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Download ARM System Developer's Guide: Designing and Optimizing by Andrew Sloss, Dominic Symes, Chris Wright PDF

By Andrew Sloss, Dominic Symes, Chris Wright

The e-book is particularly good written and the language is straightforward to appreciate, so long as you could have a few uncomplicated wisdom approximately meeting language and C programming.

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Additional info for ARM System Developer's Guide: Designing and Optimizing System Software (The Morgan Kaufmann Series in Computer Architecture and Design)

Sample text

Both execute architecture v5TE instructions. They also support the optional embedded trace macrocell (ETM), which allows a developer to trace instruction and data execution in real time on the processor. This is important when debugging applications with time-critical segments. The ARM946E-S includes TCM, cache, and an MPU. The sizes of the TCM and caches are configurable. This processor is designed for use in embedded control applications that require deterministic real-time response. In contrast, the ARM966E does not have the MPU and cache extensions but does have configurable TCMs.

The N flag is set to bit 31 of the result. The Z flag is set if the result is zero. 1 Move Instructions Move is the simplest ARM instruction. It copies N into a destination register Rd, where N is a register or immediate value. This instruction is useful for setting initial values and transferring data between registers. 2, gives a full description of the values allowed for the second operand N for all data processing instructions. Usually it is a register Rm or a constant preceded by #. Example This example shows a simple move instruction.

The families are based on the ARM7, ARM9, ARM10, and ARM11 cores. The postfix numbers 7, 9, 10, and 11 indicate different core designs. The ascending number equates to an increase in performance and sophistication. ARM8 was developed but was soon superseded. 9 shows a rough comparison of attributes between the ARM7, ARM9, ARM10, and ARM11 cores. The numbers quoted can vary greatly and are directly dependent upon the type and geometry of the manufacturing process, which has a direct effect on the frequency (MHz) and power consumption (watts).

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