Subversion Repositories HelenOS

Compare Revisions

Ignore whitespace Rev 4346 → Rev 4347

/branches/dynload/kernel/generic/src/syscall/syscall.c
32,9 → 32,9
 
/**
* @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>
41,64 → 41,19
#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 <event/event.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
}
 
/** Print a hex integer into klog */
static unative_t sys_debug_putint(unative_t i)
{
106,23 → 61,17
return 0;
}
 
/** 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) {
if (id < SYSCALL_END) {
rc = syscall_table[id](a1, a2, a3, a4, a5, a6);
} else {
printf("Task %" PRIu64": Unknown syscall %#" PRIxn, TASK->taskid, id);
129,13 → 78,13
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.
142,7 → 91,8
*/
udebug_stoppable_begin();
udebug_stoppable_end();
#endif
#endif
return rc;
}
 
183,6 → 133,9
(syshandler_t) sys_ipc_hangup,
(syshandler_t) sys_ipc_register_irq,
(syshandler_t) sys_ipc_unregister_irq,
 
/* Event notification syscalls. */
(syshandler_t) sys_event_subscribe,
/* Capabilities related syscalls. */
(syshandler_t) sys_cap_grant,
189,6 → 142,7
(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,