37 lines
539 B
ArmAsm
37 lines
539 B
ArmAsm
.set noat
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.set noreorder
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# `$zr` -> `$zero`
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.set $zr, $zero
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# `la` but using `addiu`
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.macro la_ reg, addr
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lui \reg, %hi(\addr)
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addiu \reg, \reg, %lo(\addr)
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.endm
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# `move` but using `addu`
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.macro move_ lhs, rhs
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addu \lhs, \rhs, $zr
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.endm
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# Jumps to a bios function
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# Clobbers `$t1` and `$t2`
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# No delay slot
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.macro bios_jump family, idx
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li $t2, \family
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jr $t2
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li $t1, \idx
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nop
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.endm
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# Calls a bios function
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# Clobbers `$t1` and `$t2`
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# No delay slot
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.macro bios_call family, idx
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li $t1, \idx
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li $t2, \family
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jalr $t2
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nop
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.endm
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