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 * @{
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 * @{
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 */
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 */
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/**
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/**
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 * @file
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 * @file
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 * @brief   Syscall table and syscall wrappers.
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 * @brief Syscall table and syscall wrappers.
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 */
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 */
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#include <syscall/syscall.h>
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#include <syscall/syscall.h>
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#include <proc/thread.h>
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#include <proc/thread.h>
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#include <proc/task.h>
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#include <proc/task.h>
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#include <proc/program.h>
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#include <proc/program.h>
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#include <mm/as.h>
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#include <mm/as.h>
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#include <print.h>
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#include <print.h>
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#include <putchar.h>
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#include <putchar.h>
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#include <errno.h>
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#include <arch.h>
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#include <arch.h>
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#include <debug.h>
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#include <debug.h>
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#include <ddi/device.h>
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#include <ipc/sysipc.h>
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#include <ipc/sysipc.h>
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#include <synch/futex.h>
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#include <synch/futex.h>
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#include <synch/smc.h>
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#include <synch/smc.h>
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#include <ddi/ddi.h>
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#include <ddi/ddi.h>
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#include <security/cap.h>
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#include <security/cap.h>
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#include <syscall/copy.h>
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#include <sysinfo/sysinfo.h>
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#include <sysinfo/sysinfo.h>
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#include <console/console.h>
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#include <console/console.h>
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 - 
 
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/** Print using kernel facility
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 *
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 * Print to kernel log.
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#include <udebug/udebug.h>
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 *
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 */
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static unative_t sys_klog(int fd, const void * buf, size_t count)
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{
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    size_t i;
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    char *data;
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    int rc;
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    if (count > PAGE_SIZE)
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        return ELIMIT;
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    if (count > 0) {
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        data = (char *) malloc(count, 0);
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        if (!data)
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            return ENOMEM;
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        rc = copy_from_uspace(data, buf, count);
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        if (rc) {
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            free(data);
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            return rc;
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        }
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        for (i = 0; i < count; i++)
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            putchar(data[i]);
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        free(data);
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    } else
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        klog_update();
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    return count;
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}
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/** Tell kernel to get keyboard/console access again */
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static unative_t sys_debug_enable_console(void)
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{
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    arch_grab_console();
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    return 0;
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}
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/** Dispatch system call */
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/** Dispatch system call */
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unative_t syscall_handler(unative_t a1, unative_t a2, unative_t a3,
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unative_t syscall_handler(unative_t a1, unative_t a2, unative_t a3,
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    unative_t a4, unative_t a5, unative_t a6, unative_t id)
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    unative_t a4, unative_t a5, unative_t a6, unative_t id)
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{
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{
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    unative_t rc;
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    unative_t rc;
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#ifdef CONFIG_UDEBUG
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    udebug_syscall_event(a1, a2, a3, a4, a5, a6, id, 0, false);
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#endif
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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, a5, a6);
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        rc = syscall_table[id](a1, a2, a3, a4, a5, a6);
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    else {
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    } else {
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        printf("Task %" PRIu64": Unknown syscall %#" PRIxn, TASK->taskid, id);
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        printf("Task %" PRIu64": Unknown syscall %#" PRIxn, TASK->taskid, id);
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        task_kill(TASK->taskid);
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        task_kill(TASK->taskid);
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        thread_exit();
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        thread_exit();
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    }
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    }
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    if (THREAD->interrupted)
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    if (THREAD->interrupted)
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        thread_exit();
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        thread_exit();
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#ifdef CONFIG_UDEBUG
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    udebug_syscall_event(a1, a2, a3, a4, a5, a6, id, rc, true);
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    /*
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     * Stopping point needed for tasks that only invoke non-blocking
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     * system calls.
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     */
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    udebug_stoppable_begin();
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    udebug_stoppable_end();
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#endif
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 88 
   
115 
    return rc;
 89 
    return rc;
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}
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}
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 91 
 
118 
syshandler_t syscall_table[SYSCALL_END] = {
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syshandler_t syscall_table[SYSCALL_END] = {
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    (syshandler_t) sys_klog,
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    (syshandler_t) sys_klog,
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    (syshandler_t) sys_thread_create,
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    (syshandler_t) sys_thread_create,
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    (syshandler_t) sys_thread_exit,
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    (syshandler_t) sys_thread_exit,
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    (syshandler_t) sys_thread_get_id,
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    (syshandler_t) sys_thread_get_id,
126 
   
 100 
   
127 
    (syshandler_t) sys_task_get_id,
 101 
    (syshandler_t) sys_task_get_id,
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    (syshandler_t) sys_task_set_name,
128 
    (syshandler_t) sys_program_spawn_loader,
 103 
    (syshandler_t) sys_program_spawn_loader,
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 104 
   
130 
    /* Synchronization related syscalls. */
 105 
    /* Synchronization related syscalls. */
131 
    (syshandler_t) sys_futex_sleep_timeout,
 106 
    (syshandler_t) sys_futex_sleep_timeout,
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    (syshandler_t) sys_futex_wakeup,
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    (syshandler_t) sys_futex_wakeup,
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    (syshandler_t) sys_ipc_call_async_fast,
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    (syshandler_t) sys_ipc_call_async_fast,
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    (syshandler_t) sys_ipc_call_async_slow,
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    (syshandler_t) sys_ipc_call_async_slow,
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    (syshandler_t) sys_ipc_answer_fast,
 121 
    (syshandler_t) sys_ipc_answer_fast,
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    (syshandler_t) sys_ipc_answer_slow,
 122 
    (syshandler_t) sys_ipc_answer_slow,
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    (syshandler_t) sys_ipc_forward_fast,
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    (syshandler_t) sys_ipc_forward_fast,
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    (syshandler_t) sys_ipc_forward_slow,
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    (syshandler_t) sys_ipc_wait_for_call,
 125 
    (syshandler_t) sys_ipc_wait_for_call,
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    (syshandler_t) sys_ipc_hangup,
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    (syshandler_t) sys_ipc_hangup,
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    (syshandler_t) sys_ipc_register_irq,
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    (syshandler_t) sys_ipc_register_irq,
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    (syshandler_t) sys_ipc_unregister_irq,
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    (syshandler_t) sys_ipc_unregister_irq,
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 129 
   
154 
    /* Capabilities related syscalls. */
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    /* Capabilities related syscalls. */
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    (syshandler_t) sys_cap_grant,
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    (syshandler_t) sys_cap_grant,
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    (syshandler_t) sys_cap_revoke,
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    (syshandler_t) sys_cap_revoke,
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 133 
   
158 
    /* DDI related syscalls. */
 134 
    /* DDI related syscalls. */
- 
 
 135 
    (syshandler_t) sys_device_assign_devno,
159 
    (syshandler_t) sys_physmem_map,
 136 
    (syshandler_t) sys_physmem_map,
160 
    (syshandler_t) sys_iospace_enable,
 137 
    (syshandler_t) sys_iospace_enable,
161 
    (syshandler_t) sys_preempt_control,
 138 
    (syshandler_t) sys_preempt_control,
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 139 
   
163 
    /* Sysinfo syscalls */
 140 
    /* Sysinfo syscalls */
164 
    (syshandler_t) sys_sysinfo_valid,
 141 
    (syshandler_t) sys_sysinfo_valid,
165 
    (syshandler_t) sys_sysinfo_value,
 142 
    (syshandler_t) sys_sysinfo_value,
166 
   
 143 
   
167 
    /* Debug calls */
 144 
    /* Debug calls */
168 
    (syshandler_t) sys_debug_enable_console
 145 
    (syshandler_t) sys_debug_enable_console,
- 
 
 146 
    (syshandler_t) sys_debug_disable_console,
- 
 
 147 
   
- 
 
 148 
    (syshandler_t) sys_ipc_connect_kbox
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};
 149 
};
170 
 
 150 
 
171 
/** @}
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/** @}
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 */
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 */