apps/include/misc.h

   1 /*
   2     meinOS - A unix-like x86 microkernel operating system
   3     Copyright (C) 2008  Janosch Gräf <janosch.graef@gmx.net>
   4
   5     This program is free software: you can redistribute it and/or modify
   6     it under the terms of the GNU Lesser General Public License as published by
   7     the Free Software Foundation, either version 3 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU Lesser General Public License for more details.
  14
  15     You should have received a copy of the GNU Lesser General Public License
  16     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 */
  18
  19 #ifndef _MISC_H_
  20 #define _MISC_H_
  21
  22 #include <sys/types.h>
  23 #include <syscall.h>
  24 #include <signal.h>
  25
  26 // memory functions
  27 #define mem_getphysaddr(virt) ((void*)syscall_call(SYSCALL_MEM_GETPHYSADDR,1,virt))
  28 #define mem_alloc(size)       ((void*)syscall_call(SYSCALL_MEM_MALLOC,1,size))
  29 #define mem_getvga()          ((void*)syscall_call(SYSCALL_MEM_GETVGA,0))
  30 #define USERSPACE_ADDRESS     0x40000000 /* 1GB */
  31 #define USERSPACE_SIZE        0xBFBFF000 /* 3GB-4MB-4KB */
  32
  33 // VFS
  34 int vfs_mount(const char *fs,const char *mountpoint,const char *dev,int readonly);
  35 int vfs_unmount(const char *fs,const char *mountpoint);
  36
  37 // Execute
  38 struct process_data {
  39   int shmid_stdin;
  40   int shmid_stdout;
  41   int shmid_stderr;
  42   char cmdline[0];
  43   //char enviroment[0];
  44 } *_process_data;
  45
  46 pid_t execute(const char *path,char *argv[],int *stdin,int *stdout,int *stderr);
  47
  48 // Initialization
  49 static inline void init_ready() {
  50   kill(1,SIGUSR1);
  51 }
  52
  53 #endif