diff options
Diffstat (limited to 'include/asm-powerpc')
| -rw-r--r-- | include/asm-powerpc/processor.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/include/asm-powerpc/processor.h b/include/asm-powerpc/processor.h index a23da6356e0..e93e72df4bc 100644 --- a/include/asm-powerpc/processor.h +++ b/include/asm-powerpc/processor.h @@ -12,7 +12,11 @@ #include <asm/reg.h> +#ifdef CONFIG_VSX +#define TS_FPRWIDTH 2 +#else #define TS_FPRWIDTH 1 +#endif #ifndef __ASSEMBLY__ #include <linux/compiler.h> @@ -80,6 +84,7 @@ extern long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); /* Lazy FPU handling on uni-processor */ extern struct task_struct *last_task_used_math; extern struct task_struct *last_task_used_altivec; +extern struct task_struct *last_task_used_vsx; extern struct task_struct *last_task_used_spe; #ifdef CONFIG_PPC32 @@ -142,7 +147,9 @@ typedef struct { unsigned long seg; } mm_segment_t; -#define TS_FPR(i) fpr[i] +#define TS_FPROFFSET 0 +#define TS_VSRLOWOFFSET 1 +#define TS_FPR(i) fpr[i][TS_FPROFFSET] struct thread_struct { unsigned long ksp; /* Kernel stack pointer */ @@ -160,8 +167,9 @@ struct thread_struct { unsigned long dbcr0; /* debug control register values */ unsigned long dbcr1; #endif - double fpr[32]; /* Complete floating point set */ - struct { /* fpr ... fpscr must be contiguous */ + /* FP and VSX 0-31 register set */ + double fpr[32][TS_FPRWIDTH]; + struct { unsigned int pad; unsigned int val; /* Floating point status */ @@ -181,6 +189,10 @@ struct thread_struct { unsigned long vrsave; int used_vr; /* set if process has used altivec */ #endif /* CONFIG_ALTIVEC */ +#ifdef CONFIG_VSX + /* VSR status */ + int used_vsr; /* set if process has used altivec */ +#endif /* CONFIG_VSX */ #ifdef CONFIG_SPE unsigned long evr[32]; /* upper 32-bits of SPE regs */ u64 acc; /* Accumulator */ |