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Need for DTSL

DTSL addresses the growing complexity and customization of ARM-based SoCs using the CoreSight™ Architecture. Before the creation of DTSL, most debug tools were designed at a time when SoC debug architecture was much simpler. SoCs typically contained only one core, and if multiple cores were used, they were of different types and were accessed by dedicated debug channels. Debug tools designed during that time, including ARM® debuggers, cannot easily be scaled to more modern and complex debug architectures. DTSL is therefore designed to address several problems which older debug tools cannot easily address.

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