By Jason Andrews
Hardware/software co-verification is how one can ensure that embedded method software program works properly with the undefined, and that the has been appropriately designed to run the software program effectively -before huge sums are spent on prototypes or production. this can be the 1st booklet to use this verification strategy to the swiftly turning out to be box of embedded systems-on-a-chip(SoC). As conventional embedded approach layout evolves into single-chip layout, embedded engineers has to be armed with the required info to make knowledgeable judgements approximately which instruments and method to install. SoC verification calls for a mixture of services from the disciplines of microprocessor and desktop structure, good judgment layout and simulation, and C and meeting language embedded software program. previously, the proper details on the way it all suits jointly has now not been to be had. Andrews, a well-known professional, presents in-depth information regarding how co-verification relatively works, easy methods to succeed utilizing it, and pitfalls to prevent. He illustrates those ideas utilizing concrete examples with the ARM middle - a expertise that has the dominant marketplace proportion in embedded approach product layout. The spouse CD-ROM includes all resource code utilized in the layout examples, a searchable booklet model, and helpful layout instruments. * the single publication on verification for systems-on-a-chip (SoC) out there* Will keep engineers and their businesses time and cash by means of displaying them find out how to accelerate the trying out technique, whereas nonetheless fending off expensive blunders* layout examples use the ARM center, the dominant know-how in SoC, and the entire resource code is incorporated at the accompanying CD-Rom, so engineers can simply use it of their personal designs
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Extra info for Co-verification of Hardware and Software for ARM SoC Design (Embedded Technology)
15 Chapter 1 Hardware Design Once the architecture is set and the processor(s) have been selected, the next step is hardware design, component selection, Verilog and VHDL coding, synthesis, timing analysis and physical design of chips and boards. The hardware design team will generate some important data for the software team such as the CPU address map(s) and the register deﬁnitions for all software programmable registers. As we will see, the accuracy of this information is crucial to the success of the entire project.
In critical applications, such as servers, techniques such as ECC (error correcting codes) and RAID (redundant array of inexpensive disks) are used to provide higher reliability for memory and disk storage. Most embedded systems are not allowed to crash. Reliability is accomplished using both hardware and software to detect problems and correct them. A watchdog timer is an example of a software technique used to correct a problem. Embedded systems also have a higher probability of being reliable since the software is tightly controlled and thoroughly tested.
For example, the Nokia mobile phone started as a set of discrete components for the CPU, DSP, memory and supporting hardware. This was one of the ﬁrst applications to merge the CPU, DSP and other logic into what we now call an SoC. Increased integration brings increased risk and decreased ﬂexibility. Integration decisions can be difﬁcult because of the risk involved. The Nokia phone had many choices for discrete CPUs, though choices became limited once the CPU and DSP were integrated into a more complex custom chip.