42 lines
428 B
ArmAsm
42 lines
428 B
ArmAsm
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#include <asm.h>
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#
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# r3 Channel
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# r4 MemSize (can be zero ptr)
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# r5 SecSize (can be zero ptr)
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CARDProbeEX:
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mflr %r0
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cmpwi %r3, 0
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beq CARDPresent
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li %r3, -3
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b end
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CARDPresent:
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cmpwi %r4, 0
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beq ZeroMemPtr
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li %r3, 8
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stw %r3, 0(%r4)
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ZeroMemPtr:
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cmpwi %r5, 0
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beq ZeroSecPtr
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li %r3, 0x2000
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stw %r3, 0(%r5)
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ZeroSecPtr:
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li %r3, 0
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end:
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mtlr %r0
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blr
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