* difftest: revise coreid assignment

* nemuproxy: compatible for smp difftest

* difftest: fix goldenMem initialization problem

* difftest: goldenMem update works

* difftest: api compatible for modified nemu

* difftest: support load check for smp difftest
* verification is required later

* misc: remove unused xstrap wiring

* Remove unused code

* difftest: add latch for difftest-loadevent

* misc: update inclusivecache

* difftest: reset resp for sbuffer & atomic-unit to avoid duplicate update
of goldenMem

* difftest: dump coreid when difftest failed

* difftest: dump corresponding memory of another core when smp difftest failed
* Only works for dual-core

* difftest: fix interrupt handler

* difftest: cleanup code

* roq: remove legacy signal for difftest