diff options
Diffstat (limited to 'arch/alpha/include/asm/thread_info.h')
| -rw-r--r-- | arch/alpha/include/asm/thread_info.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/thread_info.h b/arch/alpha/include/asm/thread_info.h index 354247dca161..4a4d00b37986 100644 --- a/arch/alpha/include/asm/thread_info.h +++ b/arch/alpha/include/asm/thread_info.h @@ -26,6 +26,7 @@ struct thread_info { int bpt_nsaved; unsigned long bpt_addr[2]; /* breakpoint handling */ unsigned int bpt_insn[2]; + unsigned long fp[32]; }; /* @@ -83,6 +84,9 @@ register unsigned long *current_stack_pointer __asm__ ("$30"); #define TS_UAC_NOFIX 0x0002 /* ! flags as they match */ #define TS_UAC_SIGBUS 0x0004 /* ! userspace part of 'osf_sysinfo' */ +#define TS_SAVED_FP 0x0008 +#define TS_RESTORE_FP 0x0010 + #define SET_UNALIGN_CTL(task,value) ({ \ __u32 status = task_thread_info(task)->status & ~UAC_BITMASK; \ if (value & PR_UNALIGN_NOPRINT) \ @@ -106,5 +110,17 @@ register unsigned long *current_stack_pointer __asm__ ("$30"); put_user(res, (int __user *)(value)); \ }) +#ifndef __ASSEMBLY__ +extern void __save_fpu(void); + +static inline void save_fpu(void) +{ + if (!(current_thread_info()->status & TS_SAVED_FP)) { + current_thread_info()->status |= TS_SAVED_FP; + __save_fpu(); + } +} +#endif + #endif /* __KERNEL__ */ #endif /* _ALPHA_THREAD_INFO_H */ |