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[Qemu-devel] Sparc system emulator updates

From: Blue Swirl
Subject: [Qemu-devel] Sparc system emulator updates
Date: Mon, 18 Oct 2004 22:24:11 +0200


New since last patch:
* Loader for a.out format binaries. Now we can try loading almost any kernel or boot loader in sight. I tried as many as I found. None worked.
* Floppy drive and controller are mutated PC ones.
* Serial ports, mouse, keyboard stubs.
* Changed IRQ definition from PIL levels to interrupt controller's register bit numbers.
* MMU probe operations implemented, Linux and OpenBSD use them.
* Added MMU table dump function for debugging.
* Unimplemented quad FP ops should trap. No known real CPUs implement them, why should we?
* If FPU is disabled, all FP ops trap.
* Added synthetic op optimisations.
* Other tweaks, cleanup.

Since last week, Linux advanced from poke_srmmu() call to next C line. At this rate, we'll reach userland somewhere near year 2050.

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