On 15/6/23 00:54, Alexander Graf wrote:
MacOS unconditionally disables interrupts of the physical timer on boot
and then continues to use the virtual one. We don't really want to support
a full physical timer emulation, so let's just ignore those writes.
Signed-off-by: Alexander Graf <g...@amazon.com>
---
target/arm/hvf/hvf.c | 7 +++++++
1 file changed, 7 insertions(+)
@@ -1551,6 +1552,12 @@ static int hvf_sysreg_write(CPUState *cpu, uint32_t reg,
uint64_t val)
case SYSREG_OSLAR_EL1:
env->cp15.oslsr_el1 = val & 1;
break;
+ case SYSREG_CNTP_CTL_EL0:
+ /*
+ * Guests should not rely on the physical counter, but macOS emits
+ * disable writes to it. Let it do so, but ignore the requests.
+ */
Still it could be useful to report that calling
qemu_log_mask(LOG_UNIMP,...) here.
+ break;
