gem5/src/arch/arm/miscregs.hh

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/*
* Copyright (c) 2009 The Regents of The University of Michigan
* All rights reserved.
*
* 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
*/
#ifndef __ARCH_ARM_MISCREGS_HH__
#define __ARCH_ARM_MISCREGS_HH__
#include "base/bitunion.hh"
namespace ArmISA
{
enum ConditionCode {
COND_EQ = 0,
COND_NE, // 1
COND_CS, // 2
COND_CC, // 3
COND_MI, // 4
COND_PL, // 5
COND_VS, // 6
COND_VC, // 7
COND_HI, // 8
COND_LS, // 9
COND_GE, // 10
COND_LT, // 11
COND_GT, // 12
COND_LE, // 13
COND_AL, // 14
COND_NV // 15
};
enum MiscRegIndex {
MISCREG_CPSR = 0,
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MISCREG_SPSR,
MISCREG_SPSR_FIQ,
MISCREG_SPSR_IRQ,
MISCREG_SPSR_SVC,
MISCREG_SPSR_MON,
MISCREG_SPSR_UND,
MISCREG_SPSR_ABT,
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MISCREG_FPSR,
MISCREG_FPSID,
MISCREG_FPSCR,
MISCREG_FPEXC,
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NUM_MISCREGS
};
const char * const miscRegName[NUM_MISCREGS] = {
"cpsr",
"spsr", "spsr_fiq", "spsr_irq", "spsr_svc", "spsr_und", "spsr_abt",
"fpsr"
};
BitUnion32(CPSR)
Bitfield<31> n;
Bitfield<30> z;
Bitfield<29> c;
Bitfield<28> v;
Bitfield<27> q;
Bitfield<24> j;
Bitfield<19, 16> ge;
Bitfield<9> e;
Bitfield<8> a;
Bitfield<7> i;
Bitfield<6> f;
Bitfield<5> t;
Bitfield<4, 0> mode;
EndBitUnion(CPSR)
};
#endif // __ARCH_ARM_MISCREGS_HH__