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84 lines
1.9 KiB
ArmAsm
84 lines
1.9 KiB
ArmAsm
.set noreorder // don't insert nops after branches
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#include "macros.inc"
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.section .text, "ax"
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#ifdef VERSION_CN
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glabel osGetCount
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addiu $sp, $sp, -0x38
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sd $ra, 0x30($sp)
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sd $fp, 0x28($sp)
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jal __osDisableInt
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move $fp, $sp
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sw $v0, 0x24($fp)
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mfc0 $a1, $9
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sw $a1, 0x20($fp)
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lw $v0, 0x20($fp)
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lui $v1, %hi(sLastHighestCount) # $v1, 0x8032
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lw $v1, %lo(sLastHighestCount)($v1)
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sltu $v0, $v0, $v1
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beqz $v0, .L80304FCC
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nop
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lui $v0, %hi(sNumCountOverflows) # $v0, 0x8032
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lw $v0, %lo(sNumCountOverflows)($v0)
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addiu $v1, $v0, 1
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sw $v1, sNumCountOverflows
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.L80304FCC:
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lw $v0, 0x20($fp)
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sw $v0, sLastHighestCount
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lui $v0, %hi(sNumCountOverflows) // $v0, 0x8032
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lwu $v0, %lo(sNumCountOverflows)($v0)
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dsll32 $v1, $v0, 0
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lwu $a0, 0x20($fp)
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or $v0, $v1, $a0
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move $a0, $v0
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dsll $v1, $a0, 5
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dsubu $v1, $v1, $v0
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dsll $a0, $v1, 2
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daddu $a0, $a0, $v0
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.set noat // gas seems to add an extra mflo $zero after, if we don't manually use $at
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li $at, 192
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ddivu $zero, $a0, $at
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.set at
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mflo $v0
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dsll32 $v0, $v0, 0
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dsra32 $v0, $v0, 0
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sw $v0, 0x20($fp)
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lw $v0, 0x20($fp)
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lui $v1, %hi(sLastHighestCount2) // $v1, 0x8032
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lw $v1, %lo(sLastHighestCount2)($v1)
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sltu $v0, $v0, $v1
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beqz $v0, .L80305044
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nop
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lui $v0, %hi(sNumCountOverflows2) // $v0, 0x8032
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lw $v0, %lo(sNumCountOverflows2)($v0)
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addiu $v1, $v0, 1
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sw $v1, sNumCountOverflows2
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.L80305044:
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lw $v0, 0x20($fp)
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sw $v0, sLastHighestCount2
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jal __osRestoreInt
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lw $a0, 0x24($fp)
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lw $v1, 0x20($fp)
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j .L80305064
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move $v0, $v1
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.L80305064:
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move $sp, $fp
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ld $ra, 0x30($sp)
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ld $fp, 0x28($sp)
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jr $ra
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addiu $sp, $sp, 0x38
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#else
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glabel osGetCount
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mfc0 $v0, $9
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jr $ra
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nop
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nop
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#endif
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