20 lines
195 B
ArmAsm
20 lines
195 B
ArmAsm
.define _lock
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.extern _lock
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.text
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_lock:
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enter[], 0
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movd 8(fp),tos
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movd 53,tos
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jsr @.mon
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cmpqd 0,tos
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bne I0011
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movd 0,r4
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exit []
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ret 0
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I0011:
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movd tos,r7
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movd r7,@_errno
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movd -1,r4
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exit []
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ret 0
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