diff options
Diffstat (limited to 'arch/arc/include/asm/arcregs.h')
| -rw-r--r-- | arch/arc/include/asm/arcregs.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arc/include/asm/arcregs.h b/arch/arc/include/asm/arcregs.h index 3fccb04e6d93..d76411882481 100644 --- a/arch/arc/include/asm/arcregs.h +++ b/arch/arc/include/asm/arcregs.h @@ -47,6 +47,17 @@ #define AUX_ITRIGGER 0x40d #define AUX_IPULSE 0x415 +/* + * Floating Pt Registers + * Status regs are read-only (build-time) so need not be saved/restored + */ +#define ARC_AUX_FP_STAT 0x300 +#define ARC_AUX_DPFP_1L 0x301 +#define ARC_AUX_DPFP_1H 0x302 +#define ARC_AUX_DPFP_2L 0x303 +#define ARC_AUX_DPFP_2H 0x304 +#define ARC_AUX_DPFP_STAT 0x305 + #ifndef __ASSEMBLY__ /* @@ -110,6 +121,15 @@ #endif +#ifdef CONFIG_ARC_FPU_SAVE_RESTORE +/* These DPFP regs need to be saved/restored across ctx-sw */ +struct arc_fpu { + struct { + unsigned int l, h; + } aux_dpfp[2]; +}; +#endif + #endif /* __ASEMBLY__ */ #endif /* __KERNEL__ */ |