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Rev 534 Rev 567
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    ipl = interrupts_disable();
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    ipl = interrupts_disable();
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    arc_entry->write(1, &ch, 1, &cnt);
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    arc_entry->write(1, &ch, 1, &cnt);
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    interrupts_restore(ipl);
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    interrupts_restore(ipl);
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}
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}
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/** Try to get character, return character or -1 if not available */
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int arc_getchar(void)
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{
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    char ch;
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    __u32 count;
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    long result;
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    if (arc_entry->getreadstatus(0))
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        return -1;
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    result = arc_entry->read(0, &ch, 1, &count);
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    if (result || count!=1) {
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        cpu_halt();
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        return -1;
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    }
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    if (ch == '\r')
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        return '\n';
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    return ch;
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}