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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-11 09:59:50 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-11 09:59:50 -0700 |
| commit | f2c60ed038dedcc43a0eb3ef4e0602741ba90384 (patch) | |
| tree | 1d06b6c080e1c164d87b66f8cc4b13203378b85a /include/asm-mips/hazards.h | |
| parent | cabca0cb0d0e8579428d8f8c3f606e2f01d26d14 (diff) | |
| parent | 3f2d560e9029ec0b7edf8be0c32425f4bb57d582 (diff) | |
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (28 commits)
[MIPS] Rework cobalt_board_id
[MIPS] Use RTC_CMOS for Cobalt
[MIPS] Use platform_device for Cobalt UART
[MIPS] Separate Alchemy processor based boards config
[MIPS] Fix build error in atomic64_cmpxchg
[MIPS] Run checksyscalls for N32 and O32 ABI
[MIPS] tlbex: use __maybe_unused
[MIPS] excite: use __maybe_unused
[MIPS] Add extern cobalt_board_id
[MIPS] Remove unused CONFIG_TOSHIBA_BOARDS
[MIPS] Rename tb0229_defconfig to tb0219_defconfig
[MIPS] Update tb0229_defconfig; add CONFIG_GPIO_TB0219.
[MIPS] Add minimum defconfig for RBHMA4200
[MIPS] SB1: Build fix.
[MIPS] Drop __devinit tag from allocate_irqno() and free_irqno()
[MIPS] clocksource: use CLOCKSOURCE_MASK() macro
[MIPS] Remove LIMITED_DMA support
[MIPS] Remove Momenco Jaguar ATX support
[MIPS] Remove Momenco Ocelot G support
[MIPS] FPU hazard handling
...
Diffstat (limited to 'include/asm-mips/hazards.h')
| -rw-r--r-- | include/asm-mips/hazards.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/asm-mips/hazards.h b/include/asm-mips/hazards.h index e50c77e69cb..d9119f43f9a 100644 --- a/include/asm-mips/hazards.h +++ b/include/asm-mips/hazards.h @@ -178,4 +178,36 @@ ASMMACRO(back_to_back_c0_hazard, #endif + +/* FPU hazards */ + +#if defined(CONFIG_CPU_SB1) +ASMMACRO(enable_fpu_hazard, + .set push; + .set mips64; + .set noreorder; + _ssnop; + bnezl $0,.+4; + _ssnop; + .set pop +) +ASMMACRO(disable_fpu_hazard, +) + +#elif defined(CONFIG_CPU_MIPSR2) +ASMMACRO(enable_fpu_hazard, + _ehb +) +ASMMACRO(disable_fpu_hazard, + _ehb +) +#else +ASMMACRO(enable_fpu_hazard, + nop; nop; nop; nop +) +ASMMACRO(disable_fpu_hazard, + _ehb +) +#endif + #endif /* _ASM_HAZARDS_H */ |