diff options
Diffstat (limited to 'arch/mips/kernel/signal-common.h')
| -rw-r--r-- | arch/mips/kernel/signal-common.h | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/arch/mips/kernel/signal-common.h b/arch/mips/kernel/signal-common.h index 9c60d09e62a7..136eb20ac024 100644 --- a/arch/mips/kernel/signal-common.h +++ b/arch/mips/kernel/signal-common.h @@ -22,18 +22,25 @@ /* * Determine which stack to use.. */ -extern void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, +extern void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs, size_t frame_size); /* Check and clear pending FPU exceptions in saved CSR */ extern int fpcsr_pending(unsigned int __user *fpcsr); /* Make sure we will not lose FPU ownership */ -#ifdef CONFIG_PREEMPT -#define lock_fpu_owner() preempt_disable() -#define unlock_fpu_owner() preempt_enable() -#else -#define lock_fpu_owner() pagefault_disable() -#define unlock_fpu_owner() pagefault_enable() -#endif +#define lock_fpu_owner() ({ preempt_disable(); pagefault_disable(); }) +#define unlock_fpu_owner() ({ pagefault_enable(); preempt_enable(); }) + +/* Assembly functions to move context to/from the FPU */ +extern asmlinkage int +_save_fp_context(void __user *fpregs, void __user *csr); +extern asmlinkage int +_restore_fp_context(void __user *fpregs, void __user *csr); + +extern asmlinkage int _save_msa_all_upper(void __user *buf); +extern asmlinkage int _restore_msa_all_upper(void __user *buf); + +extern int setup_sigcontext(struct pt_regs *, struct sigcontext __user *); +extern int restore_sigcontext(struct pt_regs *, struct sigcontext __user *); #endif /* __SIGNAL_COMMON_H */ |