<div dir="ltr">Turns out the grubmenu on the virtual floppy (e.g. pc_fda file) was<div>out of date also. So it failed for me until I changed it to this:</div><div><br></div><div><div>timeout=0</div><div>default=0</div><div>serial --unit=0 --speed=9600</div><div>terminal serial</div><div>title= Automatically Run Test</div><div>kernel= (hd0,0)/test.exe --console=/dev/com1 --printk=/dev/com1</div></div><div><br></div><div>Then the examples-v2 hello_world_c worked perfectly.</div><div><br></div><div>--joel</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Aug 22, 2016 at 11:32 AM, 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 class=""><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex" class="gmail_quote">QEMU doesn't show any error, just the blank screen, so I am not able to figure out what,s wrong with my code,can somebody help?</blockquote></span><div>Nothing is wrong with your code. As Joel said, kernel arguments format changed. So I guess for your own version of hello (from examples-v2), if you invoke qemu with <b>-append "--console=com1" </b>rather than <b>-append "--console=/dev/com1"</b>, it would work.<br></div><div>Have you configured RTEMS with USE_COM1_AS_CONSOLE=1 ?<br></div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="h5">On Sun, Aug 21, 2016 at 8:31 AM, Sambeet Panigrahi <span dir="ltr"><<a href="mailto:sambeet161616@gmail.com" target="_blank">sambeet161616@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 class="h5"><div dir="ltr"><span style="font-size:12.8px">Hi,</span><div style="font-size:12.8px">I followed the <a href="https://devel.rtems.org/wiki/Developer/Simulators/QEMU" target="_blank">https://devel.rtems.org/wi<wbr>ki/Developer/Simulators/QEMU</a> </div><div style="font-size:12.8px"> simulate RTEMS for i386. I used the hello world example from examples-v2 repository. The source code is directly taken from RTEMS C user guide.</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px"><div>/*</div><div> * Classic API Hello World</div><div> */</div><div><br></div><div>#include <rtems.h> //Contains the RTEMS datatypes</div><div>#include <stdlib.h>//Standard C library</div><div>#include <stdio.h>//Standard C input ouput library</div><div><br></div><div>rtems_task Init(</div><div> rtems_task_argument ignored</div><div>)</div><div>{</div><div> printf( "\n\n*** MODIFIED HELLO WORLD TEST ***\n" );</div><div> printf( "Hello Sambeet!How are You?\n" );</div><div> printf( "*** END OF MODIFIED HELLO WORLD TEST ***\n" );</div><div> exit( 0 );</div><div>}</div><div><br></div><div>/* configuration information */</div><div><br></div><div>#include <bsp.h></div><div><br></div><div>/* NOTICE: the clock driver is explicitly disabled */</div><div>#define CONFIGURE_APPLICATION_DOES_NOT<wbr>_NEED_CLOCK_DRIVER</div><div>#define CONFIGURE_APPLICATION_NEEDS_CO<wbr>NSOLE_DRIVER</div><div>#define CONFIGURE_USE_DEVFS_AS_BASE_FI<wbr>LESYSTEM</div><div><br></div><div>#define CONFIGURE_RTEMS_INIT_TASKS_TAB<wbr>LE</div><div>#define CONFIGURE_MAXIMUM_TASKS 1</div><div><br></div><div>#define CONFIGURE_INIT</div><div>#include <rtems/confdefs.h></div><div>/* end of file */</div></div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">I compiled it using RTEMS GCC, the exact same commands as the makefile i.e. </div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">/home/sambeet/NewRockPort/x86/<wbr>Install/rtems/4.11.0-rc3/bin/i<wbr>386-rtems4.11-gcc --pipe -B/home/sambeet/NewRockPort/x8<wbr>6/Install/rtems/4.11.0-rc3/i38<wbr>6-rtems4.11/pc486/lib/ -specs bsp_specs -qrtems -Wall -O2 -g -mtune=i486 -o o-optimize/test.exe test.c</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">that was because makefile was showing some errors</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px"><div>sambeet@Holmes ~/Documents/GitRepos/examples/<wbr>examples-v2/hello/hello_world_<wbr>c $ make </div><div>i386-rtems4.11-gcc --pipe -B/home/sambeet/NewRockPort/x8<wbr>6/Install/rtems/4.11.0-rc3/i38<wbr>6-rtems4.11/pc486/lib/ -specs bsp_specs -qrtems -Wall -O2 -g -mtune=i486 -c -o o-optimize/test.o test.c</div><div>/bin/bash: i386-rtems4.11-gcc: command not found</div><div>make: *** [o-optimize/test.o] Error 127</div></div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">Now I generated the executable successfully but when I run it in QEMU.I get a blank screen.However when I try this which comes with i386 testsuites, I get the output</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px"><div>/*</div><div> * COPYRIGHT (c) 1989-2012.</div><div> * On-Line Applications Research Corporation (OAR).</div><div> *</div><div> * The license and distribution terms for this file may be</div><div> * found in the file LICENSE in this distribution or at</div><div> * <a href="http://www.rtems.org/license/LICENSE" target="_blank">http://www.rtems.org/license/<wbr>LICENSE</a>.</div><div> */</div><div><br></div><div>#ifdef HAVE_CONFIG_H</div><div>#include "config.h"</div><div>#endif</div><div><br></div><div>#include <rtems/test.h></div><div><br></div><div>#include <bsp.h> /* for device driver prototypes */</div><div><br></div><div>#include <stdio.h></div><div>#include <stdlib.h></div><div><br></div><div>/* forward declarations to avoid warnings */</div><div>rtems_task Init(rtems_task_argument argument);</div><div><br></div><div>const char rtems_test_name[] = "HELLO WORLD";</div><div><br></div><div>rtems_task Init(</div><div> rtems_task_argument ignored</div><div>)</div><div>{</div><div> rtems_test_begin();</div><div> printf( "Hello World\n" );</div><div> rtems_test_end();</div><div> exit( 0 );</div><div>}</div><div><br></div><div><br></div><div>/* NOTICE: the clock driver is explicitly disabled */</div><div>#define CONFIGURE_APPLICATION_DOES_NOT<wbr>_NEED_CLOCK_DRIVER</div><div>#define CONFIGURE_APPLICATION_NEEDS_CO<wbr>NSOLE_DRIVER</div><div><br></div><div>#define CONFIGURE_MAXIMUM_TASKS 1</div><div>#define CONFIGURE_USE_DEVFS_AS_BASE_FI<wbr>LESYSTEM</div><div><br></div><div>#define CONFIGURE_RTEMS_INIT_TASKS_TAB<wbr>LE</div><div><br></div><div>#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION</div><div><br></div><div>#define CONFIGURE_INIT</div><div>#include <rtems/confdefs.h></div></div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">QEMU doesn't show any error, just the blank screen, so I am not able to figure out what,s wrong with my code,can somebody help?</div></div>
<br></div></div><span class="">______________________________<wbr>_________________<br>
users mailing list<br>
<a href="mailto:users@rtems.org" target="_blank">users@rtems.org</a><br>
<a href="http://lists.rtems.org/mailman/listinfo/users" rel="noreferrer" target="_blank">http://lists.rtems.org/mailman<wbr>/listinfo/users</a><br></span></blockquote></div><br></div>
<br>______________________________<wbr>_________________<br>
users mailing list<br>
<a href="mailto:users@rtems.org">users@rtems.org</a><br>
<a href="http://lists.rtems.org/mailman/listinfo/users" rel="noreferrer" target="_blank">http://lists.rtems.org/<wbr>mailman/listinfo/users</a><br></blockquote></div><br></div>