| Daniel Hellstrom | 9d7c6b2 | 2008-03-28 09:47:00 +0100 | [diff] [blame] | 1 | /* Assembler macros for SPARC |
| 2 | * |
| 3 | * (C) Copyright 2007, taken from linux asm-sparc/asmmacro.h |
| 4 | * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. |
| 5 | * |
| 6 | * See file CREDITS for list of people who contributed to this |
| 7 | * project. |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or |
| 10 | * modify it under the terms of the GNU General Public License as |
| 11 | * published by the Free Software Foundation; either version 2 of |
| 12 | * the License, or (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 22 | * MA 02111-1307 USA |
| 23 | * |
| 24 | */ |
| 25 | |
| 26 | #ifndef __SPARC_ASMMACRO_H__ |
| 27 | #define __SPARC_ASMMACRO_H__ |
| 28 | |
| 29 | #include <config.h> |
| 30 | |
| 31 | /* All trap entry points _must_ begin with this macro or else you |
| 32 | * lose. It makes sure the kernel has a proper window so that |
| 33 | * c-code can be called. |
| 34 | */ |
| 35 | #define SAVE_ALL_HEAD \ |
| 36 | sethi %hi(trap_setup+(CFG_RELOC_MONITOR_BASE-TEXT_BASE)), %l4; \ |
| 37 | jmpl %l4 + %lo(trap_setup+(CFG_RELOC_MONITOR_BASE-TEXT_BASE)), %l6; |
| 38 | #define SAVE_ALL \ |
| 39 | SAVE_ALL_HEAD \ |
| 40 | nop; |
| 41 | |
| 42 | /* All traps low-level code here must end with this macro. */ |
| 43 | #define RESTORE_ALL b ret_trap_entry; clr %l6; |
| 44 | |
| 45 | #endif |