sam-t2/sam/cpus/vonk/ss/api/pli/bin/SS_CsrReadWrite.cc

// ========== Copyright Header Begin ==========================================
//
// OpenSPARC T2 Processor File: SS_CsrReadWrite.cc
// Copyright (c) 2006 Sun Microsystems, Inc.  All Rights Reserved.
// DO NOT ALTER OR REMOVE COPYRIGHT NOTICES.
//
// The above named program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public
// License version 2 as published by the Free Software Foundation.
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// The above named program is distributed in the hope that it will be
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// General Public License for more details.
//
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// License along with this work; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
//
// ========== Copyright Header End ============================================
/************************************************************************
**
**  Copyright (C) 2006, Sun Microsystems, Inc.
**
**  Sun considers its source code as an unpublished, proprietary
**  trade secret and it is available only under strict license provisions.
**  This copyright notice is placed here only to protect Sun in the event
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**  is prohibited by the license agreement under which this code is
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*************************************************************************/
//
// @-ARCH-@_CsrReadWrite.cc is automatically generated from
// ss/api/pli/bin/Bl_CsrReadWrite.cc, do not modify @-ARCH-@_CsrReadWrite.cc
// make necessary changes in ss/api/pli/bin/Bl_CsrReadWrite.cc instead.
//

// handle csr_read/write issued by (TLR) testbench, to force csr values
// (in non-cacheable memory space) explicitly.
//

#include "@-ARCH-@_CsrReadWrite.h"

using namespace std;

//======================================================================
// CSR_WRITE: write into real register, the value will stick
//======================================================================
void @-ARCH-@_CsrReadWrite::pliWriteCsrReg(@-ARCH-@_Csr* csr, uint64_t pa, uint64_t value, bool littleEndian, int sid)
{
  int access = MemoryTransaction::WRITE | MemoryTransaction::INTERNAL;
  if (littleEndian)
    access |= MemoryTransaction::LITTLE_ENDIAN;

  csr->write64(pa, value, access, sid);
}

//======================================================================
// CSR_READ: provide a follow-me value, the value is "use-once-and-discard"
//======================================================================
void @-ARCH-@_CsrReadWrite::pliReadCsrReg(@-ARCH-@_Csr* csr, uint64_t pa, uint64_t value, bool littleEndian, int sid)
{
  int access = MemoryTransaction::WRITE | MemoryTransaction::INTERNAL | MemoryTransaction::FOLLOW_ME;
  if (littleEndian)
    access |= MemoryTransaction::LITTLE_ENDIAN;

  csr->write64(pa, value, access, sid);
}