Building a rtems image

[Sambeet Panigrahi]

I have been trying to build a RTEMS image for GRUB2 following the
instructions from:
https://devel.rtems.org/wiki/Building/Grub

I have followed all instructions and placed the image  and the directory
structure in /home/sambeet/SimulRTEMS, the tree command in the directory
gives

.
|-- examples
|   `-- ticker.exe
|-- grub.cfg
|-- mkimage.sh
|-- qemu.sh
`-- rtems-boot.img

But when I do the following:

Holmes sambeet # ./qemu.sh
qemu-system-i386: -hda -hdb: Could not open '-hdb': No such file or
directory

I get the following output instead of Ticker.exe running and GRUB screen
appearing.

I have also followed the instructions from

http://jin-yang.github.io/blog/build-a-RTEMS-environment.html. There's the
same error there too.

I want to create and build a RTEMS image without using the usual
RTEMS-testing module to understand the process in detail.Can someone please
help?
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