| 1 |
28 |
unneback |
<!-- Copyright (C) 2003 Red Hat, Inc. -->
|
| 2 |
|
|
<!-- This material may be distributed only subject to the terms -->
|
| 3 |
|
|
<!-- and conditions set forth in the Open Publication License, v1.0 -->
|
| 4 |
|
|
<!-- or later (the latest version is presently available at -->
|
| 5 |
|
|
<!-- http://www.opencontent.org/openpub/). -->
|
| 6 |
|
|
<!-- Distribution of the work or derivative of the work in any -->
|
| 7 |
|
|
<!-- standard (paper) book form is prohibited unless prior -->
|
| 8 |
|
|
<!-- permission is obtained from the copyright holder. -->
|
| 9 |
|
|
<HTML
|
| 10 |
|
|
><HEAD
|
| 11 |
|
|
><TITLE
|
| 12 |
|
|
>NEC CEB-V850/SA1 Hardware Setup</TITLE
|
| 13 |
|
|
><meta name="MSSmartTagsPreventParsing" content="TRUE">
|
| 14 |
|
|
<META
|
| 15 |
|
|
NAME="GENERATOR"
|
| 16 |
|
|
CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
|
| 17 |
|
|
"><LINK
|
| 18 |
|
|
REL="HOME"
|
| 19 |
|
|
TITLE="eCos User Guide"
|
| 20 |
|
|
HREF="ecos-user-guide.html"><LINK
|
| 21 |
|
|
REL="UP"
|
| 22 |
|
|
TITLE="Target Setup"
|
| 23 |
|
|
HREF="appendix-target-setup.html"><LINK
|
| 24 |
|
|
REL="PREVIOUS"
|
| 25 |
|
|
TITLE="SH4/SE7751 Hardware Setup"
|
| 26 |
|
|
HREF="setup-sh-se7751.html"><LINK
|
| 27 |
|
|
REL="NEXT"
|
| 28 |
|
|
TITLE="NEC CEB-V850/SB1 Hardware Setup"
|
| 29 |
|
|
HREF="setup-v850-cebsb1.html"></HEAD
|
| 30 |
|
|
><BODY
|
| 31 |
|
|
CLASS="SECT1"
|
| 32 |
|
|
BGCOLOR="#FFFFFF"
|
| 33 |
|
|
TEXT="#000000"
|
| 34 |
|
|
LINK="#0000FF"
|
| 35 |
|
|
VLINK="#840084"
|
| 36 |
|
|
ALINK="#0000FF"
|
| 37 |
|
|
><DIV
|
| 38 |
|
|
CLASS="NAVHEADER"
|
| 39 |
|
|
><TABLE
|
| 40 |
|
|
SUMMARY="Header navigation table"
|
| 41 |
|
|
WIDTH="100%"
|
| 42 |
|
|
BORDER="0"
|
| 43 |
|
|
CELLPADDING="0"
|
| 44 |
|
|
CELLSPACING="0"
|
| 45 |
|
|
><TR
|
| 46 |
|
|
><TH
|
| 47 |
|
|
COLSPAN="3"
|
| 48 |
|
|
ALIGN="center"
|
| 49 |
|
|
>eCos User Guide</TH
|
| 50 |
|
|
></TR
|
| 51 |
|
|
><TR
|
| 52 |
|
|
><TD
|
| 53 |
|
|
WIDTH="10%"
|
| 54 |
|
|
ALIGN="left"
|
| 55 |
|
|
VALIGN="bottom"
|
| 56 |
|
|
><A
|
| 57 |
|
|
HREF="setup-sh-se7751.html"
|
| 58 |
|
|
ACCESSKEY="P"
|
| 59 |
|
|
>Prev</A
|
| 60 |
|
|
></TD
|
| 61 |
|
|
><TD
|
| 62 |
|
|
WIDTH="80%"
|
| 63 |
|
|
ALIGN="center"
|
| 64 |
|
|
VALIGN="bottom"
|
| 65 |
|
|
>Appendix A. Target Setup</TD
|
| 66 |
|
|
><TD
|
| 67 |
|
|
WIDTH="10%"
|
| 68 |
|
|
ALIGN="right"
|
| 69 |
|
|
VALIGN="bottom"
|
| 70 |
|
|
><A
|
| 71 |
|
|
HREF="setup-v850-cebsb1.html"
|
| 72 |
|
|
ACCESSKEY="N"
|
| 73 |
|
|
>Next</A
|
| 74 |
|
|
></TD
|
| 75 |
|
|
></TR
|
| 76 |
|
|
></TABLE
|
| 77 |
|
|
><HR
|
| 78 |
|
|
ALIGN="LEFT"
|
| 79 |
|
|
WIDTH="100%"></DIV
|
| 80 |
|
|
><DIV
|
| 81 |
|
|
CLASS="SECT1"
|
| 82 |
|
|
><H1
|
| 83 |
|
|
CLASS="SECT1"
|
| 84 |
|
|
><A
|
| 85 |
|
|
NAME="SETUP-V850-CEBSA1">NEC CEB-V850/SA1 Hardware Setup</H1
|
| 86 |
|
|
><P
|
| 87 |
|
|
>The CEB-V850 board is fitted with a socketed EPROM. The internal
|
| 88 |
|
|
Flash of the V850 supplied with the CEB-V850 boards defaults to
|
| 89 |
|
|
vectoring into this EPROM. A GDB stub image should be programmed
|
| 90 |
|
|
into an EPROM fitted to this board, and a pre-built image is provided
|
| 91 |
|
|
at <TT
|
| 92 |
|
|
CLASS="FILENAME"
|
| 93 |
|
|
>loaders/v850-ceb_v850/v850sa1/gdb_module.bin </TT
|
| 94 |
|
|
>under
|
| 95 |
|
|
the root of your eCos installation.</P
|
| 96 |
|
|
><P
|
| 97 |
|
|
>The EPROM is installed to the socket labelled U7 on the board.
|
| 98 |
|
|
Attention should be paid to the correct orientation of the EPROM
|
| 99 |
|
|
during installation. </P
|
| 100 |
|
|
><P
|
| 101 |
|
|
>When programming an EPROM using the binary image, be careful
|
| 102 |
|
|
to get the byte order correct. It needs to be little-endian. If
|
| 103 |
|
|
the EPROM burner software has a hex-editor, check that the first
|
| 104 |
|
|
few bytes of the image look similar to: </P
|
| 105 |
|
|
><TABLE
|
| 106 |
|
|
BORDER="5"
|
| 107 |
|
|
BGCOLOR="#E0E0F0"
|
| 108 |
|
|
WIDTH="70%"
|
| 109 |
|
|
><TR
|
| 110 |
|
|
><TD
|
| 111 |
|
|
><PRE
|
| 112 |
|
|
CLASS="PROGRAMLISTING"
|
| 113 |
|
|
>00000000: 0018 8007 5e02 0000 0000 0000 0000 0000</PRE
|
| 114 |
|
|
></TD
|
| 115 |
|
|
></TR
|
| 116 |
|
|
></TABLE
|
| 117 |
|
|
><P
|
| 118 |
|
|
>If the byte order is wrong you will see 1800 instead of 0018
|
| 119 |
|
|
etc. Use the EPROM burner software to make a byte-swap before you
|
| 120 |
|
|
burn to image to the EPROM. </P
|
| 121 |
|
|
><P
|
| 122 |
|
|
>If the GDB stub EPROM you burn does not work, try reversing
|
| 123 |
|
|
the byte-order, even if you think you have it the right way around.
|
| 124 |
|
|
At least one DOS-based EPROM burner program is known to have the
|
| 125 |
|
|
byte-order upside down.</P
|
| 126 |
|
|
><P
|
| 127 |
|
|
>The GDB stub in the EPROM allows communication with GDB using
|
| 128 |
|
|
the serial port. The communication parameters are fixed at 38400
|
| 129 |
|
|
baud, 8 data bits, no parity bit and 1 stop bit (8-N-1). No flow
|
| 130 |
|
|
control is employed. Connection to the host computer should be made
|
| 131 |
|
|
using a dedicated serial cable as specified in the CEB-V850/SA1
|
| 132 |
|
|
manual.</P
|
| 133 |
|
|
><DIV
|
| 134 |
|
|
CLASS="SECT2"
|
| 135 |
|
|
><H2
|
| 136 |
|
|
CLASS="SECT2"
|
| 137 |
|
|
><A
|
| 138 |
|
|
NAME="AEN4279">Installing the Stubs into ROM</H2
|
| 139 |
|
|
><DIV
|
| 140 |
|
|
CLASS="SECT3"
|
| 141 |
|
|
><H3
|
| 142 |
|
|
CLASS="SECT3"
|
| 143 |
|
|
><A
|
| 144 |
|
|
NAME="AEN4281">Preparing the Binaries</H3
|
| 145 |
|
|
><P
|
| 146 |
|
|
>These two binary preparation steps are not strictly necessary
|
| 147 |
|
|
as the eCos distribution ships with pre-compiled binaries in the
|
| 148 |
|
|
directory loaders/v850-ceb_v850 relative to the
|
| 149 |
|
|
installation root.</P
|
| 150 |
|
|
><DIV
|
| 151 |
|
|
CLASS="SECT4"
|
| 152 |
|
|
><H4
|
| 153 |
|
|
CLASS="SECT4"
|
| 154 |
|
|
><A
|
| 155 |
|
|
NAME="AEN4284">Building the ROM images with the eCos Configuration Tool</H4
|
| 156 |
|
|
><P
|
| 157 |
|
|
></P
|
| 158 |
|
|
><OL
|
| 159 |
|
|
TYPE="1"
|
| 160 |
|
|
><LI
|
| 161 |
|
|
><P
|
| 162 |
|
|
>Start with a new document - selecting the
|
| 163 |
|
|
<SPAN
|
| 164 |
|
|
CLASS="emphasis"
|
| 165 |
|
|
><I
|
| 166 |
|
|
CLASS="EMPHASIS"
|
| 167 |
|
|
>File->New</I
|
| 168 |
|
|
></SPAN
|
| 169 |
|
|
>
|
| 170 |
|
|
menu item if necessary to do this.</P
|
| 171 |
|
|
></LI
|
| 172 |
|
|
><LI
|
| 173 |
|
|
><P
|
| 174 |
|
|
>Choose the
|
| 175 |
|
|
<SPAN
|
| 176 |
|
|
CLASS="emphasis"
|
| 177 |
|
|
><I
|
| 178 |
|
|
CLASS="EMPHASIS"
|
| 179 |
|
|
>Build->Templates</I
|
| 180 |
|
|
></SPAN
|
| 181 |
|
|
>
|
| 182 |
|
|
menu item, and then select the NEC CEB-V850/SA1 hardware.</P
|
| 183 |
|
|
></LI
|
| 184 |
|
|
><LI
|
| 185 |
|
|
><P
|
| 186 |
|
|
>While still displaying the
|
| 187 |
|
|
<SPAN
|
| 188 |
|
|
CLASS="emphasis"
|
| 189 |
|
|
><I
|
| 190 |
|
|
CLASS="EMPHASIS"
|
| 191 |
|
|
>Build->Templates</I
|
| 192 |
|
|
></SPAN
|
| 193 |
|
|
>
|
| 194 |
|
|
dialog box, select the “stubs” package template
|
| 195 |
|
|
to build a GDB stub. Click
|
| 196 |
|
|
<SPAN
|
| 197 |
|
|
CLASS="emphasis"
|
| 198 |
|
|
><I
|
| 199 |
|
|
CLASS="EMPHASIS"
|
| 200 |
|
|
>OK</I
|
| 201 |
|
|
></SPAN
|
| 202 |
|
|
>.</P
|
| 203 |
|
|
></LI
|
| 204 |
|
|
><LI
|
| 205 |
|
|
><P
|
| 206 |
|
|
>Build eCos using
|
| 207 |
|
|
<SPAN
|
| 208 |
|
|
CLASS="emphasis"
|
| 209 |
|
|
><I
|
| 210 |
|
|
CLASS="EMPHASIS"
|
| 211 |
|
|
>Build->Library</I
|
| 212 |
|
|
></SPAN
|
| 213 |
|
|
>. </P
|
| 214 |
|
|
></LI
|
| 215 |
|
|
><LI
|
| 216 |
|
|
><P
|
| 217 |
|
|
>When the build completes, the image files can be found
|
| 218 |
|
|
in the bin/ subdirectory of the install tree. GDB stub
|
| 219 |
|
|
ROM images have the prefix “gdb_module”.</P
|
| 220 |
|
|
></LI
|
| 221 |
|
|
></OL
|
| 222 |
|
|
></DIV
|
| 223 |
|
|
><DIV
|
| 224 |
|
|
CLASS="SECT4"
|
| 225 |
|
|
><H4
|
| 226 |
|
|
CLASS="SECT4"
|
| 227 |
|
|
><A
|
| 228 |
|
|
NAME="AEN4302">Building the ROM images with ecosconfig</H4
|
| 229 |
|
|
><P
|
| 230 |
|
|
></P
|
| 231 |
|
|
><OL
|
| 232 |
|
|
TYPE="1"
|
| 233 |
|
|
><LI
|
| 234 |
|
|
><P
|
| 235 |
|
|
>Make an empty directory to contain the build tree,
|
| 236 |
|
|
and cd into it. </P
|
| 237 |
|
|
></LI
|
| 238 |
|
|
><LI
|
| 239 |
|
|
><P
|
| 240 |
|
|
>To build a GDB stub ROM image, enter the command:
|
| 241 |
|
|
|
| 242 |
|
|
<TABLE
|
| 243 |
|
|
BORDER="5"
|
| 244 |
|
|
BGCOLOR="#E0E0F0"
|
| 245 |
|
|
WIDTH="70%"
|
| 246 |
|
|
><TR
|
| 247 |
|
|
><TD
|
| 248 |
|
|
><PRE
|
| 249 |
|
|
CLASS="PROGRAMLISTING"
|
| 250 |
|
|
>$ ecosconfig new ceb-v850 stubs </PRE
|
| 251 |
|
|
></TD
|
| 252 |
|
|
></TR
|
| 253 |
|
|
></TABLE
|
| 254 |
|
|
></P
|
| 255 |
|
|
></LI
|
| 256 |
|
|
><LI
|
| 257 |
|
|
><P
|
| 258 |
|
|
>Enter the commands:
|
| 259 |
|
|
|
| 260 |
|
|
<TABLE
|
| 261 |
|
|
BORDER="5"
|
| 262 |
|
|
BGCOLOR="#E0E0F0"
|
| 263 |
|
|
WIDTH="70%"
|
| 264 |
|
|
><TR
|
| 265 |
|
|
><TD
|
| 266 |
|
|
><PRE
|
| 267 |
|
|
CLASS="PROGRAMLISTING"
|
| 268 |
|
|
>$ ecosconfig tree
|
| 269 |
|
|
$ make</PRE
|
| 270 |
|
|
></TD
|
| 271 |
|
|
></TR
|
| 272 |
|
|
></TABLE
|
| 273 |
|
|
>
|
| 274 |
|
|
</P
|
| 275 |
|
|
></LI
|
| 276 |
|
|
><LI
|
| 277 |
|
|
><P
|
| 278 |
|
|
>When the build completes, the image files can be found
|
| 279 |
|
|
in the bin/ subdirectory of the install tree. GDB stub
|
| 280 |
|
|
ROM images have the prefix “gdb_module”.</P
|
| 281 |
|
|
></LI
|
| 282 |
|
|
></OL
|
| 283 |
|
|
></DIV
|
| 284 |
|
|
></DIV
|
| 285 |
|
|
><DIV
|
| 286 |
|
|
CLASS="SECT3"
|
| 287 |
|
|
><H3
|
| 288 |
|
|
CLASS="SECT3"
|
| 289 |
|
|
><A
|
| 290 |
|
|
NAME="AEN4315">Installing the Stubs into ROM or FLASH</H3
|
| 291 |
|
|
><P
|
| 292 |
|
|
></P
|
| 293 |
|
|
><OL
|
| 294 |
|
|
TYPE="1"
|
| 295 |
|
|
><LI
|
| 296 |
|
|
><P
|
| 297 |
|
|
> Program the binary image file gdb_module.bin
|
| 298 |
|
|
into ROM or FLASH referring to the instructions of your ROM
|
| 299 |
|
|
programmer. </P
|
| 300 |
|
|
></LI
|
| 301 |
|
|
><LI
|
| 302 |
|
|
><P
|
| 303 |
|
|
> Plug the ROM/FLASH into the socket as described
|
| 304 |
|
|
at the beginning of this section.</P
|
| 305 |
|
|
></LI
|
| 306 |
|
|
></OL
|
| 307 |
|
|
></DIV
|
| 308 |
|
|
></DIV
|
| 309 |
|
|
><DIV
|
| 310 |
|
|
CLASS="SECT2"
|
| 311 |
|
|
><H2
|
| 312 |
|
|
CLASS="SECT2"
|
| 313 |
|
|
><A
|
| 314 |
|
|
NAME="AEN4322">Debugging with the NEC V850 I.C.E.</H2
|
| 315 |
|
|
><P
|
| 316 |
|
|
>eCos applications may be debugged using the NEC V850 In Circuit
|
| 317 |
|
|
Emulator (I.C.E.) A PC running Microsoft Windows is required in
|
| 318 |
|
|
order to run the NEC ICE software and drivers. In addition Red Hat
|
| 319 |
|
|
have developed a “libremote” server application
|
| 320 |
|
|
named v850ice.exe which is used on the PC connected to the I.C.E.
|
| 321 |
|
|
in order to allow connections from GDB.</P
|
| 322 |
|
|
><P
|
| 323 |
|
|
>The I.C.E. must be physically connected to a Windows NT system
|
| 324 |
|
|
through NEC"s PCI or PC Card interface. A driver, DLLs,
|
| 325 |
|
|
and application are provided by NEC to control the I.C.E.</P
|
| 326 |
|
|
><P
|
| 327 |
|
|
>v850ice is a Cygwin based server that runs on the NT system
|
| 328 |
|
|
and provides an interface between the gdb client and the I.C.E.
|
| 329 |
|
|
software. v850-elf-gdb may be run on the Windows NT system or on
|
| 330 |
|
|
a remote system. v850-elf-gdb communicates with the libremote server
|
| 331 |
|
|
using the gdb remote protocol over a TCP/IP socket. v850ice
|
| 332 |
|
|
communicates with the I.C.E. by calling functions in the NECMSG.DLL provided
|
| 333 |
|
|
by NEC.</P
|
| 334 |
|
|
><DIV
|
| 335 |
|
|
CLASS="SECT3"
|
| 336 |
|
|
><H3
|
| 337 |
|
|
CLASS="SECT3"
|
| 338 |
|
|
><A
|
| 339 |
|
|
NAME="AEN4327">INITIAL SETUP</H3
|
| 340 |
|
|
><P
|
| 341 |
|
|
></P
|
| 342 |
|
|
><OL
|
| 343 |
|
|
TYPE="1"
|
| 344 |
|
|
><LI
|
| 345 |
|
|
><P
|
| 346 |
|
|
>Configure the hardware including the I.C.E., SA1 or
|
| 347 |
|
|
SB1 Option Module, and target board. Install the interface card
|
| 348 |
|
|
in the Windows NT system. Reference NEC"s documentation
|
| 349 |
|
|
for interface installation, jumper settings, etc.</P
|
| 350 |
|
|
></LI
|
| 351 |
|
|
><LI
|
| 352 |
|
|
><P
|
| 353 |
|
|
>Install the Windows NT device driver provided by NEC.</P
|
| 354 |
|
|
></LI
|
| 355 |
|
|
><LI
|
| 356 |
|
|
><P
|
| 357 |
|
|
>Copy the NEC DLLs, MDI application, and other support
|
| 358 |
|
|
files to a directory on the Windows NT system. The standard location
|
| 359 |
|
|
is C:\NecTools32. This directory will be referred to as
|
| 360 |
|
|
the "libremote server directory" in this document. v850ice.exe must
|
| 361 |
|
|
also be copied to this directory after being built. The required
|
| 362 |
|
|
files are: cpu.cfg, Nec.cfg, MDI.EXE, NECMSG.DLL, EX85032.DLL,
|
| 363 |
|
|
V850E.DLL, IE850.MON, IE850E.MON, and D3037A.800.</P
|
| 364 |
|
|
></LI
|
| 365 |
|
|
><LI
|
| 366 |
|
|
><P
|
| 367 |
|
|
>Make certain the file cpu.cfg contains the line:</P
|
| 368 |
|
|
><TABLE
|
| 369 |
|
|
BORDER="5"
|
| 370 |
|
|
BGCOLOR="#E0E0F0"
|
| 371 |
|
|
WIDTH="70%"
|
| 372 |
|
|
><TR
|
| 373 |
|
|
><TD
|
| 374 |
|
|
><PRE
|
| 375 |
|
|
CLASS="PROGRAMLISTING"
|
| 376 |
|
|
>CpuOption=SA1</PRE
|
| 377 |
|
|
></TD
|
| 378 |
|
|
></TR
|
| 379 |
|
|
></TABLE
|
| 380 |
|
|
><P
|
| 381 |
|
|
>if using a V850/SA1 module, or:</P
|
| 382 |
|
|
><TABLE
|
| 383 |
|
|
BORDER="5"
|
| 384 |
|
|
BGCOLOR="#E0E0F0"
|
| 385 |
|
|
WIDTH="70%"
|
| 386 |
|
|
><TR
|
| 387 |
|
|
><TD
|
| 388 |
|
|
><PRE
|
| 389 |
|
|
CLASS="PROGRAMLISTING"
|
| 390 |
|
|
>CpuOption=SB1</PRE
|
| 391 |
|
|
></TD
|
| 392 |
|
|
></TR
|
| 393 |
|
|
></TABLE
|
| 394 |
|
|
><P
|
| 395 |
|
|
>if using a V850/SB1 module.</P
|
| 396 |
|
|
></LI
|
| 397 |
|
|
><LI
|
| 398 |
|
|
><P
|
| 399 |
|
|
>Set the environment variable IEPATH to point to the libremote
|
| 400 |
|
|
server</P
|
| 401 |
|
|
><P
|
| 402 |
|
|
>directory.</P
|
| 403 |
|
|
></LI
|
| 404 |
|
|
></OL
|
| 405 |
|
|
></DIV
|
| 406 |
|
|
><DIV
|
| 407 |
|
|
CLASS="SECT3"
|
| 408 |
|
|
><H3
|
| 409 |
|
|
CLASS="SECT3"
|
| 410 |
|
|
><A
|
| 411 |
|
|
NAME="AEN4345">BUILD PROCEDURES</H3
|
| 412 |
|
|
><P
|
| 413 |
|
|
>A pre-built v850ice.exe executable is supplied in the loaders/v850-ceb_v850 directory
|
| 414 |
|
|
relative to the root of the eCos installation. However the following process
|
| 415 |
|
|
will allow the rebuilding of this executable if required:</P
|
| 416 |
|
|
><P
|
| 417 |
|
|
>For this example assume the v850ice libremote tree has been
|
| 418 |
|
|
copied to a directory named "server". The directory structure will
|
| 419 |
|
|
be similar to the following diagram:</P
|
| 420 |
|
|
><P
|
| 421 |
|
|
><TABLE
|
| 422 |
|
|
BORDER="5"
|
| 423 |
|
|
BGCOLOR="#E0E0F0"
|
| 424 |
|
|
WIDTH="70%"
|
| 425 |
|
|
><TR
|
| 426 |
|
|
><TD
|
| 427 |
|
|
><PRE
|
| 428 |
|
|
CLASS="PROGRAMLISTING"
|
| 429 |
|
|
> server
|
| 430 |
|
|
|
|
| 431 |
|
|
devo
|
| 432 |
|
|
/ \
|
| 433 |
|
|
config libremote
|
| 434 |
|
|
/ \
|
| 435 |
|
|
lib v850ice</PRE
|
| 436 |
|
|
></TD
|
| 437 |
|
|
></TR
|
| 438 |
|
|
></TABLE
|
| 439 |
|
|
></P
|
| 440 |
|
|
><P
|
| 441 |
|
|
>Build the v850ice source as follows. Be sure to use the native
|
| 442 |
|
|
Cygwin compiler tools that were supplied alongside eCos.</P
|
| 443 |
|
|
><P
|
| 444 |
|
|
>cd server
|
| 445 |
|
|
mkdir build
|
| 446 |
|
|
cd build
|
| 447 |
|
|
../devo/configure --target=v850-elf --host=i686-pc-cygwin
|
| 448 |
|
|
make</P
|
| 449 |
|
|
><P
|
| 450 |
|
|
>The resultant libremote server image (v850ice.exe) can be
|
| 451 |
|
|
found in build/libremote/v850ice. Copy v850ice.exe
|
| 452 |
|
|
to the lib remote server directory.</P
|
| 453 |
|
|
></DIV
|
| 454 |
|
|
><DIV
|
| 455 |
|
|
CLASS="SECT3"
|
| 456 |
|
|
><H3
|
| 457 |
|
|
CLASS="SECT3"
|
| 458 |
|
|
><A
|
| 459 |
|
|
NAME="AEN4354">V850ICE.EXE EXECUTION</H3
|
| 460 |
|
|
><P
|
| 461 |
|
|
>The v850ice command line syntax is:</P
|
| 462 |
|
|
><P
|
| 463 |
|
|
>v850ice [-d] [-t addr] [port number]</P
|
| 464 |
|
|
><P
|
| 465 |
|
|
>The optional -d option enables debug output. The -t option
|
| 466 |
|
|
is associated with thread debugging - see the "eCos thread debugging"
|
| 467 |
|
|
section below for details. By default v850ice listens on port 2345
|
| 468 |
|
|
for an attach request from a gdb client. A different port number
|
| 469 |
|
|
may be specified on the command line.</P
|
| 470 |
|
|
><P
|
| 471 |
|
|
>To run the libremote server:</P
|
| 472 |
|
|
><P
|
| 473 |
|
|
></P
|
| 474 |
|
|
><OL
|
| 475 |
|
|
TYPE="1"
|
| 476 |
|
|
><LI
|
| 477 |
|
|
><P
|
| 478 |
|
|
>Power on the I.C.E. and target board.</P
|
| 479 |
|
|
></LI
|
| 480 |
|
|
><LI
|
| 481 |
|
|
><P
|
| 482 |
|
|
>Open a Cygwin window.</P
|
| 483 |
|
|
></LI
|
| 484 |
|
|
><LI
|
| 485 |
|
|
><P
|
| 486 |
|
|
>Run v850ice.</P
|
| 487 |
|
|
></LI
|
| 488 |
|
|
><LI
|
| 489 |
|
|
><P
|
| 490 |
|
|
>You will see the MDI interface window appear. In this
|
| 491 |
|
|
window you should see the "Connected to In-Circuit Emulator" message.
|
| 492 |
|
|
In the Cygwin window, the libremote server will indicate it is
|
| 493 |
|
|
ready to accept a gdb client connection with the message "v850ice:
|
| 494 |
|
|
listening on port 2345."</P
|
| 495 |
|
|
></LI
|
| 496 |
|
|
></OL
|
| 497 |
|
|
></DIV
|
| 498 |
|
|
><DIV
|
| 499 |
|
|
CLASS="SECT3"
|
| 500 |
|
|
><H3
|
| 501 |
|
|
CLASS="SECT3"
|
| 502 |
|
|
><A
|
| 503 |
|
|
NAME="AEN4369">V850-ELF-GDB EXECUTION</H3
|
| 504 |
|
|
><P
|
| 505 |
|
|
>Run the v850-elf-gdb client to debug the V850 target. It
|
| 506 |
|
|
is necessary to issue certain configuration commands to the I.C.E.
|
| 507 |
|
|
software. These commands may be issued directly in the MDI window
|
| 508 |
|
|
or they may be issued from the gdb client through the "monitor"
|
| 509 |
|
|
command.</P
|
| 510 |
|
|
><P
|
| 511 |
|
|
>On the Cosmo CEB-V850 board, on-chip Flash is mapped at address
|
| 512 |
|
|
0x0, the on-board EPROM at 0x100000 and the on-board RAM at 0xfc0000.
|
| 513 |
|
|
Since a stand alone V850 will start executing from address 0x0 on
|
| 514 |
|
|
reset, it is normal to load either an application or a bootstrap
|
| 515 |
|
|
loader for Flash at this address. eCos programs may be built to
|
| 516 |
|
|
boot from Flash or the on-board EPROM. If building for the on-board
|
| 517 |
|
|
EPROM, it would be expected that the Flash will contain the default
|
| 518 |
|
|
CEB-V850 flash contents. An ELF format version of the default contents
|
| 519 |
|
|
may be found in the eCos distribution with the name v850flash.img.</P
|
| 520 |
|
|
><P
|
| 521 |
|
|
>In stand alone operation, normally the code in this flash image
|
| 522 |
|
|
would have been programmed into the V850 on the Cosmo board, and
|
| 523 |
|
|
this would cause it to vector into the on-board EPROM to run the
|
| 524 |
|
|
application located there. In the case of eCos, this application
|
| 525 |
|
|
may be a GDB stub ROM application, allowing the further download
|
| 526 |
|
|
to RAM over serial of actual applications to debug.</P
|
| 527 |
|
|
><P
|
| 528 |
|
|
>As an example, we shall demonstrate how to use the I.C.E.
|
| 529 |
|
|
to download the v850flash.img and GDB stub EPROM image using I.C.E.
|
| 530 |
|
|
emulator memory only, and not requiring any actual programming of
|
| 531 |
|
|
devices.</P
|
| 532 |
|
|
><P
|
| 533 |
|
|
>v850-elf-gdb -nw
|
| 534 |
|
|
(gdb) file v850flash.img
|
| 535 |
|
|
(gdb) target remote localhost:2345
|
| 536 |
|
|
(gdb) monitor reset
|
| 537 |
|
|
(gdb) monitor cpu r=256 a=16
|
| 538 |
|
|
(gdb) monitor map r=0x100000-L 0x80000
|
| 539 |
|
|
(gdb) monitor map u=0xfc0000-L 0x40000
|
| 540 |
|
|
(gdb) monitor pinmask k
|
| 541 |
|
|
(gdb) monitor step
|
| 542 |
|
|
(gdb) monitor step
|
| 543 |
|
|
(gdb) monitor step
|
| 544 |
|
|
(gdb) monitor step
|
| 545 |
|
|
(gdb) load
|
| 546 |
|
|
(gdb) detach
|
| 547 |
|
|
(gdb) file gdb_module.img
|
| 548 |
|
|
(gdb) target remote localhost:2345
|
| 549 |
|
|
(gdb) load
|
| 550 |
|
|
(gdb) continue</P
|
| 551 |
|
|
><P
|
| 552 |
|
|
>NOTE: The four "monitor step" commands are only required the
|
| 553 |
|
|
first time the board is connected to the I.C.E., otherwise the program
|
| 554 |
|
|
will fail.</P
|
| 555 |
|
|
><P
|
| 556 |
|
|
>This is because of a limitation of the I.C.E. hardware that
|
| 557 |
|
|
means that the first time it is used, the "map" commands are not
|
| 558 |
|
|
acted on and the addresses "0x100000" and "0xfc0000" are not mapped.
|
| 559 |
|
|
This can be observed using the command "td e-20" in the MDI application"s
|
| 560 |
|
|
console to display the trace buffer, which will show that the contents
|
| 561 |
|
|
of address 0x100000 are not valid. Subsequent runs do not require
|
| 562 |
|
|
the "monitor step" commands.</P
|
| 563 |
|
|
><P
|
| 564 |
|
|
>It is unusual to load two executable images to a target through
|
| 565 |
|
|
gdb. From the example above notice that this is accomplished by
|
| 566 |
|
|
attaching to the libremote server, loading the flash image, detaching,
|
| 567 |
|
|
reattaching, and loading the ROM/RAM image. It is more
|
| 568 |
|
|
normal to build an executable image that can be executed directly.
|
| 569 |
|
|
In eCos this is achieved by selecting either the ROM or ROMRAM startup
|
| 570 |
|
|
type, and optionally enable building for the internal FLASH. The
|
| 571 |
|
|
I.C.E. emulator memory can emulate both the internal FLASH and the
|
| 572 |
|
|
EPROM, so real hardware programming is not required.</P
|
| 573 |
|
|
><P
|
| 574 |
|
|
>Upon running this example you will notice that the libremote
|
| 575 |
|
|
server does not exit upon detecting a detach request, but simply
|
| 576 |
|
|
begins listening for the next attach request. To cause v850ice
|
| 577 |
|
|
to terminate, issue the "monitor quit" or "monitor exit" command
|
| 578 |
|
|
from the gdb client. v850ice will then terminate with the next
|
| 579 |
|
|
detach request. (You can also enter control-c in the Cygwin/DOS
|
| 580 |
|
|
window where v850ice is running.)</P
|
| 581 |
|
|
></DIV
|
| 582 |
|
|
><DIV
|
| 583 |
|
|
CLASS="SECT3"
|
| 584 |
|
|
><H3
|
| 585 |
|
|
CLASS="SECT3"
|
| 586 |
|
|
><A
|
| 587 |
|
|
NAME="AEN4380">MDI INTERFACE VS. GDB INTERFACE</H3
|
| 588 |
|
|
><P
|
| 589 |
|
|
>If a filename is referenced in an MDI command, whether the
|
| 590 |
|
|
command is entered in the MDI window or issued from the gdb client
|
| 591 |
|
|
with the monitor command, the file must reside on the Windows NT
|
| 592 |
|
|
libremote server system. When specifying a filename when entering
|
| 593 |
|
|
a command in the MDI window it is obvious that a server local file
|
| 594 |
|
|
is being referenced. When issuing an MDI command from the gdb client, the
|
| 595 |
|
|
user must remember that the command line is simply passed to the
|
| 596 |
|
|
I.C.E. software on the server system. The command is executed by
|
| 597 |
|
|
the I.C.E. software as though it were entered locally.</P
|
| 598 |
|
|
><P
|
| 599 |
|
|
>Executable images may be loaded into the V850 target by entering
|
| 600 |
|
|
the "load" command in the MDI window or with the gdb "load" command.
|
| 601 |
|
|
If the MDI load command is used, the executable image must be located
|
| 602 |
|
|
on the server system and must be in S Record format. If the gdb
|
| 603 |
|
|
load command is used, the executable image must be located on the
|
| 604 |
|
|
client system and must be in ELF format.</P
|
| 605 |
|
|
><P
|
| 606 |
|
|
>Be aware that the gdb client is not aware of debugger commands
|
| 607 |
|
|
issued from the MDI window. It is possible to cause the gdb client
|
| 608 |
|
|
and the I.C.E. software to get out of sync by issuing commands from
|
| 609 |
|
|
both interfaces during the same debugging session.</P
|
| 610 |
|
|
></DIV
|
| 611 |
|
|
><DIV
|
| 612 |
|
|
CLASS="SECT3"
|
| 613 |
|
|
><H3
|
| 614 |
|
|
CLASS="SECT3"
|
| 615 |
|
|
><A
|
| 616 |
|
|
NAME="AEN4385">eCos THREAD DEBUGGING</H3
|
| 617 |
|
|
><P
|
| 618 |
|
|
>eCos and the V850 I.C.E. libremote server have been written
|
| 619 |
|
|
to work together to allow debugging of eCos threads. This is an
|
| 620 |
|
|
optional feature, disabled by default because of the overheads trying
|
| 621 |
|
|
to detect a threaded program involves.</P
|
| 622 |
|
|
><P
|
| 623 |
|
|
>Obviously thread debugging is not possible for programs with
|
| 624 |
|
|
"RAM" startup type, as they are expected to operate underneath a
|
| 625 |
|
|
separate ROM monitor (such as a GDB stub ROM), that itself would
|
| 626 |
|
|
provide its own thread debugging capabilities over the serial line.
|
| 627 |
|
|
Thread debugging is relevant only for programs built for Flash, ROM,
|
| 628 |
|
|
or ROMRAM startup.</P
|
| 629 |
|
|
><P
|
| 630 |
|
|
>To configure the libremote server to support thread debugging,
|
| 631 |
|
|
use the command:</P
|
| 632 |
|
|
><P
|
| 633 |
|
|
><TABLE
|
| 634 |
|
|
BORDER="5"
|
| 635 |
|
|
BGCOLOR="#E0E0F0"
|
| 636 |
|
|
WIDTH="70%"
|
| 637 |
|
|
><TR
|
| 638 |
|
|
><TD
|
| 639 |
|
|
><PRE
|
| 640 |
|
|
CLASS="PROGRAMLISTING"
|
| 641 |
|
|
>(gdb) monitor syscallinfo ADDRESS</PRE
|
| 642 |
|
|
></TD
|
| 643 |
|
|
></TR
|
| 644 |
|
|
></TABLE
|
| 645 |
|
|
></P
|
| 646 |
|
|
><P
|
| 647 |
|
|
>at the GDB console prompt, where ADDRESS is the address of
|
| 648 |
|
|
the syscall information structure included in the applications.
|
| 649 |
|
|
In eCos this has been designed to be located at a consistent address
|
| 650 |
|
|
for each CPU model (V850/SA1 or V850/SB1). It
|
| 651 |
|
|
may be determined from an eCos executable using the following command
|
| 652 |
|
|
at a cygwin bash prompt:</P
|
| 653 |
|
|
><P
|
| 654 |
|
|
><TABLE
|
| 655 |
|
|
BORDER="5"
|
| 656 |
|
|
BGCOLOR="#E0E0F0"
|
| 657 |
|
|
WIDTH="70%"
|
| 658 |
|
|
><TR
|
| 659 |
|
|
><TD
|
| 660 |
|
|
><PRE
|
| 661 |
|
|
CLASS="PROGRAMLISTING"
|
| 662 |
|
|
>v850-elf-nm EXECUTABLE | grep hal_v85x_ice_syscall_info</PRE
|
| 663 |
|
|
></TD
|
| 664 |
|
|
></TR
|
| 665 |
|
|
></TABLE
|
| 666 |
|
|
></P
|
| 667 |
|
|
><P
|
| 668 |
|
|
>At the current time, this address is 0xfc0400 for a Cosmo
|
| 669 |
|
|
board fitted with a V850/SA1, or 0xfc0540 for a Cosmo board
|
| 670 |
|
|
fitted with a V850/SB1.</P
|
| 671 |
|
|
><P
|
| 672 |
|
|
>So for example, the GDB command for the SB1 would be:</P
|
| 673 |
|
|
><P
|
| 674 |
|
|
><TABLE
|
| 675 |
|
|
BORDER="5"
|
| 676 |
|
|
BGCOLOR="#E0E0F0"
|
| 677 |
|
|
WIDTH="70%"
|
| 678 |
|
|
><TR
|
| 679 |
|
|
><TD
|
| 680 |
|
|
><PRE
|
| 681 |
|
|
CLASS="PROGRAMLISTING"
|
| 682 |
|
|
>(gdb) monitor syscallinfo 0xfc0540</PRE
|
| 683 |
|
|
></TD
|
| 684 |
|
|
></TR
|
| 685 |
|
|
></TABLE
|
| 686 |
|
|
></P
|
| 687 |
|
|
><P
|
| 688 |
|
|
>Given that the syscallinfo address is fixed over all eCos
|
| 689 |
|
|
executables for a given target, it is possible to define it on the
|
| 690 |
|
|
libremote command line as well using the "-t" option, for example:</P
|
| 691 |
|
|
><P
|
| 692 |
|
|
><TABLE
|
| 693 |
|
|
BORDER="5"
|
| 694 |
|
|
BGCOLOR="#E0E0F0"
|
| 695 |
|
|
WIDTH="70%"
|
| 696 |
|
|
><TR
|
| 697 |
|
|
><TD
|
| 698 |
|
|
><PRE
|
| 699 |
|
|
CLASS="PROGRAMLISTING"
|
| 700 |
|
|
>bash$ v850ice -t 0xfc0400
|
| 701 |
|
|
v850ice: listening on port 2345</PRE
|
| 702 |
|
|
></TD
|
| 703 |
|
|
></TR
|
| 704 |
|
|
></TABLE
|
| 705 |
|
|
></P
|
| 706 |
|
|
></DIV
|
| 707 |
|
|
></DIV
|
| 708 |
|
|
></DIV
|
| 709 |
|
|
><DIV
|
| 710 |
|
|
CLASS="NAVFOOTER"
|
| 711 |
|
|
><HR
|
| 712 |
|
|
ALIGN="LEFT"
|
| 713 |
|
|
WIDTH="100%"><TABLE
|
| 714 |
|
|
SUMMARY="Footer navigation table"
|
| 715 |
|
|
WIDTH="100%"
|
| 716 |
|
|
BORDER="0"
|
| 717 |
|
|
CELLPADDING="0"
|
| 718 |
|
|
CELLSPACING="0"
|
| 719 |
|
|
><TR
|
| 720 |
|
|
><TD
|
| 721 |
|
|
WIDTH="33%"
|
| 722 |
|
|
ALIGN="left"
|
| 723 |
|
|
VALIGN="top"
|
| 724 |
|
|
><A
|
| 725 |
|
|
HREF="setup-sh-se7751.html"
|
| 726 |
|
|
ACCESSKEY="P"
|
| 727 |
|
|
>Prev</A
|
| 728 |
|
|
></TD
|
| 729 |
|
|
><TD
|
| 730 |
|
|
WIDTH="34%"
|
| 731 |
|
|
ALIGN="center"
|
| 732 |
|
|
VALIGN="top"
|
| 733 |
|
|
><A
|
| 734 |
|
|
HREF="ecos-user-guide.html"
|
| 735 |
|
|
ACCESSKEY="H"
|
| 736 |
|
|
>Home</A
|
| 737 |
|
|
></TD
|
| 738 |
|
|
><TD
|
| 739 |
|
|
WIDTH="33%"
|
| 740 |
|
|
ALIGN="right"
|
| 741 |
|
|
VALIGN="top"
|
| 742 |
|
|
><A
|
| 743 |
|
|
HREF="setup-v850-cebsb1.html"
|
| 744 |
|
|
ACCESSKEY="N"
|
| 745 |
|
|
>Next</A
|
| 746 |
|
|
></TD
|
| 747 |
|
|
></TR
|
| 748 |
|
|
><TR
|
| 749 |
|
|
><TD
|
| 750 |
|
|
WIDTH="33%"
|
| 751 |
|
|
ALIGN="left"
|
| 752 |
|
|
VALIGN="top"
|
| 753 |
|
|
>SH4/SE7751 Hardware Setup</TD
|
| 754 |
|
|
><TD
|
| 755 |
|
|
WIDTH="34%"
|
| 756 |
|
|
ALIGN="center"
|
| 757 |
|
|
VALIGN="top"
|
| 758 |
|
|
><A
|
| 759 |
|
|
HREF="appendix-target-setup.html"
|
| 760 |
|
|
ACCESSKEY="U"
|
| 761 |
|
|
>Up</A
|
| 762 |
|
|
></TD
|
| 763 |
|
|
><TD
|
| 764 |
|
|
WIDTH="33%"
|
| 765 |
|
|
ALIGN="right"
|
| 766 |
|
|
VALIGN="top"
|
| 767 |
|
|
>NEC CEB-V850/SB1 Hardware Setup</TD
|
| 768 |
|
|
></TR
|
| 769 |
|
|
></TABLE
|
| 770 |
|
|
></DIV
|
| 771 |
|
|
></BODY
|
| 772 |
|
|
></HTML
|
| 773 |
|
|
>
|
