diff options
author | Nathan Binkert <binkertn@umich.edu> | 2005-06-04 20:50:10 -0400 |
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committer | Nathan Binkert <binkertn@umich.edu> | 2005-06-04 20:50:10 -0400 |
commit | 13c005a8af79a8481879ce099b45a1f98faae165 (patch) | |
tree | 3125dfe10539270433981b39119dd727295c255c /cpu/beta_cpu/regfile.hh | |
parent | 5a94e6f2cc6ed8480063da68d20274ced2930925 (diff) | |
download | gem5-13c005a8af79a8481879ce099b45a1f98faae165.tar.xz |
shuffle files around for new directory structure
--HG--
rename : cpu/base_cpu.cc => cpu/base.cc
rename : cpu/base_cpu.hh => cpu/base.hh
rename : cpu/beta_cpu/2bit_local_pred.cc => cpu/o3/2bit_local_pred.cc
rename : cpu/beta_cpu/2bit_local_pred.hh => cpu/o3/2bit_local_pred.hh
rename : cpu/beta_cpu/alpha_full_cpu.cc => cpu/o3/alpha_cpu.cc
rename : cpu/beta_cpu/alpha_full_cpu.hh => cpu/o3/alpha_cpu.hh
rename : cpu/beta_cpu/alpha_full_cpu_builder.cc => cpu/o3/alpha_cpu_builder.cc
rename : cpu/beta_cpu/alpha_full_cpu_impl.hh => cpu/o3/alpha_cpu_impl.hh
rename : cpu/beta_cpu/alpha_dyn_inst.cc => cpu/o3/alpha_dyn_inst.cc
rename : cpu/beta_cpu/alpha_dyn_inst.hh => cpu/o3/alpha_dyn_inst.hh
rename : cpu/beta_cpu/alpha_dyn_inst_impl.hh => cpu/o3/alpha_dyn_inst_impl.hh
rename : cpu/beta_cpu/alpha_impl.hh => cpu/o3/alpha_impl.hh
rename : cpu/beta_cpu/alpha_params.hh => cpu/o3/alpha_params.hh
rename : cpu/beta_cpu/bpred_unit.cc => cpu/o3/bpred_unit.cc
rename : cpu/beta_cpu/bpred_unit.hh => cpu/o3/bpred_unit.hh
rename : cpu/beta_cpu/bpred_unit_impl.hh => cpu/o3/bpred_unit_impl.hh
rename : cpu/beta_cpu/btb.cc => cpu/o3/btb.cc
rename : cpu/beta_cpu/btb.hh => cpu/o3/btb.hh
rename : cpu/beta_cpu/comm.hh => cpu/o3/comm.hh
rename : cpu/beta_cpu/commit.cc => cpu/o3/commit.cc
rename : cpu/beta_cpu/commit.hh => cpu/o3/commit.hh
rename : cpu/beta_cpu/commit_impl.hh => cpu/o3/commit_impl.hh
rename : cpu/beta_cpu/full_cpu.cc => cpu/o3/cpu.cc
rename : cpu/beta_cpu/full_cpu.hh => cpu/o3/cpu.hh
rename : cpu/beta_cpu/cpu_policy.hh => cpu/o3/cpu_policy.hh
rename : cpu/beta_cpu/decode.cc => cpu/o3/decode.cc
rename : cpu/beta_cpu/decode.hh => cpu/o3/decode.hh
rename : cpu/beta_cpu/decode_impl.hh => cpu/o3/decode_impl.hh
rename : cpu/beta_cpu/fetch.cc => cpu/o3/fetch.cc
rename : cpu/beta_cpu/fetch.hh => cpu/o3/fetch.hh
rename : cpu/beta_cpu/fetch_impl.hh => cpu/o3/fetch_impl.hh
rename : cpu/beta_cpu/free_list.cc => cpu/o3/free_list.cc
rename : cpu/beta_cpu/free_list.hh => cpu/o3/free_list.hh
rename : cpu/beta_cpu/iew.cc => cpu/o3/iew.cc
rename : cpu/beta_cpu/iew.hh => cpu/o3/iew.hh
rename : cpu/beta_cpu/iew_impl.hh => cpu/o3/iew_impl.hh
rename : cpu/beta_cpu/inst_queue.cc => cpu/o3/inst_queue.cc
rename : cpu/beta_cpu/inst_queue.hh => cpu/o3/inst_queue.hh
rename : cpu/beta_cpu/inst_queue_impl.hh => cpu/o3/inst_queue_impl.hh
rename : cpu/beta_cpu/mem_dep_unit.cc => cpu/o3/mem_dep_unit.cc
rename : cpu/beta_cpu/mem_dep_unit.hh => cpu/o3/mem_dep_unit.hh
rename : cpu/beta_cpu/mem_dep_unit_impl.hh => cpu/o3/mem_dep_unit_impl.hh
rename : cpu/beta_cpu/ras.cc => cpu/o3/ras.cc
rename : cpu/beta_cpu/ras.hh => cpu/o3/ras.hh
rename : cpu/beta_cpu/regfile.hh => cpu/o3/regfile.hh
rename : cpu/beta_cpu/rename.cc => cpu/o3/rename.cc
rename : cpu/beta_cpu/rename.hh => cpu/o3/rename.hh
rename : cpu/beta_cpu/rename_impl.hh => cpu/o3/rename_impl.hh
rename : cpu/beta_cpu/rename_map.cc => cpu/o3/rename_map.cc
rename : cpu/beta_cpu/rename_map.hh => cpu/o3/rename_map.hh
rename : cpu/beta_cpu/rob.cc => cpu/o3/rob.cc
rename : cpu/beta_cpu/rob.hh => cpu/o3/rob.hh
rename : cpu/beta_cpu/rob_impl.hh => cpu/o3/rob_impl.hh
rename : cpu/beta_cpu/sat_counter.cc => cpu/o3/sat_counter.cc
rename : cpu/beta_cpu/sat_counter.hh => cpu/o3/sat_counter.hh
rename : cpu/beta_cpu/store_set.cc => cpu/o3/store_set.cc
rename : cpu/beta_cpu/store_set.hh => cpu/o3/store_set.hh
rename : cpu/beta_cpu/tournament_pred.cc => cpu/o3/tournament_pred.cc
rename : cpu/beta_cpu/tournament_pred.hh => cpu/o3/tournament_pred.hh
rename : cpu/ooo_cpu/ooo_cpu.cc => cpu/ozone/cpu.cc
rename : cpu/ooo_cpu/ooo_cpu.hh => cpu/ozone/cpu.hh
rename : cpu/ooo_cpu/ooo_impl.hh => cpu/ozone/cpu_impl.hh
rename : cpu/ooo_cpu/ea_list.cc => cpu/ozone/ea_list.cc
rename : cpu/ooo_cpu/ea_list.hh => cpu/ozone/ea_list.hh
rename : cpu/simple_cpu/simple_cpu.cc => cpu/simple/cpu.cc
rename : cpu/simple_cpu/simple_cpu.hh => cpu/simple/cpu.hh
rename : cpu/full_cpu/smt.hh => cpu/smt.hh
rename : cpu/full_cpu/op_class.hh => encumbered/cpu/full/op_class.hh
extra : convert_revision : c4a891d8d6d3e0e9e5ea56be47d851da44d8c032
Diffstat (limited to 'cpu/beta_cpu/regfile.hh')
-rw-r--r-- | cpu/beta_cpu/regfile.hh | 634 |
1 files changed, 0 insertions, 634 deletions
diff --git a/cpu/beta_cpu/regfile.hh b/cpu/beta_cpu/regfile.hh deleted file mode 100644 index a41f68e8c..000000000 --- a/cpu/beta_cpu/regfile.hh +++ /dev/null @@ -1,634 +0,0 @@ -/* - * Copyright (c) 2004-2005 The Regents of The University of Michigan - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer; - * redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution; - * neither the name of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef __CPU_BETA_CPU_REGFILE_HH__ -#define __CPU_BETA_CPU_REGFILE_HH__ - -// @todo: Destructor - -#include "arch/alpha/isa_traits.hh" -#include "base/trace.hh" -#include "cpu/beta_cpu/comm.hh" - -#ifdef FULL_SYSTEM -#include "arch/alpha/ev5.hh" -#include "kern/kernel_stats.hh" - -using namespace EV5; -#endif - -// This really only depends on the ISA, and not the Impl. It might be nicer -// to see if I can make it depend on nothing... -// Things that are in the ifdef FULL_SYSTEM are pretty dependent on the ISA, -// and should go in the AlphaFullCPU. - -template <class Impl> -class PhysRegFile -{ - //Note that most of the definitions of the IntReg, FloatReg, etc. exist - //within the Impl/ISA class and not within this PhysRegFile class. - - //Will need some way to allow stuff like swap_palshadow to access the - //correct registers. Might require code changes to swap_palshadow and - //other execution contexts. - - //Will make these registers public for now, but they probably should - //be private eventually with some accessor functions. - public: - typedef typename Impl::ISA ISA; - typedef typename Impl::FullCPU FullCPU; - - PhysRegFile(unsigned _numPhysicalIntRegs, - unsigned _numPhysicalFloatRegs); - - //Everything below should be pretty well identical to the normal - //register file that exists within AlphaISA class. - //The duplication is unfortunate but it's better than having - //different ways to access certain registers. - - //Add these in later when everything else is in place -// void serialize(std::ostream &os); -// void unserialize(Checkpoint *cp, const std::string §ion); - - uint64_t readIntReg(PhysRegIndex reg_idx) - { - assert(reg_idx < numPhysicalIntRegs); - - DPRINTF(IEW, "RegFile: Access to int register %i, has data " - "%i\n", int(reg_idx), intRegFile[reg_idx]); - return intRegFile[reg_idx]; - } - - float readFloatRegSingle(PhysRegIndex reg_idx) - { - // Remove the base Float reg dependency. - reg_idx = reg_idx - numPhysicalIntRegs; - - assert(reg_idx < numPhysicalFloatRegs + numPhysicalIntRegs); - - DPRINTF(IEW, "RegFile: Access to float register %i as single, has " - "data %8.8f\n", int(reg_idx), (float)floatRegFile[reg_idx].d); - - return (float)floatRegFile[reg_idx].d; - } - - double readFloatRegDouble(PhysRegIndex reg_idx) - { - // Remove the base Float reg dependency. - reg_idx = reg_idx - numPhysicalIntRegs; - - assert(reg_idx < numPhysicalFloatRegs + numPhysicalIntRegs); - - DPRINTF(IEW, "RegFile: Access to float register %i as double, has " - " data %8.8f\n", int(reg_idx), floatRegFile[reg_idx].d); - - return floatRegFile[reg_idx].d; - } - - uint64_t readFloatRegInt(PhysRegIndex reg_idx) - { - // Remove the base Float reg dependency. - reg_idx = reg_idx - numPhysicalIntRegs; - - assert(reg_idx < numPhysicalFloatRegs + numPhysicalIntRegs); - - DPRINTF(IEW, "RegFile: Access to float register %i as int, has data " - "%lli\n", int(reg_idx), floatRegFile[reg_idx].q); - - return floatRegFile[reg_idx].q; - } - - void setIntReg(PhysRegIndex reg_idx, uint64_t val) - { - assert(reg_idx < numPhysicalIntRegs); - - DPRINTF(IEW, "RegFile: Setting int register %i to %lli\n", - int(reg_idx), val); - - intRegFile[reg_idx] = val; - } - - void setFloatRegSingle(PhysRegIndex reg_idx, float val) - { - // Remove the base Float reg dependency. - reg_idx = reg_idx - numPhysicalIntRegs; - - assert(reg_idx < numPhysicalFloatRegs + numPhysicalIntRegs); - - DPRINTF(IEW, "RegFile: Setting float register %i to %8.8f\n", - int(reg_idx), val); - - floatRegFile[reg_idx].d = (double)val; - } - - void setFloatRegDouble(PhysRegIndex reg_idx, double val) - { - // Remove the base Float reg dependency. - reg_idx = reg_idx - numPhysicalIntRegs; - - assert(reg_idx < numPhysicalFloatRegs + numPhysicalIntRegs); - - DPRINTF(IEW, "RegFile: Setting float register %i to %8.8f\n", - int(reg_idx), val); - - floatRegFile[reg_idx].d = val; - } - - void setFloatRegInt(PhysRegIndex reg_idx, uint64_t val) - { - // Remove the base Float reg dependency. - reg_idx = reg_idx - numPhysicalIntRegs; - - assert(reg_idx < numPhysicalFloatRegs + numPhysicalIntRegs); - - DPRINTF(IEW, "RegFile: Setting float register %i to %lli\n", - int(reg_idx), val); - - floatRegFile[reg_idx].q = val; - } - - uint64_t readPC() - { - return pc; - } - - void setPC(uint64_t val) - { - pc = val; - } - - void setNextPC(uint64_t val) - { - npc = val; - } - - //Consider leaving this stuff and below in some implementation specific - //file as opposed to the general register file. Or have a derived class. - uint64_t readUniq() - { - return miscRegs.uniq; - } - - void setUniq(uint64_t val) - { - miscRegs.uniq = val; - } - - uint64_t readFpcr() - { - return miscRegs.fpcr; - } - - void setFpcr(uint64_t val) - { - miscRegs.fpcr = val; - } - -#ifdef FULL_SYSTEM - uint64_t readIpr(int idx, Fault &fault); - Fault setIpr(int idx, uint64_t val); - InternalProcReg *getIpr() { return ipr; } - int readIntrFlag() { return intrflag; } - void setIntrFlag(int val) { intrflag = val; } -#endif - - // These should be private eventually, but will be public for now - // so that I can hack around the initregs issue. - public: - /** (signed) integer register file. */ - IntReg *intRegFile; - - /** Floating point register file. */ - FloatReg *floatRegFile; - - /** Miscellaneous register file. */ - MiscRegFile miscRegs; - - /** Program counter. */ - Addr pc; - - /** Next-cycle program counter. */ - Addr npc; - -#ifdef FULL_SYSTEM - private: - // This is ISA specifc stuff; remove it eventually once ISAImpl is used - IntReg palregs[NumIntRegs]; // PAL shadow registers - InternalProcReg ipr[NumInternalProcRegs]; // internal processor regs - int intrflag; // interrupt flag - bool pal_shadow; // using pal_shadow registers -#endif - - private: - FullCPU *cpu; - - public: - void setCPU(FullCPU *cpu_ptr) { cpu = cpu_ptr; } - - unsigned numPhysicalIntRegs; - unsigned numPhysicalFloatRegs; -}; - -template <class Impl> -PhysRegFile<Impl>::PhysRegFile(unsigned _numPhysicalIntRegs, - unsigned _numPhysicalFloatRegs) - : numPhysicalIntRegs(_numPhysicalIntRegs), - numPhysicalFloatRegs(_numPhysicalFloatRegs) -{ - intRegFile = new IntReg[numPhysicalIntRegs]; - floatRegFile = new FloatReg[numPhysicalFloatRegs]; - - memset(intRegFile, 0, sizeof(*intRegFile)); - memset(floatRegFile, 0, sizeof(*floatRegFile)); -} - -#ifdef FULL_SYSTEM - -//Problem: This code doesn't make sense at the RegFile level because it -//needs things such as the itb and dtb. Either put it at the CPU level or -//the DynInst level. -template <class Impl> -uint64_t -PhysRegFile<Impl>::readIpr(int idx, Fault &fault) -{ - uint64_t retval = 0; // return value, default 0 - - switch (idx) { - case ISA::IPR_PALtemp0: - case ISA::IPR_PALtemp1: - case ISA::IPR_PALtemp2: - case ISA::IPR_PALtemp3: - case ISA::IPR_PALtemp4: - case ISA::IPR_PALtemp5: - case ISA::IPR_PALtemp6: - case ISA::IPR_PALtemp7: - case ISA::IPR_PALtemp8: - case ISA::IPR_PALtemp9: - case ISA::IPR_PALtemp10: - case ISA::IPR_PALtemp11: - case ISA::IPR_PALtemp12: - case ISA::IPR_PALtemp13: - case ISA::IPR_PALtemp14: - case ISA::IPR_PALtemp15: - case ISA::IPR_PALtemp16: - case ISA::IPR_PALtemp17: - case ISA::IPR_PALtemp18: - case ISA::IPR_PALtemp19: - case ISA::IPR_PALtemp20: - case ISA::IPR_PALtemp21: - case ISA::IPR_PALtemp22: - case ISA::IPR_PALtemp23: - case ISA::IPR_PAL_BASE: - - case ISA::IPR_IVPTBR: - case ISA::IPR_DC_MODE: - case ISA::IPR_MAF_MODE: - case ISA::IPR_ISR: - case ISA::IPR_EXC_ADDR: - case ISA::IPR_IC_PERR_STAT: - case ISA::IPR_DC_PERR_STAT: - case ISA::IPR_MCSR: - case ISA::IPR_ASTRR: - case ISA::IPR_ASTER: - case ISA::IPR_SIRR: - case ISA::IPR_ICSR: - case ISA::IPR_ICM: - case ISA::IPR_DTB_CM: - case ISA::IPR_IPLR: - case ISA::IPR_INTID: - case ISA::IPR_PMCTR: - // no side-effect - retval = ipr[idx]; - break; - - case ISA::IPR_CC: - retval |= ipr[idx] & ULL(0xffffffff00000000); - retval |= curTick & ULL(0x00000000ffffffff); - break; - - case ISA::IPR_VA: - retval = ipr[idx]; - break; - - case ISA::IPR_VA_FORM: - case ISA::IPR_MM_STAT: - case ISA::IPR_IFAULT_VA_FORM: - case ISA::IPR_EXC_MASK: - case ISA::IPR_EXC_SUM: - retval = ipr[idx]; - break; - - case ISA::IPR_DTB_PTE: - { - typename ISA::PTE &pte = cpu->dtb->index(1); - - retval |= ((u_int64_t)pte.ppn & ULL(0x7ffffff)) << 32; - retval |= ((u_int64_t)pte.xre & ULL(0xf)) << 8; - retval |= ((u_int64_t)pte.xwe & ULL(0xf)) << 12; - retval |= ((u_int64_t)pte.fonr & ULL(0x1)) << 1; - retval |= ((u_int64_t)pte.fonw & ULL(0x1))<< 2; - retval |= ((u_int64_t)pte.asma & ULL(0x1)) << 4; - retval |= ((u_int64_t)pte.asn & ULL(0x7f)) << 57; - } - break; - - // write only registers - case ISA::IPR_HWINT_CLR: - case ISA::IPR_SL_XMIT: - case ISA::IPR_DC_FLUSH: - case ISA::IPR_IC_FLUSH: - case ISA::IPR_ALT_MODE: - case ISA::IPR_DTB_IA: - case ISA::IPR_DTB_IAP: - case ISA::IPR_ITB_IA: - case ISA::IPR_ITB_IAP: - fault = Unimplemented_Opcode_Fault; - break; - - default: - // invalid IPR - fault = Unimplemented_Opcode_Fault; - break; - } - - return retval; -} - -extern int break_ipl; - -template <class Impl> -Fault -PhysRegFile<Impl>::setIpr(int idx, uint64_t val) -{ - uint64_t old; - - switch (idx) { - case ISA::IPR_PALtemp0: - case ISA::IPR_PALtemp1: - case ISA::IPR_PALtemp2: - case ISA::IPR_PALtemp3: - case ISA::IPR_PALtemp4: - case ISA::IPR_PALtemp5: - case ISA::IPR_PALtemp6: - case ISA::IPR_PALtemp7: - case ISA::IPR_PALtemp8: - case ISA::IPR_PALtemp9: - case ISA::IPR_PALtemp10: - case ISA::IPR_PALtemp11: - case ISA::IPR_PALtemp12: - case ISA::IPR_PALtemp13: - case ISA::IPR_PALtemp14: - case ISA::IPR_PALtemp15: - case ISA::IPR_PALtemp16: - case ISA::IPR_PALtemp17: - case ISA::IPR_PALtemp18: - case ISA::IPR_PALtemp19: - case ISA::IPR_PALtemp20: - case ISA::IPR_PALtemp21: - case ISA::IPR_PALtemp22: - case ISA::IPR_PAL_BASE: - case ISA::IPR_IC_PERR_STAT: - case ISA::IPR_DC_PERR_STAT: - case ISA::IPR_PMCTR: - // write entire quad w/ no side-effect - ipr[idx] = val; - break; - - case ISA::IPR_CC_CTL: - // This IPR resets the cycle counter. We assume this only - // happens once... let's verify that. - assert(ipr[idx] == 0); - ipr[idx] = 1; - break; - - case ISA::IPR_CC: - // This IPR only writes the upper 64 bits. It's ok to write - // all 64 here since we mask out the lower 32 in rpcc (see - // isa_desc). - ipr[idx] = val; - break; - - case ISA::IPR_PALtemp23: - // write entire quad w/ no side-effect - old = ipr[idx]; - ipr[idx] = val; - break; - - case ISA::IPR_DTB_PTE: - // write entire quad w/ no side-effect, tag is forthcoming - ipr[idx] = val; - break; - - case ISA::IPR_EXC_ADDR: - // second least significant bit in PC is always zero - ipr[idx] = val & ~2; - break; - - case ISA::IPR_ASTRR: - case ISA::IPR_ASTER: - // only write least significant four bits - privilege mask - ipr[idx] = val & 0xf; - break; - - case ISA::IPR_IPLR: - // only write least significant five bits - interrupt level - ipr[idx] = val & 0x1f; - break; - - case ISA::IPR_DTB_CM: - - case ISA::IPR_ICM: - // only write two mode bits - processor mode - ipr[idx] = val & 0x18; - break; - - case ISA::IPR_ALT_MODE: - // only write two mode bits - processor mode - ipr[idx] = val & 0x18; - break; - - case ISA::IPR_MCSR: - // more here after optimization... - ipr[idx] = val; - break; - - case ISA::IPR_SIRR: - // only write software interrupt mask - ipr[idx] = val & 0x7fff0; - break; - - case ISA::IPR_ICSR: - ipr[idx] = val & ULL(0xffffff0300); - break; - - case ISA::IPR_IVPTBR: - case ISA::IPR_MVPTBR: - ipr[idx] = val & ULL(0xffffffffc0000000); - break; - - case ISA::IPR_DC_TEST_CTL: - ipr[idx] = val & 0x1ffb; - break; - - case ISA::IPR_DC_MODE: - case ISA::IPR_MAF_MODE: - ipr[idx] = val & 0x3f; - break; - - case ISA::IPR_ITB_ASN: - ipr[idx] = val & 0x7f0; - break; - - case ISA::IPR_DTB_ASN: - ipr[idx] = val & ULL(0xfe00000000000000); - break; - - case ISA::IPR_EXC_SUM: - case ISA::IPR_EXC_MASK: - // any write to this register clears it - ipr[idx] = 0; - break; - - case ISA::IPR_INTID: - case ISA::IPR_SL_RCV: - case ISA::IPR_MM_STAT: - case ISA::IPR_ITB_PTE_TEMP: - case ISA::IPR_DTB_PTE_TEMP: - // read-only registers - return Unimplemented_Opcode_Fault; - - case ISA::IPR_HWINT_CLR: - case ISA::IPR_SL_XMIT: - case ISA::IPR_DC_FLUSH: - case ISA::IPR_IC_FLUSH: - // the following are write only - ipr[idx] = val; - break; - - case ISA::IPR_DTB_IA: - // really a control write - ipr[idx] = 0; - - cpu->dtb->flushAll(); - break; - - case ISA::IPR_DTB_IAP: - // really a control write - ipr[idx] = 0; - - cpu->dtb->flushProcesses(); - break; - - case ISA::IPR_DTB_IS: - // really a control write - ipr[idx] = val; - - cpu->dtb->flushAddr(val, DTB_ASN_ASN(ipr[ISA::IPR_DTB_ASN])); - break; - - case ISA::IPR_DTB_TAG: { - struct ISA::PTE pte; - - // FIXME: granularity hints NYI... - if (DTB_PTE_GH(ipr[ISA::IPR_DTB_PTE]) != 0) - panic("PTE GH field != 0"); - - // write entire quad - ipr[idx] = val; - - // construct PTE for new entry - pte.ppn = DTB_PTE_PPN(ipr[ISA::IPR_DTB_PTE]); - pte.xre = DTB_PTE_XRE(ipr[ISA::IPR_DTB_PTE]); - pte.xwe = DTB_PTE_XWE(ipr[ISA::IPR_DTB_PTE]); - pte.fonr = DTB_PTE_FONR(ipr[ISA::IPR_DTB_PTE]); - pte.fonw = DTB_PTE_FONW(ipr[ISA::IPR_DTB_PTE]); - pte.asma = DTB_PTE_ASMA(ipr[ISA::IPR_DTB_PTE]); - pte.asn = DTB_ASN_ASN(ipr[ISA::IPR_DTB_ASN]); - - // insert new TAG/PTE value into data TLB - cpu->dtb->insert(val, pte); - } - break; - - case ISA::IPR_ITB_PTE: { - struct ISA::PTE pte; - - // FIXME: granularity hints NYI... - if (ITB_PTE_GH(val) != 0) - panic("PTE GH field != 0"); - - // write entire quad - ipr[idx] = val; - - // construct PTE for new entry - pte.ppn = ITB_PTE_PPN(val); - pte.xre = ITB_PTE_XRE(val); - pte.xwe = 0; - pte.fonr = ITB_PTE_FONR(val); - pte.fonw = ITB_PTE_FONW(val); - pte.asma = ITB_PTE_ASMA(val); - pte.asn = ITB_ASN_ASN(ipr[ISA::IPR_ITB_ASN]); - - // insert new TAG/PTE value into data TLB - cpu->itb->insert(ipr[ISA::IPR_ITB_TAG], pte); - } - break; - - case ISA::IPR_ITB_IA: - // really a control write - ipr[idx] = 0; - - cpu->itb->flushAll(); - break; - - case ISA::IPR_ITB_IAP: - // really a control write - ipr[idx] = 0; - - cpu->itb->flushProcesses(); - break; - - case ISA::IPR_ITB_IS: - // really a control write - ipr[idx] = val; - - cpu->itb->flushAddr(val, ITB_ASN_ASN(ipr[ISA::IPR_ITB_ASN])); - break; - - default: - // invalid IPR - return Unimplemented_Opcode_Fault; - } - - // no error... - return No_Fault; -} - -#endif // #ifdef FULL_SYSTEM - -#endif // __CPU_BETA_CPU_REGFILE_HH__ |