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Diffstat (limited to 'src/arch/mips/isa.cc')
-rw-r--r--src/arch/mips/isa.cc189
1 files changed, 95 insertions, 94 deletions
diff --git a/src/arch/mips/isa.cc b/src/arch/mips/isa.cc
index 6ef6f9f41..3c8c9a986 100644
--- a/src/arch/mips/isa.cc
+++ b/src/arch/mips/isa.cc
@@ -129,10 +129,14 @@ 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++) {
@@ -143,9 +147,12 @@ ISA::expandForMultithreading(ThreadID num_threads, unsigned num_vpes)
}
// 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;
@@ -181,34 +188,34 @@ ISA::reset(std::string core_name, ThreadID num_threads,
// ===================================================
DPRINTF(MipsPRA, "Initializing CP0 State.... ");
- PRIdReg procId = readMiscRegNoEffect(PRId);
+ 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(PRId, procId);
+ 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
- ConfigReg cfg = readMiscRegNoEffect(Config);
+ 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(Config, cfg);
+ 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);
+ setRegMask(MISCREG_CONFIG, cfg_Mask);
// Config1
- Config1Reg cfg1 = readMiscRegNoEffect(Config1);
+ Config1Reg cfg1 = readMiscRegNoEffect(MISCREG_CONFIG1);
cfg1.mmuSize = cp.CP0_Config1_MMU;
cfg1.is = cp.CP0_Config1_IS;
cfg1.il = cp.CP0_Config1_IL;
@@ -223,14 +230,14 @@ ISA::reset(std::string core_name, ThreadID num_threads,
cfg1.c2 = cp.CP0_Config1_C2;
cfg1.pc = cp.CP0_Config1_PC;
cfg1.m = cp.CP0_Config1_M;
- setMiscRegNoEffect(Config1, cfg1);
+ 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);
+ setRegMask(MISCREG_CONFIG1, cfg1_Mask);
// Config2
- Config2Reg cfg2 = readMiscRegNoEffect(Config2);
+ Config2Reg cfg2 = readMiscRegNoEffect(MISCREG_CONFIG2);
cfg2.tu = cp.CP0_Config2_TU;
cfg2.ts = cp.CP0_Config2_TS;
cfg2.tl = cp.CP0_Config2_TL;
@@ -240,14 +247,14 @@ ISA::reset(std::string core_name, ThreadID num_threads,
cfg2.sl = cp.CP0_Config2_SL;
cfg2.sa = cp.CP0_Config2_SA;
cfg2.m = cp.CP0_Config2_M;
- setMiscRegNoEffect(Config2, cfg2);
+ 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);
+ setRegMask(MISCREG_CONFIG2, cfg2_Mask);
// Config3
- Config3Reg cfg3 = readMiscRegNoEffect(Config3);
+ Config3Reg cfg3 = readMiscRegNoEffect(MISCREG_CONFIG3);
cfg3.dspp = cp.CP0_Config3_DSPP;
cfg3.lpa = cp.CP0_Config3_LPA;
cfg3.veic = cp.CP0_Config3_VEIC;
@@ -256,79 +263,79 @@ ISA::reset(std::string core_name, ThreadID num_threads,
cfg3.mt = cp.CP0_Config3_MT;
cfg3.sm = cp.CP0_Config3_SM;
cfg3.tl = cp.CP0_Config3_TL;
- setMiscRegNoEffect(Config3, cfg3);
+ 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);
+ setRegMask(MISCREG_CONFIG3, cfg3_Mask);
// EBase - CPUNum
- EBaseReg eBase = readMiscRegNoEffect(EBase);
+ EBaseReg eBase = readMiscRegNoEffect(MISCREG_EBASE);
eBase.cpuNum = cp.CP0_EBase_CPUNum;
replaceBits(eBase, 31, 31, 1);
- setMiscRegNoEffect(EBase, eBase);
+ 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);
+ setRegMask(MISCREG_EBASE, EB_Mask);
// SRS Control - HSS (Highest Shadow Set)
- SRSCtlReg scsCtl = readMiscRegNoEffect(SRSCtl);
+ SRSCtlReg scsCtl = readMiscRegNoEffect(MISCREG_SRSCTL);
scsCtl.hss = cp.CP0_SrsCtl_HSS;
- setMiscRegNoEffect(SRSCtl, scsCtl);
+ 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);
+ setRegMask(MISCREG_SRSCTL, SC_Mask);
// IntCtl - IPTI, IPPCI
- IntCtlReg intCtl = readMiscRegNoEffect(IntCtl);
+ IntCtlReg intCtl = readMiscRegNoEffect(MISCREG_INTCTL);
intCtl.ipti = cp.CP0_IntCtl_IPTI;
intCtl.ippci = cp.CP0_IntCtl_IPPCI;
- setMiscRegNoEffect(IntCtl, intCtl);
+ 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);
+ setRegMask(MISCREG_INTCTL, IC_Mask);
// Watch Hi - M - FIXME (More than 1 Watch register)
- WatchHiReg watchHi = readMiscRegNoEffect(WatchHi0);
+ WatchHiReg watchHi = readMiscRegNoEffect(MISCREG_WATCHHI0);
watchHi.m = cp.CP0_WatchHi_M;
- setMiscRegNoEffect(WatchHi0, watchHi);
+ 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);
+ setRegMask(MISCREG_WATCHHI0, wh_Mask);
// Perf Ctr - M - FIXME (More than 1 PerfCnt Pair)
- PerfCntCtlReg perfCntCtl = readMiscRegNoEffect(PerfCnt0);
+ PerfCntCtlReg perfCntCtl = readMiscRegNoEffect(MISCREG_PERFCNT0);
perfCntCtl.m = cp.CP0_PerfCtr_M;
perfCntCtl.w = cp.CP0_PerfCtr_W;
- setMiscRegNoEffect(PerfCnt0, perfCntCtl);
+ 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);
+ setRegMask(MISCREG_PERFCNT0, pc_Mask);
// Random
- setMiscRegNoEffect(CP0_Random, 63);
+ 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);
+ setRegMask(MISCREG_CP0_RANDOM, random_Mask);
// PageGrain
- PageGrainReg pageGrain = readMiscRegNoEffect(PageGrain);
+ PageGrainReg pageGrain = readMiscRegNoEffect(MISCREG_PAGEGRAIN);
pageGrain.esp = cp.CP0_Config3_SP;
- setMiscRegNoEffect(PageGrain, pageGrain);
+ 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);
+ setRegMask(MISCREG_PAGEGRAIN, pg_Mask);
// Status
- StatusReg status = 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
@@ -340,91 +347,90 @@ ISA::reset(std::string core_name, ThreadID num_threads,
// Enable BEV bit on a reset
status.bev = 1;
- setMiscRegNoEffect(Status, status);
+ 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);
+ setRegMask(MISCREG_STATUS, stat_Mask);
// MVPConf0
- MVPConf0Reg mvpConf0 = readMiscRegNoEffect(MVPConf0);
+ MVPConf0Reg mvpConf0 = readMiscRegNoEffect(MISCREG_MVP_CONF0);
mvpConf0.tca = 1;
mvpConf0.pvpe = num_vpes - 1;
mvpConf0.ptc = num_threads - 1;
- setMiscRegNoEffect(MVPConf0, mvpConf0);
+ setMiscRegNoEffect(MISCREG_MVP_CONF0, mvpConf0);
// VPEConf0
- VPEConf0Reg vpeConf0 = readMiscRegNoEffect(VPEConf0);
+ VPEConf0Reg vpeConf0 = readMiscRegNoEffect(MISCREG_VPE_CONF0);
vpeConf0.mvp = 1;
- setMiscRegNoEffect(VPEConf0, vpeConf0);
+ setMiscRegNoEffect(MISCREG_VPE_CONF0, vpeConf0);
// TCBind
for (ThreadID tid = 0; tid < num_threads; tid++) {
- TCBindReg tcBind = readMiscRegNoEffect(TCBind, tid);
+ TCBindReg tcBind = readMiscRegNoEffect(MISCREG_TC_BIND, tid);
tcBind.curTC = tid;
- setMiscRegNoEffect(TCBind, tcBind, tid);
+ setMiscRegNoEffect(MISCREG_TC_BIND, tcBind, tid);
}
// TCHalt
- TCHaltReg tcHalt = readMiscRegNoEffect(TCHalt);
+ TCHaltReg tcHalt = readMiscRegNoEffect(MISCREG_TC_HALT);
tcHalt.h = 0;
- setMiscRegNoEffect(TCHalt, tcHalt);
+ setMiscRegNoEffect(MISCREG_TC_HALT, tcHalt);
// TCStatus
// Set TCStatus Activated to 1 for the initial thread that is running
- TCStatusReg tcStatus = readMiscRegNoEffect(TCStatus);
+ TCStatusReg tcStatus = readMiscRegNoEffect(MISCREG_TC_STATUS);
tcStatus.a = 1;
- setMiscRegNoEffect(TCStatus, tcStatus);
+ setMiscRegNoEffect(MISCREG_TC_STATUS, tcStatus);
// Set Dynamically Allocatable bit to 1 for all other threads
for (ThreadID tid = 1; tid < num_threads; tid++) {
- tcStatus = readMiscRegNoEffect(TCStatus, tid);
+ tcStatus = readMiscRegNoEffect(MISCREG_TC_STATUS, tid);
tcStatus.da = 1;
- setMiscRegNoEffect(TCStatus, tcStatus, tid);
+ 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)
{
- TCBindReg tcBind = miscRegFile[TCBind - Ctrl_Base_DepTag][tid];
+ 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",
@@ -437,9 +443,8 @@ ISA::readMiscRegNoEffect(int reg_idx, ThreadID tid)
// 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,
@@ -451,9 +456,8 @@ ISA::readMiscReg(int reg_idx, ThreadContext *tc, ThreadID tid)
}
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,
@@ -465,10 +469,8 @@ ISA::setMiscRegNoEffect(int reg_idx, const MiscReg &val, ThreadID tid)
}
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,
@@ -482,10 +484,9 @@ ISA::setRegMask(int reg_idx, const MiscReg &val, ThreadID tid)
// be overwritten. Make sure to handle those particular registers
// with care!
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);
@@ -546,12 +547,12 @@ ISA::updateCPU()
// EVALUATE CP0 STATE FOR MIPS MT
//
///////////////////////////////////////////////////////////////////
- MVPConf0Reg mvpConf0 = readMiscRegNoEffect(MVPConf0);
+ MVPConf0Reg mvpConf0 = readMiscRegNoEffect(MISCREG_MVP_CONF0);
ThreadID num_threads = mvpConf0.ptc + 1;
for (ThreadID tid = 0; tid < num_threads; tid++) {
- TCStatusReg tcStatus = readMiscRegNoEffect(TCStatus, tid);
- TCHaltReg tcHalt = 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 (tcHalt.h == 1 || tcStatus.a == 0) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-16 09:41:37 +0000