diff options
| -rw-r--r-- | hw/serial.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/hw/serial.c b/hw/serial.c index b66d13ad41..49431b2388 100644 --- a/hw/serial.c +++ b/hw/serial.c @@ -99,6 +99,14 @@ #define RECV_FIFO 1 #define MAX_XMIT_RETRY 4 +#ifdef DEBUG_SERIAL +#define DPRINTF(fmt, ...) \ +do { fprintf(stderr, "serial: " fmt , ## __VA_ARGS__); } while (0); +#else +#define DPRINTF(fmt, ...) \ +do {} while(0); +#endif + typedef struct SerialFIFO { uint8_t data[UART_FIFO_LENGTH]; uint8_t count; @@ -267,10 +275,9 @@ static void serial_update_parameters(SerialState *s) ssp.stop_bits = stop_bits; s->char_transmit_time = (get_ticks_per_sec() / speed) * frame_size; qemu_chr_ioctl(s->chr, CHR_IOCTL_SERIAL_SET_PARAMS, &ssp); -#if 0 - printf("speed=%d parity=%c data=%d stop=%d\n", + + DPRINTF("speed=%d parity=%c data=%d stop=%d\n", speed, parity, data_bits, stop_bits); -#endif } static void serial_update_msl(SerialState *s) @@ -360,9 +367,7 @@ static void serial_ioport_write(void *opaque, uint32_t addr, uint32_t val) SerialState *s = opaque; addr &= 7; -#ifdef DEBUG_SERIAL - printf("serial: write addr=0x%02x val=0x%02x\n", addr, val); -#endif + DPRINTF("write addr=0x%02x val=0x%02x\n", addr, val); switch(addr) { default: case 0: @@ -583,9 +588,7 @@ static uint32_t serial_ioport_read(void *opaque, uint32_t addr) ret = s->scr; break; } -#ifdef DEBUG_SERIAL - printf("serial: read addr=0x%02x val=0x%02x\n", addr, ret); -#endif + DPRINTF("read addr=0x%02x val=0x%02x\n", addr, ret); return ret; } @@ -651,9 +654,7 @@ static void serial_receive1(void *opaque, const uint8_t *buf, int size) static void serial_event(void *opaque, int event) { SerialState *s = opaque; -#ifdef DEBUG_SERIAL - printf("serial: event %x\n", event); -#endif + DPRINTF("event %x\n", event); if (event == CHR_EVENT_BREAK) serial_receive_break(s); } |