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Diffstat (limited to 'src/arch/sparc/miscregfile.cc')
-rw-r--r--src/arch/sparc/miscregfile.cc60
1 files changed, 36 insertions, 24 deletions
diff --git a/src/arch/sparc/miscregfile.cc b/src/arch/sparc/miscregfile.cc
index f511ef454..0300694cc 100644
--- a/src/arch/sparc/miscregfile.cc
+++ b/src/arch/sparc/miscregfile.cc
@@ -142,27 +142,38 @@ void MiscRegFile::clear()
MiscReg MiscRegFile::readRegNoEffect(int miscReg)
{
- switch (miscReg) {
- case MISCREG_TLB_DATA:
- /* Package up all the data for the tlb:
- * 6666555555555544444444443333333333222222222211111111110000000000
- * 3210987654321098765432109876543210987654321098765432109876543210
- * secContext | priContext | |tl|partid| |||||^hpriv
- * ||||^red
- * |||^priv
- * ||^am
- * |^lsuim
- * ^lsudm
- */
- return bits((uint64_t)hpstate,2,2) |
- bits((uint64_t)hpstate,5,5) << 1 |
- bits((uint64_t)pstate,3,2) << 2 |
- bits((uint64_t)lsuCtrlReg,3,2) << 4 |
- bits((uint64_t)partId,7,0) << 8 |
- bits((uint64_t)tl,2,0) << 16 |
- (uint64_t)priContext << 32 |
- (uint64_t)secContext << 48;
+ // The three miscRegs are moved up from the switch statement
+ // due to more frequent calls.
+
+ if (miscReg == MISCREG_GL)
+ return gl;
+ if (miscReg == MISCREG_CWP)
+ return cwp;
+ if (miscReg == MISCREG_TLB_DATA) {
+ /* Package up all the data for the tlb:
+ * 6666555555555544444444443333333333222222222211111111110000000000
+ * 3210987654321098765432109876543210987654321098765432109876543210
+ * secContext | priContext | |tl|partid| |||||^hpriv
+ * ||||^red
+ * |||^priv
+ * ||^am
+ * |^lsuim
+ * ^lsudm
+ */
+ return bits((uint64_t)hpstate,2,2) |
+ bits((uint64_t)hpstate,5,5) << 1 |
+ bits((uint64_t)pstate,3,2) << 2 |
+ bits((uint64_t)lsuCtrlReg,3,2) << 4 |
+ bits((uint64_t)partId,7,0) << 8 |
+ bits((uint64_t)tl,2,0) << 16 |
+ (uint64_t)priContext << 32 |
+ (uint64_t)secContext << 48;
+ }
+
+ switch (miscReg) {
+ //case MISCREG_TLB_DATA:
+ // [original contents see above]
//case MISCREG_Y:
// return y;
//case MISCREG_CCR:
@@ -207,8 +218,9 @@ MiscReg MiscRegFile::readRegNoEffect(int miscReg)
return tl;
case MISCREG_PIL:
return pil;
- case MISCREG_CWP:
- return cwp;
+ //CWP, GL moved
+ //case MISCREG_CWP:
+ // return cwp;
//case MISCREG_CANSAVE:
// return cansave;
//case MISCREG_CANRESTORE:
@@ -219,8 +231,8 @@ MiscReg MiscRegFile::readRegNoEffect(int miscReg)
// return otherwin;
//case MISCREG_WSTATE:
// return wstate;
- case MISCREG_GL:
- return gl;
+ //case MISCREG_GL:
+ // return gl;
/** Hyper privileged registers */
case MISCREG_HPSTATE: