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"Отчёт о развитии FreeBSD за четвёртый квартал 2015 года" Отправлено _uniman, 15-Фев-16 15:26
>> you still have to load the U-Boot code from an SD card >Какую букву вам перевести? Внезапно: https://github.com/raspberrypi/firmware * ./boot: start*.elf, bootcode.bin are the GPU firmware and bootloaders.   Their licence is described in 'LICENCE.broadcom'. The kernel*.img and *.dtb   files are builds of the Linux kernel, released under the GPL (see COPYING.linux) PHASE ONE: Initialize the hardware ================================== This first boot phase is common to any use of RaspberryPi, whether you're booting Linux, FreeBSD, or any other software.  It loads a series of proprietary boot loader files that initialize the hardware and ultimately load and run some executable. https://github.com/freebsd/crochet/tree/master/board/Raspber... These initial bits are loaded from the first partition on the SD card. That partition must be formatted as FAT16 or FAT32. * At power on, the ARM core is off and the GPU is on.  SDRAM is disabled. * GPU ROM code reads bootcode.bin from SD card and executes it on the GPU. * bootcode.bin enables SDRAM and loads start.elf ... Далее u-boot, и загрузка ядра из сети. В чем проблемы? Что первичный загрузчик (проприентарный) считываеться GPU from board SD card?

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Сообщение*:	>>> you still have to load the U-Boot code from an SD card >>Какую букву вам перевести? > Внезапно: > https://github.com/raspberrypi/firmware > * ./boot: start*.elf, bootcode.bin are the GPU firmware and bootloaders. > Their licence is described in 'LICENCE.broadcom'. The kernel*.img and *.dtb > files are builds of the Linux kernel, released under the > GPL (see COPYING.linux) > PHASE ONE: Initialize the hardware > ================================== > This first boot phase is common to any use of RaspberryPi, whether > you're booting Linux, FreeBSD, or any other software. It loads a > series of proprietary boot loader files that initialize the > hardware and ultimately load and run some executable. > https://github.com/freebsd/crochet/tree/master/board/RaspberryPi2 > These initial bits are loaded from the first partition on the SD > card. > That partition must be formatted as FAT16 or FAT32. > * At power on, the ARM core is off and the GPU > is on. SDRAM is disabled. > * GPU ROM code reads bootcode.bin from SD card and executes it > on the GPU. > * bootcode.bin enables SDRAM and loads start.elf > ... > Далее u-boot, и загрузка ядра из сети. > В чем проблемы? Что первичный загрузчик (проприентарный) считываеться GPU from board SD > card?
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