33 lines
326 B
ArmAsm
33 lines
326 B
ArmAsm
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#include <asm.h>
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#
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# r3 chan
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# r4 byteNotUsed
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# r5 filesNotUsed
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CARDFreeBlocks:
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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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lis %r3, 0x7F
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addi %r3, %r3, 0x6000
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stw %r3, 0(%r4)
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li %r3, 16
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stw %r3, 0(%r5)
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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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