Add to MMU init: bypass cache in MMIO page
[pdp11-memory-test] / pdp11_mmu.h
// (c) 2020 Aaron Taylor <ataylor at subgeniuskitty dot com>
// See License.txt file for copyright and license details.
#ifndef SGK_PDP11_MMU_H
#define SGK_PDP11_MMU_H
* Initializes the MMU with a 22-bit kernel-mode I-space map that relocates the
* MMIO page to the physical MMIO region at the top of the physical address
* space while leaving the lower 56kB identity mapped. Assumes the CPU is
* already running in kernel mode with MMU hardware disabled.
void init_mmu(void);
#endif // SGK_PDP11_MMU_H