Well, actually I notice your code does not check that the UART buffer is full which I think it is supposed to check, however from your mail it seems like it is not outputting anything?
On Wed, Dec 17, 2014 at 10:02 AM, Kevin McGuire <kmcg3...@gmail.com> wrote: > > I saw your post about your rust kernel. Did you ever figure out what was > wrong? > > Also have you tried using QEMU? > > First I would verify that your serial code is actually running. You could > triple fault the x86_64 to detect if it reaches a certain point. > > Also setup of serial port on QEMU for x86_64 is very easy. All you do is > send the data and check the buffer. I have some great example Rust code. > Now real hardware is different because it can be touchy if you dont > properly intialize it. > > Your code looks good okay so im wondering if it can be verified as running > - like I said QEMU can help you diagnose simple problems thsy will be > present in real hardware. Also be aware of QEMU monitor mode which lets you > dump the CPU registers during runtime so you can see exactly what the CPU > is executing. > > Let me know because I can likely help you a bunch. >
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