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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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 */
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#include <putchar.h>
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#include <arch/types.h>
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#include <arch/cp0.h>
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#include <console/console.h>
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#include <arch/console.h>
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#include <arch/console.h>
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#include <arch.h>
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#include <arch/drivers/arc.h>
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#include <arch/drivers/arc.h>
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#include <arch/arch.h>
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#include <arch/drivers/serial.h>
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/** Putchar that works with MSIM & gxemul */
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static void cons_putchar(const char ch)
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{
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    *((char *) VIDEORAM) = ch;
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}
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/** Putchar that works with simics */
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#include <arch/drivers/msim.h>
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static void serial_putchar(const char ch)
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{
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    int i;
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    if (ch=='\n')
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        putchar('\r');
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    /* Wait until transmit buffer empty */
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    while (! ((*SERIAL_LSR) & (1<<TRANSMIT_EMPTY_BIT)))
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        ;
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    *(SERIAL_PORT_BASE) = ch;
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}
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static void (*putchar_func)(const char ch) = cons_putchar;
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void console_init(void)
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void console_init(void)
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{
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{
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    if (arc_enabled())
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        putchar_func = arc_putchar;
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    /* The LSR on the start usually contains this value */
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    else if (*SERIAL_LSR == 0x60)
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        putchar_func = serial_putchar;
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    else
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        putchar_func = cons_putchar;
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    chardev_t *console;
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}
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    if (arc_enabled()) {
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void putchar(const char ch)
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        console = arc_console();
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    } else if (serial_init()) {
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        console = serial_console();
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    } else
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        console = msim_console();
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{
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    putchar_func(ch);
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    stdin = console;
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    stdout = console;
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}
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}