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

}