diff options
Diffstat (limited to 'arch/mips/include/asm/cop2.h')
| -rw-r--r-- | arch/mips/include/asm/cop2.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/mips/include/asm/cop2.h b/arch/mips/include/asm/cop2.h index 6b04c98b7fa..c1516cc0285 100644 --- a/arch/mips/include/asm/cop2.h +++ b/arch/mips/include/asm/cop2.h @@ -9,6 +9,37 @@ #ifndef __ASM_COP2_H #define __ASM_COP2_H +#include <linux/notifier.h> + +#if defined(CONFIG_CPU_CAVIUM_OCTEON) + +extern void octeon_cop2_save(struct octeon_cop2_state *); +extern void octeon_cop2_restore(struct octeon_cop2_state *); + +#define cop2_save(r) octeon_cop2_save(r) +#define cop2_restore(r) octeon_cop2_restore(r) + +#define cop2_present 1 +#define cop2_lazy_restore 1 + +#elif defined(CONFIG_CPU_XLP) + +extern void nlm_cop2_save(struct nlm_cop2_state *); +extern void nlm_cop2_restore(struct nlm_cop2_state *); +#define cop2_save(r) nlm_cop2_save(r) +#define cop2_restore(r) nlm_cop2_restore(r) + +#define cop2_present 1 +#define cop2_lazy_restore 0 + +#else + +#define cop2_present 0 +#define cop2_lazy_restore 0 +#define cop2_save(r) +#define cop2_restore(r) +#endif + enum cu2_ops { CU2_EXCEPTION, CU2_LWC2_OP, @@ -20,4 +51,14 @@ enum cu2_ops { extern int register_cu2_notifier(struct notifier_block *nb); extern int cu2_notifier_call_chain(unsigned long val, void *v); +#define cu2_notifier(fn, pri) \ +({ \ + static struct notifier_block fn##_nb = { \ + .notifier_call = fn, \ + .priority = pri \ + }; \ + \ + register_cu2_notifier(&fn##_nb); \ +}) + #endif /* __ASM_COP2_H */ |