src/arch/arm/tlbi_op.cc

/*
 * Copyright (c) 2018-2019 ARM Limited
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 *
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 * not be construed as granting a license to any other intellectual
 * property including but not limited to intellectual property relating
 * to a hardware implementation of the functionality of the software
 * licensed hereunder.  You may use the software subject to the license
 * terms below provided that you ensure that this notice is replicated
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 *
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 * modification, are permitted provided that the following conditions are
 * met: redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer;
 * redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution;
 * neither the name of the copyright holders nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 */

#include "arch/arm/tlbi_op.hh"

#include "arch/arm/tlb.hh"
#include "cpu/checker/cpu.hh"

namespace ArmISA {

void
TLBIALL::operator()(ThreadContext* tc)
{
    HCR hcr = tc->readMiscReg(MISCREG_HCR_EL2);
    bool in_host = (hcr.tge == 1 && hcr.e2h == 1);
    getITBPtr(tc)->flushAllSecurity(secureLookup, targetEL, in_host);
    getDTBPtr(tc)->flushAllSecurity(secureLookup, targetEL, in_host);

    // If CheckerCPU is connected, need to notify it of a flush
    CheckerCPU *checker = tc->getCheckerCpuPtr();
    if (checker) {
        getITBPtr(checker)->flushAllSecurity(secureLookup,
                                               targetEL, in_host);
        getDTBPtr(checker)->flushAllSecurity(secureLookup,
                                               targetEL, in_host);
    }
}

void
ITLBIALL::operator()(ThreadContext* tc)
{
    getITBPtr(tc)->flushAllSecurity(secureLookup, targetEL);
}

void
DTLBIALL::operator()(ThreadContext* tc)
{
    getDTBPtr(tc)->flushAllSecurity(secureLookup, targetEL);
}

void
TLBIASID::operator()(ThreadContext* tc)
{
    HCR hcr = tc->readMiscReg(MISCREG_HCR_EL2);
    bool in_host = (hcr.tge == 1 && hcr.e2h == 1);
    getITBPtr(tc)->flushAsid(asid, secureLookup, targetEL, in_host);
    getDTBPtr(tc)->flushAsid(asid, secureLookup, targetEL, in_host);
    CheckerCPU *checker = tc->getCheckerCpuPtr();
    if (checker) {
        getITBPtr(checker)->flushAsid(asid, secureLookup, targetEL, in_host);
        getDTBPtr(checker)->flushAsid(asid, secureLookup, targetEL, in_host);
    }
}

void
ITLBIASID::operator()(ThreadContext* tc)
{
    getITBPtr(tc)->flushAsid(asid, secureLookup, targetEL);
}

void
DTLBIASID::operator()(ThreadContext* tc)
{
    getDTBPtr(tc)->flushAsid(asid, secureLookup, targetEL);
}

void
TLBIALLN::operator()(ThreadContext* tc)
{
    getITBPtr(tc)->flushAllNs(targetEL);
    getDTBPtr(tc)->flushAllNs(targetEL);

    CheckerCPU *checker = tc->getCheckerCpuPtr();
    if (checker) {
        getITBPtr(checker)->flushAllNs(targetEL);
        getDTBPtr(checker)->flushAllNs(targetEL);
    }
}

void
TLBIMVAA::operator()(ThreadContext* tc)
{
    HCR hcr = tc->readMiscReg(MISCREG_HCR_EL2);
    bool in_host = (hcr.tge == 1 && hcr.e2h == 1);
    getITBPtr(tc)->flushMva(addr, secureLookup, targetEL, in_host);
    getDTBPtr(tc)->flushMva(addr, secureLookup, targetEL, in_host);

    CheckerCPU *checker = tc->getCheckerCpuPtr();
    if (checker) {
        getITBPtr(checker)->flushMva(addr, secureLookup, targetEL, in_host);
        getDTBPtr(checker)->flushMva(addr, secureLookup, targetEL, in_host);
    }
}

void
TLBIMVA::operator()(ThreadContext* tc)
{
    HCR hcr = tc->readMiscReg(MISCREG_HCR_EL2);
    bool in_host = (hcr.tge == 1 && hcr.e2h == 1);
    getITBPtr(tc)->flushMvaAsid(addr, asid,
                                  secureLookup, targetEL, in_host);
    getDTBPtr(tc)->flushMvaAsid(addr, asid,
                                  secureLookup, targetEL, in_host);

    CheckerCPU *checker = tc->getCheckerCpuPtr();
    if (checker) {
        getITBPtr(checker)->flushMvaAsid(
            addr, asid, secureLookup, targetEL, in_host);
        getDTBPtr(checker)->flushMvaAsid(
            addr, asid, secureLookup, targetEL, in_host);
    }
}

void
ITLBIMVA::operator()(ThreadContext* tc)
{
    getITBPtr(tc)->flushMvaAsid(
        addr, asid, secureLookup, targetEL);
}

void
DTLBIMVA::operator()(ThreadContext* tc)
{
    getDTBPtr(tc)->flushMvaAsid(
        addr, asid, secureLookup, targetEL);
}

void
TLBIIPA::operator()(ThreadContext* tc)
{
    getITBPtr(tc)->flushIpaVmid(addr,
        secureLookup, targetEL);
    getDTBPtr(tc)->flushIpaVmid(addr,
        secureLookup, targetEL);

    CheckerCPU *checker = tc->getCheckerCpuPtr();
    if (checker) {
        getITBPtr(checker)->flushIpaVmid(addr,
            secureLookup, targetEL);
        getDTBPtr(checker)->flushIpaVmid(addr,
            secureLookup, targetEL);
    }
}

} // namespace ArmISA