/* asmmacro.h: Assembler macros. | |
* | |
* Copyright (C) 1996 David S. Miller (davem@caipfs.rutgers.edu) | |
*/ | |
#ifndef _SPARC_ASMMACRO_H | |
#define _SPARC_ASMMACRO_H | |
/* All trap entry points _must_ begin with this macro or else you | |
* lose. It makes sure the kernel has a proper window so that | |
* c-code can be called. | |
*/ | |
#define SAVE_ALL_HEAD \ | |
sethi %hi(trap_setup), %l4; \ | |
jmpl %l4 + %lo(trap_setup), %l6; | |
#define SAVE_ALL \ | |
SAVE_ALL_HEAD \ | |
nop; | |
/* All traps low-level code here must end with this macro. */ | |
#define RESTORE_ALL b ret_trap_entry; clr %l6; | |
#endif /* !(_SPARC_ASMMACRO_H) */ |