1 /*
2 * \ingroup MODULMACROS
3 *
4 * \file EnableDebugArm.c
5 *
6 * \brief <FILEBRIEF>
7 *
8 *
9 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
10 *
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 *
16 * Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 *
19 * Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the
22 * distribution.
23 *
24 * Neither the name of Texas Instruments Incorporated nor the names of
25 * its contributors may be used to endorse or promote products derived
26 * from this software without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 */
40
41 #include "arch.h"
42 #include "edt.h"
43 #include "hal.h"
44 #include "stream.h"
45 #include "JTAG_defs.h"
46 #include "error_def.h"
47
48 /**
49 EnableDebug: halts the CPU and enables Debug
50 */
51 #if defined(MSP430_UIF) || defined(MSP_FET)
52 extern ARMConfigSettings armConfigSettings;
53 #endif
54
HAL_FUNCTION(_hal_EnableDebugArm)55 HAL_FUNCTION(_hal_EnableDebugArm)
56 {
57 #if defined(MSP430_UIF) || defined(MSP_FET)
58 unsigned long data = DBGKEY | C_DEBUGEN;
59 if(IHIL_Write_Read_Mem_Ap(0, DHCSR, &data, WRITE) == -1)
60 {
61 return HALERR_UNDEFINED_ERROR;
62 }
63
64 // Configure which vectors to catch
65 data = TRCENA | VC_HARDERR | VC_CORERESET;
66 if(IHIL_Write_Read_Mem_Ap(0, DEMCR, &data, WRITE) == -1)
67 {
68 return HALERR_UNDEFINED_ERROR;
69 }
70
71 // Clear all fault flags
72 data = EXTERNAL | VCATCH | DWTTRAP | BKPT | HALTED;
73 if(IHIL_Write_Read_Mem_Ap(0, DFSR, &data, WRITE) == -1)
74 {
75 return HALERR_UNDEFINED_ERROR;
76 }
77 #endif
78 return 0;
79 }
80