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Diffstat (limited to 'src/arch/sparc/floatregfile.cc')
-rw-r--r--src/arch/sparc/floatregfile.cc197
1 files changed, 0 insertions, 197 deletions
diff --git a/src/arch/sparc/floatregfile.cc b/src/arch/sparc/floatregfile.cc
deleted file mode 100644
index 2d1af2218..000000000
--- a/src/arch/sparc/floatregfile.cc
+++ /dev/null
@@ -1,197 +0,0 @@
-/*
- * Copyright (c) 2003-2005 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
- * Ali Saidi
- */
-
-#include "arch/sparc/floatregfile.hh"
-#include "base/trace.hh"
-#include "sim/byteswap.hh"
-#include "sim/serialize.hh"
-
-#include <string.h>
-
-using namespace SparcISA;
-using namespace std;
-
-class Checkpoint;
-
-void FloatRegFile::clear()
-{
- memset(regSpace, 0, sizeof(regSpace));
-}
-
-FloatReg FloatRegFile::readReg(int floatReg, int width)
-{
- //In each of these cases, we have to copy the value into a temporary
- //variable. This is because we may otherwise try to access an
- //unaligned portion of memory.
- FloatReg result;
- switch(width)
- {
- case SingleWidth:
- uint32_t result32;
- float32_t fresult32;
- memcpy(&result32, regSpace + 4 * floatReg, sizeof(result32));
- result32 = htog(result32);
- memcpy(&fresult32, &result32, sizeof(result32));
- result = fresult32;
- DPRINTF(FloatRegs, "Read FP32 register %d = [%f]0x%x\n",
- floatReg, result, result32);
- break;
- case DoubleWidth:
- uint64_t result64;
- float64_t fresult64;
- memcpy(&result64, regSpace + 4 * floatReg, sizeof(result64));
- result64 = htog(result64);
- memcpy(&fresult64, &result64, sizeof(result64));
- result = fresult64;
- DPRINTF(FloatRegs, "Read FP64 register %d = [%f]0x%x\n",
- floatReg, result, result64);
- break;
- case QuadWidth:
- panic("Quad width FP not implemented.");
- break;
- default:
- panic("Attempted to read a %d bit floating point register!", width);
- }
- return result;
-}
-
-FloatRegBits FloatRegFile::readRegBits(int floatReg, int width)
-{
- //In each of these cases, we have to copy the value into a temporary
- //variable. This is because we may otherwise try to access an
- //unaligned portion of memory.
- FloatRegBits result;
- switch(width)
- {
- case SingleWidth:
- uint32_t result32;
- memcpy(&result32, regSpace + 4 * floatReg, sizeof(result32));
- result = htog(result32);
- DPRINTF(FloatRegs, "Read FP32 bits register %d = 0x%x\n",
- floatReg, result);
- break;
- case DoubleWidth:
- uint64_t result64;
- memcpy(&result64, regSpace + 4 * floatReg, sizeof(result64));
- result = htog(result64);
- DPRINTF(FloatRegs, "Read FP64 bits register %d = 0x%x\n",
- floatReg, result);
- break;
- case QuadWidth:
- panic("Quad width FP not implemented.");
- break;
- default:
- panic("Attempted to read a %d bit floating point register!", width);
- }
- return result;
-}
-
-Fault FloatRegFile::setReg(int floatReg, const FloatReg &val, int width)
-{
- //In each of these cases, we have to copy the value into a temporary
- //variable. This is because we may otherwise try to access an
- //unaligned portion of memory.
-
- uint32_t result32;
- uint64_t result64;
- float32_t fresult32;
- float64_t fresult64;
- switch(width)
- {
- case SingleWidth:
- fresult32 = val;
- memcpy(&result32, &fresult32, sizeof(result32));
- result32 = gtoh(result32);
- memcpy(regSpace + 4 * floatReg, &result32, sizeof(result32));
- DPRINTF(FloatRegs, "Write FP64 register %d = 0x%x\n",
- floatReg, result32);
- break;
- case DoubleWidth:
- fresult64 = val;
- memcpy(&result64, &fresult64, sizeof(result64));
- result64 = gtoh(result64);
- memcpy(regSpace + 4 * floatReg, &result64, sizeof(result64));
- DPRINTF(FloatRegs, "Write FP64 register %d = 0x%x\n",
- floatReg, result64);
- break;
- case QuadWidth:
- panic("Quad width FP not implemented.");
- break;
- default:
- panic("Attempted to read a %d bit floating point register!", width);
- }
- return NoFault;
-}
-
-Fault FloatRegFile::setRegBits(int floatReg, const FloatRegBits &val, int width)
-{
- //In each of these cases, we have to copy the value into a temporary
- //variable. This is because we may otherwise try to access an
- //unaligned portion of memory.
- uint32_t result32;
- uint64_t result64;
- switch(width)
- {
- case SingleWidth:
- result32 = gtoh((uint32_t)val);
- memcpy(regSpace + 4 * floatReg, &result32, sizeof(result32));
- DPRINTF(FloatRegs, "Write FP64 bits register %d = 0x%x\n",
- floatReg, result32);
- break;
- case DoubleWidth:
- result64 = gtoh((uint64_t)val);
- memcpy(regSpace + 4 * floatReg, &result64, sizeof(result64));
- DPRINTF(FloatRegs, "Write FP64 bits register %d = 0x%x\n",
- floatReg, result64);
- break;
- case QuadWidth:
- panic("Quad width FP not implemented.");
- break;
- default:
- panic("Attempted to read a %d bit floating point register!", width);
- }
- return NoFault;
-}
-
-void FloatRegFile::serialize(std::ostream &os)
-{
- uint8_t *float_reg = (uint8_t*)regSpace;
- SERIALIZE_ARRAY(float_reg,
- SingleWidth / 8 * NumFloatRegs);
-}
-
-void FloatRegFile::unserialize(Checkpoint *cp, const std::string &section)
-{
- uint8_t *float_reg = (uint8_t*)regSpace;
- UNSERIALIZE_ARRAY(float_reg,
- SingleWidth / 8 * NumFloatRegs);
-}
-
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