Soft emulator and realization method thereof
A technology of emulators and processor cores, applied in the field of soft emulators, can solve the problems of spending IC manufacturers' workload and time, affecting the time for determining new product specifications, and affecting the efficiency and timeliness of user trials, so as to speed up specification definition , Reduce cost input and improve efficiency
Active Publication Date: 2011-07-20
SHANGHAI HUAHONG INTEGRATED CIRCUIT
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Problems solved by technology
However, the existing soft emulators are usually developed for a certain chip specification, and the capacity and characteristics of the memory are not configurable. It is necessary for IC manufacturers to make new soft emulators according to user requirements, and then continue to provide user trials, which not only requires more work and time for IC manufacturers, but also affects the efficiency of user trials and the timeliness of conclusions, so that Affects timing of final new product specification determination
Method used
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Embodiment Construction
[0018] As shown in the figure, the software emulator 1 of the present invention includes a chip function simulation module 2 , a memory management configuration module 3 and a section of computer memory area 4 . The chip function simulation module 2 is used to simulate the functions of the processor core, peripherals, and coprocessors in the microprocessor chip. A segment of computer memory area 4 is a segment of memory in an address range that the software emulator 1 applies to the operating system for use, and is used to simulate the memory of a microprocessor chip. Since the capacity of computer memory is several hundred MB to 1-2 GB, the capacity of several MB at most is extremely sufficient compared to the memory of the microprocessor chip; therefore, the computer applied by the software emulator 1 to the operating system The size of the memory area 4 is the maximum memory capacity that the microprocessor chip can support, and will not affect the use of the memory by the ...
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The invention discloses a soft emulator which comprises a chip function analog module, a memorizer management and configuration module and a computer memory area. The memorizer management and configuration module can be configured by a user, the capacity and the type of a memorizer are selected, and the soft emulator conforming to the user requirements is formed through changing the configuration. The invention also discloses a realization method of the soft emulator. A novel soft emulator is not required to be newly manufactured by an IC manufacturer according to the user requirements, so that the cost investment of the IC manufacturer is reduced, and the user's trial efficiency and the conclusion acquisition timeliness are simultaneously improved, thereby facilitating the quick completion of profile definition of soft emulator chips and more quickly pushing the soft emulator a market.
Description
technical field [0001] The invention relates to a soft emulator used for emulation and debugging of microprocessor chips. The invention also relates to an implementation method of the soft emulator. Background technique [0002] In the development process of the on-chip software of the microprocessor chip (hereinafter referred to as the chip), an emulator matching the chip needs to be used. With the continuous promotion of microprocessor technology, the variety of manufacturers and microprocessors is also increasing. In order to seize the market at the fastest speed, it is necessary to develop an emulator that matches the chip in a timely manner. At present, the emulators used in the development of on-chip software for chips include hardware emulators and soft emulators. [0003] It takes a certain amount of time to design and make a hardware emulator, and the cycle is long. The software emulator does not involve the design and production of hardware, simulation chips, e...
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IPC IPC(8): G06F17/50
Inventor 许国泰
Owner SHANGHAI HUAHONG INTEGRATED CIRCUIT