WebSVN – HelenOS – Diff – /trunk/kernel/generic/src/syscall/syscall.c

 /*
  * Copyright (c) 2005 Martin Decky
  * All rights reserved.
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
+ *
  * - Redistributions of source code must retain the above copyright
  *   notice, this list of conditions and the following disclaimer.
  * - Redistributions in binary form must reproduce the above copyright
  *   notice, this list of conditions and the following disclaimer in the
  *   documentation and/or other materials provided with the distribution.
  * - The name of the author may not be used to endorse or promote products
  *   derived from this software without specific prior written permission.
+ *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 /** @addtogroup generic
  * @{
  */
 /**
  * @file
- * @brief   Syscall table and syscall wrappers.
+ * @brief Syscall table and syscall wrappers.
  */
 #include <syscall/syscall.h>
 #include <proc/thread.h>
 #include <proc/task.h>
 #include <proc/program.h>
 #include <mm/as.h>
 #include <print.h>
 #include <putchar.h>
-#include <errno.h>
 #include <arch.h>
 #include <debug.h>
+#include <ddi/device.h>
 #include <ipc/sysipc.h>
 #include <synch/futex.h>
 #include <synch/smc.h>
 #include <ddi/ddi.h>
 #include <security/cap.h>
-#include <syscall/copy.h>
 #include <sysinfo/sysinfo.h>
 #include <console/console.h>
 #include <udebug/udebug.h>
-/** Print using kernel facility
- *
- * Print to kernel log.
- *
- */
-static unative_t sys_klog(int fd, const void * buf, size_t count)
-{
-    char *data;
-    int rc;
-    if (count > PAGE_SIZE)
-        return ELIMIT;
-    if (count > 0) {
-        data = (char *) malloc(count + 1, 0);
-        if (!data)
-            return ENOMEM;
-        rc = copy_from_uspace(data, buf, count);
-        if (rc) {
-            free(data);
-            return rc;
-        }
-        data[count] = 0;
-        printf("%s", data);
-        free(data);
-    } else
-        klog_update();
-    return count;
-}
-/** Tell kernel to get keyboard/console access again */
-static unative_t sys_debug_enable_console(void)
-{
-#ifdef CONFIG_KCONSOLE
-    grab_console();
-    return true;
-#else
-    return false;
-#endif
-}
-/** Tell kernel to relinquish keyboard/console access */
-static unative_t sys_debug_disable_console(void)
-{
-    release_console();
-    return true;
-}
 /** Dispatch system call */
 unative_t syscall_handler(unative_t a1, unative_t a2, unative_t a3,
     unative_t a4, unative_t a5, unative_t a6, unative_t id)
+{
     unative_t rc;
 #ifdef CONFIG_UDEBUG
     udebug_syscall_event(a1, a2, a3, a4, a5, a6, id, 0, false);
 #endif
     if (id < SYSCALL_END) {
         rc = syscall_table[id](a1, a2, a3, a4, a5, a6);
     } else {
         printf("Task %" PRIu64": Unknown syscall %#" PRIxn, TASK->taskid, id);
         task_kill(TASK->taskid);
         thread_exit();
+    }
     if (THREAD->interrupted)
         thread_exit();
 #ifdef CONFIG_UDEBUG
     udebug_syscall_event(a1, a2, a3, a4, a5, a6, id, rc, true);
     /*
      * Stopping point needed for tasks that only invoke non-blocking
      * system calls.
      */
     udebug_stoppable_begin();
     udebug_stoppable_end();
 #endif
     return rc;
+}
 syshandler_t syscall_table[SYSCALL_END] = {
     (syshandler_t) sys_klog,
     (syshandler_t) sys_tls_set,
     /* Thread and task related syscalls. */
     (syshandler_t) sys_thread_create,
     (syshandler_t) sys_thread_exit,
     (syshandler_t) sys_thread_get_id,
     (syshandler_t) sys_task_get_id,
     (syshandler_t) sys_task_set_name,
     (syshandler_t) sys_program_spawn_loader,
     /* Synchronization related syscalls. */
     (syshandler_t) sys_futex_sleep_timeout,
     (syshandler_t) sys_futex_wakeup,
     (syshandler_t) sys_smc_coherence,
     /* Address space related syscalls. */
     (syshandler_t) sys_as_area_create,
     (syshandler_t) sys_as_area_resize,
     (syshandler_t) sys_as_area_change_flags,
     (syshandler_t) sys_as_area_destroy,
     /* IPC related syscalls. */
     (syshandler_t) sys_ipc_call_sync_fast,
     (syshandler_t) sys_ipc_call_sync_slow,
     (syshandler_t) sys_ipc_call_async_fast,
     (syshandler_t) sys_ipc_call_async_slow,
     (syshandler_t) sys_ipc_answer_fast,
     (syshandler_t) sys_ipc_answer_slow,
     (syshandler_t) sys_ipc_forward_fast,
     (syshandler_t) sys_ipc_forward_slow,
     (syshandler_t) sys_ipc_wait_for_call,
     (syshandler_t) sys_ipc_hangup,
     (syshandler_t) sys_ipc_register_irq,
     (syshandler_t) sys_ipc_unregister_irq,
     /* Capabilities related syscalls. */
     (syshandler_t) sys_cap_grant,
     (syshandler_t) sys_cap_revoke,
     /* DDI related syscalls. */
+    (syshandler_t) sys_device_assign_devno,
     (syshandler_t) sys_physmem_map,
     (syshandler_t) sys_iospace_enable,
     (syshandler_t) sys_preempt_control,
     /* Sysinfo syscalls */
     (syshandler_t) sys_sysinfo_valid,
     (syshandler_t) sys_sysinfo_value,
     /* Debug calls */
     (syshandler_t) sys_debug_enable_console,
     (syshandler_t) sys_debug_disable_console,
     (syshandler_t) sys_ipc_connect_kbox
 };
 /** @}
  */

Subversion Repositories HelenOS

(root)/trunk/kernel/generic/src/syscall/syscall.c @ 3871 – Rev 3983 → 4148