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Rev 3766 Rev 3844
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chardev_t ski_console;
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chardev_t ski_console;
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chardev_t ski_uconsole;
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chardev_t ski_uconsole;
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static bool kbd_disabled;
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static bool kbd_disabled;
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static void ski_putchar(chardev_t *d, const char ch);
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static int32_t ski_getchar(void);
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/** Display character on debug console
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/** Display character on debug console
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 *
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 *
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 * Use SSC (Simulator System Call) to
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 * Use SSC (Simulator System Call) to
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 * display character on debug console.
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 * display character on debug console.
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 *
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 *
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 * @param d Character device.
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 * @param d Character device.
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 * @param ch Character to be printed.
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 * @param ch Character to be printed.
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 */
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 */
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void ski_putchar(chardev_t *d, const char ch)
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static void ski_putchar(chardev_t *d, const char ch, bool silent)
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{
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{
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    if (!silent) {
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    asm volatile (
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        asm volatile (
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        "mov r15 = %0\n"
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            "mov r15 = %0\n"
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        "mov r32 = %1\n"    /* r32 is in0 */
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            "mov r32 = %1\n"   /* r32 is in0 */
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        "break 0x80000\n"   /* modifies r8 */
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            "break 0x80000\n"  /* modifies r8 */
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        :
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            :
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        : "i" (SKI_PUTCHAR), "r" (ch)
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            : "i" (SKI_PUTCHAR), "r" (ch)
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        : "r15", "in0", "r8"
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            : "r15", "in0", "r8"
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    );
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        );
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    if (ch == '\n')
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        if (ch == '\n')
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        ski_putchar(d, '\r');
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            ski_putchar(d, '\r');
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    }
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}
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}
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/** Ask debug console if a key was pressed.
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/** Ask debug console if a key was pressed.
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 *
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 *
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 * Use SSC (Simulator System Call) to
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 * Use SSC (Simulator System Call) to
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 *
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 *
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 * This call is non-blocking.
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 * This call is non-blocking.
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 *
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 *
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 * @return ASCII code of pressed key or 0 if no key pressed.
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 * @return ASCII code of pressed key or 0 if no key pressed.
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 */
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 */
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int32_t ski_getchar(void)
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static int32_t ski_getchar(void)
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{
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{
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    uint64_t ch;
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    uint64_t ch;
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    asm volatile (
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    asm volatile (
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        "mov r15 = %1\n"
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        "mov r15 = %1\n"