diff options
Diffstat (limited to 'src/cpu/o3/fu_pool.hh')
| -rw-r--r-- | src/cpu/o3/fu_pool.hh | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/cpu/o3/fu_pool.hh b/src/cpu/o3/fu_pool.hh index e6bb8cb8e..b6e9c126a 100644 --- a/src/cpu/o3/fu_pool.hh +++ b/src/cpu/o3/fu_pool.hh @@ -134,12 +134,17 @@ class FUPool : public SimObject FUPool(const Params *p); ~FUPool(); + static constexpr auto NoCapableFU = -2; + static constexpr auto NoFreeFU = -1; /** - * Gets a FU providing the requested capability. Will mark the unit as busy, - * but leaves the freeing of the unit up to the IEW stage. + * Gets a FU providing the requested capability. Will mark the + * unit as busy, but leaves the freeing of the unit up to the IEW + * stage. + * * @param capability The capability requested. - * @return Returns -2 if the FU pool does not have the capability, -1 if - * there is no free FU, and the FU's index otherwise. + * @return Returns NoCapableFU if the FU pool does not have the + * capability, NoFreeFU if there is no free FU, and the FU's index + * otherwise. */ int getUnit(OpClass capability); |