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/** Print using kernel facility
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/** Print using kernel facility
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 *
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 *
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 * Some simulators can print only through kernel. Userspace can use
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 * Some simulators can print only through kernel. Userspace can use
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 * this syscall to facilitate it.
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 * this syscall to facilitate it.
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 */
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 */
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static __native sys_io(int fd, const void * buf, size_t count)
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static unative_t sys_io(int fd, const void * buf, size_t count)
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{
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{
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    size_t i;
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    size_t i;
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    char *data;
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    char *data;
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    int rc;
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    int rc;
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    return count;
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    return count;
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}
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}
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/** Tell kernel to get keyboard/console access again */
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/** Tell kernel to get keyboard/console access again */
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static __native sys_debug_enable_console(void)
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static unative_t sys_debug_enable_console(void)
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{
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{
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    arch_grab_console();
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    arch_grab_console();
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    return 0;
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    return 0;
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}
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}
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/** Dispatch system call */
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/** Dispatch system call */
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__native syscall_handler(__native a1, __native a2, __native a3,
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unative_t syscall_handler(unative_t a1, unative_t a2, unative_t a3,
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             __native a4, __native id)
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             unative_t a4, unative_t id)
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{
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{
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    __native rc;
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    unative_t rc;
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    if (id < SYSCALL_END)
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    if (id < SYSCALL_END)
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        rc = syscall_table[id](a1,a2,a3,a4);
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        rc = syscall_table[id](a1,a2,a3,a4);
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    else {
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    else {
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        klog_printf("TASK %lld: Unknown syscall id %d",TASK->taskid,id);
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        klog_printf("TASK %lld: Unknown syscall id %d",TASK->taskid,id);