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// -*- mode:c++ -*-
// Copyright (c) 2010-2013 ARM Limited
// All rights reserved
//
// The license below extends only to copyright in the software and shall
// 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
// unmodified and in its entirety in all distributions of the software,
// modified or unmodified, in source code or in binary form.
//
// Redistribution and use in source and binary forms, with or without
// 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
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Authors: Gabe Black
let {{
vfpEnabledCheckCode = '''
uint32_t issEnCheck;
bool trapEnCheck;
uint32_t seq;
if (!vfpNeonEnabled(seq,Hcptr, Nsacr, Cpacr, Cpsr, issEnCheck,
trapEnCheck, xc->tcBase(), Fpexc))
{return disabledFault();}
if (trapEnCheck) {
CPSR cpsrEnCheck = Cpsr;
if (cpsrEnCheck.mode == MODE_HYP) {
return new UndefinedInstruction(machInst, issEnCheck,
EC_TRAPPED_HCPTR, mnemonic);
} else {
if (!inSecureState(Scr, Cpsr)) {
return new HypervisorTrap(machInst, issEnCheck,
EC_TRAPPED_HCPTR);
}
}
}
'''
vfp64EnabledCheckCode = '''
CPSR cpsrEnCheck = Cpsr;
ExceptionLevel el = (ExceptionLevel) (uint8_t) cpsrEnCheck.el;
if (!vfpNeon64Enabled(Cpacr64, el))
return new SupervisorTrap(machInst, 0x1E00000,
EC_TRAPPED_SIMD_FP);
if (ArmSystem::haveVirtualization(xc->tcBase()) && el <= EL2) {
HCPTR cptrEnCheck = xc->tcBase()->readMiscReg(MISCREG_CPTR_EL2);
if (cptrEnCheck.tfp)
return new HypervisorTrap(machInst, 0x1E00000,
EC_TRAPPED_SIMD_FP);
}
if (ArmSystem::haveSecurity(xc->tcBase())) {
HCPTR cptrEnCheck = xc->tcBase()->readMiscReg(MISCREG_CPTR_EL3);
if (cptrEnCheck.tfp)
return new SecureMonitorTrap(machInst, 0x1E00000,
EC_TRAPPED_SIMD_FP);
}
'''
vmsrEnabledCheckCode = '''
uint32_t issEnCheck;
bool trapEnCheck;
uint32_t seq;
if (!vfpNeonEnabled(seq,Hcptr, Nsacr, Cpacr, Cpsr, issEnCheck,
trapEnCheck, xc->tcBase()))
if (dest != (int)MISCREG_FPEXC && dest != (int)MISCREG_FPSID)
{return disabledFault();}
if (!inPrivilegedMode(Cpsr))
if (dest != (int)MISCREG_FPSCR)
return disabledFault();
if (trapEnCheck) {
CPSR cpsrEnCheck = Cpsr;
if (cpsrEnCheck.mode == MODE_HYP) {
return new UndefinedInstruction(machInst, issEnCheck,
EC_TRAPPED_HCPTR, mnemonic);
} else {
if (!inSecureState(Scr, Cpsr)) {
return new HypervisorTrap(machInst, issEnCheck,
EC_TRAPPED_HCPTR);
}
}
}
'''
vmrsEnabledCheckCode = '''
uint32_t issEnCheck;
bool trapEnCheck;
uint32_t seq;
if (!vfpNeonEnabled(seq,Hcptr, Nsacr, Cpacr, Cpsr, issEnCheck,
trapEnCheck, xc->tcBase()))
if (op1 != (int)MISCREG_FPEXC && op1 != (int)MISCREG_FPSID &&
op1 != (int)MISCREG_MVFR0 && op1 != (int)MISCREG_MVFR1)
{return disabledFault();}
if (!inPrivilegedMode(Cpsr))
if (op1 != (int)MISCREG_FPSCR)
return disabledFault();
if (trapEnCheck) {
CPSR cpsrEnCheck = Cpsr;
if (cpsrEnCheck.mode == MODE_HYP) {
return new UndefinedInstruction(machInst, issEnCheck,
EC_TRAPPED_HCPTR, mnemonic);
} else {
if (!inSecureState(Scr, Cpsr)) {
return new HypervisorTrap(machInst, issEnCheck,
EC_TRAPPED_HCPTR);
}
}
}
'''
vmrsApsrEnabledCheckCode = '''
uint32_t issEnCheck;
bool trapEnCheck;
uint32_t seq;
if (!vfpNeonEnabled(seq,Hcptr, Nsacr, Cpacr, Cpsr, issEnCheck,
trapEnCheck, xc->tcBase()))
{return disabledFault();}
if (trapEnCheck) {
CPSR cpsrEnCheck = Cpsr;
if (cpsrEnCheck.mode == MODE_HYP) {
return new UndefinedInstruction(machInst, issEnCheck,
EC_TRAPPED_HCPTR, mnemonic);
} else {
if (!inSecureState(Scr, Cpsr)) {
return new HypervisorTrap(machInst, issEnCheck,
EC_TRAPPED_HCPTR);
}
}
}
'''
}};
def template FpRegRegOpDeclare {{
class %(class_name)s : public %(base_class)s
{
public:
// Constructor
%(class_name)s(ExtMachInst machInst,
IntRegIndex _dest, IntRegIndex _op1,
VfpMicroMode mode = VfpNotAMicroop);
%(BasicExecDeclare)s
};
}};
def template FpRegRegOpConstructor {{
%(class_name)s::%(class_name)s(ExtMachInst machInst,
IntRegIndex _dest, IntRegIndex _op1,
VfpMicroMode mode)
: %(base_class)s("%(mnemonic)s", machInst, %(op_class)s,
_dest, _op1, mode)
{
%(constructor)s;
if (!(condCode == COND_AL || condCode == COND_UC)) {
for (int x = 0; x < _numDestRegs; x++) {
_srcRegIdx[_numSrcRegs++] = _destRegIdx[x];
}
}
}
}};
def template FpRegImmOpDeclare {{
class %(class_name)s : public %(base_class)s
{
public:
// Constructor
%(class_name)s(ExtMachInst machInst, IntRegIndex _dest,
uint64_t _imm, VfpMicroMode mode = VfpNotAMicroop);
%(BasicExecDeclare)s
};
}};
def template FpRegImmOpConstructor {{
%(class_name)s::%(class_name)s(ExtMachInst machInst,
IntRegIndex _dest, uint64_t _imm, VfpMicroMode mode)
: %(base_class)s("%(mnemonic)s", machInst, %(op_class)s,
_dest, _imm, mode)
{
%(constructor)s;
if (!(condCode == COND_AL || condCode == COND_UC)) {
for (int x = 0; x < _numDestRegs; x++) {
_srcRegIdx[_numSrcRegs++] = _destRegIdx[x];
}
}
}
}};
def template FpRegRegImmOpDeclare {{
class %(class_name)s : public %(base_class)s
{
public:
// Constructor
%(class_name)s(ExtMachInst machInst,
IntRegIndex _dest, IntRegIndex _op1,
uint64_t _imm, VfpMicroMode mode = VfpNotAMicroop);
%(BasicExecDeclare)s
};
}};
def template FpRegRegImmOpConstructor {{
%(class_name)s::%(class_name)s(ExtMachInst machInst,
IntRegIndex _dest,
IntRegIndex _op1,
uint64_t _imm,
VfpMicroMode mode)
: %(base_class)s("%(mnemonic)s", machInst, %(op_class)s,
_dest, _op1, _imm, mode)
{
%(constructor)s;
if (!(condCode == COND_AL || condCode == COND_UC)) {
for (int x = 0; x < _numDestRegs; x++) {
_srcRegIdx[_numSrcRegs++] = _destRegIdx[x];
}
}
}
}};
def template FpRegRegRegOpDeclare {{
class %(class_name)s : public %(base_class)s
{
public:
// Constructor
%(class_name)s(ExtMachInst machInst,
IntRegIndex _dest, IntRegIndex _op1, IntRegIndex _op2,
VfpMicroMode mode = VfpNotAMicroop);
%(BasicExecDeclare)s
};
}};
def template FpRegRegRegOpConstructor {{
%(class_name)s::%(class_name)s(ExtMachInst machInst,
IntRegIndex _dest,
IntRegIndex _op1,
IntRegIndex _op2,
VfpMicroMode mode)
: %(base_class)s("%(mnemonic)s", machInst, %(op_class)s,
_dest, _op1, _op2, mode)
{
%(constructor)s;
if (!(condCode == COND_AL || condCode == COND_UC)) {
for (int x = 0; x < _numDestRegs; x++) {
_srcRegIdx[_numSrcRegs++] = _destRegIdx[x];
}
}
}
}};
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