diff options
| -rw-r--r-- | src/target/cortex_a.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/target/cortex_a.c b/src/target/cortex_a.c index 8773ea16..a79b0b90 100644 --- a/src/target/cortex_a.c +++ b/src/target/cortex_a.c @@ -2718,6 +2718,10 @@ static int cortex_a_examine_first(struct target *target) } else armv7a->debug_base = target->dbgbase; + if ((armv7a->debug_base & (1UL<<31)) == 0) + LOG_WARNING("Debug base address for target %s has bit 31 set to 0. Access to debug registers will likely fail!\n" + "Please fix the target configuration.", target_name(target)); + retval = mem_ap_read_atomic_u32(armv7a->debug_ap, armv7a->debug_base + CPUDBG_DIDR, &didr); if (retval != ERROR_OK) { |