Method for dynamically loading embedded type Java processor microcode instruction set
A processor and instruction set technology, applied in the direction of program control device, program loading/starting, etc., can solve problems such as not, and achieve the effect of improving efficiency, convenient and efficient starting code
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[0025] The present invention will be further elaborated below in conjunction with the accompanying drawings.
[0026] The dynamic loading process of the microcode instruction set is as follows: figure 1 As shown, after the system is powered on, the instruction loading module will read the pre-stored instruction set (including the microcode instruction segment and the startup code segment) from the zero address of the external memory. Through the internal address mapping mechanism of the loading module, the corresponding microcode instructions and startup codes in the instruction set are written into each memory and register inside the chip. When the entire microcode instruction set has been correctly stored in the corresponding memory and registers inside the chip, the loading module outputs a signal indicating that the initialization is complete. At this time, after the processor receives a valid signal that the initialization is complete, it starts to execute the on-chip ins...
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