<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Jun 15, 2016 at 8:53 AM, Gedare Bloom <span dir="ltr"><<a href="mailto:gedare@rtems.org" target="_blank">gedare@rtems.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">I have used the -kernel option I believe, before this change.<div><br></div><div>I'm not strictly worried about backward compat for the boot options, and it should be an easy fix for anyone, but should be clearly documented in release notes for the BSP if we don't accommodate it.<div><div class="h5"><br></div></div></div></div></blockquote><div><br></div><div>OK. </div><div><br></div><div>FWIW the boot command line arguments always overrode the </div><div>configure time options.</div><div><br></div><div>--joel</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Jun 14, 2016 at 10:27 PM, Joel Sherrill <span dir="ltr"><<a href="mailto:joel@rtems.org" target="_blank">joel@rtems.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">AFAIK no one has ever booted RTEMS on a PC using the -kernel option.<div><br></div><div>Use the boot floppy in rtems-testing git repo and the pc386 script in</div><div>sim-scripts in that repo. </div></div><div><div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Jun 14, 2016 at 7:40 PM, Saeed Ehteshamifar <span dir="ltr"><<a href="mailto:salpha.2004@gmail.com" target="_blank">salpha.2004@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><span><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><span style="font-size:12.8px">What qemu command are you using?</span></blockquote></span><div><b>-kernel </b></div><div>I haven't tried booting RTEMS via grub. How should I make a grub-bootable QEMU disk image? The process seems to be a bit tricky; I followed several guides on the Internet but none is working. Is there any guide on rtems wiki?<br></div><div><br></div><div>Update about kernel config options:</div><div>I tried configuring with <b>BSP_ENABLE_VGA=0 BSP_ENABLE_COM1_COM4=1 BSP_USE_COM1_AS_CONSOLE=1</b></div><div>and I got the following (still no output to stdio but booting source changes!):</div><div><img src="cid:ii_155517fb4bc49293" alt="Inline image 1" width="472" height="183"><br></div></div><div><div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Jun 14, 2016 at 7:50 PM, Joel Sherrill <span dir="ltr"><<a href="mailto:joel@rtems.org" target="_blank">joel@rtems.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>Chris might have broken this with his recent changes. But more likely....</div><div><br></div>What qemu command are you using?<br><br>I think Gedare's problem was that his grubmenu was not updated to this:<div><br></div><div><div>kernel= (hd0,0)/test.exe --console=/dev/com1</div></div><div><br></div><div>Before Chris' recent changes, the line would have read:</div><div><br></div><div><div>kernel= (hd0,0)/test.exe --console=com1</div></div><div><br></div><div>Notice the missing "/dev/" on --console. It greatly simplified the boot</div><div>argument parsing but requires boot args to be updated. </div><div><br></div><div>I asked for Gedare's opinion on another thread as to whether we need</div><div>to keep backwards compatibility but I don't think he has answered.</div><div><br></div><div>--joel</div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div>On Tue, Jun 14, 2016 at 11:22 AM, Saeed Ehteshamifar <span dir="ltr"><<a href="mailto:salpha.2004@gmail.com" target="_blank">salpha.2004@gmail.com</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><div dir="ltr">I've just seen Gedare's problem with this also, which was unfortunately unsolved. :(</div><div><div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Jun 14, 2016 at 6:20 PM, Saeed Ehteshamifar <span dir="ltr"><<a href="mailto:salpha.2004@gmail.com" target="_blank">salpha.2004@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi,<div><br></div><div>It seems that USE_COM1_AS_CONSOLE=1 is not effective for me. I'm configuring RTEMS with this option (bsp: pc386) and as a result, in my BSP install directory (specified by --prefix), I have:</div><div><b>./i386-rtems4.12/pc386/lib/include/bspopts.h:#define USE_COM1_AS_CONSOLE 1<br></b></div><div><b><br></b></div><div>However, when I run the hello example, nothing is output to the screen:</div><div><b>qemu-system-i386 -kernel $(find . -name hello.exe) -serial stdio -monitor null -nographic<br></b></div><div><b><br></b></div><div>Below is a screenshot of QEMU, which suggests that both Console and printk are using /dev/vgacons. Does this imply that the USE_COM... is taken as not effective?</div><div>And how should I correctly configure RTEMS to put the output to COM1 for pc386?</div><div><br></div><div><br></div><div><img src="cid:ii_1554fb0ba2dbaa31" alt="Inline image 1" width="454" height="262"><br></div><div><br></div><div>Thanks!</div><div><br></div><div>Best Regards,</div><div>Saeed</div></div>
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