Setup tools for compilment and entering GCC folder under riscv_nuclei_demo_soc_gcc
Using "make all" command to compile project
Using "make clean" command to clean project
Using "make debug" command to debug project
Using "make upload" command to upload project
OS configurations is under "OS_CONFIG" folder
Most information can be found in README.md
Signed-off-by: linzewen <linzewen@nucleisys.com>
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