Subversion Repositories openrisc

/*
 * Copyright (C) 2006 KPIT Cummins
 * Copyright (C) 2009 Conny Marco Menebröcker
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms is permitted
 * provided that the above copyright notice and following paragraph are
 * duplicated in all such forms.
 *
 * This file is distributed WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 */
int trap0(int file, unsigned long ptr,int len)
{
asm volatile("TRAP #3");
return len;
}
 
 
int trap1(int file, unsigned long ptr,int len)
{
 asm volatile("TRAP #4");
 
}
 
int trap_lseek(int file, unsigned long ptr,int len)
{
 asm volatile("TRAP #8");
 
}
 
 
 
volatile int opensys(char *name,int flags,int perms)
{
 #ifndef __xc16xL__
        asm volatile("push r11\n"
                     "mov r11,r10 \n"
                     " mov r10,r9  \n"
                     " mov r9,#0x300 \n"
                     );
 
  #endif
 
asm volatile("trap #5");
#ifndef __xc16xL__
asm volatile("pop r11");
#endif
}
 
volatile int creatsys(char *name,int perms)
{
 #ifndef __xc16xL__
        asm volatile("push r10\n"
                     " mov r10,r9  \n"
                     " mov r9,#0x300 \n"
                     );
 
  #endif
 
asm volatile("trap #7");
#ifndef __xc16xL__
asm volatile("pop r10");
#endif
}