stlink: add armv7m stlink handling

[openocd] / src / target / cortex_m.c

diff --git a/src/target/cortex_m.c b/src/target/cortex_m.c
index f992bde4160acdbfd83536d720d8240618a61d98..acf280505c4dccf9429c7d13ab18815eea875bf8 100644 (file)
--- a/src/target/cortex_m.c
+++ b/src/target/cortex_m.c
@@ -1780,9 +1780,13 @@ int cortex_m3_examine(struct target *target)
        struct adiv5_dap *swjdp = &cortex_m3->armv7m.dap;
        struct armv7m_common *armv7m = target_to_armv7m(target);
 
-       retval = ahbap_debugport_init(swjdp);
-       if (retval != ERROR_OK)
-               return retval;
+       /* stlink shares the examine handler but does not support
+        * all its calls */
+       if (!armv7m->stlink) {
+               retval = ahbap_debugport_init(swjdp);
+               if (retval != ERROR_OK)
+                       return retval;
+       }
 
        if (!target_was_examined(target)) {
                target_set_examined(target);