* os symbols

* various variables

* more variables

* more cleanup

* yeet HW_REG

* OS_PHYSICAL_TO_K0 and other cleanups

* Rename r4300.h

* migrate pimgr data and cleanup on initialize.c

* rename osFlash symbols

* cleanup gu

* vimodes

* yeet rmon, do libc files

* some os files

* hardwareinterrupt

* cleanup a lot of os files

* cleanup osVirtualToPhysical

* various io files

* another io chunk

* final io chunk

* yeet hardware.h

* yeet PHYSICAL_TO_VIRTUAL and VIRTUAL_TO_PHYSICAL

* fix typo

* fix merge

* remove global.h from libultra files

* fixes and format

* brief explanation

* review

* review

* review

* review

* SEGMENTED_TO_K0

* Revert "SEGMENTED_TO_K0"

This reverts commit f8d62d670f91af401feb56489e1cbc45a1260049.

* take two

* bss

* bss