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-rw-r--r--include/asm-arm/system.h52
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()