| /* 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) */ |