Support for debugging on ARMv8-M CPUs

[openocd.git] / src / target / cortex_m.h

diff --git a/src/target/cortex_m.h b/src/target/cortex_m.h
index 2f29903c8bf66b7607cab00059d3ea7a5848ac49..54d7a02287ea25dc672f90b955368509c22af58a 100644 (file)
--- a/src/target/cortex_m.h
+++ b/src/target/cortex_m.h
@@ -38,6 +38,12 @@
 #define ITM_LAR_KEY    0xC5ACCE55
 
 #define CPUID          0xE000ED00
+
+#define ARM_CPUID_PARTNO_MASK  0xFFF0
+
+#define CORTEX_M23_PARTNO      0xD200
+#define CORTEX_M33_PARTNO      0xD210
+
 /* Debug Control Block */
 #define DCB_DHCSR      0xE000EDF0
 #define DCB_DCRSR      0xE000EDF4
@@ -52,6 +58,9 @@
 #define DWT_COMP0      0xE0001020
 #define DWT_MASK0      0xE0001024
 #define DWT_FUNCTION0  0xE0001028
+#define DWT_DEVARCH            0xE0001FBC
+
+#define DWT_DEVARCH_ARMV8M     0x101A02
 
 #define FP_CTRL                0xE0002000
 #define FP_REMAP       0xE0002004
@@ -181,6 +190,7 @@ struct cortex_m_common {
        /* Data Watchpoint and Trace (DWT) */
        int dwt_num_comp;
        int dwt_comp_available;
+       uint32_t dwt_devarch;
        struct cortex_m_dwt_comparator *dwt_comparator_list;
        struct reg_cache *dwt_cache;