Searched refs:SerialTail (Results 1 – 3 of 3) sorted by relevance
168 if (SerialTail == SerialHead) { in bios_pollchar()222 if (SerialTail != SerialHead) { in bios_getchar()225 data = *SerialTail++; in bios_getchar()227 if (SerialTail > SerialHead + serial_buf_size) in bios_getchar()228 SerialTail = SerialHead; in bios_getchar()
30 char *SerialTail = serial_buf; /* Tail of serial port rx buffer */ variable63 if (dst != SerialTail) in irq_common()
88 extern char *SerialTail;