Below is the file 'swi.h' from this revision. You can also download the file.

#ifndef __SWI_H
#define __SWI_H

#define SWI_INTERRUPT_BLOCK	0
#define SWI_INTERRUPT_UNBLOCK	1

#define swi_call(x) swi_call_(x)
#define swi_call_(x) __asm("    swi " #x "\n")

#endif /* __SWI_H */