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-rw-r--r--src/arch/arm/include/armv7/arch/cache.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/src/arch/arm/include/armv7/arch/cache.h b/src/arch/arm/include/armv7/arch/cache.h
index f23dec1bbb..12df5c309f 100644
--- a/src/arch/arm/include/armv7/arch/cache.h
+++ b/src/arch/arm/include/armv7/arch/cache.h
@@ -295,6 +295,54 @@ static inline void write_sctlr(uint32_t val)
isb();
}
+/* read data fault address register (DFAR) */
+static inline uint32_t read_dfar(void)
+{
+ uint32_t val;
+ asm volatile ("mrc p15, 0, %0, c6, c0, 0" : "=r" (val));
+ return val;
+}
+
+/* read data fault status register (DFSR) */
+static inline uint32_t read_dfsr(void)
+{
+ uint32_t val;
+ asm volatile ("mrc p15, 0, %0, c5, c0, 0" : "=r" (val));
+ return val;
+}
+
+/* read instruction fault address register (IFAR) */
+static inline uint32_t read_ifar(void)
+{
+ uint32_t val;
+ asm volatile ("mrc p15, 0, %0, c6, c0, 2" : "=r" (val));
+ return val;
+}
+
+/* read instruction fault status register (IFSR) */
+static inline uint32_t read_ifsr(void)
+{
+ uint32_t val;
+ asm volatile ("mrc p15, 0, %0, c5, c0, 1" : "=r" (val));
+ return val;
+}
+
+/* read auxiliary data fault status register (ADFSR) */
+static inline uint32_t read_adfsr(void)
+{
+ uint32_t val;
+ asm volatile ("mrc p15, 0, %0, c5, c1, 0" : "=r" (val));
+ return val;
+}
+
+/* read auxiliary instruction fault status register (AIFSR) */
+static inline uint32_t read_aifsr(void)
+{
+ uint32_t val;
+ asm volatile ("mrc p15, 0, %0, c5, c1, 1" : "=r" (val));
+ return val;
+}
+
/*
* Cache maintenance API
*/