diff options
Diffstat (limited to 'include/asm-arm/system.h')
| -rw-r--r-- | include/asm-arm/system.h | 52 |
1 files changed, 36 insertions, 16 deletions
diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h index f05fbe31576..aa223fc546a 100644 --- a/include/asm-arm/system.h +++ b/include/asm-arm/system.h @@ -73,6 +73,7 @@ #ifndef __ASSEMBLY__ #include <linux/linkage.h> +#include <linux/irqflags.h> struct thread_info; struct task_struct; @@ -139,23 +140,44 @@ static inline int cpu_is_xsc3(void) #define cpu_is_xscale() 1 #endif -#define set_cr(x) \ - __asm__ __volatile__( \ - "mcr p15, 0, %0, c1, c0, 0 @ set CR" \ - : : "r" (x) : "cc") - -#define get_cr() \ - ({ \ - unsigned int __val; \ - __asm__ __volatile__( \ - "mrc p15, 0, %0, c1, c0, 0 @ get CR" \ - : "=r" (__val) : : "cc"); \ - __val; \ - }) - 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) @@ -211,8 +233,6 @@ static inline void sched_cacheflush(void) { } -#include <linux/irqflags.h> - #ifdef CONFIG_SMP #define smp_mb() mb() |