diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h index e5aa372beb94..f4386906b200 100644 --- a/include/asm-arm/system.h +++ b/include/asm-arm/system.h @@ -140,44 +140,6 @@ static inline int cpu_is_xsc3(void) #define cpu_is_xscale() 1 #endif -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) -{ - unsigned int val; - asm("mrc p15, 0, %0, c1, c0, 0 @ get CR" : "=r" (val) : : "cc"); - return val; -} - -static inline void set_cr(unsigned int val) -{ - asm volatile("mcr p15, 0, %0, c1, c0, 0 @ set CR" - : : "r" (val) : "cc"); -} - -#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)) - -static inline unsigned int get_copro_access(void) -{ - unsigned int val; - asm("mrc p15, 0, %0, c1, c0, 2 @ get copro access" - : "=r" (val) : : "cc"); - return val; -} - -static inline void set_copro_access(unsigned int val) -{ - asm volatile("mcr p15, 0, %0, c1, c0, 2 @ set copro access" - : : "r" (val) : "cc"); -} - #define UDBG_UNDEFINED (1 << 0) #define UDBG_SYSCALL (1 << 1) #define UDBG_BADABORT (1 << 2) @@ -212,6 +174,46 @@ extern unsigned int user_debug; #define set_mb(var, value) do { var = value; mb(); } while (0) #define nop() __asm__ __volatile__("mov\tr0,r0\t@ nop\n\t"); +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) +{ + unsigned int val; + asm("mrc p15, 0, %0, c1, c0, 0 @ get CR" : "=r" (val) : : "cc"); + return val; +} + +static inline void set_cr(unsigned int val) +{ + asm volatile("mcr p15, 0, %0, c1, c0, 0 @ set CR" + : : "r" (val) : "cc"); + 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)) + +static inline unsigned int get_copro_access(void) +{ + unsigned int val; + asm("mrc p15, 0, %0, c1, c0, 2 @ get copro access" + : "=r" (val) : : "cc"); + return val; +} + +static inline void set_copro_access(unsigned int val) +{ + asm volatile("mcr p15, 0, %0, c1, c0, 2 @ set copro access" + : : "r" (val) : "cc"); + isb(); +} + /* * switch_mm() may do a full cache flush over the context switch, * so enable interrupts over the context switch to avoid high