diff options
Diffstat (limited to 'include/asm-sh/processor.h')
-rw-r--r-- | include/asm-sh/processor.h | 52 |
1 files changed, 34 insertions, 18 deletions
diff --git a/include/asm-sh/processor.h b/include/asm-sh/processor.h index eeb0f48bb99..474773853cd 100644 --- a/include/asm-sh/processor.h +++ b/include/asm-sh/processor.h @@ -14,6 +14,7 @@ #include <asm/types.h> #include <asm/cache.h> #include <asm/ptrace.h> +#include <asm/cpu-features.h> /* * Default implementation of macro that returns current @@ -38,27 +39,30 @@ enum cpu_type { CPU_SH7604, /* SH-3 types */ - CPU_SH7705, CPU_SH7707, CPU_SH7708, CPU_SH7708S, CPU_SH7708R, - CPU_SH7709, CPU_SH7709A, CPU_SH7729, CPU_SH7300, + CPU_SH7705, CPU_SH7706, CPU_SH7707, + CPU_SH7708, CPU_SH7708S, CPU_SH7708R, + CPU_SH7709, CPU_SH7709A, CPU_SH7710, + CPU_SH7729, CPU_SH7300, /* SH-4 types */ CPU_SH7750, CPU_SH7750S, CPU_SH7750R, CPU_SH7751, CPU_SH7751R, CPU_SH7760, CPU_ST40RA, CPU_ST40GX1, CPU_SH4_202, CPU_SH4_501, - CPU_SH73180, CPU_SH7770, CPU_SH7780, CPU_SH7781, + CPU_SH73180, CPU_SH7343, CPU_SH7770, CPU_SH7780, CPU_SH7781, /* Unknown subtype */ CPU_SH_NONE }; struct sh_cpuinfo { - enum cpu_type type; + unsigned int type; unsigned long loops_per_jiffy; - struct cache_info icache; - struct cache_info dcache; + struct cache_info icache; /* Primary I-cache */ + struct cache_info dcache; /* Primary D-cache */ + struct cache_info scache; /* Secondary cache */ unsigned long flags; -}; +} __attribute__ ((aligned(SMP_CACHE_BYTES))); extern struct sh_cpuinfo boot_cpu_data; @@ -125,17 +129,6 @@ union sh_fpu_union { struct sh_fpu_soft_struct soft; }; -/* - * Processor flags - */ - -#define CPU_HAS_FPU 0x0001 /* Hardware FPU support */ -#define CPU_HAS_P2_FLUSH_BUG 0x0002 /* Need to flush the cache in P2 area */ -#define CPU_HAS_MMU_PAGE_ASSOC 0x0004 /* SH3: TLB way selection bit support */ -#define CPU_HAS_DSP 0x0008 /* SH-DSP: DSP support */ -#define CPU_HAS_PERF_COUNTER 0x0010 /* Hardware performance counters */ -#define CPU_HAS_PTEA 0x0020 /* PTEA register */ - struct thread_struct { unsigned long sp; unsigned long pc; @@ -149,6 +142,10 @@ struct thread_struct { union sh_fpu_union fpu; }; +typedef struct { + unsigned long seg; +} mm_segment_t; + /* Count of active tasks with UBC settings */ extern int ubc_usercnt; @@ -266,5 +263,24 @@ extern unsigned long get_wchan(struct task_struct *p); #define cpu_sleep() __asm__ __volatile__ ("sleep" : : : "memory") #define cpu_relax() barrier() +#if defined(CONFIG_CPU_SH2A) || defined(CONFIG_CPU_SH3) || \ + defined(CONFIG_CPU_SH4) +#define PREFETCH_STRIDE L1_CACHE_BYTES +#define ARCH_HAS_PREFETCH +#define ARCH_HAS_PREFETCHW +static inline void prefetch(void *x) +{ + __asm__ __volatile__ ("pref @%0\n\t" : : "r" (x) : "memory"); +} + +#define prefetchw(x) prefetch(x) +#endif + +#ifdef CONFIG_VSYSCALL +extern int vsyscall_init(void); +#else +#define vsyscall_init() do { } while (0) +#endif + #endif /* __KERNEL__ */ #endif /* __ASM_SH_PROCESSOR_H */ |