+/* register offsets from armv7a.debug_base */
+
+/* See ARMv7a arch spec section C10.2 */
+#define CPUDBG_DIDR 0x000
+
+/* See ARMv7a arch spec section C10.3 */
+#define CPUDBG_WFAR 0x018
+/* PCSR at 0x084 -or- 0x0a0 -or- both ... based on flags in DIDR */
+#define CPUDBG_DSCR 0x088
+#define CPUDBG_DRCR 0x090
+#define CPUDBG_PRCR 0x310
+#define CPUDBG_PRSR 0x314
+
+/* See ARMv7a arch spec section C10.4 */
+#define CPUDBG_DTRRX 0x080
+#define CPUDBG_ITR 0x084
+#define CPUDBG_DTRTX 0x08c
+
+/* See ARMv7a arch spec section C10.5 */
+#define CPUDBG_BVR_BASE 0x100
+#define CPUDBG_BCR_BASE 0x140
+#define CPUDBG_WVR_BASE 0x180
+#define CPUDBG_WCR_BASE 0x1C0
+#define CPUDBG_VCR 0x01C
+
+/* See ARMv7a arch spec section C10.6 */
+#define CPUDBG_OSLAR 0x300
+#define CPUDBG_OSLSR 0x304
+#define CPUDBG_OSSRR 0x308
+#define CPUDBG_ECR 0x024
+
+/* See ARMv7a arch spec section C10.7 */
+#define CPUDBG_DSCCR 0x028
+#define CPUDBG_DSMCR 0x02C
+
+/* See ARMv7a arch spec section C10.8 */
+#define CPUDBG_AUTHSTATUS 0xFB8
+
+/* See ARMv7a arch spec DDI 0406C C11.10 */
+#define CPUDBG_ID_PFR1 0xD24
+
+/* Masks for Vector Catch register */
+#define DBG_VCR_FIQ_MASK ((1 << 31) | (1 << 7))
+#define DBG_VCR_IRQ_MASK ((1 << 30) | (1 << 6))
+#define DBG_VCR_DATA_ABORT_MASK ((1 << 28) | (1 << 4))
+#define DBG_VCR_PREF_ABORT_MASK ((1 << 27) | (1 << 3))
+#define DBG_VCR_SVC_MASK ((1 << 26) | (1 << 2))
+
+/* Masks for Multiprocessor Affinity Register */
+#define MPIDR_MP_EXT (1UL << 31)