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| + | {{DISPLAYTITLE:boot0}} |
| + | <span style="background: #F1EBEB; border: 2px #CACACA solid; padding: 2px 1px 2px 4px;"> |
| + | [[File:Wii.png |30px|30px]] This topic has a Wiibrew article. For more information, check [http://wiibrew.org/wiki/boot0 here].</span> |
| + | |
| + | '''boot0''' is the first-stage bootloader of the Wii, contained within a Mask ROM chip inside the [[Hollywood]] package. It is a very small piece of code which serves only to initialize the Wii's GPIOs, and to load and verify [[boot1]]. Since it is stored on Mask ROM, it cannot be modified. |
| + | |
| + | == Behavior == |
| + | boot0 starts by initializing the Wii hardware, then reading the first pages of NAND (which are meant to contain boot1) and verifying them using the boot1 hash in the Wii's [[OTP]]. If the hash is mismatched, the system will halt. If the hash matches, the system will continue. If the OTP is blank, the system will continue. |
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| + | This behavior prevents boot1 from being modified once the OTP is programmed (at the [[Wii Factory Process|factory]] for normal retail systems). |
| + | |
| + | {{Template:WiiNavbox}} |
| + | |
| + | [[Category:Wii]] |
| + | |
| + | [[Category:Nintendo]] |
| + | |
| + | [[Category:Firmware]] |