On Tue, 3 Aug 2010, David Daney wrote: > diff --git a/arch/mips/include/asm/inst.h b/arch/mips/include/asm/inst.h > index 6489f00..444ff71 100644 > --- a/arch/mips/include/asm/inst.h > +++ b/arch/mips/include/asm/inst.h > @@ -247,6 +247,12 @@ struct ma_format { /* FPU multipy and add format (MIPS IV) */ > unsigned int fmt : 2; > }; > > +struct b_format { /* BREAK and SYSCALL */ > + unsigned int opcode:6; > + unsigned int code:20; > + unsigned int func:6; > +}; > + > #elif defined(__MIPSEL__) > > struct j_format { /* Jump format */ Please note the code field of the BREAK instruction is by toolchain convention (bug-compatibility with the original MIPS assembler or suchlike) treated as a pair of swapped 10-bit fields -- you may want to double-check consistency of interpretation with usage elsewhere. Maciej