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The scourge of x86 emulation

295 points · 100 comments · dagmx

  1. dagmx · · focus · HN ↗
    For reference , Fex is a translation framework for x86 to ARM much like Apple’s Rosetta2 and Microsoft’s Prism.

    Valve sponsor development as it’s also the way the new Steam Frame supports x86 games. It’s also being used (as a fork) in Crossover Beta to replace the use of Rosetta2.

    1. MiroslavPokorny · · focus · HN ↗
      Why doesnt Stream require their binaries to be compiled to some bytecode and transpiled during the install ?

      THen they wouldnt require any emulator for any new compiles.

      1. rwmj · · focus · HN ↗
        I don't know, but assumed that Valve doesn't require studios to recompile their software or use any special tooling, it's basically just packaging of existing executables. This is also why they do Windows on Linux emulation.
        1. cassianoleal · · focus · HN ↗
          > This is also why they do Windows on Linux emulation.

          They don't. They use WINE, which as the name says, Is Not an Emulator. :D

          (I'll let my pedantic self out now)

          1. mitxela · · focus · HN ↗
            despite the funny backronym, Wine actually IS a WINdows Emulator. Someone apparently told them that it's only called an emulator if it's emulating a CPU architecture, but that's not true.
            1. ekianjo · · focus · HN ↗
              its closer to a translator than an emulator
              1. mitxela · · focus · HN ↗
                What do you think an emulator is?
                1. MiroslavPokorny · · focus · HN ↗
                  A translater is a more accurate description of WINE. WINE literally translates API calls from the client program to the host OS.
                  1. mitxela · · focus · HN ↗
                    What do you think an emulator is?
                    1. MiroslavPokorny · · focus · HN ↗
                      For me an emulator works to simulate the hardware which is very different from translating API calls. THe result may appear to be same, but the approach is very different.
                      1. mitxela · · focus · HN ↗
                        Why is hardware the only thing that can be emulated?
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