On Sun, Sep 18, 2011 at 10:49 AM, malc <av1...@comtv.ru> wrote: > 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.
Which issues? For which patches? >> >> 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 >
