RealView Debugger User Guide - ARM Information Center

Memory Mapping5.4 Viewing the memory mapThe Process Control pane provides a view of the memory mapping for the debug targetthat is running your application. This section describes how to use the map:• Working with the Map tab• Memory map configuration on page 5-8• Using the Map tab context menu on page 5-10.5.4.1 Working with the Map tabTo view the memory map:1. Connect to a suitable debug target.2. Enable memory mapping (see Enabling and disabling memory mapping onpage 5-4).3. Load an image, for example dhrystone.axf4. Select View → Memory Map tab to display the Process Control pane and bringthe Map tab to the front. The pane is displayed as a floating pane.Alternatively, if you have an instance of the Process Control pane that is docked,select the Map tab in that pane.5. Click on the plus signs to expand the entries, shown in Figure 5-3 on page 5-9.The Map tab displays a tree-like structure for each component of the memory mapshowing the start address, size, and access rule. A one-line text description can also beincluded. The way that memory is shown depends on your debug target becauseRealView Debugger populates this tab from:• built-in knowledge about the processor• target configuration information• the description in the target vehicle.For example, if you are working with an ARM architecture-based target, the first entryin the memory map shows Start (see Figure 5-3 on page 5-9) if the memory access ruleis defined as Any. If you are using a DSP-based target, the first entry in the map showsthe access rule for the type of memory at that location, for example Prog. Colored iconsare used to show the type of memory defined, see Display colors on page 5-8.With an image loaded, the Map tab is updated from details in the image itself. Thememory map is also automatically updated if any registers change that affect memorymapping.ARM DUI 0153G Copyright © 2002-2005 ARM Limited. All rights reserved. 5-7