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JTAGjet Emulator www.unimax.co.kr www.signum.com 2004. 03. 18 Unimax Information Systems Co., Ltd. SIGNUM SYSTEMS JTAGjet Emulator & Multi-Core Chameleon Debugger for ARM 7 & ARM9 cores Robert Chyla VP of R&D JTAGjet-USB Emulator JTAGjet Emulator ARM7, ARM9, other CPUs, DSPs in SoC

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jtagjet emulator www unimax co kr www signum com

JTAGjet Emulatorwww.unimax.co.krwww.signum.com

2004. 03. 18

Unimax Information Systems Co., Ltd.

signum systems

JTAGjet Emulator


Multi-Core Chameleon Debugger

for ARM 7 & ARM9 cores

Robert Chyla

VP of R&D

jtagjet emulator
JTAGjet Emulator
  • ARM7, ARM9, other CPUs, DSPs in SoC
  • LPT and USB 2.0
  • Ultra fast download (1060KB/sec.)
  • JTAG clocks from 1Khz to 30Mhz
  • Small and portable
  • Exceptional power-up and reset handling
  • Works with ARM debuggers and CCS
  • Dedicated customer support
arm omap support
ARM/OMAP Support







RDI 1.51



(ARM only)

Signum Drivers

USB 2.0





chameleon debugger
Chameleon Debugger
  • Multi-Core support (homogeneous and heterogeneous CPUs)
  • Supports GNU, ARM, GHS, Tasking, MSFT, Borland, Keil, TI, IAR, NSC, Intel, Mentor Graphics, Palm and other C/C++ compilers
  • Works on Win98, NT, 2000, ME, XP
  • Trace window with filtering and timestamp
  • Access to debugger commands from TELNET
chameleon features
Chameleon Features
  • Hardware and Software breakpoints
  • Fly-by display of variables and CPU registers
  • Drag and drop of variables/functions between windows
  • Customizable Watch windows
  • Different memory window formats
  • Full C level debugging in macro files
  • Access on the fly to variables and registers if permitted by the CPU
flash programming
Flash Programming
  • Automatic type and geometry detection for new CFI (Common Flash Interface) devices.
  • No need to write or customize the algorithm for future devices.
  • 100% Trace32 compatibility (ELF programmer prepared for T32 can be used directly).
  • External command line application for programming only (for production).
flash programming cfi
Flash Programming - CFI

CFI geometry detected:


Query memory device capabilities


Flash at address ....................... 0x0

Manufacturer: Sharp (0xb0), device ID: 0xb1

I/O interface .......................... 16-bit device in 16-bit mode

CFI compatible device at address ....... 0x0

Primary vendor command set ............. 0x3, (Intel Standard Command Set)

Alternative vendor command set ......... 0x0

Device size ............................ 0x800000 bytes

Device interface code .................. 0x1

Device max buffer write ................ 0x20 bytes

Erase regions .......................... 2

0x8 sectors of 0x2000 bytes

0x7f sectors of 0x10000 bytes


trace32 compatibility
Trace32 compatibility
  • Existing ELF programmer prepared for T32 can be used directly in Chameleon
  • CMM conversion utility to convert CMM files into Chameleon macros

Before (CMM file):

; Set GPIO36 to support mainboard NOR flash device (rom2_cs_n)

d.out &GPIO_PAGE %byte 36.

d.out &GPIO_CFG %byte 0x4

After (MAC file):

; Set GPIO36 to support mainboard NOR flash device (rom2_cs_n)

sb $$GPIO_PAGE = 36

sb $$GPIO_CFG = 0x4

;CMMCONV_End: Conversion (50 lines) finished successfully.

  • Whole, complex MSM6000 set of NAND scripts was successfully converted
compatibility with debuggers
Compatibility with debuggers
  • The only emulator working with Code Composer Studio and all major ARM debuggers (using RDI interface)
  • eBinder (eSol) compatibility for OMAP and other ARM cores
  • API to integrate with own tools (testing, flash programming, etc.)
  • API available on Linux for more script-based testing
road map for q2 2004
Road Map for Q2 2004
  • Enhancing the T32 functional compatibility
  • Faster NAND programming
  • DCC (Data Communication Channel) for non-intrusive monitoring without stopping the CPU
  • Access to the same device from different debuggers in same time (CCS, ADS, RealView, Palm Universal Debugger)
  • Eclipse based IDE (new emerging standard) - Q3 2004
cpu status window
CPU Status Window

CPU status

Click to change flag

CPU core registers with bits and fields.

Change hex value by overtyping ...

… or double-click to edit in a dialog box (to use any C expression).

Recent changes in red.

source window
Source Window

Current PC

Software breakpoint

Hardware breakpoint

Toggle breakpoint by clicking

Fly-by display (decimal & hex formats)

Breakpoint attributes control (right-click on


source window operations
Source Window - Operations

Display mode

Source: C/C++ source

Mixed: source and ASM

Disassembly: ASM only

Viewing (display changes)

+ drag&drop feature

Running (CPU control)

Breakpoints control

Text search and editor call


source window viewing
Source Window - Viewing

Drag&drop address or function (here dropping delay function to the same source window)

Pick the module to view from the list

View at any C/C++ or CPU address (with history)

Optional view at desired source line

source window mixed mode
Source Window - Mixed Mode

Source window may display program in mixed mode (source + corresponding code)


Contents in hex, ARM, Thumb, Data coloring

ASM mnemonics

C/C++ source line

Fly-by display for CPU registers too

Addresses shown as symbols

watch window
Watch Window

Watch windows can be customized to display variables and any C/C++ expressions.

Any C/C++ expression

Full C/C++ variable types

Expanding/ collapsing structures, arrays,


C++ classes

ASCII strings

Type-dependent display

Changes in red

Enum type name and value

Memory address for variables/members

watch window operations
Watch Window - Operations

Adding variables by drag & drop

Selective deleting

(single members of structures/arrays)

Adding by entering any C/C++ expression

Display format control

- type-dependent,

- hex, decimal, binary

For single item or all.

CPU suspend control (only if non-intrusive access is not possible)

Write/re-read on demand (possible

when CPU is running)

Editing by double click or ENTER. Easy increment/decrement (+/-).

locals window
Locals Window

Locals window is a kind of Watch window that automatically displays current set of C/C++ function/block level local variables.

Complex variables are shown with + icon at left column.

Clicking on the + icon expands and shrinks complex variables.Values changed since last display are shown in red.

registers window
Registers window

Name (click to edit definition)

Value (click to change value)


Attributes (RdWr, Rd, Wr, Volatile)

Adding & Grouping Registers

Value with fields (tool-tip)

Menu with all operations

registers window editing
Registers Window (editing)

Advanced editing (with fields)

Simple editing

Editing of definition

call stack window
Call Stack Window

Shows current sequence of C/C++ functions and subroutine calls.

Location (name+offset)

Source file reference

Physical CPU address



on top

Double-click on a function synchronizes source window (yellow marker).

complex events hw breakpoints
Complex Events (HW breakpoints)

Stop when writing data to the buffer from code range.

Address (C expression)

Both data address and data value.

8 bit write of data

Break on an event

Data value (with mask)

Sequencing of events

Corresponding commands

Address (with mask)

Operations (activate, name, save, load)

command window
Command Window

Command window allows text-based commands and macros.

Over 200 commands!!

Access to C/C++ symbols

Access to CPU registers

Built-in help

Memory access

Disassembler with C/C++ symbols


CPU control

Macros with parameters

Conditional execution

Automated testing


Remote access

Session logging

command window macros
Command Window - Macros

Macro toolbar - different docking




Macro list and maintenance

do command executes macros

command window testing
Command Window - Testing

Tbreak.tst - test called from test.mac

Test.mac - testing macro

Test t0.tst passed


Expected register value

Observed value different - error

Test failed msg.

Many tests in a single macro

Test statistics

Logging and control possible (not shown)

command window remote access
Command Window - Remote Access

IP and port of Chameleon session

Local debugger window

Users may type at the same time

Communication between users

Telnet on remote station

virtual io c runtime functions
Virtual IO (C runtime functions)

scanf call and text entered by the user.

C/C++ program with console IO calls (printf/scanf).

Virtual IO window.

File IO (fopen/fread/etc.) and low level IO (open/ read/etc.) are handled in background (without display in window).

Signum Systems can provide runtime functions for compilers which do not support C level IO.


Multi-Core Debugging

Multi Control Tool Bar

CPU #1

CPU #2


Signum Systems delivers Emulators and Debuggers since 1979

All systems and software are designed entirely in the USA in Moorpark, CA.