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Check for out of range IPR values as well.

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--HG--
extra : convert_revision : 9ca241bb71d8a1d022e54485383a88d2abece663
This commit is contained in:
Gabe Black 2006-10-31 18:19:45 -05:00
parent 45368c0300
commit 39de635fbf
1 changed files with 6 additions and 3 deletions
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9
src/arch/alpha/isa/decoder.isa
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@ -745,8 +745,10 @@ decode OPCODE default Unknown::unknown() {
0: OpcdecFault::hw_mfpr();
format HwMoveIPR {
1: hw_mfpr({{
int miscRegIndex = IprToMiscRegIndex[ipr_index];
if(miscRegIndex < 0 || !IprIsReadable(miscRegIndex))
miscRegIndex >= NumInternalProcRegs)
int miscRegIndex = (ipr_index < NumInternalProcRegs) ?
IprToMiscRegIndex[ipr_index] : -1;
if(miscRegIndex < 0 || !IprIsReadable(miscRegIndex) ||
fault = new UnimplementedOpcodeFault;
else
Ra = xc->readMiscRegWithEffect(miscRegIndex, fault);
@ -758,7 +760,8 @@ decode OPCODE default Unknown::unknown() {
0: OpcdecFault::hw_mtpr();
format HwMoveIPR {
1: hw_mtpr({{
int miscRegIndex = IprToMiscRegIndex[ipr_index];
int miscRegIndex = (ipr_index < NumInternalProcRegs) ?
IprToMiscRegIndex[ipr_index] : -1;
if(miscRegIndex < 0 || !IprIsWritable(miscRegIndex))
fault = new UnimplementedOpcodeFault;
else