ARM: only use one set of dummy FPA registers

[openocd] / src / target / cortex_m3.c

diff --git a/src/target/cortex_m3.c b/src/target/cortex_m3.c
index c9938c9c422154335e61a32e71256141aee9aef3..42f8ee089ff1a377a914ebef4fcc3c0025df091c 100644 (file)
--- a/src/target/cortex_m3.c
+++ b/src/target/cortex_m3.c
@@ -334,6 +334,9 @@ static int cortex_m3_debug_entry(struct target *target)
        xPSR = buf_get_u32(armv7m->core_cache->reg_list[ARMV7M_xPSR].value, 0, 32);
 
 #ifdef ARMV7_GDB_HACKS
+       /* FIXME this breaks on scan chains with more than one Cortex-M3.
+        * Instead, each CM3 should have its own dummy value...
+        */
        /* copy real xpsr reg for gdb, setting thumb bit */
        buf_set_u32(armv7m_gdb_dummy_cpsr_value, 0, 32, xPSR);
        buf_set_u32(armv7m_gdb_dummy_cpsr_value, 5, 1, 1);