mbox series

[boot-wrapper,0/3] aarch64: Enable access for FEAT_D128 registers in EL1/EL2

Message ID 20240723110630.483871-1-anshuman.khandual@arm.com (mailing list archive)
Headers show
Series aarch64: Enable access for FEAT_D128 registers in EL1/EL2 | expand

Message

Anshuman Khandual July 23, 2024, 11:06 a.m. UTC 
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(-)