71188c92f9
- support of TSS-based task switching - add a mailbox template - suport of user level task - support of system calls git-svn-id: http://svn.lfbs.rwth-aachen.de/svn/scc/trunk/MetalSVM@47 315a16e6-25f9-4109-90ae-ca3045a26c18
40 lines
1 KiB
C
40 lines
1 KiB
C
/*
|
|
* Copyright 2010 Stefan Lankes, Chair for Operating Systems,
|
|
* RWTH Aachen University
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*
|
|
* This file is part of MetalSVM.
|
|
*/
|
|
|
|
#include <metalsvm/stdio.h>
|
|
#include <metalsvm/syscall.h>
|
|
#include <metalsvm/tasks.h>
|
|
|
|
void syscall_handler(struct state* s)
|
|
{
|
|
uint32_t id = current_task->id;
|
|
|
|
switch(s->eax)
|
|
{
|
|
case __NR_exit:
|
|
sys_exit(s->ebx);
|
|
break;
|
|
case __NR_write:
|
|
kputs((char*) s->ebx);
|
|
break;
|
|
default:
|
|
kputs("invalid system call\n");
|
|
break;
|
|
};
|
|
}
|