*/
#include "arch/mips/isa.hh"
-#include "arch/mips/mt_constants.hh"
#include "arch/mips/mt.hh"
+#include "arch/mips/mt_constants.hh"
#include "arch/mips/pra_constants.hh"
#include "base/bitfield.hh"
#include "cpu/base.hh"
#include "cpu/thread_context.hh"
+#include "debug/MipsPRA.hh"
+#include "params/MipsISA.hh"
namespace MipsISA
{
"LLFlag"
};
-ISA::ISA()
-{
- init();
-}
-
-ISA::ISA(BaseCPU *_cpu)
-{
- cpu = _cpu;
- init();
-}
-
-void
-ISA::init()
+ISA::ISA(Params *p)
+ : SimObject(p), numThreads(p->num_threads), numVpes(p->num_vpes)
{
miscRegFile.resize(NumMiscRegs);
bankType.resize(NumMiscRegs);
miscRegFile_WriteMask.resize(NumMiscRegs);
- for (int i=0; i < NumMiscRegs; i++) {
- miscRegFile_WriteMask[i].push_back(0);
- }
- clear(0);
-}
-
-void
-ISA::clear(unsigned tid_or_vpn)
-{
- for(int i = 0; i < NumMiscRegs; i++) {
- miscRegFile[i][tid_or_vpn] = 0;
- miscRegFile_WriteMask[i][tid_or_vpn] = (long unsigned int)(-1);
+ for (int i = 0; i < NumMiscRegs; i++) {
+ miscRegFile_WriteMask[i].push_back(0);
}
-}
-void
-ISA::expandForMultithreading(ThreadID num_threads, unsigned num_vpes)
-{
// Initialize all Per-VPE regs
- uint32_t per_vpe_regs[] = { VPEControl, VPEConf0, VPEConf1, YQMask,
- VPESchedule, VPEScheFBack, VPEOpt, SRSConf0,
- SRSConf1, SRSConf2, SRSConf3, SRSConf4,
- EBase
+ uint32_t per_vpe_regs[] = { MISCREG_VPE_CONTROL,
+ MISCREG_VPE_CONF0, MISCREG_VPE_CONF1,
+ MISCREG_YQMASK,
+ MISCREG_VPE_SCHEDULE, MISCREG_VPE_SCHEFBACK,
+ MISCREG_VPE_OPT, MISCREG_SRS_CONF0,
+ MISCREG_SRS_CONF1, MISCREG_SRS_CONF2,
+ MISCREG_SRS_CONF3, MISCREG_SRS_CONF4,
+ MISCREG_EBASE
};
uint32_t num_vpe_regs = sizeof(per_vpe_regs) / 4;
for (int i = 0; i < num_vpe_regs; i++) {
- if (num_vpes > 1) {
- miscRegFile[per_vpe_regs[i]].resize(num_vpes);
+ if (numVpes > 1) {
+ miscRegFile[per_vpe_regs[i]].resize(numVpes);
}
bankType[per_vpe_regs[i]] = perVirtProcessor;
}
// Initialize all Per-TC regs
- uint32_t per_tc_regs[] = { Status, TCStatus, TCBind, TCRestart, TCHalt,
- TCContext, TCSchedule, TCScheFBack, Debug,
- LLAddr
+ uint32_t per_tc_regs[] = { MISCREG_STATUS,
+ MISCREG_TC_STATUS, MISCREG_TC_BIND,
+ MISCREG_TC_RESTART, MISCREG_TC_HALT,
+ MISCREG_TC_CONTEXT, MISCREG_TC_SCHEDULE,
+ MISCREG_TC_SCHEFBACK,
+ MISCREG_DEBUG, MISCREG_LLADDR
};
uint32_t num_tc_regs = sizeof(per_tc_regs) / 4;
for (int i = 0; i < num_tc_regs; i++) {
- miscRegFile[per_tc_regs[i]].resize(num_threads);
+ miscRegFile[per_tc_regs[i]].resize(numThreads);
bankType[per_tc_regs[i]] = perThreadContext;
}
+ clear();
+}
- if (num_vpes > 1) {
- for (int i=1; i < num_vpes; i++) {
- clear(i);
- }
- }
+const MipsISAParams *
+ISA::params() const
+{
+ return dynamic_cast<const Params *>(_params);
+}
+
+void
+ISA::clear()
+{
+ for(int i = 0; i < NumMiscRegs; i++) {
+ for (int j = 0; j < miscRegFile[i].size(); j++)
+ miscRegFile[i][j] = 0;
+ for (int k = 0; k < miscRegFile_WriteMask[i].size(); k++)
+ miscRegFile_WriteMask[i][k] = (long unsigned int)(-1);
+ }
}
-//@TODO: Use MIPS STYLE CONSTANTS (e.g. TCHALT_H instead of TCH_H)
+
void
-ISA::reset(std::string core_name, ThreadID num_threads,
- unsigned num_vpes, BaseCPU *_cpu)
+ISA::configCP()
{
DPRINTF(MipsPRA, "Resetting CP0 State with %i TCs and %i VPEs\n",
- num_threads, num_vpes);
- cpu = _cpu;
+ numThreads, numVpes);
- MipsISA::CoreSpecific &cp = cpu->coreParams;
+ CoreSpecific cp;
+ panic("CP state must be set before the following code is used");
// Do Default CP0 initialization HERE
// ===================================================
DPRINTF(MipsPRA, "Initializing CP0 State.... ");
- MiscReg ProcID = readMiscRegNoEffect(PRId);
- replaceBits(ProcID,PRIdCoOp_HI,PRIdCoOp_LO,cp.CP0_PRId_CompanyOptions);
- replaceBits(ProcID,PRIdCoID_HI,PRIdCoID_LO,cp.CP0_PRId_CompanyID);
- replaceBits(ProcID,PRIdProc_ID_HI,PRIdProc_ID_LO,cp.CP0_PRId_ProcessorID);
- replaceBits(ProcID,PRIdRev_HI,PRIdRev_LO,cp.CP0_PRId_Revision);
- setMiscRegNoEffect(PRId,ProcID);
+ PRIdReg procId = readMiscRegNoEffect(MISCREG_PRID);
+ procId.coOp = cp.CP0_PRId_CompanyOptions;
+ procId.coId = cp.CP0_PRId_CompanyID;
+ procId.procId = cp.CP0_PRId_ProcessorID;
+ procId.rev = cp.CP0_PRId_Revision;
+ setMiscRegNoEffect(MISCREG_PRID, procId);
+
// Now, create Write Mask for ProcID register
- MiscReg ProcID_Mask = 0; // Read-Only register
- replaceBits(ProcID_Mask,0,32,0);
- setRegMask(PRId,ProcID_Mask);
+ MiscReg procIDMask = 0; // Read-Only register
+ replaceBits(procIDMask, 0, 32, 0);
+ setRegMask(MISCREG_PRID, procIDMask);
// Config
- MiscReg cfg = readMiscRegNoEffect(Config);
- replaceBits(cfg, Config_BE_HI, Config_BE_LO, cp.CP0_Config_BE);
- replaceBits(cfg, Config_AT_HI, Config_AT_LO, cp.CP0_Config_AT);
- replaceBits(cfg, Config_AR_HI, Config_AR_LO, cp.CP0_Config_AR);
- replaceBits(cfg, Config_MT_HI, Config_MT_LO, cp.CP0_Config_MT);
- replaceBits(cfg, Config_VI_HI, Config_VI_LO, cp.CP0_Config_VI);
- replaceBits(cfg, Config_M, 1);
- setMiscRegNoEffect(Config, cfg);
+ ConfigReg cfg = readMiscRegNoEffect(MISCREG_CONFIG);
+ cfg.be = cp.CP0_Config_BE;
+ cfg.at = cp.CP0_Config_AT;
+ cfg.ar = cp.CP0_Config_AR;
+ cfg.mt = cp.CP0_Config_MT;
+ cfg.vi = cp.CP0_Config_VI;
+ cfg.m = 1;
+ setMiscRegNoEffect(MISCREG_CONFIG, cfg);
// Now, create Write Mask for Config register
MiscReg cfg_Mask = 0x7FFF0007;
- replaceBits(cfg_Mask,0,32,0);
- setRegMask(Config,cfg_Mask);
+ replaceBits(cfg_Mask, 0, 32, 0);
+ setRegMask(MISCREG_CONFIG, cfg_Mask);
// Config1
- MiscReg cfg1 = readMiscRegNoEffect(Config1);
- replaceBits(cfg1, Config1_MMUSize_HI, Config1_MMUSize_LO,
- cp.CP0_Config1_MMU);
- replaceBits(cfg1, Config1_IS_HI, Config1_IS_LO, cp.CP0_Config1_IS);
- replaceBits(cfg1, Config1_IL_HI, Config1_IL_LO, cp.CP0_Config1_IL);
- replaceBits(cfg1, Config1_IA_HI, Config1_IA_LO, cp.CP0_Config1_IA);
- replaceBits(cfg1, Config1_DS_HI, Config1_DS_LO, cp.CP0_Config1_DS);
- replaceBits(cfg1, Config1_DL_HI, Config1_DL_LO, cp.CP0_Config1_DL);
- replaceBits(cfg1, Config1_DA_HI, Config1_DA_LO, cp.CP0_Config1_DA);
- replaceBits(cfg1, Config1_FP_HI, Config1_FP_LO, cp.CP0_Config1_FP);
- replaceBits(cfg1, Config1_EP_HI, Config1_EP_LO, cp.CP0_Config1_EP);
- replaceBits(cfg1, Config1_WR_HI, Config1_WR_LO, cp.CP0_Config1_WR);
- replaceBits(cfg1, Config1_MD_HI, Config1_MD_LO, cp.CP0_Config1_MD);
- replaceBits(cfg1, Config1_C2_HI, Config1_C2_LO, cp.CP0_Config1_C2);
- replaceBits(cfg1, Config1_PC_HI, Config1_PC_LO, cp.CP0_Config1_PC);
- replaceBits(cfg1, Config1_M, cp.CP0_Config1_M);
- setMiscRegNoEffect(Config1, cfg1);
+ Config1Reg cfg1 = readMiscRegNoEffect(MISCREG_CONFIG1);
+ cfg1.mmuSize = cp.CP0_Config1_MMU;
+ cfg1.is = cp.CP0_Config1_IS;
+ cfg1.il = cp.CP0_Config1_IL;
+ cfg1.ia = cp.CP0_Config1_IA;
+ cfg1.ds = cp.CP0_Config1_DS;
+ cfg1.dl = cp.CP0_Config1_DL;
+ cfg1.da = cp.CP0_Config1_DA;
+ cfg1.fp = cp.CP0_Config1_FP;
+ cfg1.ep = cp.CP0_Config1_EP;
+ cfg1.wr = cp.CP0_Config1_WR;
+ cfg1.md = cp.CP0_Config1_MD;
+ cfg1.c2 = cp.CP0_Config1_C2;
+ cfg1.pc = cp.CP0_Config1_PC;
+ cfg1.m = cp.CP0_Config1_M;
+ setMiscRegNoEffect(MISCREG_CONFIG1, cfg1);
// Now, create Write Mask for Config register
MiscReg cfg1_Mask = 0; // Read Only Register
- replaceBits(cfg1_Mask,0,32,0);
- setRegMask(Config1,cfg1_Mask);
+ replaceBits(cfg1_Mask, 0, 32, 0);
+ setRegMask(MISCREG_CONFIG1, cfg1_Mask);
// Config2
- MiscReg cfg2 = readMiscRegNoEffect(Config2);
- replaceBits(cfg2, Config2_TU_HI, Config2_TU_LO, cp.CP0_Config2_TU);
- replaceBits(cfg2, Config2_TS_HI, Config2_TS_LO, cp.CP0_Config2_TS);
- replaceBits(cfg2, Config2_TL_HI, Config2_TL_LO, cp.CP0_Config2_TL);
- replaceBits(cfg2, Config2_TA_HI, Config2_TA_LO, cp.CP0_Config2_TA);
- replaceBits(cfg2, Config2_SU_HI, Config2_SU_LO, cp.CP0_Config2_SU);
- replaceBits(cfg2, Config2_SS_HI, Config2_SS_LO, cp.CP0_Config2_SS);
- replaceBits(cfg2, Config2_SL_HI, Config2_SL_LO, cp.CP0_Config2_SL);
- replaceBits(cfg2, Config2_SA_HI, Config2_SA_LO, cp.CP0_Config2_SA);
- replaceBits(cfg2, Config2_M, cp.CP0_Config2_M);
- setMiscRegNoEffect(Config2, cfg2);
+ Config2Reg cfg2 = readMiscRegNoEffect(MISCREG_CONFIG2);
+ cfg2.tu = cp.CP0_Config2_TU;
+ cfg2.ts = cp.CP0_Config2_TS;
+ cfg2.tl = cp.CP0_Config2_TL;
+ cfg2.ta = cp.CP0_Config2_TA;
+ cfg2.su = cp.CP0_Config2_SU;
+ cfg2.ss = cp.CP0_Config2_SS;
+ cfg2.sl = cp.CP0_Config2_SL;
+ cfg2.sa = cp.CP0_Config2_SA;
+ cfg2.m = cp.CP0_Config2_M;
+ setMiscRegNoEffect(MISCREG_CONFIG2, cfg2);
// Now, create Write Mask for Config register
MiscReg cfg2_Mask = 0x7000F000; // Read Only Register
- replaceBits(cfg2_Mask,0,32,0);
- setRegMask(Config2,cfg2_Mask);
+ replaceBits(cfg2_Mask, 0, 32, 0);
+ setRegMask(MISCREG_CONFIG2, cfg2_Mask);
// Config3
- MiscReg cfg3 = readMiscRegNoEffect(Config3);
- replaceBits(cfg3, Config3_DSPP_HI, Config3_DSPP_LO, cp.CP0_Config3_DSPP);
- replaceBits(cfg3, Config3_LPA_HI, Config3_LPA_LO, cp.CP0_Config3_LPA);
- replaceBits(cfg3, Config3_VEIC_HI, Config3_VEIC_LO, cp.CP0_Config3_VEIC);
- replaceBits(cfg3, Config3_VINT_HI, Config3_VINT_LO, cp.CP0_Config3_VInt);
- replaceBits(cfg3, Config3_SP_HI, Config3_SP_LO, cp.CP0_Config3_SP);
- replaceBits(cfg3, Config3_MT_HI, Config3_MT_LO, cp.CP0_Config3_MT);
- replaceBits(cfg3, Config3_SM_HI, Config3_SM_LO, cp.CP0_Config3_SM);
- replaceBits(cfg3, Config3_TL_HI, Config3_TL_LO, cp.CP0_Config3_TL);
- setMiscRegNoEffect(Config3, cfg3);
+ Config3Reg cfg3 = readMiscRegNoEffect(MISCREG_CONFIG3);
+ cfg3.dspp = cp.CP0_Config3_DSPP;
+ cfg3.lpa = cp.CP0_Config3_LPA;
+ cfg3.veic = cp.CP0_Config3_VEIC;
+ cfg3.vint = cp.CP0_Config3_VInt;
+ cfg3.sp = cp.CP0_Config3_SP;
+ cfg3.mt = cp.CP0_Config3_MT;
+ cfg3.sm = cp.CP0_Config3_SM;
+ cfg3.tl = cp.CP0_Config3_TL;
+ setMiscRegNoEffect(MISCREG_CONFIG3, cfg3);
// Now, create Write Mask for Config register
MiscReg cfg3_Mask = 0; // Read Only Register
- replaceBits(cfg3_Mask,0,32,0);
- setRegMask(Config3,cfg3_Mask);
+ replaceBits(cfg3_Mask, 0, 32, 0);
+ setRegMask(MISCREG_CONFIG3, cfg3_Mask);
// EBase - CPUNum
- MiscReg EB = readMiscRegNoEffect(EBase);
- replaceBits(EB, EBase_CPUNum_HI, EBase_CPUNum_LO, cp.CP0_EBase_CPUNum);
- replaceBits(EB, 31, 31, 1);
- setMiscRegNoEffect(EBase, EB);
+ EBaseReg eBase = readMiscRegNoEffect(MISCREG_EBASE);
+ eBase.cpuNum = cp.CP0_EBase_CPUNum;
+ replaceBits(eBase, 31, 31, 1);
+ setMiscRegNoEffect(MISCREG_EBASE, eBase);
// Now, create Write Mask for Config register
MiscReg EB_Mask = 0x3FFFF000;// Except Exception Base, the
// entire register is read only
- replaceBits(EB_Mask,0,32,0);
- setRegMask(EBase,EB_Mask);
+ replaceBits(EB_Mask, 0, 32, 0);
+ setRegMask(MISCREG_EBASE, EB_Mask);
// SRS Control - HSS (Highest Shadow Set)
- MiscReg SC = readMiscRegNoEffect(SRSCtl);
- replaceBits(SC, SRSCtl_HSS_HI,SRSCtl_HSS_LO,cp.CP0_SrsCtl_HSS);
- setMiscRegNoEffect(SRSCtl, SC);
+ SRSCtlReg scsCtl = readMiscRegNoEffect(MISCREG_SRSCTL);
+ scsCtl.hss = cp.CP0_SrsCtl_HSS;
+ setMiscRegNoEffect(MISCREG_SRSCTL, scsCtl);
// Now, create Write Mask for the SRS Ctl register
MiscReg SC_Mask = 0x0000F3C0;
- replaceBits(SC_Mask,0,32,0);
- setRegMask(SRSCtl,SC_Mask);
+ replaceBits(SC_Mask, 0, 32, 0);
+ setRegMask(MISCREG_SRSCTL, SC_Mask);
// IntCtl - IPTI, IPPCI
- MiscReg IC = readMiscRegNoEffect(IntCtl);
- replaceBits(IC, IntCtl_IPTI_HI,IntCtl_IPTI_LO,cp.CP0_IntCtl_IPTI);
- replaceBits(IC, IntCtl_IPPCI_HI,IntCtl_IPPCI_LO,cp.CP0_IntCtl_IPPCI);
- setMiscRegNoEffect(IntCtl, IC);
+ IntCtlReg intCtl = readMiscRegNoEffect(MISCREG_INTCTL);
+ intCtl.ipti = cp.CP0_IntCtl_IPTI;
+ intCtl.ippci = cp.CP0_IntCtl_IPPCI;
+ setMiscRegNoEffect(MISCREG_INTCTL, intCtl);
// Now, create Write Mask for the IntCtl register
MiscReg IC_Mask = 0x000003E0;
- replaceBits(IC_Mask,0,32,0);
- setRegMask(IntCtl,IC_Mask);
+ replaceBits(IC_Mask, 0, 32, 0);
+ setRegMask(MISCREG_INTCTL, IC_Mask);
// Watch Hi - M - FIXME (More than 1 Watch register)
- MiscReg WHi = readMiscRegNoEffect(WatchHi0);
- replaceBits(WHi, WatchHi_M, cp.CP0_WatchHi_M);
- setMiscRegNoEffect(WatchHi0, WHi);
+ WatchHiReg watchHi = readMiscRegNoEffect(MISCREG_WATCHHI0);
+ watchHi.m = cp.CP0_WatchHi_M;
+ setMiscRegNoEffect(MISCREG_WATCHHI0, watchHi);
// Now, create Write Mask for the IntCtl register
MiscReg wh_Mask = 0x7FFF0FFF;
- replaceBits(wh_Mask,0,32,0);
- setRegMask(WatchHi0,wh_Mask);
+ replaceBits(wh_Mask, 0, 32, 0);
+ setRegMask(MISCREG_WATCHHI0, wh_Mask);
// Perf Ctr - M - FIXME (More than 1 PerfCnt Pair)
- MiscReg PCtr = readMiscRegNoEffect(PerfCnt0);
- replaceBits(PCtr, PerfCntCtl_M, cp.CP0_PerfCtr_M);
- replaceBits(PCtr, PerfCntCtl_W, cp.CP0_PerfCtr_W);
- setMiscRegNoEffect(PerfCnt0, PCtr);
+ PerfCntCtlReg perfCntCtl = readMiscRegNoEffect(MISCREG_PERFCNT0);
+ perfCntCtl.m = cp.CP0_PerfCtr_M;
+ perfCntCtl.w = cp.CP0_PerfCtr_W;
+ setMiscRegNoEffect(MISCREG_PERFCNT0, perfCntCtl);
// Now, create Write Mask for the IntCtl register
MiscReg pc_Mask = 0x00007FF;
- replaceBits(pc_Mask,0,32,0);
- setRegMask(PerfCnt0,pc_Mask);
+ replaceBits(pc_Mask, 0, 32, 0);
+ setRegMask(MISCREG_PERFCNT0, pc_Mask);
// Random
- MiscReg random = readMiscRegNoEffect(CP0_Random);
- random = 63;
- setMiscRegNoEffect(CP0_Random, random);
+ setMiscRegNoEffect(MISCREG_CP0_RANDOM, 63);
// Now, create Write Mask for the IntCtl register
MiscReg random_Mask = 0;
- replaceBits(random_Mask,0,32,0);
- setRegMask(CP0_Random,random_Mask);
+ replaceBits(random_Mask, 0, 32, 0);
+ setRegMask(MISCREG_CP0_RANDOM, random_Mask);
// PageGrain
- MiscReg pagegrain = readMiscRegNoEffect(PageGrain);
- replaceBits(pagegrain,PageGrain_ESP,cp.CP0_Config3_SP);
- setMiscRegNoEffect(PageGrain, pagegrain);
+ PageGrainReg pageGrain = readMiscRegNoEffect(MISCREG_PAGEGRAIN);
+ pageGrain.esp = cp.CP0_Config3_SP;
+ setMiscRegNoEffect(MISCREG_PAGEGRAIN, pageGrain);
// Now, create Write Mask for the IntCtl register
MiscReg pg_Mask = 0x10000000;
- replaceBits(pg_Mask,0,32,0);
- setRegMask(PageGrain,pg_Mask);
+ replaceBits(pg_Mask, 0, 32, 0);
+ setRegMask(MISCREG_PAGEGRAIN, pg_Mask);
// Status
- MiscReg stat = readMiscRegNoEffect(Status);
+ StatusReg status = readMiscRegNoEffect(MISCREG_STATUS);
// Only CU0 and IE are modified on a reset - everything else needs
// to be controlled on a per CPU model basis
// Enable CP0 on reset
- // replaceBits(stat, Status_CU0_HI,Status_CU0_LO, 1);
+ // status.cu0 = 1;
// Enable ERL bit on a reset
- replaceBits(stat, Status_ERL_HI, Status_ERL_LO, 1);
-
+ status.erl = 1;
// Enable BEV bit on a reset
- replaceBits(stat, Status_BEV_HI, Status_BEV_LO, 1);
+ status.bev = 1;
- setMiscRegNoEffect(Status, stat);
+ setMiscRegNoEffect(MISCREG_STATUS, status);
// Now, create Write Mask for the Status register
MiscReg stat_Mask = 0xFF78FF17;
- replaceBits(stat_Mask,0,32,0);
- setRegMask(Status,stat_Mask);
+ replaceBits(stat_Mask, 0, 32, 0);
+ setRegMask(MISCREG_STATUS, stat_Mask);
// MVPConf0
- MiscReg mvp_conf0 = readMiscRegNoEffect(MVPConf0);
- replaceBits(mvp_conf0, MVPC0_TCA, 1);
- replaceBits(mvp_conf0, MVPC0_PVPE_HI, MVPC0_PVPE_LO, num_vpes - 1);
- replaceBits(mvp_conf0, MVPC0_PTC_HI, MVPC0_PTC_LO, num_threads - 1);
- setMiscRegNoEffect(MVPConf0, mvp_conf0);
+ MVPConf0Reg mvpConf0 = readMiscRegNoEffect(MISCREG_MVP_CONF0);
+ mvpConf0.tca = 1;
+ mvpConf0.pvpe = numVpes - 1;
+ mvpConf0.ptc = numThreads - 1;
+ setMiscRegNoEffect(MISCREG_MVP_CONF0, mvpConf0);
// VPEConf0
- MiscReg vpe_conf0 = readMiscRegNoEffect(VPEConf0);
- replaceBits(vpe_conf0, VPEC0_MVP, 1);
- setMiscRegNoEffect(VPEConf0, vpe_conf0);
+ VPEConf0Reg vpeConf0 = readMiscRegNoEffect(MISCREG_VPE_CONF0);
+ vpeConf0.mvp = 1;
+ setMiscRegNoEffect(MISCREG_VPE_CONF0, vpeConf0);
// TCBind
- for (ThreadID tid = 0; tid < num_threads; tid++) {
- MiscReg tc_bind = readMiscRegNoEffect(TCBind, tid);
- replaceBits(tc_bind, TCB_CUR_TC_HI, TCB_CUR_TC_LO, tid);
- setMiscRegNoEffect(TCBind, tc_bind, tid);
+ for (ThreadID tid = 0; tid < numThreads; tid++) {
+ TCBindReg tcBind = readMiscRegNoEffect(MISCREG_TC_BIND, tid);
+ tcBind.curTC = tid;
+ setMiscRegNoEffect(MISCREG_TC_BIND, tcBind, tid);
}
// TCHalt
- MiscReg tc_halt = readMiscRegNoEffect(TCHalt);
- replaceBits(tc_halt, TCH_H, 0);
- setMiscRegNoEffect(TCHalt, tc_halt);
- /*for (ThreadID tid = 1; tid < num_threads; tid++) {
- // Set TCHalt Halt bit to 1 for all other threads
- tc_halt = readMiscRegNoEffect(TCHalt, tid);
- replaceBits(tc_halt, TCH_H, 1);
- setReg(TCHalt, tc_halt, tid);
- }*/
+ TCHaltReg tcHalt = readMiscRegNoEffect(MISCREG_TC_HALT);
+ tcHalt.h = 0;
+ setMiscRegNoEffect(MISCREG_TC_HALT, tcHalt);
// TCStatus
// Set TCStatus Activated to 1 for the initial thread that is running
- MiscReg tc_status = readMiscRegNoEffect(TCStatus);
- replaceBits(tc_status, TCS_A, 1);
- setMiscRegNoEffect(TCStatus, tc_status);
+ TCStatusReg tcStatus = readMiscRegNoEffect(MISCREG_TC_STATUS);
+ tcStatus.a = 1;
+ setMiscRegNoEffect(MISCREG_TC_STATUS, tcStatus);
// Set Dynamically Allocatable bit to 1 for all other threads
- for (ThreadID tid = 1; tid < num_threads; tid++) {
- tc_status = readMiscRegNoEffect(TCStatus, tid);
- replaceBits(tc_status, TCSTATUS_DA, 1);
- setMiscRegNoEffect(TCStatus, tc_status, tid);
+ for (ThreadID tid = 1; tid < numThreads; tid++) {
+ tcStatus = readMiscRegNoEffect(MISCREG_TC_STATUS, tid);
+ tcStatus.da = 1;
+ setMiscRegNoEffect(MISCREG_TC_STATUS, tcStatus, tid);
}
- MiscReg Mask = 0x7FFFFFFF;
+ MiscReg mask = 0x7FFFFFFF;
// Now, create Write Mask for the Index register
- replaceBits(Mask,0,32,0);
- setRegMask(Index,Mask);
+ replaceBits(mask, 0, 32, 0);
+ setRegMask(MISCREG_INDEX, mask);
- Mask = 0x3FFFFFFF;
- replaceBits(Mask,0,32,0);
- setRegMask(EntryLo0,Mask);
- setRegMask(EntryLo1,Mask);
+ mask = 0x3FFFFFFF;
+ replaceBits(mask, 0, 32, 0);
+ setRegMask(MISCREG_ENTRYLO0, mask);
+ setRegMask(MISCREG_ENTRYLO1, mask);
- Mask = 0xFF800000;
- replaceBits(Mask,0,32,0);
- setRegMask(Context,Mask);
+ mask = 0xFF800000;
+ replaceBits(mask, 0, 32, 0);
+ setRegMask(MISCREG_CONTEXT, mask);
- Mask = 0x1FFFF800;
- replaceBits(Mask,0,32,0);
- setRegMask(PageMask,Mask);
+ mask = 0x1FFFF800;
+ replaceBits(mask, 0, 32, 0);
+ setRegMask(MISCREG_PAGEMASK, mask);
- Mask = 0x0;
- replaceBits(Mask,0,32,0);
- setRegMask(BadVAddr,Mask);
- setRegMask(LLAddr,Mask);
+ mask = 0x0;
+ replaceBits(mask, 0, 32, 0);
+ setRegMask(MISCREG_BADVADDR, mask);
+ setRegMask(MISCREG_LLADDR, mask);
- Mask = 0x08C00300;
- replaceBits(Mask,0,32,0);
- setRegMask(Cause,Mask);
+ mask = 0x08C00300;
+ replaceBits(mask, 0, 32, 0);
+ setRegMask(MISCREG_CAUSE, mask);
}
inline unsigned
ISA::getVPENum(ThreadID tid)
{
- unsigned tc_bind = miscRegFile[TCBind - Ctrl_Base_DepTag][tid];
- return bits(tc_bind, TCB_CUR_VPE_HI, TCB_CUR_VPE_LO);
+ TCBindReg tcBind = miscRegFile[MISCREG_TC_BIND][tid];
+ return tcBind.curVPE;
}
MiscReg
-ISA::readMiscRegNoEffect(int reg_idx, ThreadID tid)
+ISA::readMiscRegNoEffect(int misc_reg, ThreadID tid)
{
- int misc_reg = reg_idx - Ctrl_Base_DepTag;
unsigned reg_sel = (bankType[misc_reg] == perThreadContext)
? tid : getVPENum(tid);
DPRINTF(MipsPRA, "Reading CP0 Register:%u Select:%u (%s) (%lx).\n",
// Status to TCStatus depending on current thread
//template <class TC>
MiscReg
-ISA::readMiscReg(int reg_idx, ThreadContext *tc, ThreadID tid)
+ISA::readMiscReg(int misc_reg, ThreadContext *tc, ThreadID tid)
{
- int misc_reg = reg_idx - Ctrl_Base_DepTag;
unsigned reg_sel = (bankType[misc_reg] == perThreadContext)
? tid : getVPENum(tid);
DPRINTF(MipsPRA,
misc_reg / 8, misc_reg % 8, miscRegNames[misc_reg],
miscRegFile[misc_reg][reg_sel]);
-
- switch (misc_reg)
- {
- default:
- return miscRegFile[misc_reg][reg_sel];
- }
+ return miscRegFile[misc_reg][reg_sel];
}
void
-ISA::setMiscRegNoEffect(int reg_idx, const MiscReg &val, ThreadID tid)
+ISA::setMiscRegNoEffect(int misc_reg, const MiscReg &val, ThreadID tid)
{
- int misc_reg = reg_idx - Ctrl_Base_DepTag;
unsigned reg_sel = (bankType[misc_reg] == perThreadContext)
? tid : getVPENum(tid);
DPRINTF(MipsPRA,
}
void
-ISA::setRegMask(int reg_idx, const MiscReg &val, ThreadID tid)
+ISA::setRegMask(int misc_reg, const MiscReg &val, ThreadID tid)
{
- // return;
- int misc_reg = reg_idx - Ctrl_Base_DepTag;
unsigned reg_sel = (bankType[misc_reg] == perThreadContext)
? tid : getVPENum(tid);
DPRINTF(MipsPRA,
// (1) Some CP0 Registers have fields that cannot
// be overwritten. Make sure to handle those particular registers
// with care!
-//template <class TC>
void
-ISA::setMiscReg(int reg_idx, const MiscReg &val,
+ISA::setMiscReg(int misc_reg, const MiscReg &val,
ThreadContext *tc, ThreadID tid)
{
- int misc_reg = reg_idx - Ctrl_Base_DepTag;
int reg_sel = (bankType[misc_reg] == perThreadContext)
? tid : getVPENum(tid);
miscRegFile[misc_reg][reg_sel] = cp0_val;
- scheduleCP0Update(1);
+ scheduleCP0Update(tc->getCpuPtr(), Cycles(1));
}
/**
MiscReg
ISA::filterCP0Write(int misc_reg, int reg_sel, const MiscReg &val)
{
- MiscReg retVal = val;
-
- // Mask off read-only regions
- retVal &= miscRegFile_WriteMask[misc_reg][reg_sel];
- MiscReg curVal = miscRegFile[misc_reg][reg_sel];
- // Mask off current alue with inverse mask (clear writeable bits)
- curVal &= (~miscRegFile_WriteMask[misc_reg][reg_sel]);
- retVal |= curVal; // Combine the two
- DPRINTF(MipsPRA,
- "filterCP0Write: Mask: %lx, Inverse Mask: %lx, write Val: %x, "
- "current val: %lx, written val: %x\n",
- miscRegFile_WriteMask[misc_reg][reg_sel],
- ~miscRegFile_WriteMask[misc_reg][reg_sel],
- val, miscRegFile[misc_reg][reg_sel], retVal);
- return retVal;
+ MiscReg retVal = val;
+
+ // Mask off read-only regions
+ retVal &= miscRegFile_WriteMask[misc_reg][reg_sel];
+ MiscReg curVal = miscRegFile[misc_reg][reg_sel];
+ // Mask off current alue with inverse mask (clear writeable bits)
+ curVal &= (~miscRegFile_WriteMask[misc_reg][reg_sel]);
+ retVal |= curVal; // Combine the two
+ DPRINTF(MipsPRA,
+ "filterCP0Write: Mask: %lx, Inverse Mask: %lx, write Val: %x, "
+ "current val: %lx, written val: %x\n",
+ miscRegFile_WriteMask[misc_reg][reg_sel],
+ ~miscRegFile_WriteMask[misc_reg][reg_sel],
+ val, miscRegFile[misc_reg][reg_sel], retVal);
+ return retVal;
}
void
-ISA::scheduleCP0Update(int delay)
+ISA::scheduleCP0Update(BaseCPU *cpu, Cycles delay)
{
if (!cp0Updated) {
cp0Updated = true;
//schedule UPDATE
CP0Event *cp0_event = new CP0Event(this, cpu, UpdateCP0);
- cpu->schedule(cp0_event, curTick + cpu->ticks(delay));
+ cpu->schedule(cp0_event, cpu->clockEdge(delay));
}
}
void
-ISA::updateCPU()
+ISA::updateCPU(BaseCPU *cpu)
{
///////////////////////////////////////////////////////////////////
//
// EVALUATE CP0 STATE FOR MIPS MT
//
///////////////////////////////////////////////////////////////////
- unsigned mvp_conf0 = readMiscRegNoEffect(MVPConf0);
- ThreadID num_threads = bits(mvp_conf0, MVPC0_PTC_HI, MVPC0_PTC_LO) + 1;
+ MVPConf0Reg mvpConf0 = readMiscRegNoEffect(MISCREG_MVP_CONF0);
+ ThreadID num_threads = mvpConf0.ptc + 1;
for (ThreadID tid = 0; tid < num_threads; tid++) {
- MiscReg tc_status = readMiscRegNoEffect(TCStatus, tid);
- MiscReg tc_halt = readMiscRegNoEffect(TCHalt, tid);
+ TCStatusReg tcStatus = readMiscRegNoEffect(MISCREG_TC_STATUS, tid);
+ TCHaltReg tcHalt = readMiscRegNoEffect(MISCREG_TC_HALT, tid);
//@todo: add vpe/mt check here thru mvpcontrol & vpecontrol regs
- if (bits(tc_halt, TCH_H) == 1 || bits(tc_status, TCS_A) == 0) {
+ if (tcHalt.h == 1 || tcStatus.a == 0) {
haltThread(cpu->getContext(tid));
- } else if (bits(tc_halt, TCH_H) == 0 && bits(tc_status, TCS_A) == 1) {
+ } else if (tcHalt.h == 0 && tcStatus.a == 1) {
restoreThread(cpu->getContext(tid));
}
}
- num_threads = bits(mvp_conf0, MVPC0_PTC_HI, MVPC0_PTC_LO) + 1;
+ num_threads = mvpConf0.ptc + 1;
// Toggle update flag after we finished updating
cp0Updated = false;
switch (cp0EventType)
{
case UpdateCP0:
- cp0->updateCPU();
+ cp0->updateCPU(cpu);
break;
}
-
- //cp0EventRemoveList.push(this);
}
const char *
}
void
-ISA::CP0Event::scheduleEvent(int delay)
+ISA::CP0Event::scheduleEvent(Cycles delay)
{
- cpu->reschedule(this, curTick + cpu->ticks(delay), true);
+ cpu->reschedule(this, cpu->clockEdge(delay), true);
}
void
}
}
+
+MipsISA::ISA *
+MipsISAParams::create()
+{
+ return new MipsISA::ISA(this);
+}
projects / gem5.git / blobdiff