On Sun, 18 Sep 2011, Blue Swirl wrote: > On Sat, Sep 17, 2011 at 7:59 PM, Stefan Weil <w...@mail.berlios.de> wrote: > > Hello, > > > > these patches add a new code generator (TCG target) to qemu. > > > > Unlike other tcg target code generators, this one does not generate > > machine code for some cpu. It generates machine independent bytecode > > which is interpreted later. That's why I called it TCI (tiny code > > interpreter). > > > > I wrote most of the code two years ago and included feedback and > > contributions from several QEMU developers, notably TeleMan, > > Stuart Brady, Blue Swirl and Malc. See the history here: > > http://lists.nongnu.org/archive/html/qemu-devel/2009-09/msg01710.html > > > > Since that time, I used TCI regularly, added small fixes and improvements > > and rebased it to latest QEMU. Some versions were tested using > > ARM (emulated and real), PowerPC (emulated) and MIPS (emulated) hosts, > > but normally I run it on i386 and x86_64 hosts. > > > > I'd appreciate to see TCI in QEMU 1.0. > > > > Regards, > > Stefan Weil > > > > The patches 2 and 4 are optional, patch 8 is only needed for running > > TCI on a PowerPC host. > > I think patches 1 to 4 and 8 could be applied soon as they are now, > they should benefit plain TCG too. I had some comments to other > patches, but otherwise everything looks great.
Hold the horses untill Stefan settles the licensing issues. > > Comparisons to other bytecode interpreters (for example Python) would > be interesting, maybe there are also tricks that can be reused. > > > [PATCH 1/8] tcg: Declare TCG_TARGET_REG_BITS in tcg.h > > [PATCH 2/8] tcg: Don't declare TCG_TARGET_REG_BITS in tcg-target.h > > [PATCH 3/8] tcg: Add forward declarations for local functions > > [PATCH 4/8] tcg: Add some assertions > > [PATCH 5/8] tcg: Add interpreter for bytecode > > [PATCH 6/8] tcg: Add bytecode generator for tcg interpreter > > [PATCH 7/8] tcg: Add tcg interpreter to configure / make > > [PATCH 8/8] ppc: Support tcg interpreter on ppc hosts > > > > > -- mailto:av1...@comtv.ru
