/[qemu]/qemu/qemu-tech.texi
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revision 1.6 by bellard, Sat Apr 30 15:08:33 2005 UTC revision 1.7 by bellard, Sat Jul 2 14:31:34 2005 UTC
# Line 138  FPU and MMU. Line 138  FPU and MMU.
138  @itemize  @itemize
139    
140  @item Somewhat complete SPARC V8 emulation, including privileged  @item Somewhat complete SPARC V8 emulation, including privileged
141  instructions, FPU and MMU.  instructions, FPU and MMU. SPARC V9 emulation includes most privileged
142    instructions, FPU and I/D MMU, but misses VIS instructions.
143    
144  @item Can run some SPARC Linux binaries.  @item Can run some 32-bit SPARC Linux binaries.
145    
146    @end itemize
147    
148    Current QEMU limitations:
149    
150    @itemize
151    
152    @item Tagged add/subtract instructions are not supported, but they are
153    probably not used.
154    
155    @item IPC syscalls are missing.
156    
157    @item 128-bit floating point operations are not supported, though none of the
158    real CPUs implement them either. FCMPE[SD] are not correctly
159    implemented.  Floating point exception support is untested.
160    
161    @item Alignment is not enforced at all.
162    
163    @item Atomic instructions are not correctly implemented.
164    
165    @item Sparc64 emulators are not usable for anything yet.
166    Address space is limited to first 4 gigabytes.
167    
168  @end itemize  @end itemize
169    

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