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Discussion in 'Wii - Hacking' started by WiiForgotten, Jun 16, 2009.
I have bootmii installed as boot2
what is this Cboot
do i need it?
nah, it's for people without a vulnerable IOS or something to that effect.
No you don't need it. If I remember it's for people without downgrading possibilities. BTW it's cBoot2 not cBoot v2
Its for hacking an LU64 that's on 4.0 i believe. It basically uses Bootmii to install cIOS.
Hmm ok thanks
what CIOS does it install?
I'm not quite sure. Something at least rev11 though, as thats the earliest that will run on an LU64.
Never used it myself as most of the LU64's i've seen (like 3 or so of them) were 3.4. My friend attempted to mod his 4.0 LU64 but decided to get a chip instead.
Otherwise, the LU64s i saw were usually chipped, or occasionally, bricked (from a failed attempt to softmod by someone else).
It packs bits of both a boot2 wad and IOS36 into an armboot.bin file which is loaded by BootMii. You use a wad manager designed to run off of it to install cIOS Rev11 or higher.
So it doesn't permanently patch boot2? I don't have a need for it, but I was reading the readme for this thing and it didn't seem quite clear to me what it was doing.
no it isn't
Bootmii is permanent patch to Boot2
CBoot2 is a file from your sdcard, i.e modified armboot.bin
Here's a flowchart (what is in bold is what is actually permanently installed on your NAND):
boot1->bootmii->MINI(original armboot.bin)->BootMii Menu(ppcboot.elf)->???
boot1->bootmii->CBOOT2(modified armboot.bin)->patched IOS36->boot.dol
Maybe it's not *exactly* working like this (there might be a DOL loader launched first, I dunno) but you got the idea.
As mentionned CBOOT2 is a modified boot2 that:
- patches IOS36 back with the signature bug + the ability to delete himself
- load it in memory as the running IOS
- launch an application (boot.dol)
This way, the launched application can use that fakesigned IOS to do usual stuff (WAD installation, cIOS installation, downgrading, etc...).
CBOOT2 package includes a modified Wad Manager (modified so that it does not try to reload another IOS, like all libogc applications are doing, and doesn't lose this patched IOS36)
Definitively useful for those who are on 3.4 and above