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Vortex86DX3 questions and coreboot BIOS support
2019 年 01 月 20 日
New Member
Forum Posts: 5
Member Since:
2017 年 02 月 01 日

Good day Android_Lin! Thank you very much for helping me with 86duino coreboot/SeaBIOS configs 2 years ago Wink . Sadly the DMP boards have been removed from relatively recent coreboot BIOS 4.9 version because its' source code didn't switch from LATE_CBMEM_INIT to EARLY_CBMEM_INIT , but could be added back to coreboot if someone would do these changes. I'm not a programmer and can't do it by myself, so it would be really nice if someone from DMP could change from LATE to EARLY CBMEM INIT and that should help to return DMP boards to coreboot.

Also, if I understood it correctly : at the moment there are no 86duino with Vortex86DX3 CPU? I'm really interested in this latest DMP CPU because it seems to support i686 architecture which is required to run many Linux distributions that still support 32-bit. If there are no 86duino with Vortex86DX3 this is sad situation, and maybe I could look on the other DMP computers with Vortex86DX3 cpu, but only if it is supported by coreboot opensource BIOS. Why? opensource BIOS = no backdoors, and ability to add your custom features like put a wonderful floppy OS inside your BIOS image, like FreeDOS or KolibriOS - great x86 assembly OS with GUI and many nice apps, all fit on 1.44MB floppy! If you are interested, here is a command I am using to add any floppy to inside the coreboot.rom BIOS image:

./build/cbfstool build/coreboot.rom add -f ~/kolibri.img -n floppyimg/kolibri.lzma -t raw -c lzma

and then KolibriOS will be always available as a Ramdisk boot entry inside SeaBIOS boot menu Cool . Luckily LZMA compression is supported, so this floppy occupies not 1.44MB but much less space : KolibriOS compresses to 1.1MB, FreeDOS - to 700KB, and memtest - just to 45 KB ! Kiss This compression is very important if 86duino BIOS chip is not large. At the moment SeaBIOS does not support multiple floppies, but someone sent a patch which adds this support and it is available at SeaBIOS 2018 November / December mailing list as attached to message

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