AMD Confidential

User Manual

November 21st, 2008

7.1 AweSim Processor Device

The AweSim processor device provides a simulation of an AMD microprocessor.

Interfaces

Three interfaces are used in the AweSim device:

CPU Bus 0. This interface is used to issue memory and I/O read and write requests, as well as cache control and input/output signal messages. This interface is generally connected to the Northbridge device.

Interrupt Bus. This interface is used to communicate interrupt request and acknowledge messages. This interface is connected to whichever device is used to generate and control interrupts - typically the Southbridge device.

System Messages Interface. This interface is used by the processor device to output ASCII and binary log information.

Initialization and Reset State

The processor device's state at initialization is equivalent to an industry-standard x86 processor at initialization. The L1 cache and APIC interfaces are disabled, the debugger is off, and the L1 cache is configured as two 2-way, 512-line, and 64-byte caches.

When the processor device receives a reset, the device resets its internal state in a manner consistent with a standard x86 processor. No configuration information is modified.

Contents of a BSD

The BSD file contains the current state of all internal processor registers, state variables, etc. It also contains all configuration information. Any memory configured locally to the processor is saved in the BSD.

Configuration Options

The Device Properties Window is used to set various processor identification and behavior options. Figure 7-1shows the Processor Type tab for the AweSim processor device. Here you can specify which member of the AMD microprocessor family should be simulated. The default is a standard AMD microprocessor. See Section A.2.3, Product Files (*.ID), on page 179.

Note: The public release version of the simulator doesn't contain any product files!

Chapter 7: Device Configuration

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AMD 4.4.5 AweSim Processor Device, Interfaces, Initialization and Reset State, Contents of a BSD, Configuration Options
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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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