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== Wii (and Wii-Linux) boot process == === Common === | Your Wii starts | | boot0 (stored in mask ROM inside the Starlet) | | All looks good with boot1? If so, continue, if not, die. | | boot1 (stored on NAND) | | All looks good with boot2? If so, continue, if not, die. | | boot2 (stored on NAND) | | BRANCH - If BootMii installed as boot2, skip the to the step marked with '''[*]'''. Otherwise, continue directly below this | | PowerPC startup and SysMenu loads (I think? I can't find any info on necessarily when it happens, but I know it doesn't happen until at '''least''' here) === Linux, Gumboot, BootMii specific === | Depends on the user's setup, but somehow load BootMii, either via IOS or boot2 | | '''[*]''' BootMii begins trying to load armboot.bin from SD | | armboot.bin (MINI) loaded and begins executing | | '''BRANCH''' - If stock MINI, load <code>bootmii/ppcboot.elf</code>. If neagix modified MINI, load <code>gumboot/gumboot.elf</code>, then if failed, <code>bootmii/gui.elf</code>, then if failed, <code>bootmii/ppcboot.elf</code>. | | Code is now loaded on the Broadway and begins executing === Linux specific === | User selects Linux kernel, either via BootMii's file picker, or Gumboot's boot menu | | Linux kernel loaded from SD, into RAM, and starts executing | | Regular Linux kernel initialization | | Linux loads the compiled-in initramfs CPIO, and executed init from it | | internal-loader determines a valid version number to try to use (e.g. <code>4.5.0</code> -> <code>v4_5_0.ldr</code>) finds any partition on SD that holds that file | | That file is found, mounted, and swtich_root'ed into. Otherwise, die here | | the loader launches the boot menu, letting the user pick a distro to boot | | distro is picked, mounted, and switch_root'ed into | | regular Linux boot process for your selected distro continues here
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