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authorAdrian Herrera <adrian.herrera@arm.com>2019-11-07 12:30:08 +0000
committerGiacomo Travaglini <giacomo.travaglini@arm.com>2020-02-04 13:39:54 +0000
commit98b2d7acc57b664996de528e6d32ae8abaee2b99 (patch)
tree21d2559d24dd6506bbfd29819115d1500f9b0b6a /TESTING.md
parent465f7d0f56fe47ad5070cc7fcc69bf69cb7d3d82 (diff)
downloadgem5-98b2d7acc57b664996de528e6d32ae8abaee2b99.tar.xz
arch-arm: AArch64 reg access HCR_EL2.E2H filter
Some AArch64 system registers report UNDEFINED behaviours if accessed from EL2 or EL3 in a non-EL2 Host enabled (HCR_EL2.E2H == 0) environment. Examples of these are seen in the Generic Timer system registers, namely CNTP_CTL_EL02 or CNTKCTL_EL12. This patch provides an ISA filter for specifying the above condition. Change-Id: I240f9afdb000faf5d3c9274ba12bd4cc41fe8604 Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/24664 Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Maintainer: Giacomo Travaglini <giacomo.travaglini@arm.com> Tested-by: kokoro <noreply+kokoro@google.com>
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