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> There are some real ports of Linux for "limited" architectures, like uClinux reginaldo (a guy who posted his emulator (jslm32) last time this was on HN) actu

> There are some real ports of Linux for "limited" architectures, like uClinux reginaldo (a guy who posted his emulator (jslm32) last time this was on HN) actually uses uClinux on LatticeMico32. [1]: https://github.com/ubercomp/jslm32 https://github.com/ubercomp/jslm32 I'm considering trying to get this to compile on Emscripten. It's so self-contained that I think it will be fairly unproblematic. Emscripten's 64-bit math emulation surely won't be needed. Does anyone know if a ARM emulator in JavaScript exists already?

danellis 14y ago
I started writing one in Dart a couple of days ago, but I know others already exist, including ones that port existing emulators (such as QEMU) using Emscripten.
- iso8859-1 14y ago
  Will you open source it? :) Found you on Github, it's not there.
  - danellis 14y ago
    Oh, absolutely. It's not like I'll use it for anything other than saying, "Hey, look at RISC OS running (slowly) in a browser!", which is the end goal.
    - iso8859-1 14y ago
      Did you consider using an existing platform like https://github.com/asmblah/jemul8 https://github.com/asmblah/jemul8 ? Would be nice with a multiple-CPU emulator in JavaScript.
      - danellis 14y ago
        I think it would be more trouble than it's worth to take an x86 emulator and try to make it do ARM as well, unless it was written with multiple CPU types in mind in the first place. But more importantly, it's written in JavaScript -- this is an exercise in learning Dart. I do refer to various C-based implementations from time to time, though.
vidarh 14y ago
You can boot Linux in the browser already. Or do you have another interesting use specifically for an ARM emulator
- andthen22 14y ago
  if you can boot Linux in the browser, you can just run arm qemu or even bochs from it. 30 seconds from now you'll have an arm emulator in javascript. use that i7 or i9 at 3 ghz, I say.
- iso8859-1 14y ago
  jsLinux is not FOSS.

danellis 14y ago

I started writing one in Dart a couple of days ago, but I know others already exist, including ones that port existing emulators (such as QEMU) using Emscripten.

iso8859-1 14y ago
Will you open source it? :) Found you on Github, it's not there.
- danellis 14y ago
  Oh, absolutely. It's not like I'll use it for anything other than saying, "Hey, look at RISC OS running (slowly) in a browser!", which is the end goal.
  - iso8859-1 14y ago
    Did you consider using an existing platform like https://github.com/asmblah/jemul8 https://github.com/asmblah/jemul8 ? Would be nice with a multiple-CPU emulator in JavaScript.
    - danellis 14y ago
      I think it would be more trouble than it's worth to take an x86 emulator and try to make it do ARM as well, unless it was written with multiple CPU types in mind in the first place. But more importantly, it's written in JavaScript -- this is an exercise in learning Dart. I do refer to various C-based implementations from time to time, though.

vidarh 14y ago

You can boot Linux in the browser already. Or do you have another interesting use specifically for an ARM emulator

andthen22 14y ago
if you can boot Linux in the browser, you can just run arm qemu or even bochs from it. 30 seconds from now you'll have an arm emulator in javascript. use that i7 or i9 at 3 ghz, I say.
iso8859-1 14y ago
jsLinux is not FOSS.