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-rw-r--r--src/arch/arm/isa/insts/misc.isa36
1 files changed, 23 insertions, 13 deletions
diff --git a/src/arch/arm/isa/insts/misc.isa b/src/arch/arm/isa/insts/misc.isa
index 77c22e6ca..6d6e56b8f 100644
--- a/src/arch/arm/isa/insts/misc.isa
+++ b/src/arch/arm/isa/insts/misc.isa
@@ -1,6 +1,6 @@
// -*- mode:c++ -*-
-// Copyright (c) 2010-2013 ARM Limited
+// Copyright (c) 2010-2013,2017 ARM Limited
// All rights reserved
//
// The license below extends only to copyright in the software and shall
@@ -814,7 +814,9 @@ let {{
mrc14code = '''
MiscRegIndex miscReg = (MiscRegIndex) xc->tcBase()->flattenMiscIndex(op1);
- if (!canReadCoprocReg(miscReg, Scr, Cpsr, xc->tcBase())) {
+ bool can_read, undefined;
+ std::tie(can_read, undefined) = canReadCoprocReg(miscReg, Scr, Cpsr);
+ if (!can_read || undefined) {
return std::make_shared<UndefinedInstruction>(machInst, false,
mnemonic);
}
@@ -836,7 +838,9 @@ let {{
mcr14code = '''
MiscRegIndex miscReg = (MiscRegIndex) xc->tcBase()->flattenMiscIndex(dest);
- if (!canWriteCoprocReg(miscReg, Scr, Cpsr, xc->tcBase())) {
+ bool can_write, undefined;
+ std::tie(can_write, undefined) = canWriteCoprocReg(miscReg, Scr, Cpsr);
+ if (undefined || !can_write) {
return std::make_shared<UndefinedInstruction>(machInst, false,
mnemonic);
}
@@ -861,12 +865,13 @@ let {{
xc->tcBase()->flattenMiscIndex(preFlatOp1);
bool hypTrap = mcrMrc15TrapToHyp(miscReg, Hcr, Cpsr, Scr, Hdcr, Hstr,
Hcptr, imm);
- bool canRead = canReadCoprocReg(miscReg, Scr, Cpsr, xc->tcBase());
-
+ bool can_read, undefined;
+ std::tie(can_read, undefined) = canReadCoprocReg(miscReg, Scr, Cpsr);
// if we're in non secure PL1 mode then we can trap regargless of whether
// the register is accessable, in other modes we trap if only if the register
// IS accessable.
- if (!canRead && !(hypTrap && !inUserMode(Cpsr) && !inSecureState(Scr, Cpsr))) {
+ if (undefined || (!can_read && !(hypTrap && !inUserMode(Cpsr) &&
+ !inSecureState(Scr, Cpsr)))) {
return std::make_shared<UndefinedInstruction>(machInst, false,
mnemonic);
}
@@ -891,12 +896,14 @@ let {{
xc->tcBase()->flattenMiscIndex(preFlatDest);
bool hypTrap = mcrMrc15TrapToHyp(miscReg, Hcr, Cpsr, Scr, Hdcr, Hstr,
Hcptr, imm);
- bool canWrite = canWriteCoprocReg(miscReg, Scr, Cpsr, xc->tcBase());
+ bool can_write, undefined;
+ std::tie(can_write, undefined) = canWriteCoprocReg(miscReg, Scr, Cpsr);
// if we're in non secure PL1 mode then we can trap regargless of whether
// the register is accessable, in other modes we trap if only if the register
// IS accessable.
- if (!canWrite & !(hypTrap & !inUserMode(Cpsr) & !inSecureState(Scr, Cpsr))) {
+ if (undefined || (!can_write && !(hypTrap && !inUserMode(Cpsr) &&
+ !inSecureState(Scr, Cpsr)))) {
return std::make_shared<UndefinedInstruction>(machInst, false,
mnemonic);
}
@@ -920,12 +927,13 @@ let {{
MiscRegIndex miscReg = (MiscRegIndex)
xc->tcBase()->flattenMiscIndex(preFlatOp1);
bool hypTrap = mcrrMrrc15TrapToHyp(miscReg, Cpsr, Scr, Hstr, Hcr, imm);
- bool canRead = canReadCoprocReg(miscReg, Scr, Cpsr, xc->tcBase());
-
+ bool can_read, undefined;
+ std::tie(can_read, undefined) = canReadCoprocReg(miscReg, Scr, Cpsr);
// if we're in non secure PL1 mode then we can trap regargless of whether
// the register is accessable, in other modes we trap if only if the register
// IS accessable.
- if (!canRead && !(hypTrap && !inUserMode(Cpsr) && !inSecureState(Scr, Cpsr))) {
+ if (undefined || (!can_read && !(hypTrap && !inUserMode(Cpsr) &&
+ !inSecureState(Scr, Cpsr)))) {
return std::make_shared<UndefinedInstruction>(machInst, false,
mnemonic);
}
@@ -949,12 +957,14 @@ let {{
MiscRegIndex miscReg = (MiscRegIndex)
xc->tcBase()->flattenMiscIndex(preFlatDest);
bool hypTrap = mcrrMrrc15TrapToHyp(miscReg, Cpsr, Scr, Hstr, Hcr, imm);
- bool canWrite = canWriteCoprocReg(miscReg, Scr, Cpsr, xc->tcBase());
+ bool can_write, undefined;
+ std::tie(can_write, undefined) = canWriteCoprocReg(miscReg, Scr, Cpsr);
// if we're in non secure PL1 mode then we can trap regargless of whether
// the register is accessable, in other modes we trap if only if the register
// IS accessable.
- if (!canWrite & !(hypTrap & !inUserMode(Cpsr) & !inSecureState(Scr, Cpsr))) {
+ if (undefined || (!can_write && !(hypTrap && !inUserMode(Cpsr) &&
+ !inSecureState(Scr, Cpsr)))) {
return std::make_shared<UndefinedInstruction>(machInst, false,
mnemonic);
}