Re: [PATCH v5 3/3] ppc: Enable 2nd DAWR support on p10

Richard Henderson
2021-04-22T04:45:35Z

On 4/21/21 6:56 PM, David Gibson wrote:
> I don't actually know if qemu has TCG watchpoint support on any
> hardware. Presumably it would mean instrumenting all the tcg loads
> and stores.

We tag the soft tlb for pages that contain watchpoints.

See include/hw/core/cpu.h:
cpu_watchpoint_insert
cpu_watchpoint_remove

r~