process.hh

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/*
 * Copyright (c) 2007-2008 The Florida State University
 * Copyright (c) 2009 The University of Edinburgh
 * Copyright (c) 2021 IBM Corporation
 * All rights reserved.
 *
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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
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 * neither the name of the copyright holders nor the names of its
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 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#ifndef __POWER_PROCESS_HH__
#define __POWER_PROCESS_HH__
 
#include "sim/process.hh"
 
namespace gem5
{
 
namespace loader
{
class ObjectFile;
} // namespace loader
 
class PowerProcess : public Process
{
  protected:
    void initState() override;
 
  public:
    PowerProcess(const ProcessParams &params, loader::ObjectFile *objFile);
 
    template <typename IntType>
    void argsInit(int pageSize);
};
 
} // namespace gem5
 
enum PowerHWCAPFeature
{
    HWCAP_FEATURE_32 = 1ULL << 31,            // Always set for powerpc64
    HWCAP_FEATURE_64 = 1ULL << 30,            // Always set for powerpc64
    HWCAP_FEATURE_HAS_ALTIVEC = 1ULL << 28,
    HWCAP_FEATURE_HAS_FPU = 1ULL << 27,
    HWCAP_FEATURE_HAS_MMU = 1ULL << 26,
    HWCAP_FEATURE_UNIFIED_CACHE = 1ULL << 24,
    HWCAP_FEATURE_NO_TB = 1ULL << 20,         // 601/403gx have no timebase
    HWCAP_FEATURE_POWER4 = 1ULL << 19,        // POWER4 ISA 2.00
    HWCAP_FEATURE_POWER5 = 1ULL << 18,        // POWER5 ISA 2.02
    HWCAP_FEATURE_POWER5_PLUS = 1ULL << 17,   // POWER5+ ISA 2.03
    HWCAP_FEATURE_CELL_BE = 1ULL << 16,       // CELL Broadband Engine
    HWCAP_FEATURE_BOOKE = 1ULL << 15,         // ISA Category Embedded
    HWCAP_FEATURE_SMT = 1ULL << 14,           // Simultaneous Multi-Threading
    HWCAP_FEATURE_ICACHE_SNOOP = 1ULL << 13,
    HWCAP_FEATURE_ARCH_2_05 = 1ULL << 12,     // ISA 2.05
    HWCAP_FEATURE_PA6T = 1ULL << 11,          // PA Semi 6T Core
    HWCAP_FEATURE_HAS_DFP = 1ULL << 10,       // Decimal FP Unit
    HWCAP_FEATURE_POWER6_EXT = 1ULL << 9,     // P6 + mffgpr/mftgpr
    HWCAP_FEATURE_ARCH_2_06 = 1ULL << 8,      // ISA 2.06
    HWCAP_FEATURE_HAS_VSX = 1ULL << 7,        // P7 Vector Extension
    HWCAP_FEATURE_PSERIES_PERFMON_COMPAT = 1ULL << 6,
    HWCAP_FEATURE_TRUE_LE = 1ULL << 1,
    HWCAP_FEATURE_PPC_LE = 1ULL << 0
};
 
enum PowerHWCAP2Feature
{
    HWCAP2_FEATURE_ARCH_2_07 = 1ULL << 31,    // ISA 2.07
    HWCAP2_FEATURE_HAS_HTM = 1ULL << 30,      // Hardware Transactional Memory
    HWCAP2_FEATURE_HAS_DSCR = 1ULL << 29,     // Data Stream Control Register
    HWCAP2_FEATURE_HAS_EBB = 1ULL << 28,      // Event Base Branching
    HWCAP2_FEATURE_HAS_ISEL = 1ULL << 27,     // Integer Select
    HWCAP2_FEATURE_HAS_TAR = 1ULL << 26,      // Target Address Register
    HWCAP2_FEATURE_HAS_VCRYPTO = 1ULL << 25,  // Vector AES category
    HWCAP2_FEATURE_HTM_NOSC = 1ULL << 24,
    HWCAP2_FEATURE_ARCH_3_00 = 1ULL << 23,    // ISA 3.0
    HWCAP2_FEATURE_HAS_IEEE128 = 1ULL << 22,  // VSX IEEE Binary Float 128-bit
};
 
#endif // __POWER_PROCESS_HH__