[PATCH 2/6] arm-cp15-new-definitions New definitions for arm-cp15 Fault Status Register and ARMv6 control register.

[Hesham AL-Matary]

---
 c/src/lib/libcpu/arm/shared/include/arm-cp15.h | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/c/src/lib/libcpu/arm/shared/include/arm-cp15.h b/c/src/lib/libcpu/arm/shared/include/arm-cp15.h
index 0117a5e..badf96e 100644
--- a/c/src/lib/libcpu/arm/shared/include/arm-cp15.h
+++ b/c/src/lib/libcpu/arm/shared/include/arm-cp15.h
@@ -7,6 +7,7 @@
  */
 
 /*
+ * Copyright (c) 2013 Hesham AL-Matary
  * Copyright (c) 2009-2013 embedded brains GmbH.  All rights reserved.
  *
  *  embedded brains GmbH
@@ -139,6 +140,7 @@ extern "C" {
 #define ARM_CP15_CTRL_NMFI (1U << 27)
 #define ARM_CP15_CTRL_EE (1U << 25)
 #define ARM_CP15_CTRL_VE (1U << 24)
+#define ARM_CP15_CTRL_XP (1U << 23) // ARMv6
 #define ARM_CP15_CTRL_U (1U << 22)
 #define ARM_CP15_CTRL_FI (1U << 21)
 #define ARM_CP15_CTRL_UWXN (1U << 20)
@@ -173,6 +175,25 @@ extern "C" {
 
 /** @} */
 
+/**
+ * @name Fault Status Register Defines
+ *
+ * @{
+ */
+
+#define ARM_CP15_FAULT_STATUS_MASK 0x040F
+
+#define ARM_CP15_FSR_ALIGNMENT_FAULT   0x00000001
+#define ARM_CP15_FSR_BACKGROUND_FAULT  0x0000
+#define ARM_CP15_FSR_ACCESS_PERMISSION_FAULT 0x000D
+#define ARM_CP15_FSR_PRECISE_EXTERNAL_ABORT_FAULT 0x0008 
+#define ARM_CP15_FSR_IMPRECISE_EXTERNAL_ABORT_FAULT 0x0406
+#define ARM_CP15_FSR_PRECISE_PARITY_ERROR_EXCEPTION 0x0006
+#define ARM_CP15_FSR_IMPRECISE_PARITY_ERROR_EXCEPTION 0x0408
+#define ARM_CP15_FSR_DEBUG_EVENT 0x0002
+
+/** @} */
+
 static inline uint32_t arm_cp15_get_id_code(void)
 {
   ARM_SWITCH_REGISTERS;
-- 
1.8.3.1