b6b707d9df
The system call puts the time in a pair of registers, not in the timeval structure. Add code to move the time to the structure, so programs see the correct time, not garbage. This fixes our example programs that use the time as a random seed.
20 lines
489 B
ArmAsm
20 lines
489 B
ArmAsm
! The system call checks the timeval pointer but doesn't store the
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! time there. If the pointer wasn't NULL, then the system call
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! returns the time in a pair of registers.
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.sect .text
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.define _gettimeofday
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_gettimeofday:
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addi r0, r0, 116 ! gettimeofday
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lwz r3, 0(sp) ! timeval pointer
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lwz r4, 4(sp) ! timezone pointer
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or. r5, r3, r3
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sc 0
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b .set_errno
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bc 12, 2, 1f ! beq 1f
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stw r3, 0(r5) ! seconds
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stw r4, 4(r5) ! microseconds
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1:
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addi r3, r0, 0 ! return 0
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bclr 20, 0, 0
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