[bootwrapper PATCH 0/2] aarch64: Prepare EL3 for MDSELR_EL1

Anshuman Khandual anshuman.khandual at arm.com
Tue Apr 16 20:25:15 PDT 2024


On 4/4/24 13:07, Anshuman Khandual wrote:
> MDSELR_EL1 register will be used to configure breakpoint and watchpoint
> register banks when FEAT_Debugv8p9 is enabled. This series prepares EL3
> for MDSELR_EL1 access traps into EL3, and into EL2 via new Fine Grained
> Traps Enable 2 (FEAT_FGT2) registers.
> 
> Anshuman Khandual (2):
>   aarch64: Disable trapping into EL3 while accessing MDSELR_EL1
>   aarch64: Disable trapping into EL3 while accessing FEAT_FGT2 registers
> 
>  arch/aarch64/include/asm/cpu.h | 3 +++
>  arch/aarch64/init.c            | 6 ++++++
>  2 files changed, 9 insertions(+)
> 

Hello Mark,

Gentle ping, any updates on this series ?



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