Date: Wed, 14 Oct 2020 08:37:43 +0200 From: Klaus Cucinauomo <maciphone2@googlemail.com> To: Mark Millard <marklmi@yahoo.com>, freebsd-arm@freebsd.org Subject: Re: 64-bit RPi4B u-boot hangup with modern rpi firmware: some information (but investigative-toolbox limited) Message-ID: <55705855-EC9F-4A59-A38C-77DBDEACC004@googlemail.com> In-Reply-To: <8EB23BD2-15C0-4679-87A9-87FE5906A7EA@googlemail.com> References: <290E51C0-0AF5-4C75-AA7B-BA56DF1AFDFB.ref@yahoo.com> <290E51C0-0AF5-4C75-AA7B-BA56DF1AFDFB@yahoo.com> <4114B1A0-03ED-4268-BA87-8CF196A935A4@googlemail.com> <F439DCA4-481E-4918-9ED4-2D9ECB2DD03F@yahoo.com> <D63E3FD9-72AD-4C61-BBA6-323D8FCA5775@googlemail.com> <C8A5CA35-A18A-41C0-A18E-2837CED23BB4@yahoo.com> <8EB23BD2-15C0-4679-87A9-87FE5906A7EA@googlemail.com>
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> Am 14.10.2020 um 08:18 schrieb Klaus Cucinauomo = <maciphone2@googlemail.com>: >=20 >=20 >=20 >> Am 14.10.2020 um 07:52 schrieb Mark Millard <marklmi@yahoo.com>: >>=20 >> =E2=80=A6...FreeBSD requires services from >> armstub8-gic.bin that are not otherwise present as things >> are (or that is my understanding). >=20 > as of today: correct understanding >=20 >>=20 >> ... I'll test vintages of start4*.elf and fixup4*.dat >> pairs and see if that identifies a specific set of changes >> to them... >=20 > IIRC =E2=80=9Ewe" can hack armstubs but we cannot hack start4*.elf & = fixup4*.dat , > but you can take a hexdump of start4*.elf to compare changes if you = feel like it, > while I doubt that will easy find the cause(s).. >=20 > K. >=20 .. also you can read this : https://github.com/raspberrypi/tools/issues/114 , a cool user =E2=80=9Eforced=E2=80=9C a commit related to the = boot-issue. I have compiled that armstub-version and copied over but of course I = didn=E2=80=99t expect it to fix our issue by one trial, because I have no clue where or by whom the fbsd-armstub-binaries were = compiled and merged in . I only =E2=80=9Eknow=E2=80=9C(or GUESS;-) that currently the = gonzo-psci-thing for starting CPU is dependent of the armstubs K.=
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