[boot-wrapper PATCH 0/4] Enable new Arm architecture features
Andre Przywara
andre.przywara at arm.com
Wed Oct 22 03:24:59 PDT 2025
Some new Arm architecture features introduce new system registers,
access to which is guarded by SCR_EL3 bits. Since the boot-wrapper has
no interest in trapping those accesses or deny them, just unconditionally
enable them during initialisation.
Please have a look!
Cheers,
Andre
Andre Przywara (4):
aarch64: do not trap MPAM register accesses
aarch64: enable access to FEAT_AIE and FEAT_PFAR features
aarch64: enable access to HACDBS and HDBSS system registers
aarch64: enable access to FEAT_RASv1p1 system registers
arch/aarch64/include/asm/cpu.h | 15 +++++++++++++++
arch/aarch64/init.c | 18 ++++++++++++++++++
2 files changed, 33 insertions(+)
--
2.25.1
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