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662 decky 1
/*
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 * Copyright (C) 2005 Martin Decky
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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#include <syscall/syscall.h>
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#include <proc/thread.h>
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#include <proc/task.h>
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#include <mm/as.h>
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#include <print.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 <debug.h>
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#include <ipc/sysipc.h>
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#include <synch/futex.h>
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#include <ddi/ddi.h>
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static __native sys_io(int fd, const void * buf, size_t count) {
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    // TODO: buf sanity checks and a lot of other stuff ...
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    size_t i;
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    for (i = 0; i < count; i++)
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        putchar(((char *) buf)[i]);
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    return count;
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}
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static __native sys_int_control(int enable)
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{
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    panic("Not implemented.");
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}
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/** Dispatch system call */
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__native syscall_handler(__native a1, __native a2, __native a3,
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             __native a4, __native id)
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{
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    if (id < SYSCALL_END)
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        return syscall_table[id](a1,a2,a3,a4);
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    else
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        panic("Undefined syscall %d", id);
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}
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syshandler_t syscall_table[SYSCALL_END] = {
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    sys_io,
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    sys_tls_set,
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    sys_int_control,
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    /* Thread and task related syscalls. */
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    sys_thread_create,
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    sys_thread_exit,
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    sys_task_get_id,
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    /* Synchronization related syscalls. */
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    sys_futex_sleep_timeout,
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    sys_futex_wakeup,
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    /* Address space related syscalls. */
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    sys_as_area_create,
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    sys_as_area_resize,
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    sys_as_area_accept,
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    sys_as_area_send,
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    /* IPC related syscalls. */
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    sys_ipc_call_sync_fast,
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    sys_ipc_call_sync,
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    sys_ipc_call_async_fast,
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    sys_ipc_call_async,
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    sys_ipc_answer_fast,
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    sys_ipc_answer,
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    sys_ipc_forward_fast,
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    sys_ipc_wait_for_call,
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    sys_ipc_hangup,
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    sys_ipc_register_irq,
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    sys_ipc_unregister_irq,
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    /* DDI related syscalls. */
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    sys_physmem_map,
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    sys_iospace_enable
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};