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bits=128/128); Wed, 29 Jan 2020 21:57:14 -0800 (PST) Subject: Re: [PATCH qemu v5] spapr: Kill SLOF To: Andrea Bolognani , David Gibson References: <20200110020925.98711-1-aik@ozlabs.ru> <20200121051100.GG265522@umbus.fritz.box> <2aee3928-0acb-65ee-de54-de2e8106a6ba@ozlabs.ru> <20200122063222.GJ2347@umbus.fritz.box> <6ccbb008-9300-0e4d-bfc2-873d8562cb68@ozlabs.ru> <20200123051156.GO2347@umbus.fritz.box> From: Alexey Kardashevskiy Autocrypt: addr=aik@ozlabs.ru; keydata= mQINBE+rT0sBEADFEI2UtPRsLLvnRf+tI9nA8T91+jDK3NLkqV+2DKHkTGPP5qzDZpRSH6mD EePO1JqpVuIow/wGud9xaPA5uvuVgRS1q7RU8otD+7VLDFzPRiRE4Jfr2CW89Ox6BF+q5ZPV /pS4v4G9eOrw1v09lEKHB9WtiBVhhxKK1LnUjPEH3ifkOkgW7jFfoYgTdtB3XaXVgYnNPDFo PTBYsJy+wr89XfyHr2Ev7BB3Xaf7qICXdBF8MEVY8t/UFsesg4wFWOuzCfqxFmKEaPDZlTuR tfLAeVpslNfWCi5ybPlowLx6KJqOsI9R2a9o4qRXWGP7IwiMRAC3iiPyk9cknt8ee6EUIxI6 t847eFaVKI/6WcxhszI0R6Cj+N4y+1rHfkGWYWupCiHwj9DjILW9iEAncVgQmkNPpUsZECLT WQzMuVSxjuXW4nJ6f4OFHqL2dU//qR+BM/eJ0TT3OnfLcPqfucGxubhT7n/CXUxEy+mvWwnm 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Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.3.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::1043 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-ppc@nongnu.org, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 28/01/2020 22:31, Andrea Bolognani wrote: > On Thu, 2020-01-23 at 16:11 +1100, David Gibson wrote: >> On Wed, Jan 22, 2020 at 06:14:37PM +1100, Alexey Kardashevskiy wrote: >>> On 22/01/2020 17:32, David Gibson wrote: >>>> I'm not thinking of "grub" as a separate option - that would be the >>>> same as "vof". Using vof + no -kernel we'd need to scan the disks in >>>> the same way SLOF does, and look for a boot partition, which will >>>> probably contain a GRUB image. >>> >>> I was hoping we can avoid that by allowing >>> "-kernel grub" and let grub do filesystems and MBR/GPT. >> >> I don't want that to be the only way, because I want the GRUB >> installed by the OS installer to be the GRUB we use. > > Agreed, the bootloader and the kernel should live inside the guest > image and not on the host's filesystem. Well, I tried. Added simple MBR+GPT parser, loaded ELF and discovered that load_elf32/64 does not parse ELFs from memory, only from files. Anyone keen on fixing that? :) My current workaround is to load grub from the disk, then store it /tmp and load this as it was passed via -kernel which is ugly.. -- Alexey