Mark Johnston 0ef3ca7ae3 Fix thread0 kernel stack initialization on riscv.
- td_kstack_pages was not being initialized.
- td_kstack is supposed to be the base address of the stack region,
  not the top.

The arm ports seem to have similar problems and will be fixed next.

Reported by:	Jenkins via lwhsu
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
2019-10-22 16:52:56 +00:00
..
2019-09-16 22:17:16 +00:00