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| author | Peter Maydell <peter.maydell@linaro.org> | 2018-08-20 11:24:32 +0100 |
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| committer | Peter Maydell <peter.maydell@linaro.org> | 2018-08-20 11:24:32 +0100 |
| commit | aec4dd09f172ee64c19222b78269d5952fd9c1dc (patch) | |
| tree | ca949782d84fcbed0980f521f2771d3fcf60c36f /hw/misc/mmio_interface.c | |
| parent | 68e78e332cb1c3f8b0317a0443acb2b5e190f0dd (diff) | |
| download | focaccia-qemu-aec4dd09f172ee64c19222b78269d5952fd9c1dc.tar.gz focaccia-qemu-aec4dd09f172ee64c19222b78269d5952fd9c1dc.zip | |
target/arm: Permit accesses to ELR_Hyp from Hyp mode via MSR/MRS (banked)
The MSR (banked) and MRS (banked) instructions allow accesses to ELR_Hyp from either Monitor or Hyp mode. Our translate time check was overly strict and only permitted access from Monitor mode. The runtime check we do in msr_mrs_banked_exc_checks() had the correct code in it, but never got there because of the earlier "currmode == tgtmode" check. Special case ELR_Hyp. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Luc Michel <luc.michel@greensocs.com> Message-id: 20180814124254.5229-9-peter.maydell@linaro.org
Diffstat (limited to 'hw/misc/mmio_interface.c')
0 files changed, 0 insertions, 0 deletions