diff options
| author | Vineet Gupta <vgupta@synopsys.com> | 2013-01-18 15:12:18 +0530 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2013-02-11 20:00:38 +0530 |
| commit | bf90e1eab682dcb79b7765989fb65835ce9d6165 (patch) | |
| tree | cb1bb4364862d878e1d361d371f8392d08f606d7 /arch/arc/include/asm/arcregs.h | |
| parent | 4adeefe161a74369e44cc8e663f240ece0470dc3 (diff) | |
ARC: Process-creation/scheduling/idle-loop
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
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 3fccb04e6d9..d7641188248 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__ */ |