AMD Confidential

User Manual

November 21st, 2008

which will step into calls, interrupts, etc., executing the next instruction regardless of its type.

4.The debugger will repeat the last entered command, if you just type Enter in the command edit window. So, you can repeatedly execute the pretty trace command by entering P once, then repeatedly hitting the Enter key.

5.The simulation can be returned to continuous execution by entering G. This executes the debugger's Go command.

10.1.4 Skipping an Instruction

1.Stop the simulation as described in Section 3.1, “Tool Bar Buttons”, on page 7.

2.Setup a breakpoint to break at the instruction that you want to step over (see Section 10.1.1, “Setting a Breakpoint”, on page 147). Execute to the breakpoint.

3.Determine the EIP of the next instruction after the one to be skipped. This can easily be determined by viewing the disassembly listing in the debugger. The top line in the disassembly listing is the instruction pointed to by the current EIP (the instruction that you wish to skip).

4.Use the debugger's R command to change the value in the EIP register. This can be done by typing R EIP = new_value on the debugger command line. In this case, new_value is the linear address of the instruction that follows the one that you want to skip.

5.Enter G on the debugger command line. This will execute the debugger's Go command. CPU execution will resume.

10.1.5 Viewing a Memory Region

1.Stop the simulation as described in Section 3.1, “Tool Bar Buttons”, on page 7.

2.Open the Debugger Window (“View→Show Debugger”) or click on . The simulation will pause and the Debugger Window will appear.

3.When the Debugger Window has attention, use the debugger's DB, DW, DD, or DQ command to display the contents of a memory region in the debugger. The second letter of the command specifies the display format for the dump. The DB command displays byte format, DW displays word format, DD displays dword format, and DQ displays qword format. Each of these commands requires a second parameter that specifies the beginning address (in hex) of the memory dump. A linear address can be specified by adding a „,L‟ suffix to the address. Similarly, a physical address can be specified by adding a „,P‟ suffix to the address. Examples of the memory-dump commands are shown in Table 10-2.

4.After the first memory range is displayed, you can repeatedly hit Enter to advance the display to the next sequential memory block.

 

Command

 

Description

 

 

 

DB 010,p

 

Dump memory

in byte format, starting at

physical

 

 

address, 0x00000010.

 

 

 

 

 

 

DW abcd1234,L

 

Dump memory

in word format, starting

at linear

 

 

address, 0xABCD1234.

 

 

 

 

 

DQ c001c0de,L

Dump memory in quad word format, starting at linear

address, 0xC001C0DE.

 

Chapter 10: CPU Debugger

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4.4.5 specifications

AMD 4.4.5 is a robust version of the AMD software ecosystem that focuses on enhanced performance, stability, and efficiency for users relying on AMD processors and graphics cards. This iteration brings various features and technologies designed to optimize gaming, professional applications, and general computing tasks.

One of the standout enhancements in AMD 4.4.5 is the integration of Smart Access Memory technology, which allows the CPU to access the full graphics memory directly. This feature enhances data flow between the CPU and GPU, leading to improved frame rates and overall performance, especially in memory-intensive games. Users can experience a marked increase in gaming performance without the need for additional hardware upgrades.

Another significant feature introduced is the updated Radeon Software Adrenalin Edition. This software update encompasses optimizations for various games, ensuring that gamers can enjoy a seamless experience with the latest titles. The Adrenalin interface also provides features such as Radeon Chill, which helps reduce power consumption during less demanding scenes, and Radeon Anti-Lag, designed to minimize input lag and enhance responsiveness in competitive gaming.

Additionally, AMD 4.4.5 brings the latest drivers that include important performance enhancements and bug fixes that allow for greater system stability. Regular updates ensure that users have the best experience with their AMD hardware, and it significantly bolsters compatibility with the latest gaming titles and software applications.

AMD's Enhanced Sync technology offers users the ability to eliminate screen tearing and stuttering while delivering smooth gameplay. It dynamically synchronizes the refresh rate of the display with the frame rates produced by the GPU, improving the visual experience significantly.

With the introduction of FidelityFX Super Resolution, AMD continues to bolster its suite of technologies that enhance graphics quality and performance. This feature allows lower-resolution images to be upscaled effectively, making it easier for users to enjoy high-end visuals without taxing their hardware excessively.

In summary, AMD 4.4.5 represents a comprehensive update for users by integrating cutting-edge technologies that cater to a wide range of applications from gaming to content creation. With enhancements across the board, AMD reaffirms its commitment to providing high-performance solutions that keep pace with the ever-evolving technology landscape. Whether for gaming aficionados or professional creators, the capabilities offered in this version make it a significant milestone in the AMD software ecosystem.
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