diff options
Diffstat (limited to 'src/arch/arm')
| -rw-r--r-- | src/arch/arm/isa.cc | 7 | ||||
| -rw-r--r-- | src/arch/arm/miscregs.hh | 3 | ||||
| -rw-r--r-- | src/arch/arm/utility.cc | 24 |
3 files changed, 7 insertions, 27 deletions
diff --git a/src/arch/arm/isa.cc b/src/arch/arm/isa.cc index 99acbb4fd..117873450 100644 --- a/src/arch/arm/isa.cc +++ b/src/arch/arm/isa.cc @@ -654,13 +654,6 @@ ISA::setMiscReg(int misc_reg, const MiscReg &val, ThreadContext *tc) tc->getITBPtr()->invalidateMiscReg(); tc->getDTBPtr()->invalidateMiscReg(); break; - case MISCREG_CPSR_MODE: - // This miscreg is used by copy*Regs to set the CPSR mode - // without updating other CPSR variables. It's used to - // make sure the register map is in such a state that we can - // see all of the registers for the copy. - updateRegMap(val); - return; case MISCREG_L2CTLR: warn("miscreg L2CTLR (%s) written with %#x. ignored...\n", miscRegName[misc_reg], uint32_t(val)); diff --git a/src/arch/arm/miscregs.hh b/src/arch/arm/miscregs.hh index 2dceab70c..02c03a7fc 100644 --- a/src/arch/arm/miscregs.hh +++ b/src/arch/arm/miscregs.hh @@ -209,7 +209,6 @@ namespace ArmISA MISCREG_ID_ISAR3, MISCREG_ID_ISAR4, MISCREG_ID_ISAR5, - MISCREG_CPSR_MODE, MISCREG_LOCKFLAG, MISCREG_LOCKADDR, MISCREG_ID_PFR1, @@ -311,7 +310,7 @@ namespace ArmISA "pmceid1", "pmc_other", "pmxevcntr", "pmuserenr", "pmintenset", "pmintenclr", "id_isar0", "id_isar1", "id_isar2", "id_isar3", "id_isar4", "id_isar5", - "cpsr_mode", "lockflag", "lockaddr", "id_pfr1", + "lockflag", "lockaddr", "id_pfr1", "l2ctlr", // Unimplemented below "tcmtr", diff --git a/src/arch/arm/utility.cc b/src/arch/arm/utility.cc index 71ad21e1e..776c1ae82 100644 --- a/src/arch/arm/utility.cc +++ b/src/arch/arm/utility.cc @@ -1,5 +1,5 @@ /* - * Copyright (c) 2009-2010 ARM Limited + * Copyright (c) 2009-2012 ARM Limited * All rights reserved. * * The license below extends only to copyright in the software and shall @@ -127,25 +127,13 @@ skipFunction(ThreadContext *tc) void copyRegs(ThreadContext *src, ThreadContext *dest) { - int i; + for (int i = 0; i < TheISA::NumIntRegs; i++) + dest->setIntRegFlat(i, src->readIntRegFlat(i)); - int saved_mode = ((CPSR)src->readMiscReg(MISCREG_CPSR)).mode; + for (int i = 0; i < TheISA::NumFloatRegs; i++) + dest->setFloatRegFlat(i, src->readFloatRegFlat(i)); - // Make sure we're in user mode, so we can easily see all the registers - // in the copy loop - src->setMiscReg(MISCREG_CPSR_MODE, MODE_USER); - dest->setMiscReg(MISCREG_CPSR_MODE, MODE_USER); - - for(i = 0; i < TheISA::NumIntRegs; i++) - dest->setIntReg(i, src->readIntReg(i)); - - // Restore us back to the old mode - src->setMiscReg(MISCREG_CPSR_MODE, saved_mode); - dest->setMiscReg(MISCREG_CPSR_MODE, saved_mode); - - for(i = 0; i < TheISA::NumFloatRegs; i++) - dest->setFloatReg(i, src->readFloatReg(i)); - for(i = 0; i < TheISA::NumMiscRegs; i++) + for (int i = 0; i < TheISA::NumMiscRegs; i++) dest->setMiscRegNoEffect(i, src->readMiscRegNoEffect(i)); // setMiscReg "with effect" will set the misc register mapping correctly. |