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Question for the hardware enthusiasts.. if the PowerPC is now opensourced, how do programs such as QEMU emulate a closed ISA? reverse engineering?
by joshbaptiste 7y ago
Question for the hardware enthusiasts.. if the PowerPC is now opensourced, how do programs such as QEMU emulate a closed ISA? reverse engineering?
- wmf 7y agoThe PowerPC ISA was mostly documented and the patents generally only apply to hardware implementations, not software emulation. And realistically IBM never saw QEMU as a threat so they didn't destroy it (let's not mention Hercules though).
- joshbaptiste 7y agoah gotcha, thanks