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From: Anshuman Khandual <anshuman.khandual@arm.com>
To: linux-arm-kernel@lists.infradead.org
Cc: mark.rutland@arm.com, Anshuman Khandual <anshuman.khandual@arm.com>
Subject: [boot-wrapper 0/3] aarch64: Enable access for FEAT_D128 registers in EL1/EL2
Date: Tue, 23 Jul 2024 16:36:27 +0530	[thread overview]
Message-ID: <20240723110630.483871-1-anshuman.khandual@arm.com> (raw)

This series enables access for FEAT_D128 relevant registers in EL1/EL2 via
setting respective bits in SCR_EL3, when their corresponding features are
detected.

--------------------------------------------------------------
| FEAT_D128   | ID_AA64MMFR3_EL1_D128   |  SCR_EL3_D128En    |
| FEAT_SCTLR2 | ID_AA64MMFR3_EL1_SCTLRX |  SCR_EL3_SCTLR2En  |
| FEAT_THE    | ID_AA64PFR1_EL1_THE     |  SCR_EL3_RCWMASKEn |
--------------------------------------------------------------

Anshuman Khandual (3):
  aarch64: Enable access into 128 bit system registers from EL2 and below
  aarch64: Enable access into SCTLR2_ELx registers from EL2 and below
  aarch64: Enable access into RCW[S]MASK_EL1 registers from EL2 and below

 arch/aarch64/include/asm/cpu.h | 8 +++++++-
 arch/aarch64/init.c            | 9 +++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

-- 
2.25.1



             reply	other threads:[~2024-07-23 11:07 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-07-23 11:06 Anshuman Khandual [this message]
2024-07-23 11:06 ` [boot-wrapper 1/3] aarch64: Enable access into 128 bit system registers from EL2 and below Anshuman Khandual
2024-07-25  8:44   ` Mark Rutland
2024-07-26  7:12     ` Anshuman Khandual
2024-07-23 11:06 ` [boot-wrapper 2/3] aarch64: Enable access into SCTLR2_ELx " Anshuman Khandual
2024-07-25  8:40   ` Mark Rutland
2024-07-26  6:55     ` Anshuman Khandual
2024-07-26  8:45       ` Mark Rutland
2024-07-23 11:06 ` [boot-wrapper 3/3] aarch64: Enable access into RCW[S]MASK_EL1 " Anshuman Khandual
2024-07-25  8:51   ` Mark Rutland
2024-07-26  8:31     ` Anshuman Khandual

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