Use fence.i in Debug ROM.
authorTim Newsome <tim@sifive.com>
Wed, 4 May 2016 16:45:56 +0000 (09:45 -0700)
committerTim Newsome <tim@sifive.com>
Mon, 23 May 2016 19:12:12 +0000 (12:12 -0700)
commit850e745dcf300cd5369d006b31e17ebfb417eab4
tree3607d8bdf46a750c66bb0ae582bd4c233cf96ac0
parentee96c255f12477b1762426ceb7bbd83370c899cd
Use fence.i in Debug ROM.

This replaces a hack that just disabled all of the icache.
debug_rom/debug_rom.S
debug_rom/debug_rom.h
riscv/mmu.h