[SeaBIOS] [Qemu-devel] [QEMU RFC PATCH 6/7] i386: topology & APIC ID utility functions

[Blue Swirl]

On Mon, Jul 23, 2012 at 7:28 PM, Eduardo Habkost <ehabkost at redhat.com> wrote:
> On Mon, Jul 23, 2012 at 07:11:11PM +0000, Blue Swirl wrote:
>> On Mon, Jul 23, 2012 at 6:59 PM, Eduardo Habkost <ehabkost at redhat.com> wrote:
>> > On Mon, Jul 23, 2012 at 04:49:07PM +0000, Blue Swirl wrote:
>> >> On Mon, Jul 16, 2012 at 5:42 PM, Eduardo Habkost <ehabkost at redhat.com> wrote:
>> >> > On Sat, Jul 14, 2012 at 09:14:30AM +0000, Blue Swirl wrote:
>> >> > [...]
>> >> >> >> > diff --git a/tests/Makefile b/tests/Makefile
>> >> >> >> > index b605e14..89bd890 100644
>> >> >> >> > --- a/tests/Makefile
>> >> >> >> > +++ b/tests/Makefile
>> >> >> >> > @@ -15,6 +15,7 @@ check-unit-y += tests/test-string-output-visitor$(EXESUF)
>> >> >> >> >  check-unit-y += tests/test-coroutine$(EXESUF)
>> >> >> >> >  check-unit-y += tests/test-visitor-serialization$(EXESUF)
>> >> >> >> >  check-unit-y += tests/test-iov$(EXESUF)
>> >> >> >> > +check-unit-y += tests/test-x86-cpuid$(EXESUF)
>> >> >> >>
>> >> >> >> This probably tries to build the cpuid test also for non-x86 targets
>> >> >> >> and break them all.
>> >> >> >
>> >> >> > I don't think there's any concept of "targets" for the check-unit tests.
>> >> >>
>> >> >> How about:
>> >> >> check-qtest-i386-y = tests/test-x86-cpuid$(EXESUF)
>> >> >
>> >> > test-x86-cpuid is not a qtest test case.
>> >>
>> >> Why not? I don't think it is a unit test either, judging from what the
>> >> other unit tests do.
>> >
>> > It is absolutely a unit test. I don't know why you don't think so. It
>> > simply checks the results of the APIC ID calculation functions.
>>
>> Yes, but the other 'unit tests' (the names used here are very
>> confusing, btw) check supporting functions like coroutines, not
>> hardware. Hardware tests (qtest) need to bind to an architecture, in
>> this case x86.
>
> test-x86-cpuid doesn't check hardware, either. It just checks the simple
> functions that calculate APIC IDs (to make sure the math is correct).
> Those functions aren't even used by any hardware emulation code until
> later in the patch series (when the CPU initialization code gets changed
> to use the new function).

By that time the function is clearly x86 HW and the check is an x86
hardware check. QEMU as whole consists of simple functions that
calculate something.


>
> --
> Eduardo