Microelectronics

Co-verification of Hardware and Software for ARM SoC Design by Jason Andrews

By Jason Andrews

Hardware/software co-verification is easy methods to ensure that embedded method software program works accurately 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 is often the 1st booklet to use this verification strategy to the swiftly transforming into 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 mandatory details to make informed judgements approximately which instruments and technique 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. earlier, the appropriate details on the way it all matches jointly has now not been to be had. Andrews, a famous specialist, presents in-depth information regarding how co-verification particularly works, tips to succeed utilizing it, and pitfalls to prevent. He illustrates those ideas utilizing concrete examples with the ARM center - a know-how that has the dominant industry percentage in embedded process product layout. The significant other CD-ROM includes all resource code utilized in the layout examples, a searchable book model, and beneficial layout instruments. * the one ebook on verification for systems-on-a-chip (SoC) out there * Will store engineers and their businesses time and cash by way of displaying them easy methods to accelerate the checking out method, whereas nonetheless warding off expensive blunders * layout examples use the ARM middle, the dominant expertise 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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Vendors selling chips to the SoB market provide value and differentiation in one of two areas, either high-performance or high-integration. High performance chips are the latest and greatest chips with the fastest clock rates. Many embedded systems require maximum processor performance to meet design requirements. Examples of high-performance microprocessors used in embedded systems are the Motorola MPC7455 and the PMC-Sierra RM9000. These are 32- and 64-bit devices capable of clock speeds in excess of 1 GHz.

The particular block of code implementing the register will not use all 32 bits of address, only a subset of the address. Also, not all bits of the register may be easily located as a 32-bit wide register in verilog. The path from the CPU bus to this register is not so easy to trace. A fragment of how a configuration register for a memory controller is implemented is shown in Figure 2-7. For this 32-bit register only 8 bits are meaningful and the register is implemented as multiple smaller registers that are concatenated together to form the register value when read from software.

They can be accessed using coprocessor instructions or be memory mapped and accessed using data load and store instructions. 37 Chapter 2 CP15 Translation Table Base Registers r2 Translation Table Base 31 Should Be Zero 14 13 0 MRC p15, 0, R1, c2, c0, 0 ; read TTBR MCR p15, 0, R1, c2, c0, 0 ; write TTBR Figure 2-6: Example programmable register The hardware design looks much different. The particular block of code implementing the register will not use all 32 bits of address, only a subset of the address.

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