ack/plat/pdpv7/libsys/phys.s

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ArmAsm
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#include "sys.h"
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.define _phys
.extern _errno
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_phys:
mov 2(sp),0f+2
mov 4(sp),0f+4
mov 6(sp),0f+6
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sys indir; .data2 0f
bcc 1f
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mov r0,_errno
mov $-1,r0
1:
rts pc
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.sect .data
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0:
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sys phys
.data2 0, 0, 0