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oot/asm/osWritebackDCacheAll.s
Tharo 7334ffa373
Improve the state of handwritten assembly files (#865)
* Format all handwritten asm and document some

* Use c preprocessor for constants

* Fix

* Fix PI_STATUS_ERROR, some label improvements

* Avoid hi/lo for constants

* Some more comments

* Properly mark functions as functions and their sizes

* Fix merge

* Improvements

* Review suggestions, rework procedure start/end macros to be more like libreultra

* Move IPL3 symbol definitions into ipl3.s

* Fix undefined_syms, add include and language guards to asm.h and fix the comment in gbi.h

* Consistent hex capitalization, add some MIPS builtin defines to CC_CHECK to behave properly

* Add -no-pad-sections assembler option and clean up alignment in gu files and bzero

* Further suggestions and improvements

* Matrix conversion function clarifications

* Fix passing AVOID_UB to gcc

* Suggestions

* Suggestions, global interrupt mask improvements

* Further suggestions, interrupt mask comments

* Comments fixes, rdb.h

* Switch from # comments to // comments, remove unnecesary .set gp=64 directives

* Further review suggestions

* Missed one
2022-05-01 01:03:22 +02:00

23 lines
425 B
ArmAsm

#include "ultra64/asm.h"
#include "ultra64/r4300.h"
.set noat
.set noreorder
.section .text
.balign 16
LEAF(osWritebackDCacheAll)
li $t0, K0BASE
li $t2, DCACHE_SIZE
addu $t1, $t0, $t2
addiu $t1, $t1, -DCACHE_LINESIZE
1:
cache (CACH_PD | C_IWBINV), ($t0)
sltu $at, $t0, $t1
bnez $at, 1b
addiu $t0, DCACHE_LINESIZE
jr $ra
nop
END(osWritebackDCacheAll)