Garbage collecting method based on Java system on chip (SoC) with stack system structure
A technology of garbage collection and architecture, applied in resource allocation, multiprogramming device, memory address/allocation/relocation, etc., can solve the problem of inability to guarantee recovery of memory, inability to predict garbage collection time, and inability to meet high real-time requirements in the embedded field. performance requirements and other issues to achieve the effect of improving efficiency and saving processor resources
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[0029] The present invention will be further elaborated below in conjunction with the accompanying drawings.
[0030] Garbage collection method of the present invention is aimed at the Java SoC system based on stack architecture, and this system only supports Java as target language, and local method adopts microcode or Java subroutine to realize, and microcode is all realized by hardware circuit, so does not need to design Local method stack. In the specific implementation, the physical memory is divided into processor off-chip RAM and on-chip RAM. The former is used for method area and heap allocation, and the latter is used to build the Java stack. After weighing, its methods are divided into static domains Table, bytecode table, class structure table, string constant table and JVM redundancy information table five parts, such as Figure 5 shown.
[0031] Such as figure 1As shown, the garbage collection method of the Java SoC system based on the stack architecture of the ...
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