PATCH v2 08/19] KVM: arm64: Save/restore TCR2_EL1 Joey Gouly
2023-04-20 9:13 ` Marc Zyngier
2023-04-20 14:11 ` Joey Gouly
2023-04-13 11:05 ` [PATCH v2 09/19] KVM: arm64: Save/restore PIE registers Joey Gouly
2023-04-20 8:36 ` Marc Zyngier
2023-04-13 11:05 ` [PATCH v2 10/19] KVM: arm64: expose ID_AA64MMFR3_EL1 to guests Joey Gouly
2023-04-13 16:15 ` Catalin Marinas
2023-04-13 11:05 ` [PATCH v2 11/19] arm64: add PTE_UXN/PTE_WRITE to SWAPPER_*_FLAGS Joey Gouly
2023-04-13 16:35 ` Catalin Marinas
2023-04-20 15:29 ` Joey Gouly
2023-04-21 7:52 ` Catalin Marinas
2023-04-13 11:05 ` [PATCH v2 12/19] arm64: add PTE_WRITE to PROT_SECT_NORMAL Joey Gouly
2023-04-13 11:05 ` [PATCH v2 13/19] arm64: reorganise PAGE_/PROT_ macros Joey Gouly
2023-04-13 11:05 ` [PATCH v2 14/19] arm64: disable EL2 traps for PIE Joey Gouly
2023-04-13 16:42 ` Catalin Marinas
2023-04-13 11:05 ` [PATCH v2 15/19] arm64: add encodings of PIRx_ELx registers Joey Gouly
2023-04-18 14:02 ` Mark Brown
2023-04-13 11:05 ` [PATCH v2 16/19] arm64: enable Permission Indirection Extension (PIE) Joey Gouly
2023-04-13 11:05 ` [PATCH v2 17/19] arm64: transfer permission indirection settings to EL2 Joey Gouly
2023-04-13 11:05 ` [PATCH v2 18/19] arm64: Document boot requirements for PIE Joey Gouly
2023-04-13 11:45 ` Mark Brown
2023-04-13 16:45 ` Catalin Marinas
2023-04-13 11:05 ` [PATCH v2 19/19] KVM: selftests: get-reg-list: add Permission Indirection registers Joey Gouly
2023-04-13 16:43 ` Catalin Marinas
2023-04-13 18:04 ` 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=20230413110513.243326-5-joey.gouly@arm.com \
--to=joey.gouly@arm.com \
--cc=broonie@kernel.org \
--cc=catalin.marinas@arm.com \
--cc=james.morse@arm.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=mark.rutland@arm.com \
--cc=maz@kernel.org \
--cc=nd@arm.com \
--cc=oliver.upton@linux.dev \
--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 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).