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4 DS-5 Quick Start Guide

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Access to the Target’s Linux File System

Eclipse C/C++ Perspective

Eclipse provides a powerful IDE (Integrated Development

Environment) with flexible window management and C/C++

source editing.

Window Management

Change the position of any view in Eclipse by left-clicking on its

tab and dragging it. The new location can be adjacent to existing

views or in a tabbed group.

You can detach (undock) the view or add it to the Fast View

bar by right-clicking on the view name.

All detached views can be dragged to a second monitor.

Source Code Editing

The Eclipse IDE includes several features that make it easier to

edit C/C++ code, including:

The ARM Assembler editor also provides syntax highlighting,

formatting of code, and auto-completion of labels in ARM and

Thumb assembly language files.

Analysis of Executable Files

Double-clicking on an executable or object file opens the ELF

Content Editor plug-in. Alternatively, right-click on the file and

select ? Other ? ELF Content Editor.

This plug-in enables the static analysis of built or imported

images before connecting a debugger to the actual target.

The ELF Content Editor includes several tabs with graphical

views for:

nSyntax highlighting.

nPop-ups with variable/function information and quick-jump to

declaration with F3.

nCode auto-completion.

nTemplates for source and header files and classes.

nSearch in project files.

nOverview pane with general information on the image (ELF

header) and details for each ELF section.

nSymbol browser with complete symbol list (variables,

functions, labels) and symbol properties (type, address).

nSyntax-coloured disassembly view enables you to examine

the code generated by the compiler.

Open With

Automatic display of function and variable information in the code view.

Source auto-completion. Start typing the name of a class, variable

or function and click Ctrl+Space.

The ELF Content Editor performs static analysis of object files.

Connecting to the Target

All you need to debug and analyze Linux applications on an

ARM processor-based target is a TCP/IP between the target and

the host computer.

DS-5 Debugger launches the gdbserver debug agent on the

target, connects to it, and uses it to control a running

application. DS-5 requires gdbserver v6.8 or later. The

installation includes v7.0.

In the case of Real-Time System Models, the debugger connects

to one of the UARTs in the SoC model.

Bare metal and kernal development requires a JTAG or Serial-

Wire Debug target connection. This is provided by the ARM

DSTREAM debug and trace unit.

Accessing the Target’s File System

DS-5 integrates a Remote System Explorer (RSE) to access

the Linux file system on hardware targets that support the

Secure Shell (SSH). The target must include a secure shell

daemon (sshd) and sftp-server.

RSE enables the following functionality:

nSFTP Files View: Access the target’s Linux file system using

an FTP connection. Navigate, copy, paste, drag and drop, and

edit files on the target.

nShell Processes View: Displays a list of current processes

running on the target.

nSSH Shell/Terminal View: Opens a shell or a terminal

window connected to the target in order to execute Linux

commands - for example to run an application.

nAutomated software download: DS-5 Debugger uses RSE

connections to automate the download of images to the

target, execute gdbserver, and connect to it.

Configure Remote System Explorer

Open RSE by selecting Window ? Show View ? Other...

? Remote Systems ? Remote Systems.

Click on the New Connection button . Select Linux and

click Next.

Fill the Host name box with the IP address of the target system,

or its network name if it is registered on a DNS server. Define a

name for the connection and click Next.

In the next configuration steps choose the Secure Shell

(ssh.files) option, then click Finish.

Real-Time System Models

DS-5 includes Real-Time System Models (RTSMs) of

ARM processor-based SoCs.

An RTSM is a fast simulation model of a complete SoC

with a processor, system memory, and peripherals such as

keyboard, mouse, UARTs, Ethernet, and LCD.

RTSMs enable ARM Linux application development

without any hardware, and deliver simulation speeds of

over 250MHz on a typical desktop.

DS-5 includes an example ARM Linux distribution

ported to the Cortex-A8 RTSM. When launched, the

model automatically boots Linux and enters a state in

which you can load and debug your applications.

RTSMs are configured to mount a Virtual File System

(VFS). The processor running in simulation can access

files in the host computer’s file system as if they were part

of its ARM Linux file system.

Remote System Explorer SFTP and Terminal views.

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