| 1 |
2 |
olivier.gi |
#------------------------------------------------------------------------------
|
| 2 |
|
|
# Copyright (C) 2001 Authors
|
| 3 |
|
|
#
|
| 4 |
|
|
# This source file may be used and distributed without restriction provided
|
| 5 |
|
|
# that this copyright statement is not removed from the file and that any
|
| 6 |
|
|
# derivative work contains the original copyright notice and the associated
|
| 7 |
|
|
# disclaimer.
|
| 8 |
|
|
#
|
| 9 |
|
|
# This source file is free software; you can redistribute it and/or modify
|
| 10 |
|
|
# it under the terms of the GNU Lesser General Public License as published
|
| 11 |
|
|
# by the Free Software Foundation; either version 2.1 of the License, or
|
| 12 |
|
|
# (at your option) any later version.
|
| 13 |
|
|
#
|
| 14 |
|
|
# This source is distributed in the hope that it will be useful, but WITHOUT
|
| 15 |
|
|
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
| 16 |
|
|
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
|
| 17 |
|
|
# License for more details.
|
| 18 |
|
|
#
|
| 19 |
|
|
# You should have received a copy of the GNU Lesser General Public License
|
| 20 |
|
|
# along with this source; if not, write to the Free Software Foundation,
|
| 21 |
|
|
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
| 22 |
|
|
#
|
| 23 |
|
|
#------------------------------------------------------------------------------
|
| 24 |
|
|
#
|
| 25 |
|
|
# File Name: dbg_functions.tcl
|
| 26 |
|
|
#
|
| 27 |
15 |
olivier.gi |
# Author(s):
|
| 28 |
|
|
# - Olivier Girard, olgirard@gmail.com
|
| 29 |
|
|
#
|
| 30 |
|
|
#------------------------------------------------------------------------------
|
| 31 |
|
|
# $Rev: 114 $
|
| 32 |
|
|
# $LastChangedBy: olivier.girard $
|
| 33 |
|
|
# $LastChangedDate: 2011-05-26 22:18:29 +0200 (Thu, 26 May 2011) $
|
| 34 |
|
|
#------------------------------------------------------------------------------
|
| 35 |
|
|
#
|
| 36 |
2 |
olivier.gi |
# Description: Main utility functions for the openMSP430 serial debug
|
| 37 |
|
|
# interface.
|
| 38 |
|
|
#
|
| 39 |
|
|
# The following functions are implemented according to the SLAA149
|
| 40 |
|
|
# application report from TI (Programming a Flash-Based MSP430 Using the
|
| 41 |
|
|
# JTAG Interface):
|
| 42 |
|
|
#
|
| 43 |
|
|
# - ExecutePOR ()
|
| 44 |
|
|
# - SetPC (Addr)
|
| 45 |
|
|
# - HaltCPU ()
|
| 46 |
|
|
# - ReleaseCPU ()
|
| 47 |
|
|
# - GetDevice ()
|
| 48 |
|
|
# - ReleaseDevice (Addr)
|
| 49 |
|
|
# - WriteMem (Format, Addr, Data)
|
| 50 |
|
|
# - WriteMemQuick (StartAddr, DataArray)
|
| 51 |
|
|
# - ReadMem (Format, Addr)
|
| 52 |
|
|
# - ReadMemQuick (StartAddr, Length)
|
| 53 |
|
|
# - VerifyMem (StartAddr, DataArray)
|
| 54 |
|
|
#
|
| 55 |
|
|
#
|
| 56 |
|
|
# The following have been added:
|
| 57 |
|
|
#
|
| 58 |
|
|
# - ExecutePOR_Halt ()
|
| 59 |
|
|
# - GetCPU_ID ()
|
| 60 |
|
|
# - GetCPU_ID_SIZE ()
|
| 61 |
74 |
olivier.gi |
# - VerifyCPU_ID ()
|
| 62 |
2 |
olivier.gi |
# - WriteReg (Addr, Data)
|
| 63 |
|
|
# - WriteRegAll (DataArray)
|
| 64 |
|
|
# - ReadReg (Addr)
|
| 65 |
|
|
# - ReadRegAll ()
|
| 66 |
|
|
# - WriteMemQuick8 (StartAddr, DataArray)
|
| 67 |
|
|
# - ReadMemQuick8 (StartAddr, Length)
|
| 68 |
|
|
# - StepCPU ()
|
| 69 |
|
|
# - EraseRAM ()
|
| 70 |
|
|
# - EraseROM ()
|
| 71 |
|
|
# - InitBreakUnits ()
|
| 72 |
|
|
# - SetHWBreak (Type, Addr, Rd, Wr)
|
| 73 |
|
|
# - ClearHWBreak (Type, Addr)
|
| 74 |
|
|
# - IsHalted ()
|
| 75 |
|
|
# - ClrStatus ()
|
| 76 |
110 |
olivier.gi |
# - GetChipAlias ()
|
| 77 |
2 |
olivier.gi |
#
|
| 78 |
|
|
#------------------------------------------------------------------------------
|
| 79 |
|
|
|
| 80 |
|
|
# GLOBAL VARIABLES
|
| 81 |
|
|
global hw_break
|
| 82 |
110 |
olivier.gi |
global omsp_info
|
| 83 |
|
|
set omsp_info(connected) 0
|
| 84 |
2 |
olivier.gi |
|
| 85 |
|
|
# SOURCE REQUIRED LIBRARIES
|
| 86 |
110 |
olivier.gi |
set scriptDir [file dirname [info script]]
|
| 87 |
|
|
source $scriptDir/dbg_uart.tcl
|
| 88 |
|
|
source $scriptDir/xml.tcl
|
| 89 |
2 |
olivier.gi |
|
| 90 |
110 |
olivier.gi |
|
| 91 |
2 |
olivier.gi |
#=============================================================================#
|
| 92 |
|
|
# ExecutePOR () #
|
| 93 |
|
|
#-----------------------------------------------------------------------------#
|
| 94 |
|
|
# Description: Executes a power-up clear (PUC) command. #
|
| 95 |
|
|
# Arguments : None. #
|
| 96 |
|
|
# Result : 0 if error, 1 otherwise. #
|
| 97 |
|
|
#=============================================================================#
|
| 98 |
|
|
proc ExecutePOR {} {
|
| 99 |
|
|
|
| 100 |
|
|
# Set PUC
|
| 101 |
|
|
set cpu_ctl_org [dbg_uart_rd CPU_CTL]
|
| 102 |
|
|
set cpu_ctl_new [expr 0x40 | $cpu_ctl_org]
|
| 103 |
|
|
dbg_uart_wr CPU_CTL $cpu_ctl_new
|
| 104 |
|
|
|
| 105 |
|
|
# Remove PUC, clear break after reset
|
| 106 |
|
|
set cpu_ctl_org [expr 0x5f & $cpu_ctl_org]
|
| 107 |
|
|
dbg_uart_wr CPU_CTL $cpu_ctl_org
|
| 108 |
|
|
|
| 109 |
|
|
# Check CPU ID
|
| 110 |
74 |
olivier.gi |
if {![VerifyCPU_ID]} {
|
| 111 |
110 |
olivier.gi |
return 0
|
| 112 |
2 |
olivier.gi |
}
|
| 113 |
|
|
|
| 114 |
|
|
# Check status: make sure a PUC occured
|
| 115 |
|
|
set cpu_stat_val [dbg_uart_rd CPU_STAT]
|
| 116 |
|
|
set puc_pnd [expr 0x04 & $cpu_stat_val]
|
| 117 |
|
|
if {![string eq $puc_pnd 4]} {
|
| 118 |
110 |
olivier.gi |
return 0
|
| 119 |
2 |
olivier.gi |
}
|
| 120 |
|
|
|
| 121 |
|
|
# Clear PUC pending flag
|
| 122 |
|
|
dbg_uart_wr CPU_STAT 0x04
|
| 123 |
|
|
|
| 124 |
110 |
olivier.gi |
return 1
|
| 125 |
2 |
olivier.gi |
}
|
| 126 |
|
|
|
| 127 |
|
|
#=============================================================================#
|
| 128 |
|
|
# SetPC (Addr) #
|
| 129 |
|
|
#-----------------------------------------------------------------------------#
|
| 130 |
|
|
# Description: Loads the target device CPU's program counter (PC) with the #
|
| 131 |
|
|
# desired 16-bit address. #
|
| 132 |
|
|
# Arguments : Addr - Desired 16-bit PC value (in hexadecimal). #
|
| 133 |
|
|
# Result : 0 if error, 1 otherwise. #
|
| 134 |
|
|
#=============================================================================#
|
| 135 |
|
|
proc SetPC {Addr} {
|
| 136 |
|
|
|
| 137 |
|
|
return [WriteReg 0 $Addr]
|
| 138 |
|
|
}
|
| 139 |
|
|
|
| 140 |
|
|
#=============================================================================#
|
| 141 |
|
|
# HaltCPU () #
|
| 142 |
|
|
#-----------------------------------------------------------------------------#
|
| 143 |
|
|
# Description: Sends the target CPU into a controlled, stopped state. #
|
| 144 |
|
|
# Arguments : None. #
|
| 145 |
|
|
# Result : 0 if error, 1 otherwise. #
|
| 146 |
|
|
#=============================================================================#
|
| 147 |
|
|
proc HaltCPU {} {
|
| 148 |
|
|
|
| 149 |
|
|
set result 1
|
| 150 |
|
|
|
| 151 |
|
|
# Stop CPU
|
| 152 |
|
|
set cpu_ctl_org [dbg_uart_rd CPU_CTL]
|
| 153 |
|
|
set cpu_ctl_new [expr 0x01 | $cpu_ctl_org]
|
| 154 |
|
|
dbg_uart_wr CPU_CTL $cpu_ctl_new
|
| 155 |
|
|
|
| 156 |
|
|
# Check status: make sure the CPU halted
|
| 157 |
|
|
set cpu_stat_val [dbg_uart_rd CPU_STAT]
|
| 158 |
|
|
set halted [expr 0x01 & $cpu_stat_val]
|
| 159 |
|
|
if {![string eq $halted 1]} {
|
| 160 |
|
|
set result 0
|
| 161 |
|
|
}
|
| 162 |
|
|
|
| 163 |
|
|
return $result
|
| 164 |
|
|
}
|
| 165 |
|
|
|
| 166 |
|
|
#=============================================================================#
|
| 167 |
|
|
# ReleaseCPU () #
|
| 168 |
|
|
#-----------------------------------------------------------------------------#
|
| 169 |
|
|
# Description: Releases the target device's CPU from the controlled, stopped #
|
| 170 |
|
|
# state. (Does not release the target device from debug control.)#
|
| 171 |
|
|
# Arguments : None. #
|
| 172 |
|
|
# Result : 0 if error, 1 otherwise. #
|
| 173 |
|
|
#=============================================================================#
|
| 174 |
|
|
proc ReleaseCPU {} {
|
| 175 |
|
|
|
| 176 |
|
|
set result 1
|
| 177 |
|
|
|
| 178 |
|
|
# Start CPU
|
| 179 |
|
|
set cpu_ctl_org [dbg_uart_rd CPU_CTL]
|
| 180 |
|
|
set cpu_ctl_new [expr 0x02 | $cpu_ctl_org]
|
| 181 |
|
|
dbg_uart_wr CPU_CTL $cpu_ctl_new
|
| 182 |
|
|
|
| 183 |
|
|
# Check status: make sure the CPU runs
|
| 184 |
|
|
set cpu_stat_val [dbg_uart_rd CPU_STAT]
|
| 185 |
|
|
set halted [expr 0x01 & $cpu_stat_val]
|
| 186 |
|
|
if {![string eq $halted 0]} {
|
| 187 |
|
|
set result 0
|
| 188 |
|
|
}
|
| 189 |
|
|
|
| 190 |
|
|
return $result
|
| 191 |
|
|
}
|
| 192 |
|
|
|
| 193 |
|
|
#=============================================================================#
|
| 194 |
|
|
# GetDevice () #
|
| 195 |
|
|
#-----------------------------------------------------------------------------#
|
| 196 |
|
|
# Description: Takes the target MSP430 device under JTAG control. #
|
| 197 |
|
|
# Enable the auto-freeze feature of timers when in the CPU is #
|
| 198 |
|
|
# stopped. This prevents an automatic watchdog reset condition. #
|
| 199 |
|
|
# Enables software breakpoints. #
|
| 200 |
|
|
# Arguments : None. #
|
| 201 |
|
|
# Result : 0 if error, 1 otherwise. #
|
| 202 |
|
|
#=============================================================================#
|
| 203 |
|
|
proc GetDevice {} {
|
| 204 |
|
|
|
| 205 |
|
|
global hw_break
|
| 206 |
110 |
olivier.gi |
global omsp_info
|
| 207 |
2 |
olivier.gi |
|
| 208 |
|
|
# Set UART global variables
|
| 209 |
|
|
if {![info exists ::serial_baudrate]} {
|
| 210 |
|
|
set ::serial_baudrate 9600
|
| 211 |
|
|
}
|
| 212 |
|
|
if {![info exists ::serial_device]} {
|
| 213 |
|
|
set ::serial_device /dev/ttyUSB0
|
| 214 |
|
|
}
|
| 215 |
|
|
|
| 216 |
|
|
# Open connection
|
| 217 |
|
|
if {![dbg_uart_connect $::serial_device $::serial_baudrate]} {
|
| 218 |
|
|
return 0
|
| 219 |
|
|
}
|
| 220 |
|
|
|
| 221 |
110 |
olivier.gi |
if {[VerifyCPU_ID]} {
|
| 222 |
2 |
olivier.gi |
|
| 223 |
110 |
olivier.gi |
# Enable auto-freeze & software breakpoints
|
| 224 |
|
|
dbg_uart_wr CPU_CTL 0x0018
|
| 225 |
2 |
olivier.gi |
|
| 226 |
110 |
olivier.gi |
# Initialize the omsp_info global variable
|
| 227 |
|
|
GetCPU_ID
|
| 228 |
|
|
set omsp_info(connected) 1
|
| 229 |
|
|
|
| 230 |
|
|
# Get number of hardware breakpoints
|
| 231 |
|
|
set hw_break(num) [InitBreakUnits]
|
| 232 |
|
|
set omsp_info(hw_break) $hw_break(num)
|
| 233 |
|
|
|
| 234 |
|
|
|
| 235 |
|
|
return 1
|
| 236 |
|
|
} else {
|
| 237 |
|
|
return 0
|
| 238 |
|
|
}
|
| 239 |
2 |
olivier.gi |
}
|
| 240 |
|
|
|
| 241 |
|
|
#=============================================================================#
|
| 242 |
|
|
# ReleaseDevice (Addr) #
|
| 243 |
|
|
#-----------------------------------------------------------------------------#
|
| 244 |
|
|
# Description: Releases the target device from JTAG control; CPU starts #
|
| 245 |
|
|
# execution at the specified PC address. #
|
| 246 |
|
|
# Arguments : Addr - (0xfffe: perform reset; address at reset vector loaded #
|
| 247 |
|
|
# into PC; otherwise address specified by Addr loaded into PC #
|
| 248 |
|
|
# Result : 0 if error, 1 otherwise. #
|
| 249 |
|
|
#=============================================================================#
|
| 250 |
|
|
proc ReleaseDevice {Addr} {
|
| 251 |
|
|
|
| 252 |
|
|
if {[expr $Addr]==[expr 0xfffe]} {
|
| 253 |
|
|
set result 1
|
| 254 |
|
|
set result [expr $result+[ExecutePOR]]
|
| 255 |
|
|
set result [expr $result+[ReleaseCPU]]
|
| 256 |
|
|
} else {
|
| 257 |
|
|
set result 0
|
| 258 |
|
|
set result [expr $result+[HaltCPU]]
|
| 259 |
|
|
set result [expr $result+[SetPC $Addr]]
|
| 260 |
|
|
set result [expr $result+[ReleaseCPU]]
|
| 261 |
|
|
}
|
| 262 |
|
|
|
| 263 |
|
|
if {$result==3} {
|
| 264 |
|
|
return 1
|
| 265 |
|
|
} else {
|
| 266 |
|
|
return 0
|
| 267 |
|
|
}
|
| 268 |
|
|
}
|
| 269 |
|
|
|
| 270 |
|
|
#=============================================================================#
|
| 271 |
|
|
# WriteMem (Format, Addr, Data) #
|
| 272 |
|
|
#-----------------------------------------------------------------------------#
|
| 273 |
|
|
# Description: Write a single byte or word to a given address (RAM, ROM & #
|
| 274 |
|
|
# Peripherals. #
|
| 275 |
|
|
# Arguments : Format - 0 to write a word, 1 to write a byte. #
|
| 276 |
|
|
# Addr - Destination address for data to be written. #
|
| 277 |
|
|
# Data - Data value to be written. #
|
| 278 |
|
|
# Result : 0 if error, 1 otherwise. #
|
| 279 |
|
|
#=============================================================================#
|
| 280 |
|
|
proc WriteMem {Format Addr Data} {
|
| 281 |
|
|
|
| 282 |
|
|
dbg_uart_wr MEM_CNT 0x0000
|
| 283 |
|
|
dbg_uart_wr MEM_ADDR $Addr
|
| 284 |
|
|
dbg_uart_wr MEM_DATA $Data
|
| 285 |
|
|
|
| 286 |
|
|
if {$Format==0} {
|
| 287 |
|
|
dbg_uart_wr MEM_CTL 0x0003
|
| 288 |
|
|
} else {
|
| 289 |
|
|
dbg_uart_wr MEM_CTL 0x000b
|
| 290 |
|
|
}
|
| 291 |
|
|
|
| 292 |
|
|
return 1
|
| 293 |
|
|
}
|
| 294 |
|
|
|
| 295 |
|
|
#=============================================================================#
|
| 296 |
|
|
# WriteMemQuick (StartAddr, DataArray) #
|
| 297 |
|
|
#-----------------------------------------------------------------------------#
|
| 298 |
|
|
# Description: Writes an array of words into the target device memory (RAM, #
|
| 299 |
|
|
# ROM & Peripherals. #
|
| 300 |
|
|
# Arguments : StartAddr - Start address of destination memory. #
|
| 301 |
|
|
# DataArray - List of data to be written (in hexadecimal). #
|
| 302 |
|
|
# Result : 0 if error, 1 otherwise. #
|
| 303 |
|
|
#=============================================================================#
|
| 304 |
|
|
proc WriteMemQuick {StartAddr DataArray} {
|
| 305 |
|
|
|
| 306 |
|
|
if {[llength $DataArray]==1} {
|
| 307 |
|
|
WriteMem 0 $StartAddr $DataArray
|
| 308 |
|
|
} else {
|
| 309 |
|
|
|
| 310 |
|
|
dbg_uart_wr MEM_CNT [expr [llength $DataArray]-1]
|
| 311 |
|
|
dbg_uart_wr MEM_ADDR $StartAddr
|
| 312 |
|
|
dbg_uart_wr MEM_CTL 0x0003
|
| 313 |
|
|
|
| 314 |
|
|
foreach data [split $DataArray] {
|
| 315 |
|
|
|
| 316 |
|
|
# Format data
|
| 317 |
|
|
set data [format %04x $data]
|
| 318 |
|
|
regexp {(..)(..)} $data match data_msb data_lsb
|
| 319 |
|
|
|
| 320 |
|
|
# Send data
|
| 321 |
|
|
dbg_uart_tx "0x$data_lsb 0x$data_msb"
|
| 322 |
|
|
}
|
| 323 |
|
|
}
|
| 324 |
|
|
return 1
|
| 325 |
|
|
}
|
| 326 |
|
|
|
| 327 |
|
|
#=============================================================================#
|
| 328 |
|
|
# ReadMem (Format, Addr) #
|
| 329 |
|
|
#-----------------------------------------------------------------------------#
|
| 330 |
|
|
# Description: Read one byte or word from a specified target memory address. #
|
| 331 |
|
|
# Arguments : Format - 0 to read a word, 1 to read a byte. #
|
| 332 |
|
|
# Addr - Target address for data to be read. #
|
| 333 |
|
|
# Result : Data value stored in the target address memory location. #
|
| 334 |
|
|
#=============================================================================#
|
| 335 |
|
|
proc ReadMem {Format Addr} {
|
| 336 |
|
|
|
| 337 |
|
|
dbg_uart_wr MEM_CNT 0x0000
|
| 338 |
|
|
dbg_uart_wr MEM_ADDR $Addr
|
| 339 |
|
|
|
| 340 |
|
|
if {$Format==0} {
|
| 341 |
|
|
dbg_uart_wr MEM_CTL 0x0001
|
| 342 |
|
|
set mem_val [dbg_uart_rd MEM_DATA]
|
| 343 |
|
|
} else {
|
| 344 |
|
|
dbg_uart_wr MEM_CTL 0x0009
|
| 345 |
|
|
set mem_val [dbg_uart_rd MEM_DATA]
|
| 346 |
|
|
set mem_val [format "0x%02x" $mem_val]
|
| 347 |
|
|
}
|
| 348 |
|
|
|
| 349 |
|
|
return $mem_val
|
| 350 |
|
|
}
|
| 351 |
|
|
|
| 352 |
|
|
#=============================================================================#
|
| 353 |
|
|
# ReadMemQuick (StartAddr, Length) #
|
| 354 |
|
|
#-----------------------------------------------------------------------------#
|
| 355 |
|
|
# Description: Reads an array of words from target memory. #
|
| 356 |
|
|
# Arguments : StartAddr - Start address of target memory to be read. #
|
| 357 |
|
|
# Length - Number of word to be read. #
|
| 358 |
|
|
# Result : List of data values stored in the target memory. #
|
| 359 |
|
|
#=============================================================================#
|
| 360 |
|
|
proc ReadMemQuick {StartAddr Length} {
|
| 361 |
|
|
|
| 362 |
|
|
if {$Length==1} {
|
| 363 |
|
|
set mem_val [ReadMem 0 $StartAddr]
|
| 364 |
|
|
} else {
|
| 365 |
|
|
|
| 366 |
|
|
dbg_uart_wr MEM_CNT [expr $Length-1]
|
| 367 |
|
|
dbg_uart_wr MEM_ADDR $StartAddr
|
| 368 |
|
|
dbg_uart_wr MEM_CTL 0x0001
|
| 369 |
|
|
|
| 370 |
|
|
set mem_val [dbg_uart_rx 0 [expr $Length*2]]
|
| 371 |
|
|
}
|
| 372 |
|
|
return $mem_val
|
| 373 |
|
|
}
|
| 374 |
|
|
|
| 375 |
|
|
#=============================================================================#
|
| 376 |
|
|
# VerifyMem (StartAddr, DataArray) #
|
| 377 |
|
|
#-----------------------------------------------------------------------------#
|
| 378 |
|
|
# Description: Performs a program verification over the given memory range. #
|
| 379 |
|
|
# Arguments : StartAddr - Start address of the memory to be verified. #
|
| 380 |
|
|
# DataArray - List of reference data (in hexadecimal). #
|
| 381 |
|
|
# Result : 0 if error, 1 if verification was successful. #
|
| 382 |
|
|
#=============================================================================#
|
| 383 |
77 |
olivier.gi |
proc VerifyMem {StartAddr DataArray {DumpOnError 0}} {
|
| 384 |
2 |
olivier.gi |
|
| 385 |
|
|
dbg_uart_wr MEM_CNT [expr [llength $DataArray]-1]
|
| 386 |
|
|
dbg_uart_wr MEM_ADDR $StartAddr
|
| 387 |
|
|
dbg_uart_wr MEM_CTL 0x0001
|
| 388 |
|
|
|
| 389 |
|
|
set mem_val [dbg_uart_rx 0 [expr [llength $DataArray]*2]]
|
| 390 |
|
|
|
| 391 |
74 |
olivier.gi |
set return_val [string equal $DataArray $mem_val]
|
| 392 |
|
|
|
| 393 |
77 |
olivier.gi |
if {($return_val==0) && ($DumpOnError==1)} {
|
| 394 |
|
|
file delete -force openmsp430-verifymem-debug-original.mem
|
| 395 |
|
|
file delete -force openmsp430-verifymem-debug-dumped.mem
|
| 396 |
|
|
set fileId [open openmsp430-verifymem-debug-original.mem "w"]
|
| 397 |
|
|
foreach hexCode $DataArray {
|
| 398 |
|
|
puts $fileId $hexCode
|
| 399 |
|
|
}
|
| 400 |
|
|
close $fileId
|
| 401 |
|
|
set fileId [open openmsp430-verifymem-debug-dumped.mem "w"]
|
| 402 |
|
|
foreach hexCode $mem_val {
|
| 403 |
|
|
puts $fileId $hexCode
|
| 404 |
|
|
}
|
| 405 |
|
|
close $fileId
|
| 406 |
|
|
}
|
| 407 |
74 |
olivier.gi |
|
| 408 |
|
|
return $return_val
|
| 409 |
2 |
olivier.gi |
}
|
| 410 |
|
|
|
| 411 |
|
|
#=============================================================================#
|
| 412 |
|
|
# ExecutePOR_Halt () #
|
| 413 |
|
|
#-----------------------------------------------------------------------------#
|
| 414 |
|
|
# Description: Same as ExecutePOR with the difference that the CPU #
|
| 415 |
|
|
# automatically goes in Halt mode after reset. #
|
| 416 |
|
|
# Arguments : None. #
|
| 417 |
|
|
# Result : 0 if error, 1 otherwise. #
|
| 418 |
|
|
#=============================================================================#
|
| 419 |
|
|
proc ExecutePOR_Halt {} {
|
| 420 |
|
|
|
| 421 |
|
|
set result 1
|
| 422 |
|
|
|
| 423 |
|
|
# Perform PUC
|
| 424 |
|
|
set cpu_ctl_org [dbg_uart_rd CPU_CTL]
|
| 425 |
|
|
set cpu_ctl_new [expr 0x60 | $cpu_ctl_org]
|
| 426 |
|
|
dbg_uart_wr CPU_CTL $cpu_ctl_new
|
| 427 |
|
|
dbg_uart_wr CPU_CTL $cpu_ctl_org
|
| 428 |
|
|
|
| 429 |
|
|
# Check CPU ID
|
| 430 |
74 |
olivier.gi |
if {![VerifyCPU_ID]} {
|
| 431 |
2 |
olivier.gi |
set result 0
|
| 432 |
|
|
}
|
| 433 |
|
|
|
| 434 |
|
|
# Check status: make sure a PUC occured and that the CPU is halted
|
| 435 |
|
|
set cpu_stat_val [dbg_uart_rd CPU_STAT]
|
| 436 |
|
|
set puc_pnd [expr 0x05 & $cpu_stat_val]
|
| 437 |
|
|
if {![string eq $puc_pnd 5]} {
|
| 438 |
|
|
set result 0
|
| 439 |
|
|
}
|
| 440 |
|
|
|
| 441 |
|
|
# Clear PUC pending flag
|
| 442 |
|
|
dbg_uart_wr CPU_STAT 0x04
|
| 443 |
|
|
|
| 444 |
|
|
return $result
|
| 445 |
|
|
}
|
| 446 |
|
|
|
| 447 |
|
|
#=============================================================================#
|
| 448 |
|
|
# GetCPU_ID () #
|
| 449 |
|
|
#-----------------------------------------------------------------------------#
|
| 450 |
110 |
olivier.gi |
# Description: This function reads the CPU_ID from the target device, update #
|
| 451 |
|
|
# the omsp_info global variable and return the raw CPU_ID value. #
|
| 452 |
2 |
olivier.gi |
# Arguments : None. #
|
| 453 |
|
|
# Result : Return CPU_ID. #
|
| 454 |
|
|
#=============================================================================#
|
| 455 |
|
|
proc GetCPU_ID { } {
|
| 456 |
|
|
|
| 457 |
110 |
olivier.gi |
global omsp_info
|
| 458 |
|
|
|
| 459 |
|
|
# Retreive CPU_ID values
|
| 460 |
2 |
olivier.gi |
regsub {0x} [dbg_uart_rd CPU_ID_LO] {} cpu_id_lo
|
| 461 |
|
|
regsub {0x} [dbg_uart_rd CPU_ID_HI] {} cpu_id_hi
|
| 462 |
|
|
|
| 463 |
110 |
olivier.gi |
set cpu_id "0x$cpu_id_hi$cpu_id_lo"
|
| 464 |
|
|
set cpu_id_lo "0x$cpu_id_lo"
|
| 465 |
|
|
set cpu_id_hi "0x$cpu_id_hi"
|
| 466 |
|
|
|
| 467 |
|
|
|
| 468 |
|
|
# Extract the omsp info depending on the CPU version
|
| 469 |
|
|
set omsp_info(cpu_ver) [expr ($cpu_id_lo & 0x0007)+1]
|
| 470 |
|
|
if {$omsp_info(cpu_ver)==1} {
|
| 471 |
|
|
set omsp_info(asic) 0
|
| 472 |
|
|
set omsp_info(user_ver) --
|
| 473 |
|
|
set omsp_info(per_size) 512
|
| 474 |
|
|
set omsp_info(mpy) --
|
| 475 |
|
|
set omsp_info(dmem_size) [expr $cpu_id_lo]
|
| 476 |
|
|
set omsp_info(pmem_size) [expr $cpu_id_hi]
|
| 477 |
|
|
} else {
|
| 478 |
|
|
set omsp_info(asic) [expr ($cpu_id_lo & 0x0008)/8]
|
| 479 |
|
|
set omsp_info(user_ver) [expr ($cpu_id_lo & 0x01f0)/9]
|
| 480 |
|
|
set omsp_info(per_size) [expr (($cpu_id_lo & 0xfe00)/512) * 512]
|
| 481 |
|
|
set omsp_info(mpy) [expr ($cpu_id_hi & 0x0001)/1]
|
| 482 |
|
|
set omsp_info(dmem_size) [expr (($cpu_id_hi & 0x03fe)/2) * 128]
|
| 483 |
|
|
set omsp_info(pmem_size) [expr (($cpu_id_hi & 0xfc00)/1024) * 1024]
|
| 484 |
|
|
}
|
| 485 |
|
|
|
| 486 |
|
|
set omsp_info(alias) [GetChipAlias]
|
| 487 |
|
|
|
| 488 |
|
|
return $cpu_id
|
| 489 |
2 |
olivier.gi |
}
|
| 490 |
|
|
|
| 491 |
|
|
#=============================================================================#
|
| 492 |
|
|
# GetCPU_ID_SIZE () #
|
| 493 |
|
|
#-----------------------------------------------------------------------------#
|
| 494 |
110 |
olivier.gi |
# Description: Returns the Data and Program memory sizes of the connected #
|
| 495 |
|
|
# device. #
|
| 496 |
2 |
olivier.gi |
# Arguments : None. #
|
| 497 |
110 |
olivier.gi |
# Result : Return "PMEM_SIZE DMEM_SIZE" in byte. #
|
| 498 |
2 |
olivier.gi |
#=============================================================================#
|
| 499 |
74 |
olivier.gi |
proc GetCPU_ID_SIZE {} {
|
| 500 |
2 |
olivier.gi |
|
| 501 |
110 |
olivier.gi |
global omsp_info
|
| 502 |
2 |
olivier.gi |
|
| 503 |
110 |
olivier.gi |
if {[info exists omsp_info(pmem_size)]} {
|
| 504 |
|
|
set pmem_size $omsp_info(pmem_size)
|
| 505 |
87 |
olivier.gi |
} else {
|
| 506 |
110 |
olivier.gi |
set pmem_size -1
|
| 507 |
87 |
olivier.gi |
}
|
| 508 |
110 |
olivier.gi |
if {[info exists omsp_info(dmem_size)]} {
|
| 509 |
|
|
set dmem_size $omsp_info(dmem_size)
|
| 510 |
87 |
olivier.gi |
} else {
|
| 511 |
110 |
olivier.gi |
set dmem_size -1
|
| 512 |
87 |
olivier.gi |
}
|
| 513 |
2 |
olivier.gi |
|
| 514 |
110 |
olivier.gi |
return "$pmem_size $dmem_size"
|
| 515 |
2 |
olivier.gi |
}
|
| 516 |
|
|
|
| 517 |
|
|
#=============================================================================#
|
| 518 |
74 |
olivier.gi |
# VerifyCPU_ID () #
|
| 519 |
2 |
olivier.gi |
#-----------------------------------------------------------------------------#
|
| 520 |
|
|
# Description: Read and check the CPU_ID from the target device. #
|
| 521 |
|
|
# Arguments : None. #
|
| 522 |
|
|
# Result : 0 if error, 1 otherwise. #
|
| 523 |
|
|
#=============================================================================#
|
| 524 |
74 |
olivier.gi |
proc VerifyCPU_ID {} {
|
| 525 |
2 |
olivier.gi |
|
| 526 |
114 |
olivier.gi |
global omsp_info
|
| 527 |
|
|
|
| 528 |
2 |
olivier.gi |
set cpu_id_full [GetCPU_ID]
|
| 529 |
|
|
|
| 530 |
110 |
olivier.gi |
if {[string eq "0x00000000" $cpu_id_full] |
|
| 531 |
114 |
olivier.gi |
([string length $cpu_id_full]!=10) |
|
| 532 |
|
|
($omsp_info(cpu_ver) >2) } {
|
| 533 |
|
|
puts "\n"
|
| 534 |
|
|
puts "ERROR: cpu_id not valid: $cpu_id_full"
|
| 535 |
|
|
puts ""
|
| 536 |
|
|
puts " -------------------------------------------------------------"
|
| 537 |
|
|
puts " !!!! Make sure that you are properly connectec to the board !!!!"
|
| 538 |
|
|
puts " !!!! or try reseting the serial debug interface (or CPU). !!!!"
|
| 539 |
|
|
puts " -------------------------------------------------------------"
|
| 540 |
|
|
puts ""
|
| 541 |
74 |
olivier.gi |
set result 0
|
| 542 |
|
|
} else {
|
| 543 |
2 |
olivier.gi |
set result 1
|
| 544 |
|
|
}
|
| 545 |
|
|
return $result
|
| 546 |
|
|
}
|
| 547 |
|
|
|
| 548 |
|
|
#=============================================================================#
|
| 549 |
|
|
# WriteReg (Addr, Data) #
|
| 550 |
|
|
#-----------------------------------------------------------------------------#
|
| 551 |
|
|
# Description: Write a word to the the selected CPU register. #
|
| 552 |
|
|
# Arguments : Addr - Target CPU Register number. #
|
| 553 |
|
|
# Data - Data value to be written. #
|
| 554 |
|
|
# Result : 0 if error, 1 otherwise. #
|
| 555 |
|
|
#=============================================================================#
|
| 556 |
|
|
proc WriteReg {Addr Data} {
|
| 557 |
|
|
|
| 558 |
|
|
dbg_uart_wr MEM_CNT 0x0000
|
| 559 |
|
|
|
| 560 |
|
|
dbg_uart_wr MEM_ADDR $Addr
|
| 561 |
|
|
dbg_uart_wr MEM_DATA $Data
|
| 562 |
|
|
dbg_uart_wr MEM_CTL 0x0007
|
| 563 |
|
|
|
| 564 |
|
|
return 1
|
| 565 |
|
|
}
|
| 566 |
|
|
|
| 567 |
|
|
#=============================================================================#
|
| 568 |
|
|
# WriteRegAll (DataArray) #
|
| 569 |
|
|
#-----------------------------------------------------------------------------#
|
| 570 |
|
|
# Description: Write all CPU registers. #
|
| 571 |
|
|
# Arguments : DataArray - Data values to be written. #
|
| 572 |
|
|
# Result : 0 if error, 1 otherwise. #
|
| 573 |
|
|
#=============================================================================#
|
| 574 |
|
|
proc WriteRegAll {DataArray} {
|
| 575 |
|
|
|
| 576 |
|
|
dbg_uart_wr MEM_CNT [expr [llength $DataArray]-1]
|
| 577 |
|
|
dbg_uart_wr MEM_ADDR 0x0000
|
| 578 |
|
|
dbg_uart_wr MEM_CTL 0x0007
|
| 579 |
|
|
|
| 580 |
|
|
foreach data [split $DataArray] {
|
| 581 |
|
|
|
| 582 |
|
|
# Format data
|
| 583 |
|
|
set data [format %04x $data]
|
| 584 |
|
|
regexp {(..)(..)} $data match data_msb data_lsb
|
| 585 |
|
|
|
| 586 |
|
|
# Send data
|
| 587 |
|
|
dbg_uart_tx "0x$data_lsb 0x$data_msb"
|
| 588 |
|
|
}
|
| 589 |
|
|
|
| 590 |
|
|
return 1
|
| 591 |
|
|
}
|
| 592 |
|
|
|
| 593 |
|
|
#=============================================================================#
|
| 594 |
|
|
# ReadReg (Addr) #
|
| 595 |
|
|
#-----------------------------------------------------------------------------#
|
| 596 |
|
|
# Description: Read the value from the selected CPU register. #
|
| 597 |
|
|
# Arguments : Addr - Target CPU Register number. #
|
| 598 |
|
|
# Result : Data value stored in the selected CPU register. #
|
| 599 |
|
|
#=============================================================================#
|
| 600 |
|
|
proc ReadReg {Addr} {
|
| 601 |
|
|
|
| 602 |
|
|
dbg_uart_wr MEM_CNT 0x0000
|
| 603 |
|
|
|
| 604 |
|
|
dbg_uart_wr MEM_ADDR $Addr
|
| 605 |
|
|
dbg_uart_wr MEM_CTL 0x0005
|
| 606 |
|
|
set reg_val [dbg_uart_rd MEM_DATA]
|
| 607 |
|
|
|
| 608 |
|
|
return $reg_val
|
| 609 |
|
|
}
|
| 610 |
|
|
|
| 611 |
|
|
#=============================================================================#
|
| 612 |
|
|
# ReadRegAll () #
|
| 613 |
|
|
#-----------------------------------------------------------------------------#
|
| 614 |
|
|
# Description: Read all CPU registers. #
|
| 615 |
|
|
# Arguments : None. #
|
| 616 |
|
|
# Result : Current values of all CPU registers. #
|
| 617 |
|
|
#=============================================================================#
|
| 618 |
|
|
proc ReadRegAll {} {
|
| 619 |
|
|
|
| 620 |
|
|
dbg_uart_wr MEM_CNT 0x000f
|
| 621 |
|
|
dbg_uart_wr MEM_ADDR 0x0000
|
| 622 |
|
|
dbg_uart_wr MEM_CTL 0x0005
|
| 623 |
|
|
|
| 624 |
|
|
set reg_val [dbg_uart_rx 0 32]
|
| 625 |
|
|
|
| 626 |
|
|
return $reg_val
|
| 627 |
|
|
}
|
| 628 |
|
|
|
| 629 |
|
|
#=============================================================================#
|
| 630 |
|
|
# WriteMemQuick8 (StartAddr, DataArray) #
|
| 631 |
|
|
#-----------------------------------------------------------------------------#
|
| 632 |
|
|
# Description: Writes an array of bytes into the target device memory (RAM, #
|
| 633 |
|
|
# ROM & Peripherals. #
|
| 634 |
|
|
# Arguments : StartAddr - Start address of destination memory. #
|
| 635 |
|
|
# DataArray - List of data to be written (in hexadecimal). #
|
| 636 |
|
|
# Result : 0 if error, 1 otherwise. #
|
| 637 |
|
|
#=============================================================================#
|
| 638 |
|
|
proc WriteMemQuick8 {StartAddr DataArray} {
|
| 639 |
|
|
|
| 640 |
|
|
if {[llength $DataArray]==1} {
|
| 641 |
|
|
WriteMem 1 $StartAddr $DataArray
|
| 642 |
|
|
} else {
|
| 643 |
|
|
|
| 644 |
|
|
dbg_uart_wr MEM_CNT [expr [llength $DataArray]-1]
|
| 645 |
|
|
dbg_uart_wr MEM_ADDR $StartAddr
|
| 646 |
|
|
dbg_uart_wr MEM_CTL 0x000b
|
| 647 |
|
|
|
| 648 |
|
|
foreach data [split $DataArray] {
|
| 649 |
|
|
|
| 650 |
|
|
# Format data
|
| 651 |
|
|
set data [format %02x $data]
|
| 652 |
|
|
|
| 653 |
|
|
# Send data
|
| 654 |
|
|
dbg_uart_tx "0x$data"
|
| 655 |
|
|
}
|
| 656 |
|
|
}
|
| 657 |
|
|
return 1
|
| 658 |
|
|
}
|
| 659 |
|
|
|
| 660 |
|
|
#=============================================================================#
|
| 661 |
|
|
# ReadMemQuick8 (StartAddr, Length) #
|
| 662 |
|
|
#-----------------------------------------------------------------------------#
|
| 663 |
|
|
# Description: Reads an array of bytes from target memory. #
|
| 664 |
|
|
# Arguments : StartAddr - Start address of target memory to be read. #
|
| 665 |
|
|
# Length - Number of bytes to be read. #
|
| 666 |
|
|
# Result : List of data values stored in the target memory. #
|
| 667 |
|
|
#=============================================================================#
|
| 668 |
|
|
proc ReadMemQuick8 {StartAddr Length} {
|
| 669 |
|
|
|
| 670 |
|
|
if {$Length==1} {
|
| 671 |
|
|
set mem_val [ReadMem 1 $StartAddr]
|
| 672 |
|
|
} else {
|
| 673 |
|
|
dbg_uart_wr MEM_CNT [expr $Length-1]
|
| 674 |
|
|
dbg_uart_wr MEM_ADDR $StartAddr
|
| 675 |
|
|
dbg_uart_wr MEM_CTL 0x0009
|
| 676 |
|
|
|
| 677 |
|
|
set mem_val [dbg_uart_rx 1 [expr $Length]]
|
| 678 |
|
|
}
|
| 679 |
|
|
|
| 680 |
|
|
return $mem_val
|
| 681 |
|
|
}
|
| 682 |
|
|
|
| 683 |
|
|
#=============================================================================#
|
| 684 |
|
|
# StepCPU () #
|
| 685 |
|
|
#-----------------------------------------------------------------------------#
|
| 686 |
|
|
# Description: Performs a CPU incremental step. #
|
| 687 |
|
|
# Arguments : None. #
|
| 688 |
|
|
# Result : 0 if error, 1 otherwise. #
|
| 689 |
|
|
#=============================================================================#
|
| 690 |
|
|
proc StepCPU {} {
|
| 691 |
|
|
|
| 692 |
|
|
# Check if the device is halted. If not, stop it.
|
| 693 |
|
|
set cpu_ctl_val [dbg_uart_rd CPU_CTL]
|
| 694 |
|
|
set cpu_ctl_new [expr 0x04 | $cpu_ctl_val]
|
| 695 |
|
|
dbg_uart_wr CPU_CTL $cpu_ctl_new
|
| 696 |
|
|
|
| 697 |
|
|
return 1
|
| 698 |
|
|
}
|
| 699 |
|
|
|
| 700 |
|
|
#=============================================================================#
|
| 701 |
|
|
# EraseRAM () #
|
| 702 |
|
|
#-----------------------------------------------------------------------------#
|
| 703 |
|
|
# Description: Erase RAM. #
|
| 704 |
|
|
# Arguments : None. #
|
| 705 |
|
|
# Result : 0 if error, 1 otherwise. #
|
| 706 |
|
|
#=============================================================================#
|
| 707 |
|
|
proc EraseRAM {} {
|
| 708 |
|
|
|
| 709 |
|
|
set ram_size [lindex [GetCPU_ID_SIZE] 1]
|
| 710 |
|
|
|
| 711 |
87 |
olivier.gi |
if {$ram_size!=-1} {
|
| 712 |
|
|
set DataArray ""
|
| 713 |
|
|
for {set i 0} {$i<$ram_size} {incr i} {
|
| 714 |
|
|
lappend DataArray 0x00
|
| 715 |
|
|
}
|
| 716 |
2 |
olivier.gi |
|
| 717 |
87 |
olivier.gi |
WriteMemQuick8 $0x0200 $DataArray
|
| 718 |
2 |
olivier.gi |
|
| 719 |
87 |
olivier.gi |
return 1
|
| 720 |
|
|
}
|
| 721 |
|
|
return 0
|
| 722 |
2 |
olivier.gi |
}
|
| 723 |
|
|
|
| 724 |
|
|
#=============================================================================#
|
| 725 |
|
|
# EraseROM () #
|
| 726 |
|
|
#-----------------------------------------------------------------------------#
|
| 727 |
|
|
# Description: Erase ROM. #
|
| 728 |
|
|
# Arguments : None. #
|
| 729 |
|
|
# Result : 0 if error, 1 otherwise. #
|
| 730 |
|
|
#=============================================================================#
|
| 731 |
|
|
proc EraseROM {} {
|
| 732 |
|
|
|
| 733 |
|
|
set rom_size [lindex [GetCPU_ID_SIZE] 0]
|
| 734 |
|
|
set rom_start [expr 0x10000-$rom_size]
|
| 735 |
|
|
|
| 736 |
96 |
olivier.gi |
if {$rom_size!=-1} {
|
| 737 |
87 |
olivier.gi |
set DataArray ""
|
| 738 |
|
|
for {set i 0} {$i<$rom_size} {incr i} {
|
| 739 |
|
|
lappend DataArray 0x00
|
| 740 |
|
|
}
|
| 741 |
2 |
olivier.gi |
|
| 742 |
87 |
olivier.gi |
WriteMemQuick8 $rom_start $DataArray
|
| 743 |
2 |
olivier.gi |
|
| 744 |
87 |
olivier.gi |
return 1
|
| 745 |
|
|
}
|
| 746 |
|
|
return 0
|
| 747 |
2 |
olivier.gi |
}
|
| 748 |
|
|
|
| 749 |
|
|
#=============================================================================#
|
| 750 |
|
|
# InitBreakUnits() #
|
| 751 |
|
|
#-----------------------------------------------------------------------------#
|
| 752 |
|
|
# Description: Initialize the hardware breakpoint units. #
|
| 753 |
|
|
# Arguments : None. #
|
| 754 |
|
|
# Result : Number of hardware breakpoint units. #
|
| 755 |
|
|
#=============================================================================#
|
| 756 |
|
|
proc InitBreakUnits {} {
|
| 757 |
|
|
|
| 758 |
|
|
set num_brk_units 0
|
| 759 |
|
|
for {set i 0} {$i<4} {incr i} {
|
| 760 |
|
|
|
| 761 |
|
|
dbg_uart_wr "BRK$i\_ADDR0" 0x1234
|
| 762 |
|
|
set new_val [dbg_uart_rd "BRK$i\_ADDR0"]
|
| 763 |
|
|
if {$new_val=="0x1234"} {
|
| 764 |
|
|
incr num_brk_units
|
| 765 |
|
|
dbg_uart_wr "BRK$i\_CTL" 0x00
|
| 766 |
|
|
dbg_uart_wr "BRK$i\_STAT" 0xff
|
| 767 |
|
|
dbg_uart_wr "BRK$i\_ADDR0" 0x0000
|
| 768 |
|
|
dbg_uart_wr "BRK$i\_ADDR1" 0x0000
|
| 769 |
|
|
}
|
| 770 |
|
|
}
|
| 771 |
|
|
return $num_brk_units
|
| 772 |
|
|
}
|
| 773 |
|
|
|
| 774 |
|
|
#=============================================================================#
|
| 775 |
|
|
# SetHWBreak(Type, Addr, Rd, Wr) #
|
| 776 |
|
|
#-----------------------------------------------------------------------------#
|
| 777 |
|
|
# Description: Set data/instruction breakpoint on a given memory address. #
|
| 778 |
|
|
# Arguments : Type - 1 for instruction break, 0 for data break. #
|
| 779 |
|
|
# Addr - Memory address of the data breakpoint. #
|
| 780 |
|
|
# Rd - Breakpoint on read access. #
|
| 781 |
|
|
# Wr - Breakpoint on write access. #
|
| 782 |
|
|
# Result : 0 if error, 1 otherwise. #
|
| 783 |
|
|
#=============================================================================#
|
| 784 |
|
|
proc SetHWBreak {Type Addr Rd Wr} {
|
| 785 |
|
|
global hw_break
|
| 786 |
|
|
|
| 787 |
|
|
# Compute the BRKx_CTL corresponding value
|
| 788 |
|
|
set brk_ctl_ref [format "0x02%x" [expr 8*$Type+4+2*$Wr+$Rd]]
|
| 789 |
|
|
|
| 790 |
|
|
# First look for utilized units with correct BRKx_CTL attributes
|
| 791 |
|
|
for {set i 0} {$i<$hw_break(num)} {incr i} {
|
| 792 |
|
|
if {[string eq [dbg_uart_rd "BRK$i\_CTL"] $brk_ctl_ref]} {
|
| 793 |
|
|
# Look if there is an address free
|
| 794 |
|
|
set brk_addr0 [dbg_uart_rd "BRK$i\_ADDR0"]
|
| 795 |
|
|
set brk_addr1 [dbg_uart_rd "BRK$i\_ADDR1"]
|
| 796 |
|
|
if {[string eq $brk_addr0 $brk_addr1]} {
|
| 797 |
|
|
dbg_uart_wr "BRK$i\_ADDR1" $Addr
|
| 798 |
|
|
return 1
|
| 799 |
|
|
}
|
| 800 |
|
|
}
|
| 801 |
|
|
}
|
| 802 |
|
|
|
| 803 |
|
|
# Then look for a free unit
|
| 804 |
|
|
for {set i 0} {$i<$hw_break(num)} {incr i} {
|
| 805 |
|
|
if {[string eq [dbg_uart_rd "BRK$i\_CTL"] 0x00]} {
|
| 806 |
|
|
dbg_uart_wr "BRK$i\_ADDR0" $Addr
|
| 807 |
|
|
dbg_uart_wr "BRK$i\_ADDR1" $Addr
|
| 808 |
|
|
dbg_uart_wr "BRK$i\_CTL" $brk_ctl_ref
|
| 809 |
|
|
return 1
|
| 810 |
|
|
}
|
| 811 |
|
|
}
|
| 812 |
|
|
|
| 813 |
|
|
return 0
|
| 814 |
|
|
}
|
| 815 |
|
|
|
| 816 |
|
|
#=============================================================================#
|
| 817 |
|
|
# ClearHWBreak(Type, Addr) #
|
| 818 |
|
|
#-----------------------------------------------------------------------------#
|
| 819 |
|
|
# Description: Clear the data/instruction breakpoint set on the provided #
|
| 820 |
|
|
# memory address. #
|
| 821 |
|
|
# Arguments : Type - 1 for instruction break, 0 for data break. #
|
| 822 |
|
|
# Addr - Data address of the breakpoint to be cleared. #
|
| 823 |
|
|
# Result : 0 if error, 1 otherwise. #
|
| 824 |
|
|
#=============================================================================#
|
| 825 |
|
|
proc ClearHWBreak {Type Addr} {
|
| 826 |
|
|
global hw_break
|
| 827 |
|
|
|
| 828 |
|
|
for {set i 0} {$i<$hw_break(num)} {incr i} {
|
| 829 |
|
|
# Check if the unit works on Data or Instructions)
|
| 830 |
|
|
set brk_ctl [dbg_uart_rd "BRK$i\_CTL"]
|
| 831 |
|
|
if {[expr $brk_ctl & 0x08]==[expr 8*$Type]} {
|
| 832 |
|
|
|
| 833 |
|
|
# Look for the matching address
|
| 834 |
|
|
set brk_addr0 [dbg_uart_rd "BRK$i\_ADDR0"]
|
| 835 |
|
|
set brk_addr1 [dbg_uart_rd "BRK$i\_ADDR1"]
|
| 836 |
|
|
|
| 837 |
|
|
if {[string eq $brk_addr0 $brk_addr1] && [string eq $brk_addr0 $Addr]} {
|
| 838 |
|
|
dbg_uart_wr "BRK$i\_CTL" 0x00
|
| 839 |
|
|
dbg_uart_wr "BRK$i\_STAT" 0xff
|
| 840 |
|
|
dbg_uart_wr "BRK$i\_ADDR0" 0x0000
|
| 841 |
|
|
dbg_uart_wr "BRK$i\_ADDR1" 0x0000
|
| 842 |
|
|
return 1
|
| 843 |
|
|
}
|
| 844 |
|
|
if {[string eq $brk_addr0 $Addr]} {
|
| 845 |
|
|
dbg_uart_wr "BRK$i\_ADDR0" $brk_addr1
|
| 846 |
|
|
return 1
|
| 847 |
|
|
}
|
| 848 |
|
|
if {[string eq $brk_addr1 $Addr]} {
|
| 849 |
|
|
dbg_uart_wr "BRK$i\_ADDR1" $brk_addr0
|
| 850 |
|
|
return 1
|
| 851 |
|
|
}
|
| 852 |
|
|
}
|
| 853 |
|
|
}
|
| 854 |
|
|
return 1
|
| 855 |
|
|
}
|
| 856 |
|
|
|
| 857 |
|
|
#=============================================================================#
|
| 858 |
|
|
# IsHalted () #
|
| 859 |
|
|
#-----------------------------------------------------------------------------#
|
| 860 |
|
|
# Description: Check if the CPU is currently stopped or not. #
|
| 861 |
|
|
# Arguments : None. #
|
| 862 |
|
|
# Result : 0 if CPU is running, 1 if stopped. #
|
| 863 |
|
|
#=============================================================================#
|
| 864 |
|
|
proc IsHalted {} {
|
| 865 |
|
|
|
| 866 |
|
|
# Check current target status
|
| 867 |
|
|
set cpu_stat_val [dbg_uart_rd CPU_STAT]
|
| 868 |
|
|
set halted [expr 0x01 & $cpu_stat_val]
|
| 869 |
|
|
|
| 870 |
|
|
return $halted
|
| 871 |
|
|
}
|
| 872 |
|
|
|
| 873 |
|
|
#=============================================================================#
|
| 874 |
|
|
# ClrStatus () #
|
| 875 |
|
|
#-----------------------------------------------------------------------------#
|
| 876 |
|
|
# Description: Clear the status bit of the CPU_STAT register. #
|
| 877 |
|
|
# Arguments : None. #
|
| 878 |
|
|
# Result : 0 if error, 1 otherwise. #
|
| 879 |
|
|
#=============================================================================#
|
| 880 |
|
|
proc ClrStatus {} {
|
| 881 |
|
|
|
| 882 |
|
|
# Clear status
|
| 883 |
|
|
dbg_uart_wr CPU_STAT 0xff
|
| 884 |
|
|
dbg_uart_wr BRK0_STAT 0xff
|
| 885 |
|
|
dbg_uart_wr BRK1_STAT 0xff
|
| 886 |
|
|
dbg_uart_wr BRK2_STAT 0xff
|
| 887 |
|
|
dbg_uart_wr BRK3_STAT 0xff
|
| 888 |
|
|
|
| 889 |
|
|
return 1
|
| 890 |
|
|
}
|
| 891 |
110 |
olivier.gi |
|
| 892 |
|
|
#=============================================================================#
|
| 893 |
|
|
# GetChipAlias () #
|
| 894 |
|
|
#-----------------------------------------------------------------------------#
|
| 895 |
|
|
# Description: Parse the chip alias XML file an return the alias name. #
|
| 896 |
|
|
# Arguments : None. #
|
| 897 |
|
|
# Result : Chip Alias. #
|
| 898 |
|
|
#=============================================================================#
|
| 899 |
|
|
proc GetChipAlias {} {
|
| 900 |
|
|
|
| 901 |
|
|
global omsp_info
|
| 902 |
|
|
|
| 903 |
|
|
# Set XML file name
|
| 904 |
|
|
if {[info exists ::env(OMSP_XML_FILE)]} {
|
| 905 |
|
|
set xmlFile $::env(OMSP_XML_FILE)
|
| 906 |
|
|
} else {
|
| 907 |
|
|
set xmlFile [file normalize "$::scriptDir/../../omsp_alias.xml"]
|
| 908 |
|
|
}
|
| 909 |
|
|
|
| 910 |
|
|
# Read XML file
|
| 911 |
|
|
if {[file exists $xmlFile]} {
|
| 912 |
|
|
set fp [open $xmlFile r]
|
| 913 |
|
|
set xmlData [read $fp]
|
| 914 |
|
|
close $fp
|
| 915 |
|
|
} else {
|
| 916 |
|
|
puts "WARNING: the XML alias file was not found - $xmlFile"
|
| 917 |
|
|
return ""
|
| 918 |
|
|
}
|
| 919 |
|
|
|
| 920 |
|
|
# Analyze XML file
|
| 921 |
|
|
::XML::Init $xmlData
|
| 922 |
|
|
set wellFormed [::XML::IsWellFormed]
|
| 923 |
|
|
if {$wellFormed ne ""} {
|
| 924 |
|
|
puts "WARNING: the XML alias file is not well-formed - $xmlFile \n $wellFormed"
|
| 925 |
|
|
return ""
|
| 926 |
|
|
}
|
| 927 |
|
|
|
| 928 |
|
|
#========================================================================#
|
| 929 |
|
|
# Create list from XML file #
|
| 930 |
|
|
#========================================================================#
|
| 931 |
|
|
set aliasList ""
|
| 932 |
|
|
set currentALIAS ""
|
| 933 |
|
|
set currentTYPE ""
|
| 934 |
|
|
set currentTAG ""
|
| 935 |
|
|
while {1} {
|
| 936 |
|
|
foreach {type val attr etype} [::XML::NextToken] break
|
| 937 |
|
|
if {$type == "EOF"} break
|
| 938 |
|
|
|
| 939 |
|
|
# Detect the start of a new alias description
|
| 940 |
|
|
if {($type == "XML") & ($val == "omsp:alias") & ($etype == "START")} {
|
| 941 |
|
|
set aliasName ""
|
| 942 |
|
|
regexp {val=\"(.*)\"} $attr whole_match aliasName
|
| 943 |
|
|
lappend aliasList $aliasName
|
| 944 |
|
|
set currentALIAS $aliasName
|
| 945 |
|
|
}
|
| 946 |
|
|
|
| 947 |
|
|
# Detect start and end of the configuration field
|
| 948 |
|
|
if {($type == "XML") & ($val == "omsp:configuration")} {
|
| 949 |
|
|
|
| 950 |
|
|
if {($etype == "START")} {
|
| 951 |
|
|
set currentTYPE "config"
|
| 952 |
|
|
|
| 953 |
|
|
} elseif {($etype == "END")} {
|
| 954 |
|
|
set currentTYPE ""
|
| 955 |
|
|
}
|
| 956 |
|
|
}
|
| 957 |
|
|
|
| 958 |
|
|
# Detect start and end of the extra_info field
|
| 959 |
|
|
if {($type == "XML") & ($val == "omsp:extra_info")} {
|
| 960 |
|
|
|
| 961 |
|
|
if {($etype == "START")} {
|
| 962 |
|
|
set currentTYPE "extra_info"
|
| 963 |
|
|
set idx 0
|
| 964 |
|
|
|
| 965 |
|
|
} elseif {($etype == "END")} {
|
| 966 |
|
|
set currentTYPE ""
|
| 967 |
|
|
}
|
| 968 |
|
|
}
|
| 969 |
|
|
|
| 970 |
|
|
# Detect the current TAG
|
| 971 |
|
|
if {($type == "XML") & ($etype == "START")} {
|
| 972 |
|
|
regsub {omsp:} $val {} val
|
| 973 |
|
|
set currentTAG $val
|
| 974 |
|
|
}
|
| 975 |
|
|
|
| 976 |
|
|
if {($type == "TXT")} {
|
| 977 |
|
|
if {$currentTYPE=="extra_info"} {
|
| 978 |
|
|
set alias($currentALIAS,$currentTYPE,$idx,$currentTAG) $val
|
| 979 |
|
|
incr idx
|
| 980 |
|
|
} else {
|
| 981 |
|
|
set alias($currentALIAS,$currentTYPE,$currentTAG) $val
|
| 982 |
|
|
}
|
| 983 |
|
|
}
|
| 984 |
|
|
}
|
| 985 |
|
|
|
| 986 |
|
|
#========================================================================#
|
| 987 |
|
|
# Check if the current OMSP_INFO has an alias match #
|
| 988 |
|
|
#========================================================================#
|
| 989 |
|
|
foreach currentALIAS $aliasList {
|
| 990 |
|
|
set aliasCONFIG [array names alias -glob "$currentALIAS,config,*"]
|
| 991 |
|
|
set aliasEXTRA [lsort -increasing [array names alias -glob "$currentALIAS,extra_info,*"]]
|
| 992 |
|
|
|
| 993 |
|
|
#----------------------------------#
|
| 994 |
|
|
# Is current alias matching ? #
|
| 995 |
|
|
#----------------------------------#
|
| 996 |
|
|
set match 1
|
| 997 |
|
|
set description ""
|
| 998 |
|
|
foreach currentCONFIG $aliasCONFIG {
|
| 999 |
|
|
|
| 1000 |
|
|
regsub "$currentALIAS,config," $currentCONFIG {} configName
|
| 1001 |
|
|
|
| 1002 |
|
|
if {![string eq $omsp_info($configName) $alias($currentCONFIG)]} {
|
| 1003 |
|
|
set match 0
|
| 1004 |
|
|
}
|
| 1005 |
|
|
}
|
| 1006 |
|
|
|
| 1007 |
|
|
#----------------------------------#
|
| 1008 |
|
|
# If matching, get the extra infos #
|
| 1009 |
|
|
#----------------------------------#
|
| 1010 |
|
|
if {$match} {
|
| 1011 |
|
|
|
| 1012 |
|
|
set idx 0
|
| 1013 |
|
|
foreach currentEXTRA $aliasEXTRA {
|
| 1014 |
|
|
regsub "$currentALIAS,extra_info," $currentEXTRA {} extraName
|
| 1015 |
|
|
set omsp_info(extra,$idx,$extraName) $alias($currentEXTRA)
|
| 1016 |
|
|
incr idx
|
| 1017 |
|
|
}
|
| 1018 |
|
|
return $currentALIAS
|
| 1019 |
|
|
}
|
| 1020 |
|
|
}
|
| 1021 |
|
|
|
| 1022 |
|
|
return ""
|
| 1023 |
|
|
}
|
