0ee6dbd789
using the direct-mapping of physmem to force PTE data structures to be physically addressable so the interrupt-time real-mode DSI trap handler could perform PTE spills. However, the memory may have been > 256Mb, which would have caused a BAT spill and double-interrupt. The new trap code no longer handles PTE spills, so the requirement that these pages be direct-mapped no longer applies. The irony is UMA_MD_SMALL_ALLOC will return direct mappings for these structs :-) |
||
---|---|---|
.. | ||
clock.c | ||
copyinout.c | ||
interrupt.c | ||
locore.S | ||
machdep.c | ||
mmu_oea.c | ||
nexus.c | ||
ofw_machdep.c | ||
ofwmagic.S | ||
swtch.S | ||
trap_subr.S | ||
trap.c | ||
uma_machdep.c | ||
vm_machdep.c |