isa_parser: move more support functions into the ISAParser class
isa_parser: move more support functions into the ISAParser class

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