X-Git-Url: http://git.subgeniuskitty.com/pdp11-memory-test/.git/blobdiff_plain/8c0bb8d8496fbd7d615562ddcce1c38c2c7cb79f..d1f2db4b4e16abf4a7e2b98f0f329d458ef9563e:/pdp11_mmu.h

diff --git a/pdp11_mmu.h b/pdp11_mmu.h
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+++ b/pdp11_mmu.h
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+// (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