git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * This file is subject to the terms and conditions of the GNU General Public | |
| 3 | * License. See the file "COPYING" in the main directory of this archive | |
| 4 | * for more details. | |
| 5 | * | |
| 6 | * Copyright (C) 2003 Ralf Baechle | |
| 7 | */ | |
| 8 | #ifndef _ASM_ASMMACRO_H | |
| 9 | #define _ASM_ASMMACRO_H | |
| 10 | ||
| 11 | #include <linux/config.h> | |
| 12 | #include <asm/hazards.h> | |
| 13 | ||
| 14 | #ifdef CONFIG_MIPS32 | |
| 15 | #include <asm/asmmacro-32.h> | |
| 16 | #endif | |
| 17 | #ifdef CONFIG_MIPS64 | |
| 18 | #include <asm/asmmacro-64.h> | |
| 19 | #endif | |
| 20 | ||
| 21 | .macro local_irq_enable reg=t0 | |
| 22 | mfc0 \reg, CP0_STATUS | |
| 23 | ori \reg, \reg, 1 | |
| 24 | mtc0 \reg, CP0_STATUS | |
| 25 | irq_enable_hazard | |
| 26 | .endm | |
| 27 | ||
| 28 | .macro local_irq_disable reg=t0 | |
| 29 | mfc0 \reg, CP0_STATUS | |
| 30 | ori \reg, \reg, 1 | |
| 31 | xori \reg, \reg, 1 | |
| 32 | mtc0 \reg, CP0_STATUS | |
| 33 | irq_disable_hazard | |
| 34 | .endm | |
| 35 | ||
| 36 | #ifdef CONFIG_CPU_SB1 | |
| 37 | .macro fpu_enable_hazard | |
| 38 | .set push | |
| 39 | .set noreorder | |
| 40 | .set mips2 | |
| 41 | SSNOP | |
| 42 | bnezl $0, .+4 | |
| 43 | SSNOP | |
| 44 | .set pop | |
| 45 | .endm | |
| 46 | #else | |
| 47 | .macro fpu_enable_hazard | |
| 48 | .endm | |
| 49 | #endif | |
| 50 | ||
| 51 | #endif /* _ASM_ASMMACRO_H */ |