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63 lines
2.4 KiB
ArmAsm
63 lines
2.4 KiB
ArmAsm
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.include "macro.inc"
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# assembler directives
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.set noat # allow manual use of $at
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.set noreorder # don't insert nops after branches
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.set gp=64 # allow use of 64-bit general purposee registers
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.section .text
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.align 4
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glabel __osProbeTLB
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/* 005C40 80005040 40085000 */ mfc0 $t0, $10
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/* 005C44 80005044 310900FF */ andi $t1, $t0, 0xff
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/* 005C48 80005048 2401E000 */ li $at, -8192
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/* 005C4C 8000504C 00815024 */ and $t2, $a0, $at
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/* 005C50 80005050 012A4825 */ or $t1, $t1, $t2
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/* 005C54 80005054 40895000 */ mtc0 $t1, $10
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/* 005C58 80005058 00000000 */ nop
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/* 005C5C 8000505C 00000000 */ nop
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/* 005C60 80005060 00000000 */ nop
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/* 005C64 80005064 42000008 */ tlbp
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/* 005C68 80005068 00000000 */ nop
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/* 005C6C 8000506C 00000000 */ nop
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/* 005C70 80005070 400B0000 */ mfc0 $t3, $0
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/* 005C74 80005074 3C018000 */ lui $at, 0x8000
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/* 005C78 80005078 01615824 */ and $t3, $t3, $at
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/* 005C7C 8000507C 1560001A */ bnez $t3, .L800050E8
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/* 005C80 80005080 00000000 */ nop
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/* 005C84 80005084 42000001 */ tlbr
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/* 005C88 80005088 00000000 */ nop
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/* 005C8C 8000508C 00000000 */ nop
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/* 005C90 80005090 00000000 */ nop
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/* 005C94 80005094 400B2800 */ mfc0 $t3, $5
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/* 005C98 80005098 216B2000 */ addi $t3, $t3, 0x2000
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/* 005C9C 8000509C 000B5842 */ srl $t3, $t3, 1
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/* 005CA0 800050A0 01646024 */ and $t4, $t3, $a0
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/* 005CA4 800050A4 15800004 */ bnez $t4, .L800050B8
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/* 005CA8 800050A8 216BFFFF */ addi $t3, $t3, -1
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/* 005CAC 800050AC 40021000 */ mfc0 $v0, $2
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/* 005CB0 800050B0 10000002 */ b .L800050BC
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/* 005CB4 800050B4 00000000 */ nop
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.L800050B8:
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/* 005CB8 800050B8 40021800 */ mfc0 $v0, $3
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.L800050BC:
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/* 005CBC 800050BC 304D0002 */ andi $t5, $v0, 2
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/* 005CC0 800050C0 11A00009 */ beqz $t5, .L800050E8
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/* 005CC4 800050C4 00000000 */ nop
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/* 005CC8 800050C8 3C013FFF */ lui $at, (0x3FFFFFC0 >> 16) # lui $at, 0x3fff
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/* 005CCC 800050CC 3421FFC0 */ ori $at, (0x3FFFFFC0 & 0xFFFF) # ori $at, $at, 0xffc0
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/* 005CD0 800050D0 00411024 */ and $v0, $v0, $at
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/* 005CD4 800050D4 00021180 */ sll $v0, $v0, 6
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/* 005CD8 800050D8 008B6824 */ and $t5, $a0, $t3
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/* 005CDC 800050DC 004D1020 */ add $v0, $v0, $t5
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/* 005CE0 800050E0 10000002 */ b .L800050EC
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/* 005CE4 800050E4 00000000 */ nop
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.L800050E8:
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/* 005CE8 800050E8 2402FFFF */ li $v0, -1
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.L800050EC:
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/* 005CEC 800050EC 40885000 */ mtc0 $t0, $10
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/* 005CF0 800050F0 03E00008 */ jr $ra
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/* 005CF4 800050F4 00000000 */ nop
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