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-rw-r--r--src/target/arm_dpm.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/target/arm_dpm.c b/src/target/arm_dpm.c
index 4bd22ffb..3c18e633 100644
--- a/src/target/arm_dpm.c
+++ b/src/target/arm_dpm.c
@@ -35,6 +35,12 @@
* Implements various ARM DPM operations using architectural debug registers.
* These routines layer over core-specific communication methods to cope with
* implementation differences between cores like ARM1136 and Cortex-A8.
+ *
+ * The "Debug Programmers' Model" (DPM) for ARMv6 and ARMv7 is defined by
+ * Part C (Debug Architecture) of the ARM Architecture Reference Manual,
+ * ARMv7-A and ARMv7-R edition (ARM DDI 0406B). In OpenOCD, DPM operations
+ * are abstracted through internal programming interfaces to share code and
+ * to minimize needless differences in debug behavior between cores.
*/
/*----------------------------------------------------------------------*/