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Diffstat (limited to 'arch/arm/include/asm/proc-fns.h')
-rw-r--r--arch/arm/include/asm/proc-fns.h14
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/arm/include/asm/proc-fns.h b/arch/arm/include/asm/proc-fns.h
index c82f7a29ec4a..b4986a23d852 100644
--- a/arch/arm/include/asm/proc-fns.h
+++ b/arch/arm/include/asm/proc-fns.h
@@ -147,8 +147,6 @@ static inline void init_proc_vtable(const struct processor *p)
extern void cpu_resume(void);
-#include <asm/memory.h>
-
#ifdef CONFIG_MMU
#define cpu_switch_mm(pgd,mm) cpu_do_switch_mm(virt_to_phys(pgd),mm)
@@ -180,6 +178,18 @@ extern void cpu_resume(void);
})
#endif
+static inline unsigned int cpu_get_ttbcr(void)
+{
+ unsigned int ttbcr;
+ asm("mrc p15, 0, %0, c2, c0, 2" : "=r" (ttbcr));
+ return ttbcr;
+}
+
+static inline void cpu_set_ttbcr(unsigned int ttbcr)
+{
+ asm volatile("mcr p15, 0, %0, c2, c0, 2" : : "r" (ttbcr) : "memory");
+}
+
#else /*!CONFIG_MMU */
#define cpu_switch_mm(pgd,mm) { }