Source file origins.

[pintos-anon] / src / ORIGIN

diff --git a/src/ORIGIN b/src/ORIGIN
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index 0000000..701276d
--- /dev/null
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+Source file origins:
+
+threads/loader.S: From MIT class code but heavily modified.
+threads/mmu.h: Ditto.
+threads/io.h: Also from MIT class code but less modified.
+
+threads/synch.c: More or less transliterated from Nachos' synch.cc.
+filesys/filesys.c: Ditto.
+filesys/filehdr.c: Ditto.
+
+All other files written by me, although inspiration is often due to
+Nachos or in some cases Linux.