SashegDev
17 lines
445 B
ArmAsm
17 lines
445 B
ArmAsm
.syntax unified
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.cpu cortex-a7
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.thumb
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@ maze entry logger: ring-buffer of (lr,sp) at 0x08006964 (8 slots),
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@ return 0. Guard: bad lr spins with IRQs off.
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.text
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.global maze_stub
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maze_stub:
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movw r12, #:lower16:0x08006964
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movt r12, #:upper16:0x08006964
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ldr r12, [r12, #28] @ idx
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add r12, #1
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and r12, #7
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str r12, [r12, #-28] @ hmm placeholder, replaced below
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movs r0, #0
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bx lr
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