diff options
Diffstat (limited to 'arch/arm/include/asm/cp15.h')
| -rw-r--r-- | arch/arm/include/asm/cp15.h | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/arch/arm/include/asm/cp15.h b/arch/arm/include/asm/cp15.h index 6493802f880..c3f11524f10 100644 --- a/arch/arm/include/asm/cp15.h +++ b/arch/arm/include/asm/cp15.h @@ -42,24 +42,23 @@ #ifndef __ASSEMBLY__ #if __LINUX_ARM_ARCH__ >= 4 -#define vectors_high() (cr_alignment & CR_V) +#define vectors_high() (get_cr() & CR_V) #else #define vectors_high() (0) #endif #ifdef CONFIG_CPU_CP15 -extern unsigned long cr_no_alignment; /* defined in entry-armv.S */ extern unsigned long cr_alignment; /* defined in entry-armv.S */ -static inline unsigned int get_cr(void) +static inline unsigned long get_cr(void) { - unsigned int val; + unsigned long val; asm("mrc p15, 0, %0, c1, c0, 0 @ get CR" : "=r" (val) : : "cc"); return val; } -static inline void set_cr(unsigned int val) +static inline void set_cr(unsigned long val) { asm volatile("mcr p15, 0, %0, c1, c0, 0 @ set CR" : : "r" (val) : "cc"); @@ -80,10 +79,6 @@ static inline void set_auxcr(unsigned int val) isb(); } -#ifndef CONFIG_SMP -extern void adjust_cr(unsigned long mask, unsigned long set); -#endif - #define CPACC_FULL(n) (3 << (n * 2)) #define CPACC_SVC(n) (1 << (n * 2)) #define CPACC_DISABLE(n) (0 << (n * 2)) @@ -106,13 +101,17 @@ static inline void set_copro_access(unsigned int val) #else /* ifdef CONFIG_CPU_CP15 */ /* - * cr_alignment and cr_no_alignment are tightly coupled to cp15 (at least in the - * minds of the developers). Yielding 0 for machines without a cp15 (and making - * it read-only) is fine for most cases and saves quite some #ifdeffery. + * cr_alignment is tightly coupled to cp15 (at least in the minds of the + * developers). Yielding 0 for machines without a cp15 (and making it + * read-only) is fine for most cases and saves quite some #ifdeffery. */ -#define cr_no_alignment UL(0) #define cr_alignment UL(0) +static inline unsigned long get_cr(void) +{ + return 0; +} + #endif /* ifdef CONFIG_CPU_CP15 / else */ #endif /* ifndef __ASSEMBLY__ */ |