diff options
Diffstat (limited to 'arch/arc/include')
-rw-r--r-- | arch/arc/include/asm/processor.h | 10 | ||||
-rw-r--r-- | arch/arc/include/asm/switch_to.h | 9 |
2 files changed, 19 insertions, 0 deletions
diff --git a/arch/arc/include/asm/processor.h b/arch/arc/include/asm/processor.h index 4104a0839214..d400a2161935 100644 --- a/arch/arc/include/asm/processor.h +++ b/arch/arc/include/asm/processor.h @@ -27,6 +27,13 @@ struct arc_fpu { }; #endif +#ifdef CONFIG_ARC_PLAT_EZNPS +struct eznps_dp { + unsigned int eflags; + unsigned int gpa1; +}; +#endif + /* Arch specific stuff which needs to be saved per task. * However these items are not so important so as to earn a place in * struct thread_info @@ -38,6 +45,9 @@ struct thread_struct { #ifdef CONFIG_ARC_FPU_SAVE_RESTORE struct arc_fpu fpu; #endif +#ifdef CONFIG_ARC_PLAT_EZNPS + struct eznps_dp dp; +#endif }; #define INIT_THREAD { \ diff --git a/arch/arc/include/asm/switch_to.h b/arch/arc/include/asm/switch_to.h index 1b171ab5fec0..f7d07feeea61 100644 --- a/arch/arc/include/asm/switch_to.h +++ b/arch/arc/include/asm/switch_to.h @@ -26,10 +26,19 @@ extern void fpu_save_restore(struct task_struct *p, struct task_struct *n); #endif /* !CONFIG_ARC_FPU_SAVE_RESTORE */ +#ifdef CONFIG_ARC_PLAT_EZNPS +extern void dp_save_restore(struct task_struct *p, struct task_struct *n); +#define ARC_EZNPS_DP_PREV(p, n) dp_save_restore(p, n) +#else +#define ARC_EZNPS_DP_PREV(p, n) + +#endif /* !CONFIG_ARC_PLAT_EZNPS */ + struct task_struct *__switch_to(struct task_struct *p, struct task_struct *n); #define switch_to(prev, next, last) \ do { \ + ARC_EZNPS_DP_PREV(prev, next); \ ARC_FPU_PREV(prev, next); \ last = __switch_to(prev, next);\ ARC_FPU_NEXT(next); \ |