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| author | Adrian Herrera <adrian.herrera@arm.com> | 2019-11-29 17:22:28 +0000 |
|---|---|---|
| committer | Giacomo Travaglini <giacomo.travaglini@arm.com> | 2020-01-15 09:26:10 +0000 |
| commit | 251cbd34b82670ec8038bfee6d050f080e9b3981 (patch) | |
| tree | 8aa8ace030b9c05dff7d6a267324cd11206656cb /src | |
| parent | 226fa0cd940accb7809e68d74d1d735f8fef8bc9 (diff) | |
| download | gem5-251cbd34b82670ec8038bfee6d050f080e9b3981.tar.xz | |
arch-arm: Virtualization Host Extensions checking
This patch adds Armv8.1-VHE checking. This is based on the bit
ID_AA64MMFR1_EL1.VH being 0b1.
Change-Id: Ia3f278c63fe1b5448a686db87a46853fc8b6bea5
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/24045
Reviewed-by: Ciro Santilli <ciro.santilli@arm.com>
Maintainer: Giacomo Travaglini <giacomo.travaglini@arm.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/arm/utility.cc | 7 | ||||
| -rw-r--r-- | src/arch/arm/utility.hh | 1 |
2 files changed, 8 insertions, 0 deletions
diff --git a/src/arch/arm/utility.cc b/src/arch/arm/utility.cc index 5ab56453b..a82fec495 100644 --- a/src/arch/arm/utility.cc +++ b/src/arch/arm/utility.cc @@ -290,6 +290,13 @@ getMPIDR(ArmSystem *arm_sys, ThreadContext *tc) } bool +HaveVirtHostExt(ThreadContext *tc) +{ + AA64MMFR1 id_aa64mmfr1 = tc->readMiscReg(MISCREG_ID_AA64MMFR1_EL1); + return id_aa64mmfr1.vh; +} + +bool HaveSecureEL2Ext(ThreadContext *tc) { AA64PFR0 id_aa64pfr0 = tc->readMiscReg(MISCREG_ID_AA64PFR0_EL1); diff --git a/src/arch/arm/utility.hh b/src/arch/arm/utility.hh index 7ec44f8e2..4d1348abc 100644 --- a/src/arch/arm/utility.hh +++ b/src/arch/arm/utility.hh @@ -166,6 +166,7 @@ currEL(CPSR cpsr) return opModeToEL((OperatingMode) (uint8_t)cpsr.mode); } +bool HaveVirtHostExt(ThreadContext *tc); bool HaveSecureEL2Ext(ThreadContext *tc); bool IsSecureEL2Enabled(ThreadContext *tc); bool EL2Enabled(ThreadContext *tc); |