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202004d5 AT |
1 | // (c) 2020 Aaron Taylor <ataylor at subgeniuskitty dot com> |
2 | // See License.txt file for copyright and license details. | |
3 | ||
4 | #ifndef SGK_PDP11_MMU_H | |
5 | #define SGK_PDP11_MMU_H | |
6 | ||
7 | /* | |
8 | * Initializes the MMU with a 22-bit kernel-mode I-space map that relocates the | |
9 | * MMIO page to the physical MMIO region at the top of the physical address | |
10 | * space while leaving the lower 56kB identity mapped. Assumes the CPU is | |
11 | * already running in kernel mode with MMU hardware disabled. | |
12 | */ | |
13 | void init_mmu(void); | |
14 | ||
15 | #endif // SGK_PDP11_MMU_H |