Messages in this thread | | | From | (Alan Cox) | Subject | Re: MMX emulator ? | Date | Mon, 15 Jun 1998 17:34:36 +0100 (BST) |
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> I wondered whether there has been some thoughts about implementing an MMX > emulator in the kernel, something like the FPU emulator. It sounds like a > good idea, because we could run MMX apps on processors that don't support it. > But I'm not sure how easy it would be. Ideas ?
You can do it in userspace. The kernel FPU save/restore will be nice to you for saving state. You can write a library that catches SIGILL and LD_PRELOAD it. Keep it out of the kernel (btw I still think the FPU emulator belongs in a library but thats a different and rather old saga)
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