I think my question has error.
Is it possible to run it on SCP? I mean loading from SD card the kernel, file system, dtb etc to the memory and calling kernel. ==> Is it possible to run it on SCP? I mean loading from SD card the kernel, file system, dtb etc to the memory and waking the main processor to start from kernel. Thank you. Chan Kim From: Chan Kim <c...@etri.re.kr> Sent: Thursday, October 14, 2021 12:03 PM To: 'François Ozog' <francois.o...@linaro.org> Cc: 'Tom Rini' <tr...@konsulko.com>; 'u-boot@lists.denx.de' <u-boot@lists.denx.de> Subject: RE: how to run u-boot on qemu arm64 virt machine? Hi Francois, Thanks for the good information. I’ll look into that later. Can I ask you a basic question? When there are SCP, MCP and the main processor, in what processor does u-boot program run? I understand it runs on the main processor. Is it possible to run it on SCP? I mean loading from SD card the kernel, file system, dtb etc to the memory and calling kernel. Thank you! Chan Kim From: François Ozog <francois.o...@linaro.org <mailto:francois.o...@linaro.org> > Sent: Wednesday, October 13, 2021 6:29 PM To: Chan Kim <c...@etri.re.kr <mailto:c...@etri.re.kr> > Cc: Tom Rini <tr...@konsulko.com <mailto:tr...@konsulko.com> >; u-boot@lists.denx.de <mailto:u-boot@lists.denx.de> Subject: Re: how to run u-boot on qemu arm64 virt machine? Hi You can find work in progress here too: http://releases.linaro.org/components/ledge/rp-0.2/ledge-multi-armv8/ For aarch64 there are virt and sbsa-ref machines. Virt is essentially to boot a VM while sbsa-ref is a reference platform that mimics all required hardware, firmware for the secure world (TF-A, OP-TEE) and firmware for normal world (U-Boot, EDK2). This technology (sbsa-ref) is really to simulate a system for pre-silicon development while virt shall be used in cloud native environments. We are working on something that we may end up calling bsa-ref (note the absence of initial S standing for “server”). Sbsa-ref is about edk2 and acpi, bsa-ref is about U-Boot and device tree. The directory points to this work in progress. You can have a look at SystemReady in Arm to understand and get details on bsa. In a future release of Qemu, one will be able to simulate a full platform with its main processor (as of today) but also SCP (system control processor) and MCP (management control processor). Cheers FF Le mer. 13 oct. 2021 à 07:03, Chan Kim <c...@etri.re.kr <mailto:c...@etri.re.kr> > a écrit : > > That's a very old QEMU version. We use v6.1.0 currently and v4.2.0 before > that. > > -- > Tom Thank you, Tom Yes, so I tried it now with v4.2.0 with "-nographic" option. (Without it I still see qemu manager window.) Chan Kim -- <https://static.linaro.org/common/images/linaro-logo-web.png> François-Frédéric Ozog | Director Business Development T: +33.67221.6485 <mailto:francois.o...@linaro.org> francois.o...@linaro.org | Skype: ffozog