diff options
Diffstat (limited to 'cpu/beta_cpu/free_list.cc')
| -rw-r--r-- | cpu/beta_cpu/free_list.cc | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/cpu/beta_cpu/free_list.cc b/cpu/beta_cpu/free_list.cc index 006bf4bf7..542b87471 100644 --- a/cpu/beta_cpu/free_list.cc +++ b/cpu/beta_cpu/free_list.cc @@ -1,3 +1,5 @@ +#include "base/trace.hh" + #include "cpu/beta_cpu/free_list.hh" SimpleFreeList::SimpleFreeList(unsigned _numLogicalIntRegs, @@ -10,6 +12,16 @@ SimpleFreeList::SimpleFreeList(unsigned _numLogicalIntRegs, numPhysicalFloatRegs(_numPhysicalFloatRegs), numPhysicalRegs(numPhysicalIntRegs + numPhysicalFloatRegs) { + DPRINTF(FreeList, "FreeList: Creating new free list object.\n"); + + // DEBUG stuff. + freeIntRegsScoreboard.resize(numPhysicalIntRegs); + + freeFloatRegsScoreboard.resize(numPhysicalRegs); + + for (PhysRegIndex i = 0; i < numLogicalIntRegs; ++i) { + freeIntRegsScoreboard[i] = 0; + } // Put all of the extra physical registers onto the free list. This // means excluding all of the base logical registers. @@ -17,6 +29,14 @@ SimpleFreeList::SimpleFreeList(unsigned _numLogicalIntRegs, i < numPhysicalIntRegs; ++i) { freeIntRegs.push(i); + + freeIntRegsScoreboard[i] = 1; + } + + for (PhysRegIndex i = 0; i < numPhysicalIntRegs + numLogicalFloatRegs; + ++i) + { + freeFloatRegsScoreboard[i] = 0; } // Put all of the extra physical registers onto the free list. This @@ -26,8 +46,9 @@ SimpleFreeList::SimpleFreeList(unsigned _numLogicalIntRegs, for (PhysRegIndex i = numPhysicalIntRegs + numLogicalFloatRegs; i < numPhysicalRegs; ++i) { - cprintf("Free List: Adding register %i to float list.\n", i); freeFloatRegs.push(i); + + freeFloatRegsScoreboard[i] = 1; } } |