diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-20 09:13:34 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-20 09:13:34 -0700 |
| commit | ed402af3c23a4804b3f8899263e8d0f97c62ab49 (patch) | |
| tree | 3aa971aea57f900a3060cc0545b199ef611f4dcf /arch/sh/include/asm/fpu.h | |
| parent | 096e6f673dc02a6394dc9a7d8f8735c6978f5b91 (diff) | |
| parent | 40e24c403f325715f9c43b9fed2068641201ee0b (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (112 commits)
sh: Move SH-4 CPU headers down one more level.
sh: Only build in gpio.o when CONFIG_GENERIC_GPIO is selected.
sh: Migrate common board headers to mach-common/.
sh: Move the CPU definition headers from asm/ to cpu/.
serial: sh-sci: Add support SCIF of SH7723
video: add sh_mobile_lcdc platform flags
video: remove unused sh_mobile_lcdc platform data
sh: remove consistent alloc cruft
sh: add dynamic crash base address support
sh: reduce Migo-R smc91x overruns
sh: Fix up some merge damage.
Fix debugfs_create_file's error checking method for arch/sh/mm/
Fix debugfs_create_dir's error checking method for arch/sh/kernel/
sh: ap325rxa: Add support RTC RX-8564LC in AP325RXA board
sh: Use sh7720 GPIO on magicpanelr2 board
sh: Add sh7720 pinmux code
sh: Use sh7203 GPIO on rsk7203 board
sh: Add sh7203 pinmux code
sh: Use sh7723 GPIO on AP325RXA board
sh: Add sh7723 pinmux code
...
Diffstat (limited to 'arch/sh/include/asm/fpu.h')
| -rw-r--r-- | arch/sh/include/asm/fpu.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/sh/include/asm/fpu.h b/arch/sh/include/asm/fpu.h index 91462fea150..1d3aee04b5c 100644 --- a/arch/sh/include/asm/fpu.h +++ b/arch/sh/include/asm/fpu.h @@ -30,8 +30,15 @@ static inline void save_fpu(struct task_struct *tsk, struct pt_regs *regs) } #endif +struct user_regset; + extern int do_fpu_inst(unsigned short, struct pt_regs *); +extern int fpregs_get(struct task_struct *target, + const struct user_regset *regset, + unsigned int pos, unsigned int count, + void *kbuf, void __user *ubuf); + static inline void unlazy_fpu(struct task_struct *tsk, struct pt_regs *regs) { preempt_disable(); @@ -50,6 +57,18 @@ static inline void clear_fpu(struct task_struct *tsk, struct pt_regs *regs) preempt_enable(); } +static inline int init_fpu(struct task_struct *tsk) +{ + if (tsk_used_math(tsk)) { + if ((boot_cpu_data.flags & CPU_HAS_FPU) && tsk == current) + unlazy_fpu(tsk, task_pt_regs(tsk)); + return 0; + } + + set_stopped_child_used_math(tsk); + return 0; +} + #endif /* __ASSEMBLY__ */ #endif /* __ASM_SH_FPU_H */ |