877 lines
26 KiB
C++
877 lines
26 KiB
C++
/*
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* Copyright (c) 2003-2005 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Gabe Black
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* Ali Saidi
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*/
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#include "arch/sparc/asi.hh"
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#include "arch/sparc/miscregfile.hh"
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#include "base/bitfield.hh"
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#include "base/trace.hh"
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#include "config/full_system.hh"
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#include "cpu/base.hh"
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#include "cpu/thread_context.hh"
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using namespace SparcISA;
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using namespace std;
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class Checkpoint;
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//These functions map register indices to names
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string SparcISA::getMiscRegName(RegIndex index)
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{
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static::string miscRegName[NumMiscRegs] =
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{/*"y", "ccr",*/ "asi", "tick", "fprs", "pcr", "pic",
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"gsr", "softint_set", "softint_clr", "softint", "tick_cmpr",
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"stick", "stick_cmpr",
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"tpc", "tnpc", "tstate", "tt", "privtick", "tba", "pstate", "tl",
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"pil", "cwp", /*"cansave", "canrestore", "cleanwin", "otherwin",
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"wstate",*/ "gl",
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"hpstate", "htstate", "hintp", "htba", "hver", "strand_sts_reg",
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"hstick_cmpr",
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"fsr", "prictx", "secctx", "partId", "lsuCtrlReg", "itbTsbC0Ps0",
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"itbTsbC0Ps1", "iTlbC0Cnfg", "itbTsbCXPs0", "itbTsbCXPs1",
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"iTlbCXCnfg","iTlbSfsr", "iTlbTagAcs", "dtbTsbC0Ps0",
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"dtbTsbC0Ps1", "dTlbC0Cnfg", "dtbTsbCXPs0", "dtbTsbCXPs1",
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"dTlbCXCnfg","dTlbSfsr", "dTlbSfar", "dTlbTagAcs",
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"scratch0", "scratch1", "scratch2", "scratch3", "scratch4",
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"scratch5", "scratch6", "scratch7", "cpuMondoHead", "cpuMondoTail",
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"devMondoHead", "devMondoTail", "resErrorHead", "resErrorTail",
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"nresErrorHead", "nresErrorTail", "TlbData" };
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return miscRegName[index];
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}
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enum RegMask
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{
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PSTATE_MASK = (((1 << 4) - 1) << 1) | (((1 << 4) - 1) << 6) | (1 << 12)
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};
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void MiscRegFile::clear()
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{
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//y = 0;
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//ccr = 0;
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asi = 0;
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tick = ULL(1) << 63;
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fprs = 0;
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gsr = 0;
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softint = 0;
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tick_cmpr = 0;
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stick = 0;
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stick_cmpr = 0;
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memset(tpc, 0, sizeof(tpc));
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memset(tnpc, 0, sizeof(tnpc));
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memset(tstate, 0, sizeof(tstate));
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memset(tt, 0, sizeof(tt));
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pstate = 0;
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tl = 0;
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pil = 0;
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cwp = 0;
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//cansave = 0;
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//canrestore = 0;
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//cleanwin = 0;
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//otherwin = 0;
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//wstate = 0;
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gl = 0;
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//In a T1, bit 11 is apparently always 1
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hpstate = (1 << 11);
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memset(htstate, 0, sizeof(htstate));
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hintp = 0;
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htba = 0;
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hstick_cmpr = 0;
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//This is set this way in Legion for some reason
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strandStatusReg = 0x50000;
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fsr = 0;
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priContext = 0;
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secContext = 0;
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partId = 0;
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lsuCtrlReg = 0;
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iTlbC0TsbPs0 = 0;
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iTlbC0TsbPs1 = 0;
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iTlbC0Config = 0;
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iTlbCXTsbPs0 = 0;
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iTlbCXTsbPs1 = 0;
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iTlbCXConfig = 0;
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iTlbSfsr = 0;
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iTlbTagAccess = 0;
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dTlbC0TsbPs0 = 0;
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dTlbC0TsbPs1 = 0;
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dTlbC0Config = 0;
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dTlbCXTsbPs0 = 0;
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dTlbCXTsbPs1 = 0;
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dTlbCXConfig = 0;
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dTlbSfsr = 0;
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dTlbSfar = 0;
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dTlbTagAccess = 0;
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memset(scratchPad, 0, sizeof(scratchPad));
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#if FULL_SYSTEM
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tickCompare = NULL;
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sTickCompare = NULL;
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hSTickCompare = NULL;
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#endif
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}
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MiscReg MiscRegFile::readRegNoEffect(int miscReg)
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{
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switch (miscReg) {
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case MISCREG_TLB_DATA:
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/* Package up all the data for the tlb:
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* 6666555555555544444444443333333333222222222211111111110000000000
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* 3210987654321098765432109876543210987654321098765432109876543210
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* secContext | priContext | |tl|partid| |||||^hpriv
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* ||||^red
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* |||^priv
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* ||^am
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* |^lsuim
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* ^lsudm
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*/
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return bits((uint64_t)hpstate,2,2) |
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bits((uint64_t)hpstate,5,5) << 1 |
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bits((uint64_t)pstate,3,2) << 2 |
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bits((uint64_t)lsuCtrlReg,3,2) << 4 |
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bits((uint64_t)partId,7,0) << 8 |
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bits((uint64_t)tl,2,0) << 16 |
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(uint64_t)priContext << 32 |
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(uint64_t)secContext << 48;
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//case MISCREG_Y:
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// return y;
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//case MISCREG_CCR:
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// return ccr;
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case MISCREG_ASI:
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return asi;
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case MISCREG_FPRS:
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return fprs;
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case MISCREG_TICK:
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return tick;
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case MISCREG_PCR:
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panic("PCR not implemented\n");
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case MISCREG_PIC:
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panic("PIC not implemented\n");
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case MISCREG_GSR:
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return gsr;
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case MISCREG_SOFTINT:
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return softint;
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case MISCREG_TICK_CMPR:
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return tick_cmpr;
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case MISCREG_STICK:
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return stick;
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case MISCREG_STICK_CMPR:
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return stick_cmpr;
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/** Privilged Registers */
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case MISCREG_TPC:
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return tpc[tl-1];
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case MISCREG_TNPC:
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return tnpc[tl-1];
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case MISCREG_TSTATE:
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return tstate[tl-1];
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case MISCREG_TT:
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return tt[tl-1];
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case MISCREG_PRIVTICK:
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panic("Priviliged access to tick registers not implemented\n");
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case MISCREG_TBA:
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return tba;
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case MISCREG_PSTATE:
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return pstate;
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case MISCREG_TL:
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return tl;
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case MISCREG_PIL:
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return pil;
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case MISCREG_CWP:
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return cwp;
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//case MISCREG_CANSAVE:
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// return cansave;
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//case MISCREG_CANRESTORE:
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// return canrestore;
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//case MISCREG_CLEANWIN:
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// return cleanwin;
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//case MISCREG_OTHERWIN:
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// return otherwin;
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//case MISCREG_WSTATE:
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// return wstate;
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case MISCREG_GL:
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return gl;
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/** Hyper privileged registers */
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case MISCREG_HPSTATE:
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return hpstate;
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case MISCREG_HTSTATE:
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return htstate[tl-1];
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case MISCREG_HINTP:
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return hintp;
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case MISCREG_HTBA:
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return htba;
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case MISCREG_STRAND_STS_REG:
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return strandStatusReg;
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case MISCREG_HSTICK_CMPR:
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return hstick_cmpr;
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/** Floating Point Status Register */
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case MISCREG_FSR:
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DPRINTF(Sparc, "FSR read as: %#x\n", fsr);
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return fsr;
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case MISCREG_MMU_P_CONTEXT:
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return priContext;
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case MISCREG_MMU_S_CONTEXT:
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return secContext;
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case MISCREG_MMU_PART_ID:
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return partId;
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case MISCREG_MMU_LSU_CTRL:
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return lsuCtrlReg;
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case MISCREG_MMU_ITLB_C0_TSB_PS0:
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return iTlbC0TsbPs0;
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case MISCREG_MMU_ITLB_C0_TSB_PS1:
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return iTlbC0TsbPs1;
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case MISCREG_MMU_ITLB_C0_CONFIG:
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return iTlbC0Config;
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case MISCREG_MMU_ITLB_CX_TSB_PS0:
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return iTlbCXTsbPs0;
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case MISCREG_MMU_ITLB_CX_TSB_PS1:
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return iTlbCXTsbPs1;
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case MISCREG_MMU_ITLB_CX_CONFIG:
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return iTlbCXConfig;
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case MISCREG_MMU_ITLB_SFSR:
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return iTlbSfsr;
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case MISCREG_MMU_ITLB_TAG_ACCESS:
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return iTlbTagAccess;
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case MISCREG_MMU_DTLB_C0_TSB_PS0:
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return dTlbC0TsbPs0;
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case MISCREG_MMU_DTLB_C0_TSB_PS1:
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return dTlbC0TsbPs1;
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case MISCREG_MMU_DTLB_C0_CONFIG:
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return dTlbC0Config;
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case MISCREG_MMU_DTLB_CX_TSB_PS0:
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return dTlbCXTsbPs0;
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case MISCREG_MMU_DTLB_CX_TSB_PS1:
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return dTlbCXTsbPs1;
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case MISCREG_MMU_DTLB_CX_CONFIG:
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return dTlbCXConfig;
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case MISCREG_MMU_DTLB_SFSR:
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return dTlbSfsr;
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case MISCREG_MMU_DTLB_SFAR:
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return dTlbSfar;
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case MISCREG_MMU_DTLB_TAG_ACCESS:
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return dTlbTagAccess;
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case MISCREG_SCRATCHPAD_R0:
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return scratchPad[0];
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case MISCREG_SCRATCHPAD_R1:
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return scratchPad[1];
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case MISCREG_SCRATCHPAD_R2:
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return scratchPad[2];
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case MISCREG_SCRATCHPAD_R3:
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return scratchPad[3];
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case MISCREG_SCRATCHPAD_R4:
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return scratchPad[4];
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case MISCREG_SCRATCHPAD_R5:
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return scratchPad[5];
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case MISCREG_SCRATCHPAD_R6:
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return scratchPad[6];
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case MISCREG_SCRATCHPAD_R7:
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return scratchPad[7];
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case MISCREG_QUEUE_CPU_MONDO_HEAD:
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return cpu_mondo_head;
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case MISCREG_QUEUE_CPU_MONDO_TAIL:
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return cpu_mondo_tail;
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case MISCREG_QUEUE_DEV_MONDO_HEAD:
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return dev_mondo_head;
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case MISCREG_QUEUE_DEV_MONDO_TAIL:
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return dev_mondo_tail;
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case MISCREG_QUEUE_RES_ERROR_HEAD:
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return res_error_head;
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case MISCREG_QUEUE_RES_ERROR_TAIL:
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return res_error_tail;
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case MISCREG_QUEUE_NRES_ERROR_HEAD:
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return nres_error_head;
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case MISCREG_QUEUE_NRES_ERROR_TAIL:
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return nres_error_tail;
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default:
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panic("Miscellaneous register %d not implemented\n", miscReg);
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}
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}
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MiscReg MiscRegFile::readReg(int miscReg, ThreadContext * tc)
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{
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switch (miscReg) {
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// tick and stick are aliased to each other in niagra
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// well store the tick data in stick and the interrupt bit in tick
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case MISCREG_STICK:
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case MISCREG_TICK:
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case MISCREG_PRIVTICK:
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// I'm not sure why legion ignores the lowest two bits, but we'll go
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// with it
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// change from curCycle() to instCount() until we're done with legion
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DPRINTF(Timer, "Instruction Count when TICK read: %#X stick=%#X\n",
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tc->getCpuPtr()->instCount(), stick);
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return mbits(tc->getCpuPtr()->instCount() + (int64_t)stick,62,2) |
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mbits(tick,63,63);
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case MISCREG_FPRS:
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// in legion if fp is enabled du and dl are set
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return fprs | 0x3;
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case MISCREG_PCR:
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case MISCREG_PIC:
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panic("Performance Instrumentation not impl\n");
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case MISCREG_SOFTINT_CLR:
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case MISCREG_SOFTINT_SET:
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panic("Can read from softint clr/set\n");
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case MISCREG_SOFTINT:
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case MISCREG_TICK_CMPR:
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case MISCREG_STICK_CMPR:
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case MISCREG_HINTP:
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case MISCREG_HTSTATE:
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case MISCREG_HTBA:
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case MISCREG_HVER:
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case MISCREG_STRAND_STS_REG:
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case MISCREG_HSTICK_CMPR:
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case MISCREG_QUEUE_CPU_MONDO_HEAD:
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case MISCREG_QUEUE_CPU_MONDO_TAIL:
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case MISCREG_QUEUE_DEV_MONDO_HEAD:
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case MISCREG_QUEUE_DEV_MONDO_TAIL:
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case MISCREG_QUEUE_RES_ERROR_HEAD:
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case MISCREG_QUEUE_RES_ERROR_TAIL:
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case MISCREG_QUEUE_NRES_ERROR_HEAD:
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case MISCREG_QUEUE_NRES_ERROR_TAIL:
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#if FULL_SYSTEM
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case MISCREG_HPSTATE:
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return readFSReg(miscReg, tc);
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#else
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case MISCREG_HPSTATE:
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//HPSTATE is special because because sometimes in privilege checks for instructions
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//it will read HPSTATE to make sure the priv. level is ok
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//So, we'll just have to tell it it isn't, instead of panicing.
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return 0;
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panic("Accessing Fullsystem register %s in SE mode\n",getMiscRegName(miscReg));
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#endif
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}
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return readRegNoEffect(miscReg);
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}
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void MiscRegFile::setRegNoEffect(int miscReg, const MiscReg &val)
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{
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switch (miscReg) {
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// case MISCREG_Y:
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// y = val;
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// break;
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// case MISCREG_CCR:
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// ccr = val;
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// break;
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case MISCREG_ASI:
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asi = val;
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break;
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case MISCREG_FPRS:
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fprs = val;
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break;
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case MISCREG_TICK:
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tick = val;
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break;
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case MISCREG_PCR:
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panic("PCR not implemented\n");
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case MISCREG_PIC:
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panic("PIC not implemented\n");
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case MISCREG_GSR:
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gsr = val;
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break;
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case MISCREG_SOFTINT:
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softint = val;
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break;
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case MISCREG_TICK_CMPR:
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tick_cmpr = val;
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break;
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case MISCREG_STICK:
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stick = val;
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break;
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case MISCREG_STICK_CMPR:
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stick_cmpr = val;
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break;
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/** Privilged Registers */
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case MISCREG_TPC:
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tpc[tl-1] = val;
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break;
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case MISCREG_TNPC:
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tnpc[tl-1] = val;
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break;
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case MISCREG_TSTATE:
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tstate[tl-1] = val;
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break;
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case MISCREG_TT:
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tt[tl-1] = val;
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break;
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case MISCREG_PRIVTICK:
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panic("Priviliged access to tick regesiters not implemented\n");
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case MISCREG_TBA:
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// clear lower 7 bits on writes.
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tba = val & ULL(~0x7FFF);
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break;
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case MISCREG_PSTATE:
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pstate = (val & PSTATE_MASK);
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break;
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case MISCREG_TL:
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tl = val;
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break;
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case MISCREG_PIL:
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pil = val;
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break;
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case MISCREG_CWP:
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cwp = val;
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break;
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// case MISCREG_CANSAVE:
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// cansave = val;
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// break;
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// case MISCREG_CANRESTORE:
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// canrestore = val;
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// break;
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// case MISCREG_CLEANWIN:
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// cleanwin = val;
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// break;
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// case MISCREG_OTHERWIN:
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// otherwin = val;
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// break;
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// case MISCREG_WSTATE:
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// wstate = val;
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// break;
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case MISCREG_GL:
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gl = val;
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break;
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/** Hyper privileged registers */
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case MISCREG_HPSTATE:
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hpstate = val;
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break;
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case MISCREG_HTSTATE:
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htstate[tl-1] = val;
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|
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;
|
|
DPRINTF(Sparc, "FSR written with: %#x\n", fsr);
|
|
break;
|
|
|
|
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_MMU_ITLB_C0_TSB_PS0:
|
|
iTlbC0TsbPs0 = val;
|
|
break;
|
|
case MISCREG_MMU_ITLB_C0_TSB_PS1:
|
|
iTlbC0TsbPs1 = val;
|
|
break;
|
|
case MISCREG_MMU_ITLB_C0_CONFIG:
|
|
iTlbC0Config = val;
|
|
break;
|
|
case MISCREG_MMU_ITLB_CX_TSB_PS0:
|
|
iTlbCXTsbPs0 = val;
|
|
break;
|
|
case MISCREG_MMU_ITLB_CX_TSB_PS1:
|
|
iTlbCXTsbPs1 = val;
|
|
break;
|
|
case MISCREG_MMU_ITLB_CX_CONFIG:
|
|
iTlbCXConfig = val;
|
|
break;
|
|
case MISCREG_MMU_ITLB_SFSR:
|
|
iTlbSfsr = val;
|
|
break;
|
|
case MISCREG_MMU_ITLB_TAG_ACCESS:
|
|
iTlbTagAccess = val;
|
|
break;
|
|
|
|
case MISCREG_MMU_DTLB_C0_TSB_PS0:
|
|
dTlbC0TsbPs0 = val;
|
|
break;
|
|
case MISCREG_MMU_DTLB_C0_TSB_PS1:
|
|
dTlbC0TsbPs1 = val;
|
|
break;
|
|
case MISCREG_MMU_DTLB_C0_CONFIG:
|
|
dTlbC0Config = val;
|
|
break;
|
|
case MISCREG_MMU_DTLB_CX_TSB_PS0:
|
|
dTlbCXTsbPs0 = val;
|
|
break;
|
|
case MISCREG_MMU_DTLB_CX_TSB_PS1:
|
|
dTlbCXTsbPs1 = val;
|
|
break;
|
|
case MISCREG_MMU_DTLB_CX_CONFIG:
|
|
dTlbCXConfig = val;
|
|
break;
|
|
case MISCREG_MMU_DTLB_SFSR:
|
|
dTlbSfsr = val;
|
|
break;
|
|
case MISCREG_MMU_DTLB_SFAR:
|
|
dTlbSfar = val;
|
|
break;
|
|
case MISCREG_MMU_DTLB_TAG_ACCESS:
|
|
dTlbTagAccess = 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::setReg(int miscReg,
|
|
const MiscReg &val, ThreadContext * tc)
|
|
{
|
|
MiscReg new_val = val;
|
|
|
|
switch (miscReg) {
|
|
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
|
|
if (hpstate & HPSTATE::tlz && tl == 0 && !(hpstate & HPSTATE::hpriv))
|
|
tc->getCpuPtr()->post_interrupt(IT_TRAP_LEVEL_ZERO,0);
|
|
else
|
|
tc->getCpuPtr()->clear_interrupt(IT_TRAP_LEVEL_ZERO,0);
|
|
#endif
|
|
return;
|
|
case MISCREG_CWP:
|
|
new_val = val >= NWindows ? NWindows - 1 : val;
|
|
if (val >= NWindows)
|
|
new_val = NWindows - 1;
|
|
|
|
tc->changeRegFileContext(CONTEXT_CWP, new_val);
|
|
break;
|
|
case MISCREG_GL:
|
|
tc->changeRegFileContext(CONTEXT_GLOBALS, val);
|
|
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_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
|
|
}
|
|
setRegNoEffect(miscReg, new_val);
|
|
}
|
|
|
|
void MiscRegFile::serialize(std::ostream & os)
|
|
{
|
|
SERIALIZE_SCALAR(asi);
|
|
SERIALIZE_SCALAR(tick);
|
|
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_SCALAR(hintp);
|
|
SERIALIZE_SCALAR(htba);
|
|
SERIALIZE_SCALAR(hstick_cmpr);
|
|
SERIALIZE_SCALAR(strandStatusReg);
|
|
SERIALIZE_SCALAR(fsr);
|
|
SERIALIZE_SCALAR(priContext);
|
|
SERIALIZE_SCALAR(secContext);
|
|
SERIALIZE_SCALAR(partId);
|
|
SERIALIZE_SCALAR(lsuCtrlReg);
|
|
SERIALIZE_SCALAR(iTlbC0TsbPs0);
|
|
SERIALIZE_SCALAR(iTlbC0TsbPs1);
|
|
SERIALIZE_SCALAR(iTlbC0Config);
|
|
SERIALIZE_SCALAR(iTlbCXTsbPs0);
|
|
SERIALIZE_SCALAR(iTlbCXTsbPs1);
|
|
SERIALIZE_SCALAR(iTlbCXConfig);
|
|
SERIALIZE_SCALAR(iTlbSfsr);
|
|
SERIALIZE_SCALAR(iTlbTagAccess);
|
|
SERIALIZE_SCALAR(dTlbC0TsbPs0);
|
|
SERIALIZE_SCALAR(dTlbC0TsbPs1);
|
|
SERIALIZE_SCALAR(dTlbC0Config);
|
|
SERIALIZE_SCALAR(dTlbCXTsbPs0);
|
|
SERIALIZE_SCALAR(dTlbCXTsbPs1);
|
|
SERIALIZE_SCALAR(dTlbCXConfig);
|
|
SERIALIZE_SCALAR(dTlbSfsr);
|
|
SERIALIZE_SCALAR(dTlbSfar);
|
|
SERIALIZE_SCALAR(dTlbTagAccess);
|
|
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)
|
|
{
|
|
UNSERIALIZE_SCALAR(asi);
|
|
UNSERIALIZE_SCALAR(tick);
|
|
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_SCALAR(hintp);
|
|
UNSERIALIZE_SCALAR(htba);
|
|
UNSERIALIZE_SCALAR(hstick_cmpr);
|
|
UNSERIALIZE_SCALAR(strandStatusReg);
|
|
UNSERIALIZE_SCALAR(fsr);
|
|
UNSERIALIZE_SCALAR(priContext);
|
|
UNSERIALIZE_SCALAR(secContext);
|
|
UNSERIALIZE_SCALAR(partId);
|
|
UNSERIALIZE_SCALAR(lsuCtrlReg);
|
|
UNSERIALIZE_SCALAR(iTlbC0TsbPs0);
|
|
UNSERIALIZE_SCALAR(iTlbC0TsbPs1);
|
|
UNSERIALIZE_SCALAR(iTlbC0Config);
|
|
UNSERIALIZE_SCALAR(iTlbCXTsbPs0);
|
|
UNSERIALIZE_SCALAR(iTlbCXTsbPs1);
|
|
UNSERIALIZE_SCALAR(iTlbCXConfig);
|
|
UNSERIALIZE_SCALAR(iTlbSfsr);
|
|
UNSERIALIZE_SCALAR(iTlbTagAccess);
|
|
UNSERIALIZE_SCALAR(dTlbC0TsbPs0);
|
|
UNSERIALIZE_SCALAR(dTlbC0TsbPs1);
|
|
UNSERIALIZE_SCALAR(dTlbC0Config);
|
|
UNSERIALIZE_SCALAR(dTlbCXTsbPs0);
|
|
UNSERIALIZE_SCALAR(dTlbCXTsbPs1);
|
|
UNSERIALIZE_SCALAR(dTlbCXConfig);
|
|
UNSERIALIZE_SCALAR(dTlbSfsr);
|
|
UNSERIALIZE_SCALAR(dTlbSfar);
|
|
UNSERIALIZE_SCALAR(dTlbTagAccess);
|
|
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
|
|
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);
|
|
|
|
if (tick_cmp) {
|
|
tickCompare = new TickCompareEvent(this, tc);
|
|
tickCompare->schedule(tick_cmp);
|
|
}
|
|
if (stick_cmp) {
|
|
sTickCompare = new STickCompareEvent(this, tc);
|
|
sTickCompare->schedule(stick_cmp);
|
|
}
|
|
if (hstick_cmp) {
|
|
hSTickCompare = new HSTickCompareEvent(this, tc);
|
|
hSTickCompare->schedule(hstick_cmp);
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif
|
|
}
|