- fix issue with cortex_m3 reset run. Thanks Perry Hung

- https://lists.berlios.de/pipermail/openocd-development/2009-March/005028.html

git-svn-id: svn://svn.berlios.de/openocd/trunk@1413 b42882b7-edfa-0310-969c-e2dbd0fdcd60

src/target/cortex_m3.c

@@ -243,6 +243,10 @@ int cortex_m3_endreset_event(target_t *target)
 	swjdp_transaction_endcheck(swjdp);
 	
 	armv7m_invalidate_core_regs(target);
+	
+	/* make sure we have latest dhcsr flags */
+	ahbap_read_system_atomic_u32(swjdp, DCB_DHCSR, &cortex_m3->dcb_dhcsr);
+	
 	return ERROR_OK;
 }
 
@@ -725,8 +729,12 @@ int cortex_m3_assert_reset(target_t *target)
 		if (cortex_m3->dcb_dhcsr & C_MASKINTS)
 			ahbap_write_system_atomic_u32(swjdp, DCB_DHCSR, DBGKEY | C_DEBUGEN | C_HALT);
 
+		/* clear any debug flags before resuming */
 		cortex_m3_clear_halt(target);
 		
+		/* clear C_HALT in dhcsr reg */
+		cortex_m3_write_debug_halt_mask(target, 0, C_HALT);
+							
 		/* Enter debug state on reset, cf. end_reset_event() */	
 		ahbap_write_system_u32(swjdp, DCB_DEMCR, TRCENA | VC_HARDERR | VC_BUSERR);
 	}