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Line 44... Line 44...
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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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void ski_putchar(chardev_t *d, const char ch)
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{
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{
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    __asm__ (
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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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 */
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 */
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__s32 ski_getchar(void)
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__s32 ski_getchar(void)
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{
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{
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    __u64 ch;
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    __u64 ch;
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    __asm__ (
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    __asm__ volatile (
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        "mov r15=%1\n"
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        "mov r15=%1\n"
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        "break 0x80000;;\n" /* modifies r8 */
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        "break 0x80000;;\n" /* modifies r8 */
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        "mov %0=r8;;\n"    
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        "mov %0=r8;;\n"    
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        : "=r" (ch)
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        : "=r" (ch)
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    );
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    );
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    return (__s32) ch;
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    return (__s32) ch;
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}
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}
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- 
 
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/**
- 
 
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    This is blocking wrap function of ski_getchar
- 
 
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    It active waits ... for using with non-stable kernel
- 
 
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*/
- 
 
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static char ski_getchar_blocking(chardev_t *d)
- 
 
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{
- 
 
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    volatile int ch;
- 
 
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    while(!(ch=ski_getchar()));
- 
 
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    if(ch == '\r') ch = '\n';
- 
 
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    return (char) ch;
- 
 
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}
- 
 
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- 
 
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/** Ask keyboard if a key was pressed. */
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/** Ask keyboard if a key was pressed. */
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void poll_keyboard(void)
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void poll_keyboard(void)
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{
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{
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    char ch;
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    char ch;
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static chardev_operations_t ski_ops = {
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static chardev_operations_t ski_ops = {
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    .resume = ski_kb_enable,
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    .resume = ski_kb_enable,
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    .suspend = ski_kb_disable,
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    .suspend = ski_kb_disable,
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    .write = ski_putchar
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    .write = ski_putchar,
- 
 
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    .read = ski_getchar_blocking
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};
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};
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/** Initialize debug console
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/** Initialize debug console
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 *
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 *
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 * Issue SSC (Simulator System Call) to
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 * Issue SSC (Simulator System Call) to
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 * to open debug console.
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 * to open debug console.
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 */
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 */
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void ski_init_console(void)
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void ski_init_console(void)
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{
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{
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    __asm__ (
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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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        "break 0x80000\n"
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        "break 0x80000\n"
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        :
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        :
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        : "i" (SKI_INIT_CONSOLE)
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        : "i" (SKI_INIT_CONSOLE)
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        : "r15", "r8"
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        : "r15", "r8"