Apple's Hypervisor.Framework forwards cache operations as MMIO traps into user space. For MMIO however, these have no meaning: There is no cache attached to them.
So let's just treat cache data exits as nops. This fixes OpenBSD booting as guest. Signed-off-by: Alexander Graf <ag...@csgraf.de> Reported-by: AJ Barris <awlsomea...@github.com> Reference: https://github.com/utmapp/UTM/issues/3197 --- target/arm/hvf/hvf.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c index bff3e0cde7..0dc96560d3 100644 --- a/target/arm/hvf/hvf.c +++ b/target/arm/hvf/hvf.c @@ -1150,12 +1150,19 @@ int hvf_vcpu_exec(CPUState *cpu) uint32_t sas = (syndrome >> 22) & 3; uint32_t len = 1 << sas; uint32_t srt = (syndrome >> 16) & 0x1f; + uint32_t cm = (syndrome >> 8) & 0x1; uint64_t val = 0; trace_hvf_data_abort(env->pc, hvf_exit->exception.virtual_address, hvf_exit->exception.physical_address, isv, iswrite, s1ptw, len, srt); + if (cm) { + /* We don't cache MMIO regions */ + advance_pc = true; + break; + } + assert(isv); if (iswrite) { -- 2.30.1 (Apple Git-130)
