x86: put back code that I accidentally deleted
x86: put back code that I accidentally deleted

SanchayanMaity/gem5,rjschof/gem5,HwisooSo/gemV-update,joerocklin/gem5,samueldotj/TeeRISC-Simulator,aclifton/cpeg853-gem5,aclifton/cpeg853-gem5,cancro7/gem5,aclifton/cpeg853-gem5,austinharris/gem5-riscv,qizenguf/MLC-STT,TUD-OS/gem5-dtu,qizenguf/MLC-STT,powerjg/gem5-ci-test,joerocklin/gem5,gedare/gem5,joerocklin/gem5,samueldotj/TeeRISC-Simulator,HwisooSo/gemV-update,TUD-OS/gem5-dtu,zlfben/gem5,joerocklin/gem5,rjschof/gem5,austinharris/gem5-riscv,zlfben/gem5,cancro7/gem5,SanchayanMaity/gem5,HwisooSo/gemV-update,kaiyuanl/gem5,briancoutinho0905/2dsampling,aclifton/cpeg853-gem5,rallylee/gem5,aclifton/cpeg853-gem5,gedare/gem5,rjschof/gem5,powerjg/gem5-ci-test,rjschof/gem5,HwisooSo/gemV-update,briancoutinho0905/2dsampling,KuroeKurose/gem5,TUD-OS/gem5-dtu,kaiyuanl/gem5,sobercoder/gem5,rjschof/gem5,gem5/gem5,kaiyuanl/gem5,zlfben/gem5,yb-kim/gemV,SanchayanMaity/gem5,zlfben/gem5,samueldotj/TeeRISC-Simulator,markoshorro/gem5,Weil0ng/gem5,gem5/gem5,qizenguf/MLC-STT,Weil0ng/gem5,TUD-OS/gem5-dtu,sobercoder/gem5,gem5/gem5,KuroeKurose/gem5,qizenguf/MLC-STT,rjschof/gem5,gem5/gem5,markoshorro/gem5,gem5/gem5,KuroeKurose/gem5,zlfben/gem5,joerocklin/gem5,austinharris/gem5-riscv,KuroeKurose/gem5,SanchayanMaity/gem5,markoshorro/gem5,yb-kim/gemV,KuroeKurose/gem5,cancro7/gem5,gem5/gem5,Weil0ng/gem5,aclifton/cpeg853-gem5,qizenguf/MLC-STT,kaiyuanl/gem5,sobercoder/gem5,SanchayanMaity/gem5,qizenguf/MLC-STT,yb-kim/gemV,gedare/gem5,powerjg/gem5-ci-test,SanchayanMaity/gem5,austinharris/gem5-riscv,markoshorro/gem5,cancro7/gem5,briancoutinho0905/2dsampling,kaiyuanl/gem5,zlfben/gem5,rallylee/gem5,briancoutinho0905/2dsampling,sobercoder/gem5,Weil0ng/gem5,powerjg/gem5-ci-test,samueldotj/TeeRISC-Simulator,KuroeKurose/gem5,yb-kim/gemV,kaiyuanl/gem5,powerjg/gem5-ci-test,samueldotj/TeeRISC-Simulator,Weil0ng/gem5,rallylee/gem5,cancro7/gem5,aclifton/cpeg853-gem5,sobercoder/gem5,kaiyuanl/gem5,markoshorro/gem5,HwisooSo/gemV-update,gem5/gem5,austinharris/gem5-riscv,cancro7/gem5,gedare/gem5,Weil0ng/gem5,yb-kim/gemV,rallylee/gem5,powerjg/gem5-ci-test,austinharris/gem5-riscv,gedare/gem5,briancoutinho0905/2dsampling,yb-kim/gemV,powerjg/gem5-ci-test,rallylee/gem5,rallylee/gem5,joerocklin/gem5,briancoutinho0905/2dsampling,rjschof/gem5,gedare/gem5,samueldotj/TeeRISC-Simulator,samueldotj/TeeRISC-Simulator,sobercoder/gem5,yb-kim/gemV,joerocklin/gem5,SanchayanMaity/gem5,KuroeKurose/gem5,markoshorro/gem5,austinharris/gem5-riscv,TUD-OS/gem5-dtu,HwisooSo/gemV-update,markoshorro/gem5,TUD-OS/gem5-dtu,briancoutinho0905/2dsampling,qizenguf/MLC-STT,joerocklin/gem5,TUD-OS/gem5-dtu,gedare/gem5,zlfben/gem5,rallylee/gem5,Weil0ng/gem5,yb-kim/gemV,cancro7/gem5,HwisooSo/gemV-update,sobercoder/gem5