On Thu, Mar 10, 2016 at 6:42 PM, Chris Johns <chr...@rtems.org> wrote:
> On 10/03/2016 09:25, Joel Sherrill wrote: > >> This was used to open, write, and close the VGA console and >> /dev/pcicom1 for testing purposes. >> > > Does this do the same thing? > > [/] # dd if=text.txt of=/dev/pcicom1 > > I didn't mean to submit this. It was a test command so I could very explicitly control calling open(), write(), and close(). I had debug printk's turned on to see the register accesses for each. That functionally does the same operations if you had a set of small files but you wouldn't see a break between open(), write() and close(). I don't know if it is worth being in the tree or not. It was a quickly thrown together utility for testing. If it has value, then we can rename it and add some requirements. My lspci command is similar. If we get every BSP to standard PCI support, it might be useful but until then, it is just a test utility. > Chris >
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