From a3cae504019bad10f8e5fc6fd661ef12848c9cbe Mon Sep 17 00:00:00 2001 From: Giacomo Travaglini Date: Wed, 17 May 2023 15:34:50 +0100 Subject: [PATCH] arch-arm: Enable FEAT_PAuth in SE mode It was in theory already possible to use FEAT_PAuth instructions in SE mode, however its presence was hidden to userspace code as the cpu feature was not listed in the auxiliary vectors Change-Id: I6da5da0878dde56c22ffdba25eff15e36f5022fe Signed-off-by: Giacomo Travaglini Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/70759 Reviewed-by: Richard Cooper Maintainer: Jason Lowe-Power Tested-by: kokoro --- src/arch/arm/process.cc | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/arch/arm/process.cc b/src/arch/arm/process.cc index 6b5f69e4e1..02771aed00 100644 --- a/src/arch/arm/process.cc +++ b/src/arch/arm/process.cc @@ -251,6 +251,8 @@ ArmProcess64::armHwcapImpl() const hwcap |= (isa_r1.fcma >= 1) ? Arm_Fcma : 0; hwcap |= (isa_r1.lrcpc >= 1) ? Arm_Lrcpc : 0; hwcap |= (isa_r1.lrcpc >= 2) ? Arm_Ilrcpc : 0; + hwcap |= (isa_r1.apa >= 1 || isa_r1.api >= 1) ? Arm_Paca : 0; + hwcap |= (isa_r1.gpa >= 1 || isa_r1.gpi >= 1) ? Arm_Pacg : 0; const AA64MMFR2 mm_fr2 = tc->readMiscReg(MISCREG_ID_AA64MMFR2_EL1);