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Ancast images are encrypted and signed binaries for the Espresso processor to execute. The Espresso contains a secure Boot ROM that runs upon a PowerPC hard reset, which will only boot signed code. This code comes in the form of an ancast image. Before resetting the Espresso, the currently running Starbuck code (either IOSU or vWii IOS) must load the ancast image to 0x1330000 for the Boot ROM to verify and decrypt. The Cafe OS kernel, vWii System Menu, and vWii NANDLoader are all in the form of ancast images.
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Ancast images are encrypted and signed binaries for the Espresso processor to execute. The Espresso contains a secure [[Boot ROM]] that runs upon a PowerPC hard reset, which will only boot signed code. This code comes in the form of an ancast image. Before resetting the PPC, the currently running ARM code (either IOSU or vWii IOS) must load the ancast image to the physical address 0x08000000 (Wii U images) or 0x1330000 (vWii images) for the Boot ROM to verify and decrypt. The Cafe OS kernel, vWii System Menu, and vWii NANDLoader are all in the form of ancast images.
== Structure ==
== Structure ==