Hi everybody, I have built my own ARM CPU in gem5 atomic, which works like a coprocessor. Whenever there is a pthread_create call, that function runs on mycpu and after pthread_join the progran executes on the main cpu.
I am trying out multiple pthread_create-pthread_join pairs (2 pairs to start with) for the only one function. When I compile my program using -lpthread flag the program runs fine for the first create-join pair, but when when it comes to second pthread_create, I get "*fatal: Called sys_clone, but no unallocated thread contexts found!" *message. So then I compile my program by linking pthread.o from m5threads and ran it. Now, in the first pthread_create my program does not exit and is stuck (freezes with a blinking cursor) after executing mycpu, meaning it is not exiting properly from mycpu. Surprisingly, I do not get any error when I run a function with hello world. It runs perfectly when I use pthread.o to link. It would be great if someone could guide me in this problem. Best, Mahesh
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