Date: Sun, 21 Jul 2013 14:29:10 -0700 From: Juli Mallett <juli@clockworksquid.com> To: Warner Losh <imp@bsdimp.com> Cc: Warner Losh <imp@freebsd.org>, "freebsd-mips@freebsd.org" <freebsd-mips@freebsd.org> Subject: Re: Can we undo the octeon hack? Message-ID: <CACVs6=_Ss_C0v_eHFzOsM1QKi43EU4j3SUmOTsC=XmhMFPqeAw@mail.gmail.com> In-Reply-To: <F0B68A50-B5BF-426E-874C-1EFC03CAEAEB@bsdimp.com> References: <CAJ-VmonJg2BhBdckFb1O79ZnWrXKZhT%2Bku9SjuswLui6iZC1Ow@mail.gmail.com> <6401792509903023722@unknownmsgid> <F0B68A50-B5BF-426E-874C-1EFC03CAEAEB@bsdimp.com>
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I would really like a std.pci or something, too, so we don't have to
enumerate all the PCI devices in every config.
On Sun, Jul 21, 2013 at 1:51 PM, Warner Losh <imp@bsdimp.com> wrote:
> These should really be in the std.foo files for each specific subport. That way atheros could have one set, and octeon could have another.
>
> I do know that we don't do the std.foo thing for the atheros config files, but we really should start, and this would be a good place to start...
>
> Warner
>
> On Jul 21, 2013, at 12:54 PM, Juli Mallett wrote:
>
>> Making it possible to override each value would be ideal but
>> cumbersome. If you want to do that, by all means do!
>>
>> Thanks,
>> Juli.
>>
>> On 2013-07-21, at 11:44, Adrian Chadd <adrian@freebsd.org> wrote:
>>
>>> Hi Juli/Warner,
>>>
>>> Is it possible to undo this particular hack, and allow these values to
>>> be overridden in the kernel config files?
>>>
>>> from kern.pre.mk
>>>
>>> CFLAGS= ${COPTFLAGS} ${C_DIALECT} ${DEBUG} ${CWARNFLAGS}
>>> CFLAGS+= ${INCLUDES} -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include
>>> opt_global.h
>>> .if ${COMPILER_TYPE} != "clang"
>>> CFLAGS+= -fno-common -finline-limit=${INLINE_LIMIT}
>>> .if ${MACHINE_CPUARCH} != "mips"
>>> CFLAGS+= --param inline-unit-growth=100
>>> CFLAGS+= --param large-function-growth=1000
>>> .else
>>> # XXX Actually a gross hack just for Octeon because of the Simple Executive.
>>> CFLAGS+= --param inline-unit-growth=10000
>>> CFLAGS+= --param large-function-growth=100000
>>> CFLAGS+= --param max-inline-insns-single=10000
>>> .endif
>>> .endif
>>>
>>> I'd like to be able to experiment with different inline settings in
>>> order to try and squeeze kernels down to be smaller.
>>>
>>> Thanks!
>>>
>>>
>>> -adrian
>
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