linux/arch/sparc/include/asm/asmmacro.h

24 lines
594 B
C

/* 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) */