#include "cpu/base.hh"
#include "cpu/thread_context.hh"
-#if FULL_SYSTEM
-#include "arch/sparc/system.hh"
-#endif
-
using namespace SparcISA;
using namespace std;
string SparcISA::getMiscRegName(RegIndex index)
{
static::string miscRegName[NumMiscRegs] =
- {"y", "ccr", "asi", "tick", "fprs", "pcr", "pic",
+ {/*"y", "ccr",*/ "asi", "tick", "fprs", "pcr", "pic",
"gsr", "softint_set", "softint_clr", "softint", "tick_cmpr",
"stick", "stick_cmpr",
"tpc", "tnpc", "tstate", "tt", "privtick", "tba", "pstate", "tl",
- "pil", "cwp", "cansave", "canrestore", "cleanwin", "otherwin",
- "wstate", "gl",
+ "pil", "cwp", /*"cansave", "canrestore", "cleanwin", "otherwin",
+ "wstate",*/ "gl",
"hpstate", "htstate", "hintp", "htba", "hver", "strand_sts_reg",
"hstick_cmpr",
- "fsr"};
+ "fsr", "prictx", "secctx", "partId", "lsuCtrlReg",
+ "scratch0", "scratch1", "scratch2", "scratch3", "scratch4",
+ "scratch5", "scratch6", "scratch7", "cpuMondoHead", "cpuMondoTail",
+ "devMondoHead", "devMondoTail", "resErrorHead", "resErrorTail",
+ "nresErrorHead", "nresErrorTail", "TlbData" };
+
return miscRegName[index];
}
void MiscRegFile::clear()
{
- y = 0;
- ccr = 0;
+ //y = 0;
+ //ccr = 0;
asi = 0;
- tick = 0;
+ tick = ULL(1) << 63;
fprs = 0;
gsr = 0;
softint = 0;
tl = 0;
pil = 0;
cwp = 0;
- cansave = 0;
- canrestore = 0;
- cleanwin = 0;
- otherwin = 0;
- wstate = 0;
+ //cansave = 0;
+ //canrestore = 0;
+ //cleanwin = 0;
+ //otherwin = 0;
+ //wstate = 0;
gl = 0;
//In a T1, bit 11 is apparently always 1
hpstate = (1 << 11);
//This is set this way in Legion for some reason
strandStatusReg = 0x50000;
fsr = 0;
- implicitInstAsi = ASI_PRIMARY;
- implicitDataAsi = ASI_PRIMARY;
+
+ priContext = 0;
+ secContext = 0;
+ partId = 0;
+ lsuCtrlReg = 0;
+
+ memset(scratchPad, 0, sizeof(scratchPad));
+#if FULL_SYSTEM
+ tickCompare = NULL;
+ sTickCompare = NULL;
+ hSTickCompare = NULL;
+#endif
}
-MiscReg MiscRegFile::readReg(int miscReg)
+MiscReg MiscRegFile::readRegNoEffect(int miscReg)
{
+
+ // The three miscRegs are moved up from the switch statement
+ // due to more frequent calls.
+
+ if (miscReg == MISCREG_GL)
+ return gl;
+ if (miscReg == MISCREG_CWP)
+ return cwp;
+ if (miscReg == MISCREG_TLB_DATA) {
+ /* Package up all the data for the tlb:
+ * 6666555555555544444444443333333333222222222211111111110000000000
+ * 3210987654321098765432109876543210987654321098765432109876543210
+ * secContext | priContext | |tl|partid| |||||^hpriv
+ * ||||^red
+ * |||^priv
+ * ||^am
+ * |^lsuim
+ * ^lsudm
+ */
+ return bits((uint64_t)hpstate,2,2) |
+ bits((uint64_t)hpstate,5,5) << 1 |
+ bits((uint64_t)pstate,3,2) << 2 |
+ bits((uint64_t)lsuCtrlReg,3,2) << 4 |
+ bits((uint64_t)partId,7,0) << 8 |
+ bits((uint64_t)tl,2,0) << 16 |
+ (uint64_t)priContext << 32 |
+ (uint64_t)secContext << 48;
+ }
+
switch (miscReg) {
- case MISCREG_Y:
- return y;
- case MISCREG_CCR:
- return ccr;
- case MISCREG_ASI:
- return asi;
- case MISCREG_FPRS:
- return fprs;
- case MISCREG_TICK:
- return tick;
- case MISCREG_PCR:
- panic("PCR not implemented\n");
- case MISCREG_PIC:
- panic("PIC not implemented\n");
- case MISCREG_GSR:
- return gsr;
- case MISCREG_SOFTINT:
- return softint;
- case MISCREG_TICK_CMPR:
- return tick_cmpr;
- case MISCREG_STICK:
- return stick;
- case MISCREG_STICK_CMPR:
- return stick_cmpr;
+ //case MISCREG_TLB_DATA:
+ // [original contents see above]
+ //case MISCREG_Y:
+ // return y;
+ //case MISCREG_CCR:
+ // return ccr;
+ case MISCREG_ASI:
+ return asi;
+ case MISCREG_FPRS:
+ return fprs;
+ case MISCREG_TICK:
+ return tick;
+ case MISCREG_PCR:
+ panic("PCR not implemented\n");
+ case MISCREG_PIC:
+ panic("PIC not implemented\n");
+ case MISCREG_GSR:
+ return gsr;
+ case MISCREG_SOFTINT:
+ return softint;
+ case MISCREG_TICK_CMPR:
+ return tick_cmpr;
+ case MISCREG_STICK:
+ return stick;
+ case MISCREG_STICK_CMPR:
+ return stick_cmpr;
/** Privilged Registers */
- case MISCREG_TPC:
- return tpc[tl-1];
- case MISCREG_TNPC:
- return tnpc[tl-1];
- case MISCREG_TSTATE:
- return tstate[tl-1];
- case MISCREG_TT:
- return tt[tl-1];
- case MISCREG_PRIVTICK:
- panic("Priviliged access to tick registers not implemented\n");
- case MISCREG_TBA:
- return tba;
- case MISCREG_PSTATE:
- return pstate;
- case MISCREG_TL:
- return tl;
- case MISCREG_PIL:
- return pil;
- case MISCREG_CWP:
- return cwp;
- case MISCREG_CANSAVE:
- return cansave;
- case MISCREG_CANRESTORE:
- return canrestore;
- case MISCREG_CLEANWIN:
- return cleanwin;
- case MISCREG_OTHERWIN:
- return otherwin;
- case MISCREG_WSTATE:
- return wstate;
- case MISCREG_GL:
- return gl;
+ case MISCREG_TPC:
+ return tpc[tl-1];
+ case MISCREG_TNPC:
+ return tnpc[tl-1];
+ case MISCREG_TSTATE:
+ return tstate[tl-1];
+ case MISCREG_TT:
+ return tt[tl-1];
+ case MISCREG_PRIVTICK:
+ panic("Priviliged access to tick registers not implemented\n");
+ case MISCREG_TBA:
+ return tba;
+ case MISCREG_PSTATE:
+ return pstate;
+ case MISCREG_TL:
+ return tl;
+ case MISCREG_PIL:
+ return pil;
+ //CWP, GL moved
+ //case MISCREG_CWP:
+ // return cwp;
+ //case MISCREG_CANSAVE:
+ // return cansave;
+ //case MISCREG_CANRESTORE:
+ // return canrestore;
+ //case MISCREG_CLEANWIN:
+ // return cleanwin;
+ //case MISCREG_OTHERWIN:
+ // return otherwin;
+ //case MISCREG_WSTATE:
+ // return wstate;
+ //case MISCREG_GL:
+ // return gl;
/** Hyper privileged registers */
- case MISCREG_HPSTATE:
- return hpstate;
- case MISCREG_HTSTATE:
- return htstate[tl-1];
- case MISCREG_HINTP:
- panic("HINTP not implemented\n");
- case MISCREG_HTBA:
- return htba;
- case MISCREG_HVER:
- return NWindows | MaxTL << 8 | MaxGL << 16;
- case MISCREG_STRAND_STS_REG:
- return strandStatusReg;
- case MISCREG_HSTICK_CMPR:
- return hstick_cmpr;
+ case MISCREG_HPSTATE:
+ return hpstate;
+ case MISCREG_HTSTATE:
+ return htstate[tl-1];
+ case MISCREG_HINTP:
+ return hintp;
+ case MISCREG_HTBA:
+ return htba;
+ case MISCREG_STRAND_STS_REG:
+ return strandStatusReg;
+ case MISCREG_HSTICK_CMPR:
+ return hstick_cmpr;
/** Floating Point Status Register */
- case MISCREG_FSR:
- return fsr;
- default:
- panic("Miscellaneous register %d not implemented\n", miscReg);
+ case MISCREG_FSR:
+ DPRINTF(MiscRegs, "FSR read as: %#x\n", fsr);
+ return fsr;
+
+ case MISCREG_MMU_P_CONTEXT:
+ return priContext;
+ case MISCREG_MMU_S_CONTEXT:
+ return secContext;
+ case MISCREG_MMU_PART_ID:
+ return partId;
+ case MISCREG_MMU_LSU_CTRL:
+ return lsuCtrlReg;
+
+ case MISCREG_SCRATCHPAD_R0:
+ return scratchPad[0];
+ case MISCREG_SCRATCHPAD_R1:
+ return scratchPad[1];
+ case MISCREG_SCRATCHPAD_R2:
+ return scratchPad[2];
+ case MISCREG_SCRATCHPAD_R3:
+ return scratchPad[3];
+ case MISCREG_SCRATCHPAD_R4:
+ return scratchPad[4];
+ case MISCREG_SCRATCHPAD_R5:
+ return scratchPad[5];
+ case MISCREG_SCRATCHPAD_R6:
+ return scratchPad[6];
+ case MISCREG_SCRATCHPAD_R7:
+ return scratchPad[7];
+ case MISCREG_QUEUE_CPU_MONDO_HEAD:
+ return cpu_mondo_head;
+ case MISCREG_QUEUE_CPU_MONDO_TAIL:
+ return cpu_mondo_tail;
+ case MISCREG_QUEUE_DEV_MONDO_HEAD:
+ return dev_mondo_head;
+ case MISCREG_QUEUE_DEV_MONDO_TAIL:
+ return dev_mondo_tail;
+ case MISCREG_QUEUE_RES_ERROR_HEAD:
+ return res_error_head;
+ case MISCREG_QUEUE_RES_ERROR_TAIL:
+ return res_error_tail;
+ case MISCREG_QUEUE_NRES_ERROR_HEAD:
+ return nres_error_head;
+ case MISCREG_QUEUE_NRES_ERROR_TAIL:
+ return nres_error_tail;
+ default:
+ panic("Miscellaneous register %d not implemented\n", miscReg);
}
}
-MiscReg MiscRegFile::readRegWithEffect(int miscReg, ThreadContext * tc)
+MiscReg MiscRegFile::readReg(int miscReg, ThreadContext * tc)
{
switch (miscReg) {
- case MISCREG_TICK:
- case MISCREG_PRIVTICK:
- return tc->getCpuPtr()->curCycle() - (tick & mask(63)) |
- (tick & ~(mask(63))) << 63;
- case MISCREG_FPRS:
- panic("FPU not implemented\n");
- case MISCREG_PCR:
- case MISCREG_PIC:
- panic("Performance Instrumentation not impl\n");
- /** Floating Point Status Register */
- case MISCREG_FSR:
- panic("Floating Point not implemented\n");
-//We'll include this only in FS so we don't need the SparcSystem type around
-//in SE.
+ // tick and stick are aliased to each other in niagra
+ // well store the tick data in stick and the interrupt bit in tick
+ case MISCREG_STICK:
+ case MISCREG_TICK:
+ case MISCREG_PRIVTICK:
+ // I'm not sure why legion ignores the lowest two bits, but we'll go
+ // with it
+ // change from curCycle() to instCount() until we're done with legion
+ DPRINTF(Timer, "Instruction Count when TICK read: %#X stick=%#X\n",
+ tc->getCpuPtr()->instCount(), stick);
+ return mbits(tc->getCpuPtr()->instCount() + (int64_t)stick,62,2) |
+ mbits(tick,63,63);
+ case MISCREG_FPRS:
+ // in legion if fp is enabled du and dl are set
+ return fprs | 0x3;
+ case MISCREG_PCR:
+ case MISCREG_PIC:
+ panic("Performance Instrumentation not impl\n");
+ case MISCREG_SOFTINT_CLR:
+ case MISCREG_SOFTINT_SET:
+ panic("Can read from softint clr/set\n");
+ case MISCREG_SOFTINT:
+ case MISCREG_TICK_CMPR:
+ case MISCREG_STICK_CMPR:
+ case MISCREG_HINTP:
+ case MISCREG_HTSTATE:
+ case MISCREG_HTBA:
+ case MISCREG_HVER:
+ case MISCREG_STRAND_STS_REG:
+ case MISCREG_HSTICK_CMPR:
+ case MISCREG_QUEUE_CPU_MONDO_HEAD:
+ case MISCREG_QUEUE_CPU_MONDO_TAIL:
+ case MISCREG_QUEUE_DEV_MONDO_HEAD:
+ case MISCREG_QUEUE_DEV_MONDO_TAIL:
+ case MISCREG_QUEUE_RES_ERROR_HEAD:
+ case MISCREG_QUEUE_RES_ERROR_TAIL:
+ case MISCREG_QUEUE_NRES_ERROR_HEAD:
+ case MISCREG_QUEUE_NRES_ERROR_TAIL:
#if FULL_SYSTEM
- case MISCREG_STICK:
- SparcSystem *sys;
- sys = dynamic_cast<SparcSystem*>(tc->getSystemPtr());
- assert(sys != NULL);
- return curTick/Clock::Int::ns - sys->sysTick | (stick & ~(mask(63)));
+ case MISCREG_HPSTATE:
+ return readFSReg(miscReg, tc);
+#else
+ case MISCREG_HPSTATE:
+ //HPSTATE is special because because sometimes in privilege
+ //checks for instructions it will read HPSTATE to make sure
+ //the priv. level is ok So, we'll just have to tell it it
+ //isn't, instead of panicing.
+ return 0;
+
+ panic("Accessing Fullsystem register %s in SE mode\n",
+ getMiscRegName(miscReg));
#endif
- case MISCREG_HVER:
- return NWindows | MaxTL << 8 | MaxGL << 16;
+
}
- return readReg(miscReg);
+ return readRegNoEffect(miscReg);
}
-void MiscRegFile::setReg(int miscReg, const MiscReg &val)
+void MiscRegFile::setRegNoEffect(int miscReg, const MiscReg &val)
{
switch (miscReg) {
- case MISCREG_Y:
- y = val;
- break;
- case MISCREG_CCR:
- ccr = val;
- break;
- case MISCREG_ASI:
- asi = val;
- break;
- case MISCREG_FPRS:
- fprs = val;
- break;
- case MISCREG_TICK:
- tick = val;
- break;
- case MISCREG_PCR:
- panic("PCR not implemented\n");
- case MISCREG_PIC:
- panic("PIC not implemented\n");
- case MISCREG_GSR:
- gsr = val;
- break;
- case MISCREG_SOFTINT:
- softint = val;
- break;
- case MISCREG_TICK_CMPR:
- tick_cmpr = val;
- break;
- case MISCREG_STICK:
- stick = val;
- break;
- case MISCREG_STICK_CMPR:
- stick_cmpr = val;
- break;
+// case MISCREG_Y:
+// y = val;
+// break;
+// case MISCREG_CCR:
+// ccr = val;
+// break;
+ case MISCREG_ASI:
+ asi = val;
+ break;
+ case MISCREG_FPRS:
+ fprs = val;
+ break;
+ case MISCREG_TICK:
+ tick = val;
+ break;
+ case MISCREG_PCR:
+ panic("PCR not implemented\n");
+ case MISCREG_PIC:
+ panic("PIC not implemented\n");
+ case MISCREG_GSR:
+ gsr = val;
+ break;
+ case MISCREG_SOFTINT:
+ softint = val;
+ break;
+ case MISCREG_TICK_CMPR:
+ tick_cmpr = val;
+ break;
+ case MISCREG_STICK:
+ stick = val;
+ break;
+ case MISCREG_STICK_CMPR:
+ stick_cmpr = val;
+ break;
/** Privilged Registers */
- case MISCREG_TPC:
- tpc[tl-1] = val;
- break;
- case MISCREG_TNPC:
- tnpc[tl-1] = val;
- break;
- case MISCREG_TSTATE:
- tstate[tl-1] = val;
- break;
- case MISCREG_TT:
- tt[tl-1] = val;
- break;
- case MISCREG_PRIVTICK:
- panic("Priviliged access to tick regesiters not implemented\n");
- case MISCREG_TBA:
- // clear lower 7 bits on writes.
- tba = val & ULL(~0x7FFF);
- break;
- case MISCREG_PSTATE:
- pstate = (val & PSTATE_MASK);
- break;
- case MISCREG_TL:
- tl = val;
- break;
- case MISCREG_PIL:
- pil = val;
- break;
- case MISCREG_CWP:
- cwp = val;
- break;
- case MISCREG_CANSAVE:
- cansave = val;
- break;
- case MISCREG_CANRESTORE:
- canrestore = val;
- break;
- case MISCREG_CLEANWIN:
- cleanwin = val;
- break;
- case MISCREG_OTHERWIN:
- otherwin = val;
- break;
- case MISCREG_WSTATE:
- wstate = val;
- break;
- case MISCREG_GL:
- gl = val;
- break;
+ case MISCREG_TPC:
+ tpc[tl-1] = val;
+ break;
+ case MISCREG_TNPC:
+ tnpc[tl-1] = val;
+ break;
+ case MISCREG_TSTATE:
+ tstate[tl-1] = val;
+ break;
+ case MISCREG_TT:
+ tt[tl-1] = val;
+ break;
+ case MISCREG_PRIVTICK:
+ panic("Priviliged access to tick regesiters not implemented\n");
+ case MISCREG_TBA:
+ // clear lower 7 bits on writes.
+ tba = val & ULL(~0x7FFF);
+ break;
+ case MISCREG_PSTATE:
+ pstate = (val & PSTATE_MASK);
+ break;
+ case MISCREG_TL:
+ tl = val;
+ break;
+ case MISCREG_PIL:
+ pil = val;
+ break;
+ case MISCREG_CWP:
+ cwp = val;
+ break;
+// case MISCREG_CANSAVE:
+// cansave = val;
+// break;
+// case MISCREG_CANRESTORE:
+// canrestore = val;
+// break;
+// case MISCREG_CLEANWIN:
+// cleanwin = val;
+// break;
+// case MISCREG_OTHERWIN:
+// otherwin = val;
+// break;
+// case MISCREG_WSTATE:
+// wstate = val;
+// break;
+ case MISCREG_GL:
+ gl = val;
+ break;
/** Hyper privileged registers */
- case MISCREG_HPSTATE:
- hpstate = val;
- break;
- case MISCREG_HTSTATE:
- htstate[tl-1] = val;
- break;
- case MISCREG_HINTP:
- panic("HINTP not implemented\n");
- case MISCREG_HTBA:
- htba = val;
- break;
- case MISCREG_STRAND_STS_REG:
- strandStatusReg = val;
- break;
- case MISCREG_HSTICK_CMPR:
- hstick_cmpr = val;
- break;
+ case MISCREG_HPSTATE:
+ hpstate = val;
+ break;
+ case MISCREG_HTSTATE:
+ htstate[tl-1] = val;
+ break;
+ case MISCREG_HINTP:
+ hintp = val;
+ case MISCREG_HTBA:
+ htba = val;
+ break;
+ case MISCREG_STRAND_STS_REG:
+ strandStatusReg = val;
+ break;
+ case MISCREG_HSTICK_CMPR:
+ hstick_cmpr = val;
+ break;
/** Floating Point Status Register */
- case MISCREG_FSR:
- fsr = val;
- break;
- default:
- panic("Miscellaneous register %d not implemented\n", miscReg);
- }
-}
+ case MISCREG_FSR:
+ fsr = val;
+ DPRINTF(MiscRegs, "FSR written with: %#x\n", fsr);
+ break;
-inline void MiscRegFile::setImplicitAsis()
-{
- //The spec seems to use trap level to indicate the privilege level of the
- //processor. It's unclear whether the implicit ASIs should directly depend
- //on the trap level, or if they should really be based on the privelege
- //bits
- if(tl == 0)
- {
- implicitInstAsi = implicitDataAsi =
- (pstate & (1 << 9)) ? ASI_PRIMARY_LITTLE : ASI_PRIMARY;
- }
- else if(tl <= MaxPTL)
- {
- implicitInstAsi = ASI_NUCLEUS;
- implicitDataAsi = (pstate & (1 << 9)) ? ASI_NUCLEUS_LITTLE : ASI_NUCLEUS;
- }
- else
- {
- //This is supposed to force physical addresses to match the spec.
- //It might not because of context values and partition values.
- implicitInstAsi = implicitDataAsi = ASI_REAL;
+ case MISCREG_MMU_P_CONTEXT:
+ priContext = val;
+ break;
+ case MISCREG_MMU_S_CONTEXT:
+ secContext = val;
+ break;
+ case MISCREG_MMU_PART_ID:
+ partId = val;
+ break;
+ case MISCREG_MMU_LSU_CTRL:
+ lsuCtrlReg = val;
+ break;
+
+ case MISCREG_SCRATCHPAD_R0:
+ scratchPad[0] = val;
+ break;
+ case MISCREG_SCRATCHPAD_R1:
+ scratchPad[1] = val;
+ break;
+ case MISCREG_SCRATCHPAD_R2:
+ scratchPad[2] = val;
+ break;
+ case MISCREG_SCRATCHPAD_R3:
+ scratchPad[3] = val;
+ break;
+ case MISCREG_SCRATCHPAD_R4:
+ scratchPad[4] = val;
+ break;
+ case MISCREG_SCRATCHPAD_R5:
+ scratchPad[5] = val;
+ break;
+ case MISCREG_SCRATCHPAD_R6:
+ scratchPad[6] = val;
+ break;
+ case MISCREG_SCRATCHPAD_R7:
+ scratchPad[7] = val;
+ break;
+ case MISCREG_QUEUE_CPU_MONDO_HEAD:
+ cpu_mondo_head = val;
+ break;
+ case MISCREG_QUEUE_CPU_MONDO_TAIL:
+ cpu_mondo_tail = val;
+ break;
+ case MISCREG_QUEUE_DEV_MONDO_HEAD:
+ dev_mondo_head = val;
+ break;
+ case MISCREG_QUEUE_DEV_MONDO_TAIL:
+ dev_mondo_tail = val;
+ break;
+ case MISCREG_QUEUE_RES_ERROR_HEAD:
+ res_error_head = val;
+ break;
+ case MISCREG_QUEUE_RES_ERROR_TAIL:
+ res_error_tail = val;
+ break;
+ case MISCREG_QUEUE_NRES_ERROR_HEAD:
+ nres_error_head = val;
+ break;
+ case MISCREG_QUEUE_NRES_ERROR_TAIL:
+ nres_error_tail = val;
+ break;
+ default:
+ panic("Miscellaneous register %d not implemented\n", miscReg);
}
}
-void MiscRegFile::setRegWithEffect(int miscReg,
+void MiscRegFile::setReg(int miscReg,
const MiscReg &val, ThreadContext * tc)
{
- const uint64_t Bit64 = (1ULL << 63);
-#if FULL_SYSTEM
- uint64_t time;
- SparcSystem *sys;
-#endif
+ MiscReg new_val = val;
+
switch (miscReg) {
- case MISCREG_TICK:
- tick = tc->getCpuPtr()->curCycle() - val & ~Bit64;
- tick |= val & Bit64;
- break;
- case MISCREG_FPRS:
- //Configure the fpu based on the fprs
- break;
- case MISCREG_PCR:
- //Set up performance counting based on pcr value
- break;
- case MISCREG_PSTATE:
- pstate = val & PSTATE_MASK;
- setImplicitAsis();
- return;
- case MISCREG_TL:
- tl = val;
- setImplicitAsis();
- return;
- case MISCREG_CWP:
- tc->changeRegFileContext(CONTEXT_CWP, val);
- break;
- case MISCREG_GL:
- tc->changeRegFileContext(CONTEXT_GLOBALS, val);
- break;
- case MISCREG_SOFTINT:
- //We need to inject interrupts, and or notify the interrupt
- //object that it needs to use a different interrupt level.
- //Any newly appropriate interrupts will happen when the cpu gets
- //around to checking for them. This might not be quite what we
- //want.
- break;
- case MISCREG_SOFTINT_CLR:
- //Do whatever this is supposed to do...
- break;
- case MISCREG_SOFTINT_SET:
- //Do whatever this is supposed to do...
- break;
+ case MISCREG_STICK:
+ case MISCREG_TICK:
+ // stick and tick are same thing on niagra
+ // use stick for offset and tick for holding intrrupt bit
+ stick = mbits(val,62,0) - tc->getCpuPtr()->instCount();
+ tick = mbits(val,63,63);
+ DPRINTF(Timer, "Writing TICK=%#X\n", val);
+ break;
+ case MISCREG_FPRS:
+ //Configure the fpu based on the fprs
+ break;
+ case MISCREG_PCR:
+ //Set up performance counting based on pcr value
+ break;
+ case MISCREG_PSTATE:
+ pstate = val & PSTATE_MASK;
+ return;
+ case MISCREG_TL:
+ tl = val;
#if FULL_SYSTEM
- case MISCREG_TICK_CMPR:
- if (tickCompare == NULL)
- tickCompare = new TickCompareEvent(this, tc);
- setReg(miscReg, val);
- if ((tick_cmpr & mask(63)) && tickCompare->scheduled())
- tickCompare->deschedule();
- time = (tick_cmpr & mask(63)) - (tick & mask(63));
- if (!(tick_cmpr & ~mask(63)) && time > 0)
- tickCompare->schedule(time * tc->getCpuPtr()->cycles(1));
- break;
+ if (hpstate & HPSTATE::tlz && tl == 0 && !(hpstate & HPSTATE::hpriv))
+ tc->getCpuPtr()->postInterrupt(IT_TRAP_LEVEL_ZERO, 0);
+ else
+ tc->getCpuPtr()->clearInterrupt(IT_TRAP_LEVEL_ZERO, 0);
#endif
- case MISCREG_PIL:
- //We need to inject interrupts, and or notify the interrupt
- //object that it needs to use a different interrupt level.
- //Any newly appropriate interrupts will happen when the cpu gets
- //around to checking for them. This might not be quite what we
- //want.
- break;
-//We'll include this only in FS so we don't need the SparcSystem type around
-//in SE.
+ return;
+ case MISCREG_CWP:
+ new_val = val >= NWindows ? NWindows - 1 : val;
+ if (val >= NWindows)
+ new_val = NWindows - 1;
+ break;
+ case MISCREG_GL:
+ break;
+ case MISCREG_PIL:
+ case MISCREG_SOFTINT:
+ case MISCREG_SOFTINT_SET:
+ case MISCREG_SOFTINT_CLR:
+ case MISCREG_TICK_CMPR:
+ case MISCREG_STICK_CMPR:
+ case MISCREG_HINTP:
+ case MISCREG_HTSTATE:
+ case MISCREG_HTBA:
+ case MISCREG_HVER:
+ case MISCREG_STRAND_STS_REG:
+ case MISCREG_HSTICK_CMPR:
+ case MISCREG_QUEUE_CPU_MONDO_HEAD:
+ case MISCREG_QUEUE_CPU_MONDO_TAIL:
+ case MISCREG_QUEUE_DEV_MONDO_HEAD:
+ case MISCREG_QUEUE_DEV_MONDO_TAIL:
+ case MISCREG_QUEUE_RES_ERROR_HEAD:
+ case MISCREG_QUEUE_RES_ERROR_TAIL:
+ case MISCREG_QUEUE_NRES_ERROR_HEAD:
+ case MISCREG_QUEUE_NRES_ERROR_TAIL:
#if FULL_SYSTEM
- case MISCREG_STICK:
- sys = dynamic_cast<SparcSystem*>(tc->getSystemPtr());
- assert(sys != NULL);
- sys->sysTick = curTick/Clock::Int::ns - val & ~Bit64;
- stick |= val & Bit64;
- break;
- case MISCREG_STICK_CMPR:
- if (sTickCompare == NULL)
- sTickCompare = new STickCompareEvent(this, tc);
- sys = dynamic_cast<SparcSystem*>(tc->getSystemPtr());
- assert(sys != NULL);
- if ((stick_cmpr & ~mask(63)) && sTickCompare->scheduled())
- sTickCompare->deschedule();
- time = (stick_cmpr & mask(63)) - sys->sysTick;
- if (!(stick_cmpr & ~mask(63)) && time > 0)
- sTickCompare->schedule(time * Clock::Int::ns);
- break;
- case MISCREG_HSTICK_CMPR:
- if (hSTickCompare == NULL)
- hSTickCompare = new HSTickCompareEvent(this, tc);
- sys = dynamic_cast<SparcSystem*>(tc->getSystemPtr());
- assert(sys != NULL);
- if ((hstick_cmpr & ~mask(63)) && hSTickCompare->scheduled())
- hSTickCompare->deschedule();
- int64_t time = (hstick_cmpr & mask(63)) - sys->sysTick;
- if (!(hstick_cmpr & ~mask(63)) && time > 0)
- hSTickCompare->schedule(time * Clock::Int::ns);
- break;
+ case MISCREG_HPSTATE:
+ setFSReg(miscReg, val, tc);
+ return;
+#else
+ case MISCREG_HPSTATE:
+ //HPSTATE is special because normal trap processing saves HPSTATE when
+ //it goes into a trap, and restores it when it returns.
+ return;
+ panic("Accessing Fullsystem register %s to %#x in SE mode\n",
+ getMiscRegName(miscReg), val);
#endif
}
- setReg(miscReg, val);
+ setRegNoEffect(miscReg, new_val);
}
-void MiscRegFile::serialize(std::ostream & os)
+void
+MiscRegFile::serialize(EventManager *em, std::ostream &os)
{
- SERIALIZE_SCALAR(pstate);
- SERIALIZE_SCALAR(tba);
- SERIALIZE_SCALAR(y);
- SERIALIZE_SCALAR(pil);
- SERIALIZE_SCALAR(gl);
- SERIALIZE_SCALAR(cwp);
- SERIALIZE_ARRAY(tt, MaxTL);
- SERIALIZE_SCALAR(ccr);
SERIALIZE_SCALAR(asi);
- SERIALIZE_SCALAR(tl);
- SERIALIZE_ARRAY(tpc, MaxTL);
- SERIALIZE_ARRAY(tnpc, MaxTL);
- SERIALIZE_ARRAY(tstate, MaxTL);
SERIALIZE_SCALAR(tick);
- SERIALIZE_SCALAR(cansave);
- SERIALIZE_SCALAR(canrestore);
- SERIALIZE_SCALAR(otherwin);
- SERIALIZE_SCALAR(cleanwin);
- SERIALIZE_SCALAR(wstate);
- SERIALIZE_SCALAR(fsr);
SERIALIZE_SCALAR(fprs);
+ SERIALIZE_SCALAR(gsr);
+ SERIALIZE_SCALAR(softint);
+ SERIALIZE_SCALAR(tick_cmpr);
+ SERIALIZE_SCALAR(stick);
+ SERIALIZE_SCALAR(stick_cmpr);
+ SERIALIZE_ARRAY(tpc,MaxTL);
+ SERIALIZE_ARRAY(tnpc,MaxTL);
+ SERIALIZE_ARRAY(tstate,MaxTL);
+ SERIALIZE_ARRAY(tt,MaxTL);
+ SERIALIZE_SCALAR(tba);
+ SERIALIZE_SCALAR(pstate);
+ SERIALIZE_SCALAR(tl);
+ SERIALIZE_SCALAR(pil);
+ SERIALIZE_SCALAR(cwp);
+ SERIALIZE_SCALAR(gl);
SERIALIZE_SCALAR(hpstate);
- SERIALIZE_ARRAY(htstate, MaxTL);
+ SERIALIZE_ARRAY(htstate,MaxTL);
+ SERIALIZE_SCALAR(hintp);
SERIALIZE_SCALAR(htba);
SERIALIZE_SCALAR(hstick_cmpr);
- SERIALIZE_SCALAR((int)implicitInstAsi);
- SERIALIZE_SCALAR((int)implicitDataAsi);
+ SERIALIZE_SCALAR(strandStatusReg);
+ SERIALIZE_SCALAR(fsr);
+ SERIALIZE_SCALAR(priContext);
+ SERIALIZE_SCALAR(secContext);
+ SERIALIZE_SCALAR(partId);
+ SERIALIZE_SCALAR(lsuCtrlReg);
+ SERIALIZE_ARRAY(scratchPad,8);
+ SERIALIZE_SCALAR(cpu_mondo_head);
+ SERIALIZE_SCALAR(cpu_mondo_tail);
+ SERIALIZE_SCALAR(dev_mondo_head);
+ SERIALIZE_SCALAR(dev_mondo_tail);
+ SERIALIZE_SCALAR(res_error_head);
+ SERIALIZE_SCALAR(res_error_tail);
+ SERIALIZE_SCALAR(nres_error_head);
+ SERIALIZE_SCALAR(nres_error_tail);
+#if FULL_SYSTEM
+ Tick tick_cmp = 0, stick_cmp = 0, hstick_cmp = 0;
+ ThreadContext *tc = NULL;
+ BaseCPU *cpu = NULL;
+ int tc_num = 0;
+ bool tick_intr_sched = true;
+
+ if (tickCompare)
+ tc = tickCompare->getTC();
+ else if (sTickCompare)
+ tc = sTickCompare->getTC();
+ else if (hSTickCompare)
+ tc = hSTickCompare->getTC();
+ else
+ tick_intr_sched = false;
+
+ SERIALIZE_SCALAR(tick_intr_sched);
+
+ if (tc) {
+ cpu = tc->getCpuPtr();
+ tc_num = cpu->findContext(tc);
+ if (tickCompare && tickCompare->scheduled())
+ tick_cmp = tickCompare->when();
+ if (sTickCompare && sTickCompare->scheduled())
+ stick_cmp = sTickCompare->when();
+ if (hSTickCompare && hSTickCompare->scheduled())
+ hstick_cmp = hSTickCompare->when();
+
+ SERIALIZE_OBJPTR(cpu);
+ SERIALIZE_SCALAR(tc_num);
+ SERIALIZE_SCALAR(tick_cmp);
+ SERIALIZE_SCALAR(stick_cmp);
+ SERIALIZE_SCALAR(hstick_cmp);
+ }
+#endif
}
-void MiscRegFile::unserialize(Checkpoint * cp, const std::string & section)
+void
+MiscRegFile::unserialize(EventManager *em, Checkpoint *cp,
+ const string §ion)
{
- UNSERIALIZE_SCALAR(pstate);
- UNSERIALIZE_SCALAR(tba);
- UNSERIALIZE_SCALAR(y);
- UNSERIALIZE_SCALAR(pil);
- UNSERIALIZE_SCALAR(gl);
- UNSERIALIZE_SCALAR(cwp);
- UNSERIALIZE_ARRAY(tt, MaxTL);
- UNSERIALIZE_SCALAR(ccr);
UNSERIALIZE_SCALAR(asi);
- UNSERIALIZE_SCALAR(tl);
- UNSERIALIZE_ARRAY(tpc, MaxTL);
- UNSERIALIZE_ARRAY(tnpc, MaxTL);
- UNSERIALIZE_ARRAY(tstate, MaxTL);
UNSERIALIZE_SCALAR(tick);
- UNSERIALIZE_SCALAR(cansave);
- UNSERIALIZE_SCALAR(canrestore);
- UNSERIALIZE_SCALAR(otherwin);
- UNSERIALIZE_SCALAR(cleanwin);
- UNSERIALIZE_SCALAR(wstate);
- UNSERIALIZE_SCALAR(fsr);
UNSERIALIZE_SCALAR(fprs);
+ UNSERIALIZE_SCALAR(gsr);
+ UNSERIALIZE_SCALAR(softint);
+ UNSERIALIZE_SCALAR(tick_cmpr);
+ UNSERIALIZE_SCALAR(stick);
+ UNSERIALIZE_SCALAR(stick_cmpr);
+ UNSERIALIZE_ARRAY(tpc,MaxTL);
+ UNSERIALIZE_ARRAY(tnpc,MaxTL);
+ UNSERIALIZE_ARRAY(tstate,MaxTL);
+ UNSERIALIZE_ARRAY(tt,MaxTL);
+ UNSERIALIZE_SCALAR(tba);
+ UNSERIALIZE_SCALAR(pstate);
+ UNSERIALIZE_SCALAR(tl);
+ UNSERIALIZE_SCALAR(pil);
+ UNSERIALIZE_SCALAR(cwp);
+ UNSERIALIZE_SCALAR(gl);
UNSERIALIZE_SCALAR(hpstate);
- UNSERIALIZE_ARRAY(htstate, MaxTL);
+ UNSERIALIZE_ARRAY(htstate,MaxTL);
+ UNSERIALIZE_SCALAR(hintp);
UNSERIALIZE_SCALAR(htba);
UNSERIALIZE_SCALAR(hstick_cmpr);
- int temp;
- UNSERIALIZE_SCALAR(temp);
- implicitInstAsi = (ASI)temp;
- UNSERIALIZE_SCALAR(temp);
- implicitDataAsi = (ASI)temp;
-}
+ UNSERIALIZE_SCALAR(strandStatusReg);
+ UNSERIALIZE_SCALAR(fsr);
+ UNSERIALIZE_SCALAR(priContext);
+ UNSERIALIZE_SCALAR(secContext);
+ UNSERIALIZE_SCALAR(partId);
+ UNSERIALIZE_SCALAR(lsuCtrlReg);
+ UNSERIALIZE_ARRAY(scratchPad,8);
+ UNSERIALIZE_SCALAR(cpu_mondo_head);
+ UNSERIALIZE_SCALAR(cpu_mondo_tail);
+ UNSERIALIZE_SCALAR(dev_mondo_head);
+ UNSERIALIZE_SCALAR(dev_mondo_tail);
+ UNSERIALIZE_SCALAR(res_error_head);
+ UNSERIALIZE_SCALAR(res_error_tail);
+ UNSERIALIZE_SCALAR(nres_error_head);
+ UNSERIALIZE_SCALAR(nres_error_tail);
#if FULL_SYSTEM
-void
-MiscRegFile::processTickCompare(ThreadContext *tc)
-{
- panic("tick compare not implemented\n");
-}
+ Tick tick_cmp = 0, stick_cmp = 0, hstick_cmp = 0;
+ ThreadContext *tc = NULL;
+ BaseCPU *cpu = NULL;
+ int tc_num;
+ bool tick_intr_sched;
+ UNSERIALIZE_SCALAR(tick_intr_sched);
+ if (tick_intr_sched) {
+ UNSERIALIZE_OBJPTR(cpu);
+ if (cpu) {
+ UNSERIALIZE_SCALAR(tc_num);
+ UNSERIALIZE_SCALAR(tick_cmp);
+ UNSERIALIZE_SCALAR(stick_cmp);
+ UNSERIALIZE_SCALAR(hstick_cmp);
+ tc = cpu->getContext(tc_num);
-void
-MiscRegFile::processSTickCompare(ThreadContext *tc)
-{
- panic("tick compare not implemented\n");
-}
+ if (tick_cmp) {
+ tickCompare = new TickCompareEvent(this, tc);
+ em->schedule(tickCompare, tick_cmp);
+ }
+ if (stick_cmp) {
+ sTickCompare = new STickCompareEvent(this, tc);
+ em->schedule(sTickCompare, stick_cmp);
+ }
+ if (hstick_cmp) {
+ hSTickCompare = new HSTickCompareEvent(this, tc);
+ em->schedule(hSTickCompare, hstick_cmp);
+ }
+ }
+ }
-void
-MiscRegFile::processHSTickCompare(ThreadContext *tc)
-{
- panic("tick compare not implemented\n");
+ #endif
}
-#endif
projects / gem5.git / blobdiff