0,0 → 1,98 |
/* |
* 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. |
*/ |
|
#include <syscall/syscall.h> |
#include <proc/thread.h> |
#include <proc/task.h> |
#include <mm/as.h> |
#include <print.h> |
#include <putchar.h> |
#include <errno.h> |
#include <arch.h> |
#include <debug.h> |
#include <ipc/sysipc.h> |
#include <synch/futex.h> |
#include <ddi/ddi.h> |
|
static __native sys_io(int fd, const void * buf, size_t count) { |
|
// TODO: buf sanity checks and a lot of other stuff ... |
|
size_t i; |
|
for (i = 0; i < count; i++) |
putchar(((char *) buf)[i]); |
|
return count; |
} |
|
static __native sys_mmap(void *address, size_t size, int flags) |
{ |
if (as_area_create(AS, flags, size, (__address) address)) |
return (__native) address; |
else |
return (__native) -1; |
} |
|
static __native sys_mremap(void *address, size_t size, int flags) |
{ |
return as_remap(AS, (__address) address, size, 0); |
} |
|
/** Dispatch system call */ |
__native syscall_handler(__native a1, __native a2, __native a3, |
__native a4, __native id) |
{ |
if (id < SYSCALL_END) |
return syscall_table[id](a1,a2,a3,a4); |
else |
panic("Undefined syscall %d", id); |
} |
|
syshandler_t syscall_table[SYSCALL_END] = { |
sys_io, |
sys_tls_set, |
sys_thread_create, |
sys_thread_exit, |
sys_futex_sleep_timeout, |
sys_futex_wakeup, |
sys_mmap, |
sys_mremap, |
sys_get_task_id, |
sys_ipc_call_sync_fast, |
sys_ipc_call_sync, |
sys_ipc_call_async_fast, |
sys_ipc_call_async, |
sys_ipc_answer_fast, |
sys_ipc_answer, |
sys_ipc_forward_fast, |
sys_ipc_wait_for_call, |
sys_ipc_hangup, |
sys_map_physmem, |
sys_enable_iospace |
}; |