SashegDev
17 lines
335 B
ArmAsm
17 lines
335 B
ArmAsm
.syntax unified
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.cpu cortex-a7
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.thumb
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@ maze entry: return 0. Guard: bad lr (high byte != 0x08) spins
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@ with IRQs off instead of jumping into the void.
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.text
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.global maze_stub
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maze_stub:
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movs r0, #0
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lsr r12, lr, #24
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cmp r12, #8
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bne maze_hang
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bx lr
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maze_hang:
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cpsid i
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b maze_hang
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