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#include <putchar.h>
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#include <putchar.h>
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#include <arch/types.h>
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#include <arch/types.h>
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#include <arch/cp0.h>
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#include <arch/cp0.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.h>
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#include <arch/drivers/arc.h>
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#include <arch/arch.h>
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static void arc_putchar(const char ch)
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{
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    int cnt;
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    pri_t pri;
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    /* TODO: Should be spinlock? */
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/** Putchar that works with MSIM & gxemul */
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    pri = cpu_priority_high();
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    bios_write(1, &ch, 1, &cnt);
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    cpu_priority_restore(pri);
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}
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static void cons_putchar(const char ch)
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static void cons_putchar(const char ch)
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{
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{
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    *((char *) VIDEORAM) = ch;
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    *((char *) VIDEORAM) = ch;
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}
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}
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/** Putchar that works with simics */
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static void serial_putchar(const char ch)
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static void serial_putchar(const char ch)
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{
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{
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    int i;
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    int i;
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    if (ch=='\n')
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    if (ch=='\n')
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static void (*putchar_func)(const char ch) = cons_putchar;
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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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    /* The LSR on the start usually contains this value */
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    if (*SERIAL_LSR == 0x60)
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    else if (*SERIAL_LSR == 0x60)
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        putchar_func = serial_putchar;
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        putchar_func = serial_putchar;
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    else
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    else
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        putchar_func = cons_putchar;
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        putchar_func = cons_putchar;
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}
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}
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