[9fans] self modifying code in intel vga bios?

2011-03-08 Thread cinap_lenrek
Fish- has catched this on a Intel(r)915GM/910ML/915MS Graphics Controller with realemu: bad mem write c0c11 bad memory access 1d17b0 4a008800 0002 a002 9000 5108 ac007bda 7bc0 c000 csZoPdI 61ed c6 MOV CS:[c11], $01 question to the coreboot guys: did

Re: [9fans] self modifying code in intel vga bios?

2011-03-08 Thread Lucio De Re
On Tue, Mar 08, 2011 at 10:24:48AM +0100, cinap_len...@gmx.de wrote: Fish- has catched this on a Intel(r)915GM/910ML/915MS Graphics Controller with realemu: bad mem write c0c11 bad memory access 1d17b0 4a008800 0002 a002 9000 5108 ac007bda 7bc0

Re: [9fans] self modifying code in intel vga bios?

2011-03-08 Thread Paul Lalonde
Today, of course, we'd call this JIT, and shove it in a new page, and think ourselves clever. The last time I poked at one of these self-modifying bits they were really just jitting a blit loop, in place. Drops register pressure a little bit, which has always been a bit of an issue in x86 land.

Re: [9fans] self modifying code in intel vga bios?

2011-03-08 Thread Lucio De Re
On Tue, Mar 08, 2011 at 07:21:50AM -0800, Paul Lalonde wrote: The last time I poked at one of these self-modifying bits they were really just jitting a blit loop, in place. Drops register pressure a little bit, which has always been a bit of an issue in x86 land. A bankrupt CPU architecture.

Re: [9fans] self modifying code in intel vga bios?

2011-03-08 Thread erik quanstrom
On Tue Mar 8 10:30:25 EST 2011, lu...@proxima.alt.za wrote: On Tue, Mar 08, 2011 at 07:21:50AM -0800, Paul Lalonde wrote: The last time I poked at one of these self-modifying bits they were really just jitting a blit loop, in place. Drops register pressure a little bit, which has always

Re: [9fans] self modifying code in intel vga bios?

2011-03-08 Thread Lucio De Re
it may be that instruction sets aren't very important any longer. I wish I had the persistence to respond to this gem in detail. What is important, in my opinion, is progress in some undefinable, but recognisable sense. Faster and faster isn't it and it does seem to set higher and higher entry

Re: [9fans] self modifying code in intel vga bios?

2011-03-08 Thread Wes Kussmaul
On Tue, 2011-03-08 at 19:34 +0200, Lucio De Re wrote: Put Nokia in bed with Microsoft in bed with Intel and you're leaving little room for somebody with a great idea to get any attention. A brave new world, indeed. But the Wintel duopoly has cracked, the inevitable fate of all such