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oot/asm/osInvalDCache.s
Tharo 982e7be1f7
Preliminary fixes for boot/libultra (#1032)
* Preliminary fixes

* Missed a NULL
2021-11-28 07:50:35 -05:00

61 lines
2.4 KiB
ArmAsm

.include "macro.inc"
# assembler directives
.set noat # allow manual use of $at
.set noreorder # don't insert nops after branches
.set gp=64 # allow use of 64-bit general purpose registers
.section .text
.balign 16
glabel osInvalDCache
/* 006E00 80006200 18A0001F */ blez $a1, .L80006280
/* 006E04 80006204 00000000 */ nop
/* 006E08 80006208 240B2000 */ li $t3, 8192
/* 006E0C 8000620C 00AB082B */ sltu $at, $a1, $t3
/* 006E10 80006210 1020001D */ beqz $at, .L80006288
/* 006E14 80006214 00000000 */ nop
/* 006E18 80006218 00804025 */ move $t0, $a0
/* 006E1C 8000621C 00854821 */ addu $t1, $a0, $a1
/* 006E20 80006220 0109082B */ sltu $at, $t0, $t1
/* 006E24 80006224 10200016 */ beqz $at, .L80006280
/* 006E28 80006228 00000000 */ nop
/* 006E2C 8000622C 310A000F */ andi $t2, $t0, 0xf
/* 006E30 80006230 11400007 */ beqz $t2, .L80006250
/* 006E34 80006234 2529FFF0 */ addiu $t1, $t1, -0x10
/* 006E38 80006238 010A4023 */ subu $t0, $t0, $t2
/* 006E3C 8000623C BD150000 */ cache 0x15, ($t0)
/* 006E40 80006240 0109082B */ sltu $at, $t0, $t1
/* 006E44 80006244 1020000E */ beqz $at, .L80006280
/* 006E48 80006248 00000000 */ nop
/* 006E4C 8000624C 25080010 */ addiu $t0, $t0, 0x10
.L80006250:
/* 006E50 80006250 312A000F */ andi $t2, $t1, 0xf
/* 006E54 80006254 11400006 */ beqz $t2, .L80006270
/* 006E58 80006258 00000000 */ nop
/* 006E5C 8000625C 012A4823 */ subu $t1, $t1, $t2
/* 006E60 80006260 BD350010 */ cache 0x15, 0x10($t1)
/* 006E64 80006264 0128082B */ sltu $at, $t1, $t0
/* 006E68 80006268 14200005 */ bnez $at, .L80006280
/* 006E6C 8000626C 00000000 */ nop
.L80006270:
/* 006E70 80006270 BD110000 */ cache 0x11, ($t0)
/* 006E74 80006274 0109082B */ sltu $at, $t0, $t1
/* 006E78 80006278 1420FFFD */ bnez $at, .L80006270
/* 006E7C 8000627C 25080010 */ addiu $t0, $t0, 0x10
.L80006280:
/* 006E80 80006280 03E00008 */ jr $ra
/* 006E84 80006284 00000000 */ nop
.L80006288:
/* 006E88 80006288 3C088000 */ lui $t0, 0x8000
/* 006E8C 8000628C 010B4821 */ addu $t1, $t0, $t3
/* 006E90 80006290 2529FFF0 */ addiu $t1, $t1, -0x10
.L80006294:
/* 006E94 80006294 BD010000 */ cache 1, ($t0)
/* 006E98 80006298 0109082B */ sltu $at, $t0, $t1
/* 006E9C 8000629C 1420FFFD */ bnez $at, .L80006294
/* 006EA0 800062A0 25080010 */ addiu $t0, 0x10
/* 006EA4 800062A4 03E00008 */ jr $ra
/* 006EA8 800062A8 00000000 */ nop