diff options
Diffstat (limited to 'sim/mips/support.h')
| -rw-r--r-- | sim/mips/support.h | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/sim/mips/support.h b/sim/mips/support.h index 65898bc..6d86452 100644 --- a/sim/mips/support.h +++ b/sim/mips/support.h @@ -1,4 +1,22 @@ /*> support.h <*/ +/* Support for the MIPS architecture simulator. + + This file is part of the MIPS sim + + THIS SOFTWARE IS NOT COPYRIGHTED + + Cygnus offers the following for use in the public domain. Cygnus + makes no warranty with regard to the software or it's performance + and the user accepts the software "AS IS" with all faults. + + CYGNUS DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, WITH REGARD TO + THIS SOFTWARE INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. + + $Revision$ + $Author$ + $Date$ +*/ #ifndef __support_h #define __support_h @@ -18,7 +36,9 @@ typedef long long word64; typedef unsigned long long uword64; #define WORD64LO(t) (unsigned int)((t)&0xFFFFFFFF) -#define WORD64HI(t) (unsigned int)((t)>>32) +#define WORD64HI(t) (unsigned int)(((uword64)(t))>>32) +#define SET64LO(t) (((uword64)(t))&0xFFFFFFFF) +#define SET64HI(t) (((uword64)(t))<<32) /* Sign-extend the given value (e) as a value (b) bits long. We cannot assume the HI32bits of the operand are zero, so we must perform a @@ -45,13 +65,15 @@ typedef unsigned long long uword64; #error "non-GCC build to be completed" /* avoid using long long */ -typedef struct word64 { +typedef struct uword64 { unsigned int lo; unsigned int hi; -} word64; +} uword64; #define WORD64LO(t) (unsigned int)(t.lo) #define WORD64HI(t) (unsigned int)(t.hi) +#define SET64LO(t) (..TODO..) /* need structure into which value will be placed */ +#define SET64HI(t) (..TODO..) /* need structure into which value will be placed */ /* TODO: Update these to manipulate the split structure values */ #define SIGNEXTEND(e,b) /* TODO */ |