diff options
Diffstat (limited to 'qemu-tech.texi')
| -rw-r--r-- | qemu-tech.texi | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/qemu-tech.texi b/qemu-tech.texi index c86094b7c6..379cbad557 100644 --- a/qemu-tech.texi +++ b/qemu-tech.texi @@ -138,9 +138,32 @@ FPU and MMU. @itemize @item Somewhat complete SPARC V8 emulation, including privileged -instructions, FPU and MMU. +instructions, FPU and MMU. SPARC V9 emulation includes most privileged +instructions, FPU and I/D MMU, but misses VIS instructions. -@item Can run some SPARC Linux binaries. +@item Can run some 32-bit SPARC Linux binaries. + +@end itemize + +Current QEMU limitations: + +@itemize + +@item Tagged add/subtract instructions are not supported, but they are +probably not used. + +@item IPC syscalls are missing. + +@item 128-bit floating point operations are not supported, though none of the +real CPUs implement them either. FCMPE[SD] are not correctly +implemented. Floating point exception support is untested. + +@item Alignment is not enforced at all. + +@item Atomic instructions are not correctly implemented. + +@item Sparc64 emulators are not usable for anything yet. +Address space is limited to first 4 gigabytes. @end itemize |