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qemu hello world prints nothing..

From: ckim
Subject: qemu hello world prints nothing..
Date: Tue, 26 Jan 2021 16:01:37 +0900

Hello all,


I wish someone could help me here. Running a simple program on qemu is not easy for me.

I tried to run baremetal hello world program and found this web page.


This page is somewhat so old, but I decided to give it a try.


I followed the content except I changed

“ LDR sp, =stack_top”


“ldr x5, stack_top

msr sp_el0, x5”

(I’m not sure if this is ok BTW.)


And I used aarch64-elf- tool (this is for baremetal).

So the compile is ok until test.elf and test.bin.


When I execute

“qemu-system-aarch64 -M virt -cpu cortex-a57 -kernel test.bin -nographic”

nothing comes out.

What can be wrong?


Chan Kim


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