On 12/1/19 12:20 PM, Marc Zyngier wrote: > HCR_EL2.TID1 mandates that access from EL1 to REVIDR_EL1, AIDR_EL1 > (and their 32bit equivalents) as well as TCMTR, TLBTR are trapped > to EL2. QEMU ignores it, making it harder for a hypervisor to > virtualize the HW (though to be fair, no known hypervisor actually > cares). > > Do the right thing by trapping to EL2 if HCR_EL2.TID1 is set. > > Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xxxxxxxxxx> > Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx> > --- > target/arm/helper.c | 36 ++++++++++++++++++++++++++++++++---- > 1 file changed, 32 insertions(+), 4 deletions(-) Reviewed-by: Richard Henderson <richard.henderson@xxxxxxxxxx> r~ _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
