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| author | Giacomo Travaglini <giacomo.travaglini@arm.com> | 2017-11-27 18:10:17 +0000 |
|---|---|---|
| committer | Giacomo Travaglini <giacomo.travaglini@arm.com> | 2017-11-28 12:00:30 +0000 |
| commit | 7c1405402c7c53f17e554f584b7e801f1f755034 (patch) | |
| tree | b02ec6bb1050454b5c13a838ee3cdf944c538c13 /src/arch/arm/system.cc | |
| parent | e7bff655aa48da0fd1e7656bc10b66473f34aa2a (diff) | |
| download | gem5-7c1405402c7c53f17e554f584b7e801f1f755034.tar.xz | |
arch-arm: Add haveEL pseudocode function
This patch introduces the ARM pseudocode haveEL function
into gem5.
Change-Id: I0d96070959e8e13773eb7fa9964894ec0ff2cac2
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/6162
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
Diffstat (limited to 'src/arch/arm/system.cc')
| -rw-r--r-- | src/arch/arm/system.cc | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/arch/arm/system.cc b/src/arch/arm/system.cc index 1fe706079..097a87b2b 100644 --- a/src/arch/arm/system.cc +++ b/src/arch/arm/system.cc @@ -225,6 +225,23 @@ ArmSystem::highestEL(ThreadContext *tc) return FullSystem? getArmSystem(tc)->highestEL() : EL1; } +bool +ArmSystem::haveEL(ThreadContext *tc, ExceptionLevel el) +{ + switch (el) { + case EL0: + case EL1: + return true; + case EL2: + return haveVirtualization(tc); + case EL3: + return haveSecurity(tc); + default: + warn("Unimplemented Exception Level\n"); + return false; + } +} + Addr ArmSystem::resetAddr64(ThreadContext *tc) { |