Re: [Xen-devel] [PATCH v2 21/23] x86/boot: implement early command line parser in C

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Mon, Jul 20, 2015 at 04:29:16PM +0200, Daniel Kiper wrote:
> Current early command line parser implementation in assembler
> is very difficult to change to relocatable stuff using segment
> registers. This requires a lot of changes in very weird and
> fragile code. So, reimplement this functionality in C. This
> way code will be relocatable out of the box and much easier
> to maintain.
> 
> Suggested-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> Signed-off-by: Daniel Kiper <daniel.kiper@xxxxxxxxxx>

I did not look at the str* functions that were added in but just
at how the parameters parsing was done. Also at the assembler code and
with that

Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
.. snip..
> diff --git a/xen/arch/x86/boot/cmdline.c b/xen/arch/x86/boot/cmdline.c
> new file mode 100644
> index 0000000..5ea50a4
> --- /dev/null
> +++ b/xen/arch/x86/boot/cmdline.c
> @@ -0,0 +1,396 @@
> +/*
> + * Copyright (c) 2015 Oracle Co.


Oracle Corporation.

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