ShuriZma
/
xemu
mirror of https://github.com/xemu-project/xemu.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

hvf: Add execute to dirty log permission bitmap 

Hvf's permission bitmap during and after dirty logging does not include
the HV_MEMORY_EXEC permission. At least on Apple Silicon, this leads to
instruction faults once dirty logging was enabled.

Add the bit to make it work properly.

Signed-off-by: Alexander Graf <agraf@csgraf.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20210916155404.86958-3-agraf@csgraf.de
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Alexander Graf 2021-09-16 17:53:56 +02:00 committed by Peter Maydell
parent 0130895ddf
commit 5b3e751724
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
accel/hvf/hvf-accel-ops.c
View File

@ -239,12 +239,12 @@ static void hvf_set_dirty_tracking(MemoryRegionSection *section, bool on)
if (on) {
slot->flags |= HVF_SLOT_LOG;
hv_vm_protect((uintptr_t)slot->start, (size_t)slot->size,
HV_MEMORY_READ);
HV_MEMORY_READ | HV_MEMORY_EXEC);
/* stop tracking region*/
} else {
slot->flags &= ~HVF_SLOT_LOG;
hv_vm_protect((uintptr_t)slot->start, (size_t)slot->size,
HV_MEMORY_READ | HV_MEMORY_WRITE);
HV_MEMORY_READ | HV_MEMORY_WRITE | HV_MEMORY_EXEC);
}
}