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| author | Adrian Herrera <adrian.herrera@arm.com> | 2019-11-29 17:49:07 +0000 |
|---|---|---|
| committer | Giacomo Travaglini <giacomo.travaglini@arm.com> | 2020-01-15 09:26:10 +0000 |
| commit | 5698c2b52d756d5f11222559b75a038fea0cf52d (patch) | |
| tree | 0a1da00de4bb6e244d896e92c752ef07efd136f2 /src | |
| parent | 251cbd34b82670ec8038bfee6d050f080e9b3981 (diff) | |
| download | gem5-5698c2b52d756d5f11222559b75a038fea0cf52d.tar.xz | |
arch-arm: ELIsInHost, check VHE and SecEL2
This patch modifies ELIsInHost to correctly check for VHE
and Secure EL2 implementation.
Change-Id: I947dddfc6761794493fef3d59b3b35754d07ed6b
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/24046
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 | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/src/arch/arm/utility.cc b/src/arch/arm/utility.cc index a82fec495..e3d64fadf 100644 --- a/src/arch/arm/utility.cc +++ b/src/arch/arm/utility.cc @@ -342,11 +342,9 @@ ELIs32(ThreadContext *tc, ExceptionLevel el) bool ELIsInHost(ThreadContext *tc, ExceptionLevel el) { - if (!ArmSystem::haveVirtualization(tc)) { - return false; - } - HCR hcr = tc->readMiscReg(MISCREG_HCR_EL2); - return (!isSecureBelowEL3(tc) && !ELIs32(tc, EL2) && hcr.e2h == 1 && + const HCR hcr = tc->readMiscReg(MISCREG_HCR_EL2); + return ((IsSecureEL2Enabled(tc) || !isSecureBelowEL3(tc)) && + HaveVirtHostExt(tc) && !ELIs32(tc, EL2) && hcr.e2h == 1 && (el == EL2 || (el == EL0 && hcr.tge == 1))); } |