I’m currently working with OpenSBI and QEMU in a RISC-V environment. My goal is to read input from the console device (uart8250). I’ve been using the
sbi_ngets function defined in
sbi_console.c, but I’ve encountered an issue. The function doesn’t wait for input; instead, it jumps to the next instruction immediately.
As a temporary workaround, I inserted a no-op operation to introduce a 2-second delay. However, I’m looking for a more efficient solution. Is there a way to make a wait for input call, or could you suggest a better approach to address this issue?
Your insights and suggestions would be greatly appreciated!