On 2013-09-12 08:59, Hesham AL-Matary wrote:
---
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
Please avoid // comments.
#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
What is the purpose of this mask?
How can I access the FSR?
+
+#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;
--
Sebastian Huber, embedded brains GmbH
Address : Dornierstr. 4, D-82178 Puchheim, Germany
Phone : +49 89 189 47 41-16
Fax : +49 89 189 47 41-09
E-Mail : sebastian.hu...@embedded-brains.de
PGP : Public key available on request.
Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
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