On Thu, Oct 17, 2013 at 12:16:18PM +0200, Andrew Jones wrote:
> On Wed, Oct 16, 2013 at 06:06:35PM -0700, Christoffer Dall wrote:
> > > diff --git a/arm/boot.c b/arm/boot.c
> > > new file mode 100644
> > > index 0000000000000..375e8708a7c54
> >
> > this file's indentation is also funny, you should really check your
> > editor configuration :)
>
> Actually the editor prefers kernel style, I had to keep trying to
> force the other style on it, and now see below that I wasn't always
> successful. '++expected' should have had just a tab, not a
> tab+4spaces...
>
> > > --- /dev/null
> > > +++ b/arm/boot.c
> > > @@ -0,0 +1,27 @@
> > > +#include "libcflat.h"
> > > +#include "arm/bootinfo.h"
> > > +
> > > +static bool info_check(u32 var, char *expected)
> > > +{
> > > + char var_str[9];
> > > + snprintf(var_str, 9, "%x", var);
> > > + while (*expected == '0' || *expected == 'x')
> > > + ++expected;
> > > + return !strcmp(var_str, expected);
> > > +}
> > > +
> > > +int main(int argc, char **argv)
> > > +{
> > > + int ret = 0;
> > > +
> > > + if (argc < 3) {
> > > + printf("Not enough arguments. Can't test\n");
> > > + return 1;
> > > + }
> > > +
> > > + if (!strcmp(argv[0], "info"))
> > > + ret = !info_check(mem32.size, argv[1])
> > > + || !info_check(core.pagesize, argv[2]);
> > > +
> > > + return ret;
> > > +}
> >
> > I'm actually a little confused, when does this main get invoked and by
> > whom and what are we testing for here?
>
> See cstart.S:start 'bl main' below for the who invokes. And
> arm/unittests.cfg, also below, for the (poorly documented) test case
> definition. You'll see we config the test to have 256G memory, and then
> here we confirm that we read the bootinfo correctly, i.e. it says 256G.
The above 'G's are of course 'M's. Who remapped my keyboard?
drew
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