Giacomo Travaglini has submitted this change. (
https://gem5-review.googlesource.com/c/public/gem5/+/70759?usp=email )
Change subject: arch-arm: Enable FEAT_PAuth in SE mode
......................................................................
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 <giacomo.travagl...@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/70759
Reviewed-by: Richard Cooper <richard.coo...@arm.com>
Maintainer: Jason Lowe-Power <power...@gmail.com>
Tested-by: kokoro <noreply+kok...@google.com>
---
M src/arch/arm/process.cc
1 file changed, 2 insertions(+), 0 deletions(-)
Approvals:
Richard Cooper: Looks good to me, approved
Jason Lowe-Power: Looks good to me, approved
kokoro: Regressions pass
diff --git a/src/arch/arm/process.cc b/src/arch/arm/process.cc
index 6b5f69e..02771ae 100644
--- a/src/arch/arm/process.cc
+++ b/src/arch/arm/process.cc
@@ -251,6 +251,8 @@
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);
--
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Gerrit-MessageType: merged
Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: I6da5da0878dde56c22ffdba25eff15e36f5022fe
Gerrit-Change-Number: 70759
Gerrit-PatchSet: 2
Gerrit-Owner: Giacomo Travaglini <giacomo.travagl...@arm.com>
Gerrit-Reviewer: Andreas Sandberg <andreas.sandb...@arm.com>
Gerrit-Reviewer: Giacomo Travaglini <giacomo.travagl...@arm.com>
Gerrit-Reviewer: Jason Lowe-Power <power...@gmail.com>
Gerrit-Reviewer: Richard Cooper <richard.coo...@arm.com>
Gerrit-Reviewer: kokoro <noreply+kok...@google.com>
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