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oot/src/libultra/os/writebackdcacheall.s
Tharo 7e082f0c4f
Use IDO for assembling handwritten asm files in src (#2390)
* as0

* Fix ASOPTFLAGS for src/libc, remove unnecessary noreorder region in kanread

* Suggested changes

* Use %half to load the boot bss size for matching

Co-authored-by: cadmic <cadmic24@gmail.com>

* Wrap all of __osProbeTLB in noreorder

---------

Co-authored-by: cadmic <cadmic24@gmail.com>
2024-12-28 15:18:45 -05:00

19 lines
392 B
ArmAsm

#include "ultra64/asm.h"
#include "ultra64/regdef.h"
#include "ultra64/R4300.h"
.text
LEAF(osWritebackDCacheAll)
li t0, K0BASE
li t2, DCACHE_SIZE
addu t1, t0, t2
addiu t1, t1, -DCACHE_LINESIZE
1:
.set noreorder
cache (CACH_PD | C_IWBINV), (t0)
bltu t0, t1, 1b
addiu t0, DCACHE_LINESIZE
.set reorder
jr ra
END(osWritebackDCacheAll)