summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/SConscript1
-rw-r--r--src/arch/alpha/miscregfile.cc20
-rwxr-xr-xsrc/arch/isa_parser.py25
-rw-r--r--src/arch/mips/isa/formats/fp.isa6
-rw-r--r--src/base/compression/base.hh71
-rw-r--r--src/base/compression/lzss_compression.hh4
-rw-r--r--src/base/compression/null_compression.hh28
-rw-r--r--src/cpu/base_dyn_inst.hh12
-rw-r--r--src/cpu/checker/cpu.hh25
-rw-r--r--src/cpu/exec_context.hh25
-rw-r--r--src/cpu/o3/alpha/dyn_inst.hh35
-rw-r--r--src/cpu/o3/commit_impl.hh7
-rw-r--r--src/cpu/o3/fetch_impl.hh62
-rw-r--r--src/cpu/o3/iew_impl.hh18
-rw-r--r--src/cpu/o3/lsq_unit_impl.hh3
-rwxr-xr-xsrc/cpu/o3/mips/dyn_inst.hh35
-rw-r--r--src/cpu/ozone/cpu.hh99
-rw-r--r--src/cpu/ozone/dyn_inst.hh25
-rw-r--r--src/cpu/ozone/inorder_back_end.hh74
-rw-r--r--src/cpu/simple/base.hh25
-rw-r--r--src/cpu/simple_thread.hh69
-rw-r--r--src/mem/cache/cache.cc66
-rw-r--r--src/mem/cache/cache.hh15
-rw-r--r--src/mem/cache/cache_builder.cc148
-rw-r--r--src/mem/cache/cache_impl.hh70
-rw-r--r--src/mem/cache/miss/blocking_buffer.cc41
-rw-r--r--src/mem/cache/miss/blocking_buffer.hh61
-rw-r--r--src/mem/cache/miss/miss_buffer.cc62
-rw-r--r--src/mem/cache/miss/miss_buffer.hh223
-rw-r--r--src/mem/cache/miss/miss_queue.cc36
-rw-r--r--src/mem/cache/miss/miss_queue.hh30
-rw-r--r--src/mem/cache/prefetch/ghb_prefetcher.cc8
-rw-r--r--src/mem/cache/prefetch/ghb_prefetcher.hh10
-rw-r--r--src/mem/cache/prefetch/stride_prefetcher.cc8
-rw-r--r--src/mem/cache/prefetch/stride_prefetcher.hh10
-rw-r--r--src/mem/cache/prefetch/tagged_prefetcher.hh8
-rw-r--r--src/mem/cache/prefetch/tagged_prefetcher_impl.hh10
-rw-r--r--src/python/m5/objects/Repl.py6
-rw-r--r--src/python/m5/params.py11
39 files changed, 739 insertions, 753 deletions
diff --git a/src/SConscript b/src/SConscript
index 429e1bee1..f54e1de0d 100644
--- a/src/SConscript
+++ b/src/SConscript
@@ -108,6 +108,7 @@ base_sources = Split('''
mem/cache/coherence/coherence_protocol.cc
mem/cache/coherence/uni_coherence.cc
mem/cache/miss/blocking_buffer.cc
+ mem/cache/miss/miss_buffer.cc
mem/cache/miss/miss_queue.cc
mem/cache/miss/mshr.cc
mem/cache/miss/mshr_queue.cc
diff --git a/src/arch/alpha/miscregfile.cc b/src/arch/alpha/miscregfile.cc
index 962d4609f..67f6c98e4 100644
--- a/src/arch/alpha/miscregfile.cc
+++ b/src/arch/alpha/miscregfile.cc
@@ -89,12 +89,26 @@ namespace AlphaISA
MiscReg
MiscRegFile::readRegWithEffect(int misc_reg, ThreadContext *tc)
{
+ switch(misc_reg) {
+ case MISCREG_FPCR:
+ return fpcr;
+ case MISCREG_UNIQ:
+ return uniq;
+ case MISCREG_LOCKFLAG:
+ return lock_flag;
+ case MISCREG_LOCKADDR:
+ return lock_addr;
+ case MISCREG_INTR:
+ return intr_flag;
#if FULL_SYSTEM
- return readIpr(misc_reg, tc);
+ default:
+ return readIpr(misc_reg, tc);
#else
- panic("No faulting misc regs in SE mode!");
- return 0;
+ default:
+ panic("No faulting misc regs in SE mode!");
+ return 0;
#endif
+ }
}
void
diff --git a/src/arch/isa_parser.py b/src/arch/isa_parser.py
index 2086473d6..59eb18c9c 100755
--- a/src/arch/isa_parser.py
+++ b/src/arch/isa_parser.py
@@ -1180,15 +1180,16 @@ class IntRegOperand(Operand):
if (self.ctype == 'float' or self.ctype == 'double'):
error(0, 'Attempt to read integer register as FP')
if (self.size == self.dflt_size):
- return '%s = xc->readIntReg(this, %d);\n' % \
+ return '%s = xc->readIntRegOperand(this, %d);\n' % \
(self.base_name, self.src_reg_idx)
elif (self.size > self.dflt_size):
- int_reg_val = 'xc->readIntReg(this, %d)' % (self.src_reg_idx)
+ int_reg_val = 'xc->readIntRegOperand(this, %d)' % \
+ (self.src_reg_idx)
if (self.is_signed):
int_reg_val = 'sext<%d>(%s)' % (self.dflt_size, int_reg_val)
return '%s = %s;\n' % (self.base_name, int_reg_val)
else:
- return '%s = bits(xc->readIntReg(this, %d), %d, 0);\n' % \
+ return '%s = bits(xc->readIntRegOperand(this, %d), %d, 0);\n' % \
(self.base_name, self.src_reg_idx, self.size-1)
def makeWrite(self):
@@ -1201,7 +1202,7 @@ class IntRegOperand(Operand):
wb = '''
{
%s final_val = %s;
- xc->setIntReg(this, %d, final_val);\n
+ xc->setIntRegOperand(this, %d, final_val);\n
if (traceData) { traceData->setData(final_val); }
}''' % (self.dflt_ctype, final_val, self.dest_reg_idx)
return wb
@@ -1227,13 +1228,13 @@ class FloatRegOperand(Operand):
bit_select = 0
width = 0;
if (self.ctype == 'float'):
- func = 'readFloatReg'
+ func = 'readFloatRegOperand'
width = 32;
elif (self.ctype == 'double'):
- func = 'readFloatReg'
+ func = 'readFloatRegOperand'
width = 64;
else:
- func = 'readFloatRegBits'
+ func = 'readFloatRegOperandBits'
if (self.ctype == 'uint32_t'):
width = 32;
elif (self.ctype == 'uint64_t'):
@@ -1259,18 +1260,18 @@ class FloatRegOperand(Operand):
width = 0
if (self.ctype == 'float'):
width = 32
- func = 'setFloatReg'
+ func = 'setFloatRegOperand'
elif (self.ctype == 'double'):
width = 64
- func = 'setFloatReg'
+ func = 'setFloatRegOperand'
elif (self.ctype == 'uint32_t'):
- func = 'setFloatRegBits'
+ func = 'setFloatRegOperandBits'
width = 32
elif (self.ctype == 'uint64_t'):
- func = 'setFloatRegBits'
+ func = 'setFloatRegOperandBits'
width = 64
else:
- func = 'setFloatRegBits'
+ func = 'setFloatRegOperandBits'
final_ctype = 'uint%d_t' % self.dflt_size
if (self.size != self.dflt_size and self.is_signed):
final_val = 'sext<%d>(%s)' % (self.size, self.base_name)
diff --git a/src/arch/mips/isa/formats/fp.isa b/src/arch/mips/isa/formats/fp.isa
index cdb892b3f..153f3f949 100644
--- a/src/arch/mips/isa/formats/fp.isa
+++ b/src/arch/mips/isa/formats/fp.isa
@@ -99,7 +99,7 @@ output exec {{
int size = sizeof(src_op) * 8;
for (int i = 0; i < inst->numSrcRegs(); i++) {
- uint64_t src_bits = xc->readFloatRegBits(inst, 0, size);
+ uint64_t src_bits = xc->readFloatRegOperandBits(inst, 0, size);
if (isNan(&src_bits, size) ) {
if (isSnan(&src_bits, size)) {
@@ -113,7 +113,7 @@ output exec {{
mips_nan = src_bits;
}
- xc->setFloatRegBits(inst, 0, mips_nan, size);
+ xc->setFloatRegOperandBits(inst, 0, mips_nan, size);
if (traceData) { traceData->setData(mips_nan); }
return true;
}
@@ -139,7 +139,7 @@ output exec {{
}
//Set value to QNAN
- cpu->setFloatRegBits(inst, 0, mips_nan, size);
+ cpu->setFloatRegOperandBits(inst, 0, mips_nan, size);
//Read FCSR from FloatRegFile
uint32_t fcsr_bits = cpu->tcBase()->readFloatRegBits(FCSR);
diff --git a/src/base/compression/base.hh b/src/base/compression/base.hh
new file mode 100644
index 000000000..8d1f8d6b5
--- /dev/null
+++ b/src/base/compression/base.hh
@@ -0,0 +1,71 @@
+/*
+ * 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: Erik Hallnor
+ * Nathan Binkert
+ */
+
+#ifndef __BASE_COMPRESSION_BASE_HH__
+#define __BASE_COMPRESSION_BASE_HH__
+
+/**
+ * @file
+ * This file defines a base (abstract virtual) compression algorithm object.
+ */
+
+#include <inttypes.h>
+
+/**
+ * Abstract virtual compression algorithm object.
+ */
+class CompressionAlgorithm
+{
+ public:
+ virtual ~CompressionAlgorithm() {}
+
+ /**
+ * Uncompress the data, causes a fatal since no data should be compressed.
+ * @param dest The output buffer.
+ * @param src The compressed data.
+ * @param size The number of bytes in src.
+ *
+ * @retval The size of the uncompressed data.
+ */
+ virtual int uncompress(uint8_t * dest, uint8_t *src, int size) = 0;
+
+ /**
+ * Compress the data, just returns the source data.
+ * @param dest The output buffer.
+ * @param src The data to be compressed.
+ * @param size The number of bytes in src.
+ *
+ * @retval The size of the compressed data.
+ */
+ virtual int compress(uint8_t *dest, uint8_t *src, int size) = 0;
+};
+
+#endif //__BASE_COMPRESSION_BASE_HH__
diff --git a/src/base/compression/lzss_compression.hh b/src/base/compression/lzss_compression.hh
index 35e4dcb3f..a23d07ffd 100644
--- a/src/base/compression/lzss_compression.hh
+++ b/src/base/compression/lzss_compression.hh
@@ -35,12 +35,12 @@
* LZSSCompression declarations.
*/
-#include "sim/host.hh" // for uint8_t
+#include "base/compression/base.hh"
/**
* Simple LZSS compression scheme.
*/
-class LZSSCompression
+class LZSSCompression : public CompressionAlgorithm
{
/**
* Finds the longest substring for the given offset.
diff --git a/src/base/compression/null_compression.hh b/src/base/compression/null_compression.hh
index 5a582d828..ff110807a 100644
--- a/src/base/compression/null_compression.hh
+++ b/src/base/compression/null_compression.hh
@@ -38,41 +38,23 @@
*/
#include "base/misc.hh" // for fatal()
-#include "sim/host.hh"
+#include "base/compression/base.hh"
/**
* A dummy compression class to use when no data compression is desired.
*/
-class NullCompression
+class NullCompression : public CompressionAlgorithm
{
public:
- /**
- * Uncompress the data, causes a fatal since no data should be compressed.
- * @param dest The output buffer.
- * @param src The compressed data.
- * @param size The number of bytes in src.
- *
- * @retval The size of the uncompressed data.
- */
- static int uncompress(uint8_t * dest, uint8_t *src, int size)
+ int uncompress(uint8_t * dest, uint8_t *src, int size)
{
fatal("Can't uncompress data");
}
- /**
- * Compress the data, just returns the source data.
- * @param dest The output buffer.
- * @param src The data to be compressed.
- * @param size The number of bytes in src.
- *
- * @retval The size of the compressed data.
- */
-
- static int compress(uint8_t *dest, uint8_t *src, int size)
+ int compress(uint8_t *dest, uint8_t *src, int size)
{
- memcpy(dest,src,size);
- return size;
+ fatal("Can't compress data");
}
};
diff --git a/src/cpu/base_dyn_inst.hh b/src/cpu/base_dyn_inst.hh
index 4a4555566..9037c96df 100644
--- a/src/cpu/base_dyn_inst.hh
+++ b/src/cpu/base_dyn_inst.hh
@@ -406,14 +406,15 @@ class BaseDynInst : public FastAlloc, public RefCounted
double readDoubleResult() { return instResult.dbl; }
/** Records an integer register being set to a value. */
- void setIntReg(const StaticInst *si, int idx, uint64_t val)
+ void setIntRegOperand(const StaticInst *si, int idx, uint64_t val)
{
if (recordResult)
instResult.integer = val;
}
/** Records an fp register being set to a value. */
- void setFloatReg(const StaticInst *si, int idx, FloatReg val, int width)
+ void setFloatRegOperand(const StaticInst *si, int idx, FloatReg val,
+ int width)
{
if (recordResult) {
if (width == 32)
@@ -426,21 +427,22 @@ class BaseDynInst : public FastAlloc, public RefCounted
}
/** Records an fp register being set to a value. */
- void setFloatReg(const StaticInst *si, int idx, FloatReg val)
+ void setFloatRegOperand(const StaticInst *si, int idx, FloatReg val)
{
if (recordResult)
instResult.dbl = (double)val;
}
/** Records an fp register being set to an integer value. */
- void setFloatRegBits(const StaticInst *si, int idx, uint64_t val, int width)
+ void setFloatRegOperandBits(const StaticInst *si, int idx, uint64_t val,
+ int width)
{
if (recordResult)
instResult.integer = val;
}
/** Records an fp register being set to an integer value. */
- void setFloatRegBits(const StaticInst *si, int idx, uint64_t val)
+ void setFloatRegOperandBits(const StaticInst *si, int idx, uint64_t val)
{
if (recordResult)
instResult.integer = val;
diff --git a/src/cpu/checker/cpu.hh b/src/cpu/checker/cpu.hh
index 9be54529f..3e08193ee 100644
--- a/src/cpu/checker/cpu.hh
+++ b/src/cpu/checker/cpu.hh
@@ -216,42 +216,44 @@ class CheckerCPU : public BaseCPU
// storage (which is pretty hard to imagine they would have reason
// to do).
- uint64_t readIntReg(const StaticInst *si, int idx)
+ uint64_t readIntRegOperand(const StaticInst *si, int idx)
{
return thread->readIntReg(si->srcRegIdx(idx));
}
- FloatReg readFloatReg(const StaticInst *si, int idx, int width)
+ FloatReg readFloatRegOperand(const StaticInst *si, int idx, int width)
{
int reg_idx = si->srcRegIdx(idx) - TheISA::FP_Base_DepTag;
return thread->readFloatReg(reg_idx, width);
}
- FloatReg readFloatReg(const StaticInst *si, int idx)
+ FloatReg readFloatRegOperand(const StaticInst *si, int idx)
{
int reg_idx = si->srcRegIdx(idx) - TheISA::FP_Base_DepTag;
return thread->readFloatReg(reg_idx);
}
- FloatRegBits readFloatRegBits(const StaticInst *si, int idx, int width)
+ FloatRegBits readFloatRegOperandBits(const StaticInst *si, int idx,
+ int width)
{
int reg_idx = si->srcRegIdx(idx) - TheISA::FP_Base_DepTag;
return thread->readFloatRegBits(reg_idx, width);
}
- FloatRegBits readFloatRegBits(const StaticInst *si, int idx)
+ FloatRegBits readFloatRegOperandBits(const StaticInst *si, int idx)
{
int reg_idx = si->srcRegIdx(idx) - TheISA::FP_Base_DepTag;
return thread->readFloatRegBits(reg_idx);
}
- void setIntReg(const StaticInst *si, int idx, uint64_t val)
+ void setIntRegOperand(const StaticInst *si, int idx, uint64_t val)
{
thread->setIntReg(si->destRegIdx(idx), val);
result.integer = val;
}
- void setFloatReg(const StaticInst *si, int idx, FloatReg val, int width)
+ void setFloatRegOperand(const StaticInst *si, int idx, FloatReg val,
+ int width)
{
int reg_idx = si->destRegIdx(idx) - TheISA::FP_Base_DepTag;
thread->setFloatReg(reg_idx, val, width);
@@ -265,22 +267,23 @@ class CheckerCPU : public BaseCPU
};
}
- void setFloatReg(const StaticInst *si, int idx, FloatReg val)
+ void setFloatRegOperand(const StaticInst *si, int idx, FloatReg val)
{
int reg_idx = si->destRegIdx(idx) - TheISA::FP_Base_DepTag;
thread->setFloatReg(reg_idx, val);
result.dbl = (double)val;
}
- void setFloatRegBits(const StaticInst *si, int idx, FloatRegBits val,
- int width)
+ void setFloatRegOperandBits(const StaticInst *si, int idx,
+ FloatRegBits val, int width)
{
int reg_idx = si->destRegIdx(idx) - TheISA::FP_Base_DepTag;
thread->setFloatRegBits(reg_idx, val, width);
result.integer = val;
}
- void setFloatRegBits(const StaticInst *si, int idx, FloatRegBits val)
+ void setFloatRegOperandBits(const StaticInst *si, int idx,
+ FloatRegBits val)
{
int reg_idx = si->destRegIdx(idx) - TheISA::FP_Base_DepTag;
thread->setFloatRegBits(reg_idx, val);
diff --git a/src/cpu/exec_context.hh b/src/cpu/exec_context.hh
index 13f70fa79..edccd747f 100644
--- a/src/cpu/exec_context.hh
+++ b/src/cpu/exec_context.hh
@@ -48,39 +48,42 @@ class ExecContext {
// to do).
/** Reads an integer register. */
- uint64_t readIntReg(const StaticInst *si, int idx);
+ uint64_t readIntRegOperand(const StaticInst *si, int idx);
/** Reads a floating point register of a specific width. */
- FloatReg readFloatReg(const StaticInst *si, int idx, int width);
+ FloatReg readFloatRegOperand(const StaticInst *si, int idx, int width);
/** Reads a floating point register of single register width. */
- FloatReg readFloatReg(const StaticInst *si, int idx);
+ FloatReg readFloatRegOperand(const StaticInst *si, int idx);
/** Reads a floating point register of a specific width in its
* binary format, instead of by value. */
- FloatRegBits readFloatRegBits(const StaticInst *si, int idx, int width);
+ FloatRegBits readFloatRegOperandBits(const StaticInst *si, int idx,
+ int width);
/** Reads a floating point register in its binary format, instead
* of by value. */
- FloatRegBits readFloatRegBits(const StaticInst *si, int idx);
+ FloatRegBits readFloatRegOperandBits(const StaticInst *si, int idx);
/** Sets an integer register to a value. */
- void setIntReg(const StaticInst *si, int idx, uint64_t val);
+ void setIntRegOperand(const StaticInst *si, int idx, uint64_t val);
/** Sets a floating point register of a specific width to a value. */
- void setFloatReg(const StaticInst *si, int idx, FloatReg val, int width);
+ void setFloatRegOperand(const StaticInst *si, int idx, FloatReg val,
+ int width);
/** Sets a floating point register of single width to a value. */
- void setFloatReg(const StaticInst *si, int idx, FloatReg val);
+ void setFloatRegOperand(const StaticInst *si, int idx, FloatReg val);
/** Sets the bits of a floating point register of a specific width
* to a binary value. */
- void setFloatRegBits(const StaticInst *si, int idx,
- FloatRegBits val, int width);
+ void setFloatRegOperandBits(const StaticInst *si, int idx,
+ FloatRegBits val, int width);
/** Sets the bits of a floating point register of single width
* to a binary value. */
- void setFloatRegBits(const StaticInst *si, int idx, FloatRegBits val);
+ void setFloatRegOperandBits(const StaticInst *si, int idx,
+ FloatRegBits val);
/** Reads the PC. */
uint64_t readPC();
diff --git a/src/cpu/o3/alpha/dyn_inst.hh b/src/cpu/o3/alpha/dyn_inst.hh
index 31df8ff78..49cc5a201 100644
--- a/src/cpu/o3/alpha/dyn_inst.hh
+++ b/src/cpu/o3/alpha/dyn_inst.hh
@@ -163,27 +163,28 @@ class AlphaDynInst : public BaseDynInst<Impl>
// storage (which is pretty hard to imagine they would have reason
// to do).
- uint64_t readIntReg(const StaticInst *si, int idx)
+ uint64_t readIntRegOperand(const StaticInst *si, int idx)
{
return this->cpu->readIntReg(_srcRegIdx[idx]);
}
- FloatReg readFloatReg(const StaticInst *si, int idx, int width)
+ FloatReg readFloatRegOperand(const StaticInst *si, int idx, int width)
{
return this->cpu->readFloatReg(_srcRegIdx[idx], width);
}
- FloatReg readFloatReg(const StaticInst *si, int idx)
+ FloatReg readFloatRegOperand(const StaticInst *si, int idx)
{
return this->cpu->readFloatReg(_srcRegIdx[idx]);
}
- FloatRegBits readFloatRegBits(const StaticInst *si, int idx, int width)
+ FloatRegBits readFloatRegOperandBits(const StaticInst *si, int idx,
+ int width)
{
return this->cpu->readFloatRegBits(_srcRegIdx[idx], width);
}
- FloatRegBits readFloatRegBits(const StaticInst *si, int idx)
+ FloatRegBits readFloatRegOperandBits(const StaticInst *si, int idx)
{
return this->cpu->readFloatRegBits(_srcRegIdx[idx]);
}
@@ -191,35 +192,37 @@ class AlphaDynInst : public BaseDynInst<Impl>
/** @todo: Make results into arrays so they can handle multiple dest
* registers.
*/
- void setIntReg(const StaticInst *si, int idx, uint64_t val)
+ void setIntRegOperand(const StaticInst *si, int idx, uint64_t val)
{
this->cpu->setIntReg(_destRegIdx[idx], val);
- BaseDynInst<Impl>::setIntReg(si, idx, val);
+ BaseDynInst<Impl>::setIntRegOperand(si, idx, val);
}
- void setFloatReg(const StaticInst *si, int idx, FloatReg val, int width)
+ void setFloatRegOperand(const StaticInst *si, int idx, FloatReg val,
+ int width)
{
this->cpu->setFloatReg(_destRegIdx[idx], val, width);
- BaseDynInst<Impl>::setFloatReg(si, idx, val, width);
+ BaseDynInst<Impl>::setFloatRegOperand(si, idx, val, width);
}
- void setFloatReg(const StaticInst *si, int idx, FloatReg val)
+ void setFloatRegOperand(const StaticInst *si, int idx, FloatReg val)
{
this->cpu->setFloatReg(_destRegIdx[idx], val);
- BaseDynInst<Impl>::setFloatReg(si, idx, val);
+ BaseDynInst<Impl>::setFloatRegOperand(si, idx, val);
}
- void setFloatRegBits(const StaticInst *si, int idx,
- FloatRegBits val, int width)
+ void setFloatRegOperandBits(const StaticInst *si, int idx,
+ FloatRegBits val, int width)
{
this->cpu->setFloatRegBits(_destRegIdx[idx], val, width);
- BaseDynInst<Impl>::setFloatRegBits(si, idx, val);
+ BaseDynInst<Impl>::setFloatRegOperandBits(si, idx, val);
}
- void setFloatRegBits(const StaticInst *si, int idx, FloatRegBits val)
+ void setFloatRegOperandBits(const StaticInst *si, int idx,
+ FloatRegBits val)
{
this->cpu->setFloatRegBits(_destRegIdx[idx], val);
- BaseDynInst<Impl>::setFloatRegBits(si, idx, val);
+ BaseDynInst<Impl>::setFloatRegOperandBits(si, idx, val);
}
/** Returns the physical register index of the i'th destination
diff --git a/src/cpu/o3/commit_impl.hh b/src/cpu/o3/commit_impl.hh
index e72679710..f400d757b 100644
--- a/src/cpu/o3/commit_impl.hh
+++ b/src/cpu/o3/commit_impl.hh
@@ -748,6 +748,7 @@ DefaultCommit<Impl>::commit()
}
} else {
bdelay_done_seq_num = squashed_inst;
+ squash_bdelay_slot = true;
}
#endif
@@ -1196,16 +1197,16 @@ DefaultCommit<Impl>::getInsts()
rename_idx < fromRename->size;
rename_idx++) {
DynInstPtr inst = fromRename->insts[rename_idx];
- int tid = inst->threadNumber;
if (!inst->isSquashed()) {
DPRINTF(Commit, "Inserting PC %#x [sn:%i] [tid:%i] into ",
- "skidBuffer.\n", inst->readPC(), inst->seqNum, tid);
+ "skidBuffer.\n", inst->readPC(), inst->seqNum,
+ inst->threadNumber);
skidBuffer.push(inst);
} else {
DPRINTF(Commit, "Instruction PC %#x [sn:%i] [tid:%i] was "
"squashed, skipping.\n",
- inst->readPC(), inst->seqNum, tid);
+ inst->readPC(), inst->seqNum, inst->threadNumber);
}
}
}
diff --git a/src/cpu/o3/fetch_impl.hh b/src/cpu/o3/fetch_impl.hh
index 63d22b293..622259495 100644
--- a/src/cpu/o3/fetch_impl.hh
+++ b/src/cpu/o3/fetch_impl.hh
@@ -151,36 +151,6 @@ DefaultFetch<Impl>::DefaultFetch(Params *params)
" RoundRobin,LSQcount,IQcount}\n");
}
- // Size of cache block.
- cacheBlkSize = 64;
-
- // Create mask to get rid of offset bits.
- cacheBlkMask = (cacheBlkSize - 1);
-
- for (int tid=0; tid < numThreads; tid++) {
-
- fetchStatus[tid] = Running;
-
- priorityList.push_back(tid);
-
- memReq[tid] = NULL;
-
- // Create space to store a cache line.
- cacheData[tid] = new uint8_t[cacheBlkSize];
- cacheDataPC[tid] = 0;
- cacheDataValid[tid] = false;
-
- delaySlotInfo[tid].branchSeqNum = -1;
- delaySlotInfo[tid].numInsts = 0;
- delaySlotInfo[tid].targetAddr = 0;
- delaySlotInfo[tid].targetReady = false;
-
- stalls[tid].decode = false;
- stalls[tid].rename = false;
- stalls[tid].iew = false;
- stalls[tid].commit = false;
- }
-
// Get the size of an instruction.
instSize = sizeof(TheISA::MachInst);
}
@@ -353,6 +323,36 @@ DefaultFetch<Impl>::initStage()
nextNPC[tid] = cpu->readNextNPC(tid);
#endif
}
+
+ // Size of cache block.
+ cacheBlkSize = icachePort->peerBlockSize();
+
+ // Create mask to get rid of offset bits.
+ cacheBlkMask = (cacheBlkSize - 1);
+
+ for (int tid=0; tid < numThreads; tid++) {
+
+ fetchStatus[tid] = Running;
+
+ priorityList.push_back(tid);
+
+ memReq[tid] = NULL;
+
+ // Create space to store a cache line.
+ cacheData[tid] = new uint8_t[cacheBlkSize];
+ cacheDataPC[tid] = 0;
+ cacheDataValid[tid] = false;
+
+ delaySlotInfo[tid].branchSeqNum = -1;
+ delaySlotInfo[tid].numInsts = 0;
+ delaySlotInfo[tid].targetAddr = 0;
+ delaySlotInfo[tid].targetReady = false;
+
+ stalls[tid].decode = false;
+ stalls[tid].rename = false;
+ stalls[tid].iew = false;
+ stalls[tid].commit = false;
+ }
}
template<class Impl>
@@ -1139,6 +1139,8 @@ DefaultFetch<Impl>::fetch(bool &status_change)
ext_inst = TheISA::makeExtMI(inst, fetch_PC);
#elif THE_ISA == SPARC_ISA
ext_inst = TheISA::makeExtMI(inst, cpu->thread[tid]->getTC());
+#elif THE_ISA == MIPS_ISA
+ ext_inst = TheISA::makeExtMI(inst, cpu->thread[tid]->getTC());
#endif
// Create a new DynInst from the instruction fetched.
diff --git a/src/cpu/o3/iew_impl.hh b/src/cpu/o3/iew_impl.hh
index ba5260fe2..76047b295 100644
--- a/src/cpu/o3/iew_impl.hh
+++ b/src/cpu/o3/iew_impl.hh
@@ -514,6 +514,7 @@ DefaultIEW<Impl>::squashDueToMemOrder(DynInstPtr &inst, unsigned tid)
toCommit->squash[tid] = true;
toCommit->squashedSeqNum[tid] = inst->seqNum;
toCommit->nextPC[tid] = inst->readNextPC();
+ toCommit->branchMispredict[tid] = false;
toCommit->includeSquashInst[tid] = false;
@@ -530,6 +531,7 @@ DefaultIEW<Impl>::squashDueToMemBlocked(DynInstPtr &inst, unsigned tid)
toCommit->squash[tid] = true;
toCommit->squashedSeqNum[tid] = inst->seqNum;
toCommit->nextPC[tid] = inst->readPC();
+ toCommit->branchMispredict[tid] = false;
// Must include the broadcasted SN in the squash.
toCommit->includeSquashInst[tid] = true;
@@ -1291,7 +1293,8 @@ DefaultIEW<Impl>::executeInsts()
} else if (fault != NoFault) {
// If the instruction faulted, then we need to send it along to commit
// without the instruction completing.
- DPRINTF(IEW, "Store has fault! [sn:%lli]\n", inst->seqNum);
+ DPRINTF(IEW, "Store has fault %s! [sn:%lli]\n",
+ fault->name(), inst->seqNum);
// Send this instruction to commit, also make sure iew stage
// realizes there is activity.
@@ -1328,7 +1331,8 @@ DefaultIEW<Impl>::executeInsts()
// instruction first, so the branch resolution order will be correct.
unsigned tid = inst->threadNumber;
- if (!fetchRedirect[tid]) {
+ if (!fetchRedirect[tid] ||
+ toCommit->squashedSeqNum[tid] > inst->seqNum) {
if (inst->mispredicted()) {
fetchRedirect[tid] = true;
@@ -1350,8 +1354,6 @@ DefaultIEW<Impl>::executeInsts()
predictedNotTakenIncorrect++;
}
} else if (ldstQueue.violation(tid)) {
- fetchRedirect[tid] = true;
-
// If there was an ordering violation, then get the
// DynInst that caused the violation. Note that this
// clears the violation signal.
@@ -1362,6 +1364,14 @@ DefaultIEW<Impl>::executeInsts()
"%#x, inst PC: %#x. Addr is: %#x.\n",
violator->readPC(), inst->readPC(), inst->physEffAddr);
+ // Ensure the violating instruction is older than
+ // current squash
+ if (fetchRedirect[tid] &&
+ violator->seqNum >= toCommit->squashedSeqNum[tid])
+ continue;
+
+ fetchRedirect[tid] = true;
+
// Tell the instruction queue that a violation has occured.
instQueue.violation(inst, violator);
diff --git a/src/cpu/o3/lsq_unit_impl.hh b/src/cpu/o3/lsq_unit_impl.hh
index 4facea9f9..3b84d3411 100644
--- a/src/cpu/o3/lsq_unit_impl.hh
+++ b/src/cpu/o3/lsq_unit_impl.hh
@@ -418,7 +418,8 @@ LSQUnit<Impl>::executeLoad(DynInstPtr &inst)
// realizes there is activity.
// Mark it as executed unless it is an uncached load that
// needs to hit the head of commit.
- if (!(inst->req->isUncacheable()) || inst->isAtCommit()) {
+ if (!(inst->req && inst->req->isUncacheable()) ||
+ inst->isAtCommit()) {
inst->setExecuted();
}
iewStage->instToCommit(inst);
diff --git a/src/cpu/o3/mips/dyn_inst.hh b/src/cpu/o3/mips/dyn_inst.hh
index 9e95b2bfb..833371e00 100755
--- a/src/cpu/o3/mips/dyn_inst.hh
+++ b/src/cpu/o3/mips/dyn_inst.hh
@@ -156,27 +156,28 @@ class MipsDynInst : public BaseDynInst<Impl>
// storage (which is pretty hard to imagine they would have reason
// to do).
- uint64_t readIntReg(const StaticInst *si, int idx)
+ uint64_t readIntRegOperand(const StaticInst *si, int idx)
{
return this->cpu->readIntReg(_srcRegIdx[idx]);
}
- FloatReg readFloatReg(const StaticInst *si, int idx, int width)
+ FloatReg readFloatRegOperand(const StaticInst *si, int idx, int width)
{
return this->cpu->readFloatReg(_srcRegIdx[idx], width);
}
- FloatReg readFloatReg(const StaticInst *si, int idx)
+ FloatReg readFloatRegOperand(const StaticInst *si, int idx)
{
return this->cpu->readFloatReg(_srcRegIdx[idx]);
}
- FloatRegBits readFloatRegBits(const StaticInst *si, int idx, int width)
+ FloatRegBits readFloatRegOperandBits(const StaticInst *si, int idx,
+ int width)
{
return this->cpu->readFloatRegBits(_srcRegIdx[idx], width);
}
- FloatRegBits readFloatRegBits(const StaticInst *si, int idx)
+ FloatRegBits readFloatRegOperandBits(const StaticInst *si, int idx)
{
return this->cpu->readFloatRegBits(_srcRegIdx[idx]);
}
@@ -184,35 +185,37 @@ class MipsDynInst : public BaseDynInst<Impl>
/** @todo: Make results into arrays so they can handle multiple dest
* registers.
*/
- void setIntReg(const StaticInst *si, int idx, uint64_t val)
+ void setIntRegOperand(const StaticInst *si, int idx, uint64_t val)
{
this->cpu->setIntReg(_destRegIdx[idx], val);
- BaseDynInst<Impl>::setIntReg(si, idx, val);
+ BaseDynInst<Impl>::setIntRegOperand(si, idx, val);
}
- void setFloatReg(const StaticInst *si, int idx, FloatReg val, int width)
+ void setFloatRegOperand(const StaticInst *si, int idx, FloatReg val,
+ int width)
{
this->cpu->setFloatReg(_destRegIdx[idx], val, width);
- BaseDynInst<Impl>::setFloatReg(si, idx, val, width);
+ BaseDynInst<Impl>::setFloatRegOperand(si, idx, val, width);
}
- void setFloatReg(const StaticInst *si, int idx, FloatReg val)
+ void setFloatRegOperand(const StaticInst *si, int idx, FloatReg val)
{
this->cpu->setFloatReg(_destRegIdx[idx], val);
- BaseDynInst<Impl>::setFloatReg(si, idx, val);
+ BaseDynInst<Impl>::setFloatRegOperand(si, idx, val);
}
- void setFloatRegBits(const StaticInst *si, int idx,
- FloatRegBits val, int width)
+ void setFloatRegOperandBits(const StaticInst *si, int idx,
+ FloatRegBits val, int width)
{
this->cpu->setFloatRegBits(_destRegIdx[idx], val, width);
- BaseDynInst<Impl>::setFloatRegBits(si, idx, val);
+ BaseDynInst<Impl>::setFloatRegOperandBits(si, idx, val);
}
- void setFloatRegBits(const StaticInst *si, int idx, FloatRegBits val)
+ void setFloatRegOperandBits(const StaticInst *si, int idx,
+ FloatRegBits val)
{
this->cpu->setFloatRegBits(_destRegIdx[idx], val);
- BaseDynInst<Impl>::setFloatRegBits(si, idx, val);
+ BaseDynInst<Impl>::setFloatRegOperandBits(si, idx, val);
}
/** Returns the physical register index of the i'th destination
diff --git a/src/cpu/ozone/cpu.hh b/src/cpu/ozone/cpu.hh
index c1373944d..0da446c9c 100644
--- a/src/cpu/ozone/cpu.hh
+++ b/src/cpu/ozone/cpu.hh
@@ -448,30 +448,6 @@ class OzoneCPU : public BaseCPU
}
#endif
- /** Old CPU read from memory function. No longer used. */
- template <class T>
- Fault read(Request *req, T &data)
- {
-#if 0
-#if FULL_SYSTEM && defined(TARGET_ALPHA)
- if (req->isLocked()) {
- req->xc->setMiscReg(TheISA::Lock_Addr_DepTag, req->paddr);
- req->xc->setMiscReg(TheISA::Lock_Flag_DepTag, true);
- }
-#endif
- if (req->isLocked()) {
- lockAddrList.insert(req->paddr);
- lockFlag = true;
- }
-#endif
- Fault error;
-
- error = this->mem->read(req, data);
- data = gtoh(data);
- return error;
- }
-
-
/** CPU read function, forwards read to LSQ. */
template <class T>
Fault read(Request *req, T &data, int load_idx)
@@ -479,81 +455,6 @@ class OzoneCPU : public BaseCPU
return backEnd->read(req, data, load_idx);
}
- /** Old CPU write to memory function. No longer used. */
- template <class T>
- Fault write(Request *req, T &data)
- {
-#if 0
-#if FULL_SYSTEM && defined(TARGET_ALPHA)
- ExecContext *xc;
-
- // If this is a store conditional, act appropriately
- if (req->isLocked()) {
- xc = req->xc;
-
- if (req->isUncacheable()) {
- // Don't update result register (see stq_c in isa_desc)
- req->result = 2;
- xc->setStCondFailures(0);//Needed? [RGD]
- } else {
- bool lock_flag = xc->readMiscReg(TheISA::Lock_Flag_DepTag);
- Addr lock_addr = xc->readMiscReg(TheISA::Lock_Addr_DepTag);
- req->result = lock_flag;
- if (!lock_flag ||
- ((lock_addr & ~0xf) != (req->paddr & ~0xf))) {
- xc->setMiscReg(TheISA::Lock_Flag_DepTag, false);
- xc->setStCondFailures(xc->readStCondFailures() + 1);
- if (((xc->readStCondFailures()) % 100000) == 0) {
- std::cerr << "Warning: "
- << xc->readStCondFailures()
- << " consecutive store conditional failures "
- << "on cpu " << req->xc->readCpuId()
- << std::endl;
- }
- return NoFault;
- }
- else xc->setStCondFailures(0);
- }
- }
-
- // Need to clear any locked flags on other proccessors for
- // this address. Only do this for succsful Store Conditionals
- // and all other stores (WH64?). Unsuccessful Store
- // Conditionals would have returned above, and wouldn't fall
- // through.
- for (int i = 0; i < this->system->threadContexts.size(); i++){
- xc = this->system->threadContexts[i];
- if ((xc->readMiscReg(TheISA::Lock_Addr_DepTag) & ~0xf) ==
- (req->paddr & ~0xf)) {
- xc->setMiscReg(TheISA::Lock_Flag_DepTag, false);
- }
- }
-
-#endif
-
- if (req->isLocked()) {
- if (req->isUncacheable()) {
- req->result = 2;
- } else {
- if (this->lockFlag) {
- if (lockAddrList.find(req->paddr) !=
- lockAddrList.end()) {
- req->result = 1;
- } else {
- req->result = 0;
- return NoFault;
- }
- } else {
- req->result = 0;
- return NoFault;
- }
- }
- }
-#endif
-
- return this->mem->write(req, (T)htog(data));
- }
-
/** CPU write function, forwards write to LSQ. */
template <class T>
Fault write(Request *req, T &data, int store_idx)
diff --git a/src/cpu/ozone/dyn_inst.hh b/src/cpu/ozone/dyn_inst.hh
index 9445a5309..88f96b14b 100644
--- a/src/cpu/ozone/dyn_inst.hh
+++ b/src/cpu/ozone/dyn_inst.hh
@@ -146,12 +146,12 @@ class OzoneDynInst : public BaseDynInst<Impl>
// storage (which is pretty hard to imagine they would have reason
// to do).
- uint64_t readIntReg(const StaticInst *si, int idx)
+ uint64_t readIntRegOperand(const StaticInst *si, int idx)
{
return srcInsts[idx]->readIntResult();
}
- FloatReg readFloatReg(const StaticInst *si, int idx, int width)
+ FloatReg readFloatRegOperand(const StaticInst *si, int idx, int width)
{
switch(width) {
case 32:
@@ -164,17 +164,18 @@ class OzoneDynInst : public BaseDynInst<Impl>
}
}
- FloatReg readFloatReg(const StaticInst *si, int idx)
+ FloatReg readFloatRegOperand(const StaticInst *si, int idx)
{
return srcInsts[idx]->readFloatResult();
}
- FloatRegBits readFloatRegBits(const StaticInst *si, int idx, int width)
+ FloatRegBits readFloatRegOperandBits(const StaticInst *si, int idx,
+ int width)
{
return srcInsts[idx]->readIntResult();
}
- FloatRegBits readFloatRegBits(const StaticInst *si, int idx)
+ FloatRegBits readFloatRegOperandBits(const StaticInst *si, int idx)
{
return srcInsts[idx]->readIntResult();
}
@@ -182,28 +183,30 @@ class OzoneDynInst : public BaseDynInst<Impl>
/** @todo: Make results into arrays so they can handle multiple dest
* registers.
*/
- void setIntReg(const StaticInst *si, int idx, uint64_t val)
+ void setIntRegOperand(const StaticInst *si, int idx, uint64_t val)
{
BaseDynInst<Impl>::setIntReg(si, idx, val);
}
- void setFloatReg(const StaticInst *si, int idx, FloatReg val, int width)
+ void setFloatRegOperand(const StaticInst *si, int idx, FloatReg val,
+ int width)
{
BaseDynInst<Impl>::setFloatReg(si, idx, val, width);
}
- void setFloatReg(const StaticInst *si, int idx, FloatReg val)
+ void setFloatRegOperand(const StaticInst *si, int idx, FloatReg val)
{
BaseDynInst<Impl>::setFloatReg(si, idx, val);
}
- void setFloatRegBits(const StaticInst *si, int idx,
- FloatRegBits val, int width)
+ void setFloatRegOperandBits(const StaticInst *si, int idx,
+ FloatRegBits val, int width)
{
BaseDynInst<Impl>::setFloatRegBits(si, idx, val);
}
- void setFloatRegBits(const StaticInst *si, int idx, FloatRegBits val)
+ void setFloatRegOperandBits(const StaticInst *si, int idx,
+ FloatRegBits val)
{
BaseDynInst<Impl>::setFloatRegBits(si, idx, val);
}
diff --git a/src/cpu/ozone/inorder_back_end.hh b/src/cpu/ozone/inorder_back_end.hh
index b2522bdc8..4fd8e02f8 100644
--- a/src/cpu/ozone/inorder_back_end.hh
+++ b/src/cpu/ozone/inorder_back_end.hh
@@ -236,25 +236,6 @@ InorderBackEnd<Impl>::read(Addr addr, T &data, unsigned flags)
*/
return fault;
}
-#if 0
-template <class Impl>
-template <class T>
-Fault
-InorderBackEnd<Impl>::read(MemReqPtr &req, T &data)
-{
-#if FULL_SYSTEM && defined(TARGET_ALPHA)
- if (req->isLocked()) {
- req->xc->setMiscReg(TheISA::Lock_Addr_DepTag, req->paddr);
- req->xc->setMiscReg(TheISA::Lock_Flag_DepTag, true);
- }
-#endif
-
- Fault error;
- error = thread->mem->read(req, data);
- data = LittleEndianGuest::gtoh(data);
- return error;
-}
-#endif
template <class Impl>
template <class T>
@@ -296,61 +277,6 @@ InorderBackEnd<Impl>::write(T data, Addr addr, unsigned flags, uint64_t *res)
*/
return fault;
}
-#if 0
-template <class Impl>
-template <class T>
-Fault
-InorderBackEnd<Impl>::write(MemReqPtr &req, T &data)
-{
-#if FULL_SYSTEM && defined(TARGET_ALPHA)
- ExecContext *xc;
-
- // If this is a store conditional, act appropriately
- if (req->isLocked()) {
- xc = req->xc;
-
- if (req->isUncacheable()) {
- // Don't update result register (see stq_c in isa_desc)
- req->result = 2;
- xc->setStCondFailures(0);//Needed? [RGD]
- } else {
- bool lock_flag = xc->readMiscReg(TheISA::Lock_Flag_DepTag);
- Addr lock_addr = xc->readMiscReg(TheISA::Lock_Addr_DepTag);
- req->result = lock_flag;
- if (!lock_flag ||
- ((lock_addr & ~0xf) != (req->paddr & ~0xf))) {
- xc->setMiscReg(TheISA::Lock_Flag_DepTag, false);
- xc->setStCondFailures(xc->readStCondFailures() + 1);
- if (((xc->readStCondFailures()) % 100000) == 0) {
- std::cerr << "Warning: "
- << xc->readStCondFailures()
- << " consecutive store conditional failures "
- << "on cpu " << req->xc->readCpuId()
- << std::endl;
- }
- return NoFault;
- }
- else xc->setStCondFailures(0);
- }
- }
-
- // Need to clear any locked flags on other proccessors for
- // this address. Only do this for succsful Store Conditionals
- // and all other stores (WH64?). Unsuccessful Store
- // Conditionals would have returned above, and wouldn't fall
- // through.
- for (int i = 0; i < cpu->system->execContexts.size(); i++){
- xc = cpu->system->execContexts[i];
- if ((xc->readMiscReg(TheISA::Lock_Addr_DepTag) & ~0xf) ==
- (req->paddr & ~0xf)) {
- xc->setMiscReg(TheISA::Lock_Flag_DepTag, false);
- }
- }
-
-#endif
- return thread->mem->write(req, (T)LittleEndianGuest::htog(data));
-}
-#endif
template <class Impl>
template <class T>
diff --git a/src/cpu/simple/base.hh b/src/cpu/simple/base.hh
index efb884325..c39bfa9cd 100644
--- a/src/cpu/simple/base.hh
+++ b/src/cpu/simple/base.hh
@@ -213,60 +213,63 @@ class BaseSimpleCPU : public BaseCPU
// storage (which is pretty hard to imagine they would have reason
// to do).
- uint64_t readIntReg(const StaticInst *si, int idx)
+ uint64_t readIntRegOperand(const StaticInst *si, int idx)
{
return thread->readIntReg(si->srcRegIdx(idx));
}
- FloatReg readFloatReg(const StaticInst *si, int idx, int width)
+ FloatReg readFloatRegOperand(const StaticInst *si, int idx, int width)
{
int reg_idx = si->srcRegIdx(idx) - TheISA::FP_Base_DepTag;
return thread->readFloatReg(reg_idx, width);
}
- FloatReg readFloatReg(const StaticInst *si, int idx)
+ FloatReg readFloatRegOperand(const StaticInst *si, int idx)
{
int reg_idx = si->srcRegIdx(idx) - TheISA::FP_Base_DepTag;
return thread->readFloatReg(reg_idx);
}
- FloatRegBits readFloatRegBits(const StaticInst *si, int idx, int width)
+ FloatRegBits readFloatRegOperandBits(const StaticInst *si, int idx,
+ int width)
{
int reg_idx = si->srcRegIdx(idx) - TheISA::FP_Base_DepTag;
return thread->readFloatRegBits(reg_idx, width);
}
- FloatRegBits readFloatRegBits(const StaticInst *si, int idx)
+ FloatRegBits readFloatRegOperandBits(const StaticInst *si, int idx)
{
int reg_idx = si->srcRegIdx(idx) - TheISA::FP_Base_DepTag;
return thread->readFloatRegBits(reg_idx);
}
- void setIntReg(const StaticInst *si, int idx, uint64_t val)
+ void setIntRegOperand(const StaticInst *si, int idx, uint64_t val)
{
thread->setIntReg(si->destRegIdx(idx), val);
}
- void setFloatReg(const StaticInst *si, int idx, FloatReg val, int width)
+ void setFloatRegOperand(const StaticInst *si, int idx, FloatReg val,
+ int width)
{
int reg_idx = si->destRegIdx(idx) - TheISA::FP_Base_DepTag;
thread->setFloatReg(reg_idx, val, width);
}
- void setFloatReg(const StaticInst *si, int idx, FloatReg val)
+ void setFloatRegOperand(const StaticInst *si, int idx, FloatReg val)
{
int reg_idx = si->destRegIdx(idx) - TheISA::FP_Base_DepTag;
thread->setFloatReg(reg_idx, val);
}
- void setFloatRegBits(const StaticInst *si, int idx,
- FloatRegBits val, int width)
+ void setFloatRegOperandBits(const StaticInst *si, int idx,
+ FloatRegBits val, int width)
{
int reg_idx = si->destRegIdx(idx) - TheISA::FP_Base_DepTag;
thread->setFloatRegBits(reg_idx, val, width);
}
- void setFloatRegBits(const StaticInst *si, int idx, FloatRegBits val)
+ void setFloatRegOperandBits(const StaticInst *si, int idx,
+ FloatRegBits val)
{
int reg_idx = si->destRegIdx(idx) - TheISA::FP_Base_DepTag;
thread->setFloatRegBits(reg_idx, val);
diff --git a/src/cpu/simple_thread.hh b/src/cpu/simple_thread.hh
index e8757c8c2..10bbe292c 100644
--- a/src/cpu/simple_thread.hh
+++ b/src/cpu/simple_thread.hh
@@ -232,75 +232,6 @@ class SimpleThread : public ThreadState
/// Set the status to Halted.
void halt();
-/*
- template <class T>
- Fault read(RequestPtr &req, T &data)
- {
-#if FULL_SYSTEM && THE_ISA == ALPHA_ISA
- if (req->isLocked()) {
- req->xc->setMiscReg(TheISA::Lock_Addr_DepTag, req->paddr);
- req->xc->setMiscReg(TheISA::Lock_Flag_DepTag, true);
- }
-#endif
-
- Fault error;
- error = mem->prot_read(req->paddr, data, req->size);
- data = LittleEndianGuest::gtoh(data);
- return error;
- }
-
- template <class T>
- Fault write(RequestPtr &req, T &data)
- {
-#if FULL_SYSTEM && THE_ISA == ALPHA_ISA
- ExecContext *xc;
-
- // If this is a store conditional, act appropriately
- if (req->isLocked()) {
- xc = req->xc;
-
- if (req->isUncacheable()) {
- // Don't update result register (see stq_c in isa_desc)
- req->result = 2;
- xc->setStCondFailures(0);//Needed? [RGD]
- } else {
- bool lock_flag = xc->readMiscReg(TheISA::Lock_Flag_DepTag);
- Addr lock_addr = xc->readMiscReg(TheISA::Lock_Addr_DepTag);
- req->result = lock_flag;
- if (!lock_flag ||
- ((lock_addr & ~0xf) != (req->paddr & ~0xf))) {
- xc->setMiscReg(TheISA::Lock_Flag_DepTag, false);
- xc->setStCondFailures(xc->readStCondFailures() + 1);
- if (((xc->readStCondFailures()) % 100000) == 0) {
- std::cerr << "Warning: "
- << xc->readStCondFailures()
- << " consecutive store conditional failures "
- << "on cpu " << req->xc->readCpuId()
- << std::endl;
- }
- return NoFault;
- }
- else xc->setStCondFailures(0);
- }
- }
-
- // Need to clear any locked flags on other proccessors for
- // this address. Only do this for succsful Store Conditionals
- // and all other stores (WH64?). Unsuccessful Store
- // Conditionals would have returned above, and wouldn't fall
- // through.
- for (int i = 0; i < system->execContexts.size(); i++){
- xc = system->execContexts[i];
- if ((xc->readMiscReg(TheISA::Lock_Addr_DepTag) & ~0xf) ==
- (req->paddr & ~0xf)) {
- xc->setMiscReg(TheISA::Lock_Flag_DepTag, false);
- }
- }
-
-#endif
- return mem->prot_write(req->paddr, (T)htog(data), req->size);
- }
-*/
virtual bool misspeculating();
Fault instRead(RequestPtr &req)
diff --git a/src/mem/cache/cache.cc b/src/mem/cache/cache.cc
index db66c096e..29ca09060 100644
--- a/src/mem/cache/cache.cc
+++ b/src/mem/cache/cache.cc
@@ -37,7 +37,6 @@
*/
#include "mem/config/cache.hh"
-#include "mem/config/compression.hh"
#include "mem/cache/tags/cache_tags.hh"
@@ -61,11 +60,6 @@
#include "mem/cache/tags/split_lifo.hh"
#endif
-#include "base/compression/null_compression.hh"
-#if defined(USE_LZSS_COMPRESSION)
-#include "base/compression/lzss_compression.hh"
-#endif
-
#include "mem/cache/miss/miss_queue.hh"
#include "mem/cache/miss/blocking_buffer.hh"
@@ -79,68 +73,28 @@
#if defined(USE_CACHE_FALRU)
-template class Cache<CacheTags<FALRU,NullCompression>, BlockingBuffer, SimpleCoherence>;
-template class Cache<CacheTags<FALRU,NullCompression>, BlockingBuffer, UniCoherence>;
-template class Cache<CacheTags<FALRU,NullCompression>, MissQueue, SimpleCoherence>;
-template class Cache<CacheTags<FALRU,NullCompression>, MissQueue, UniCoherence>;
-#if defined(USE_LZSS_COMPRESSION)
-template class Cache<CacheTags<FALRU,LZSSCompression>, BlockingBuffer, SimpleCoherence>;
-template class Cache<CacheTags<FALRU,LZSSCompression>, BlockingBuffer, UniCoherence>;
-template class Cache<CacheTags<FALRU,LZSSCompression>, MissQueue, SimpleCoherence>;
-template class Cache<CacheTags<FALRU,LZSSCompression>, MissQueue, UniCoherence>;
-#endif
+template class Cache<CacheTags<FALRU>, SimpleCoherence>;
+template class Cache<CacheTags<FALRU>, UniCoherence>;
#endif
#if defined(USE_CACHE_IIC)
-template class Cache<CacheTags<IIC,NullCompression>, BlockingBuffer, SimpleCoherence>;
-template class Cache<CacheTags<IIC,NullCompression>, BlockingBuffer, UniCoherence>;
-template class Cache<CacheTags<IIC,NullCompression>, MissQueue, SimpleCoherence>;
-template class Cache<CacheTags<IIC,NullCompression>, MissQueue, UniCoherence>;
-#if defined(USE_LZSS_COMPRESSION)
-template class Cache<CacheTags<IIC,LZSSCompression>, BlockingBuffer, SimpleCoherence>;
-template class Cache<CacheTags<IIC,LZSSCompression>, BlockingBuffer, UniCoherence>;
-template class Cache<CacheTags<IIC,LZSSCompression>, MissQueue, SimpleCoherence>;
-template class Cache<CacheTags<IIC,LZSSCompression>, MissQueue, UniCoherence>;
-#endif
+template class Cache<CacheTags<IIC>, SimpleCoherence>;
+template class Cache<CacheTags<IIC>, UniCoherence>;
#endif
#if defined(USE_CACHE_LRU)
-template class Cache<CacheTags<LRU,NullCompression>, BlockingBuffer, SimpleCoherence>;
-template class Cache<CacheTags<LRU,NullCompression>, BlockingBuffer, UniCoherence>;
-template class Cache<CacheTags<LRU,NullCompression>, MissQueue, SimpleCoherence>;
-template class Cache<CacheTags<LRU,NullCompression>, MissQueue, UniCoherence>;
-#if defined(USE_LZSS_COMPRESSION)
-template class Cache<CacheTags<LRU,LZSSCompression>, BlockingBuffer, SimpleCoherence>;
-template class Cache<CacheTags<LRU,LZSSCompression>, BlockingBuffer, UniCoherence>;
-template class Cache<CacheTags<LRU,LZSSCompression>, MissQueue, SimpleCoherence>;
-template class Cache<CacheTags<LRU,LZSSCompression>, MissQueue, UniCoherence>;
-#endif
+template class Cache<CacheTags<LRU>, SimpleCoherence>;
+template class Cache<CacheTags<LRU>, UniCoherence>;
#endif
#if defined(USE_CACHE_SPLIT)
-template class Cache<CacheTags<Split,NullCompression>, BlockingBuffer, SimpleCoherence>;
-template class Cache<CacheTags<Split,NullCompression>, BlockingBuffer, UniCoherence>;
-template class Cache<CacheTags<Split,NullCompression>, MissQueue, SimpleCoherence>;
-template class Cache<CacheTags<Split,NullCompression>, MissQueue, UniCoherence>;
-#if defined(USE_LZSS_COMPRESSION)
-template class Cache<CacheTags<Split,LZSSCompression>, BlockingBuffer, SimpleCoherence>;
-template class Cache<CacheTags<Split,LZSSCompression>, BlockingBuffer, UniCoherence>;
-template class Cache<CacheTags<Split,LZSSCompression>, MissQueue, SimpleCoherence>;
-template class Cache<CacheTags<Split,LZSSCompression>, MissQueue, UniCoherence>;
-#endif
+template class Cache<CacheTags<Split>, SimpleCoherence>;
+template class Cache<CacheTags<Split>, UniCoherence>;
#endif
#if defined(USE_CACHE_SPLIT_LIFO)
-template class Cache<CacheTags<SplitLIFO,NullCompression>, BlockingBuffer, SimpleCoherence>;
-template class Cache<CacheTags<SplitLIFO,NullCompression>, BlockingBuffer, UniCoherence>;
-template class Cache<CacheTags<SplitLIFO,NullCompression>, MissQueue, SimpleCoherence>;
-template class Cache<CacheTags<SplitLIFO,NullCompression>, MissQueue, UniCoherence>;
-#if defined(USE_LZSS_COMPRESSION)
-template class Cache<CacheTags<SplitLIFO,LZSSCompression>, BlockingBuffer, SimpleCoherence>;
-template class Cache<CacheTags<SplitLIFO,LZSSCompression>, BlockingBuffer, UniCoherence>;
-template class Cache<CacheTags<SplitLIFO,LZSSCompression>, MissQueue, SimpleCoherence>;
-template class Cache<CacheTags<SplitLIFO,LZSSCompression>, MissQueue, UniCoherence>;
-#endif
+template class Cache<CacheTags<SplitLIFO>, SimpleCoherence>;
+template class Cache<CacheTags<SplitLIFO>, UniCoherence>;
#endif
#endif //DOXYGEN_SHOULD_SKIP_THIS
diff --git a/src/mem/cache/cache.hh b/src/mem/cache/cache.hh
index 1f3b087bb..29502042c 100644
--- a/src/mem/cache/cache.hh
+++ b/src/mem/cache/cache.hh
@@ -42,6 +42,7 @@
#include "cpu/smt.hh" // SMT_MAX_THREADS
#include "mem/cache/base_cache.hh"
+#include "mem/cache/miss/miss_buffer.hh"
#include "mem/cache/prefetch/prefetcher.hh"
//Forward decleration
@@ -55,7 +56,7 @@ class MSHR;
* @sa MissQueue. Coherence handles all coherence policy details @sa
* UniCoherence, SimpleMultiCoherence.
*/
-template <class TagStore, class Buffering, class Coherence>
+template <class TagStore, class Coherence>
class Cache : public BaseCache
{
public:
@@ -68,12 +69,12 @@ class Cache : public BaseCache
/** Tag and data Storage */
TagStore *tags;
/** Miss and Writeback handler */
- Buffering *missQueue;
+ MissBuffer *missQueue;
/** Coherence protocol. */
Coherence *coherence;
/** Prefetcher */
- Prefetcher<TagStore, Buffering> *prefetcher;
+ Prefetcher<TagStore> *prefetcher;
/**
* The clock ratio of the outgoing bus.
@@ -105,16 +106,16 @@ class Cache : public BaseCache
{
public:
TagStore *tags;
- Buffering *missQueue;
+ MissBuffer *missQueue;
Coherence *coherence;
BaseCache::Params baseParams;
- Prefetcher<TagStore, Buffering> *prefetcher;
+ Prefetcher<TagStore> *prefetcher;
bool prefetchAccess;
int hitLatency;
- Params(TagStore *_tags, Buffering *mq, Coherence *coh,
+ Params(TagStore *_tags, MissBuffer *mq, Coherence *coh,
BaseCache::Params params,
- Prefetcher<TagStore, Buffering> *_prefetcher,
+ Prefetcher<TagStore> *_prefetcher,
bool prefetch_access, int hit_latency)
: tags(_tags), missQueue(mq), coherence(coh),
baseParams(params),
diff --git a/src/mem/cache/cache_builder.cc b/src/mem/cache/cache_builder.cc
index 03646ec2a..4b1b19718 100644
--- a/src/mem/cache/cache_builder.cc
+++ b/src/mem/cache/cache_builder.cc
@@ -37,7 +37,6 @@
// Must be included first to determine which caches we want
#include "mem/config/cache.hh"
-#include "mem/config/compression.hh"
#include "mem/config/prefetch.hh"
#include "mem/cache/base_cache.hh"
@@ -69,9 +68,7 @@
// Compression Templates
#include "base/compression/null_compression.hh"
-#if defined(USE_LZSS_COMPRESSION)
#include "base/compression/lzss_compression.hh"
-#endif
// CacheTags Templates
#include "mem/cache/tags/cache_tags.hh"
@@ -211,156 +208,127 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(BaseCache)
END_INIT_SIM_OBJECT_PARAMS(BaseCache)
-#define BUILD_CACHE(t, comp, b, c) do { \
- Prefetcher<CacheTags<t, comp>, b> *pf; \
+#define BUILD_CACHE(t, c) do { \
+ Prefetcher<CacheTags<t> > *pf; \
if (pf_policy == "tagged") { \
- BUILD_TAGGED_PREFETCHER(t, comp, b); \
+ BUILD_TAGGED_PREFETCHER(t); \
} \
else if (pf_policy == "stride") { \
- BUILD_STRIDED_PREFETCHER(t, comp, b); \
+ BUILD_STRIDED_PREFETCHER(t); \
} \
else if (pf_policy == "ghb") { \
- BUILD_GHB_PREFETCHER(t, comp, b); \
+ BUILD_GHB_PREFETCHER(t); \
} \
else { \
- BUILD_NULL_PREFETCHER(t, comp, b); \
+ BUILD_NULL_PREFETCHER(t); \
} \
- Cache<CacheTags<t, comp>, b, c>::Params params(tagStore, mq, coh, \
+ Cache<CacheTags<t>, c>::Params params(tagStore, mq, coh, \
base_params, \
- /*in_bus, out_bus,*/ pf, \
+ pf, \
prefetch_access, hit_latency); \
- Cache<CacheTags<t, comp>, b, c> *retval = \
- new Cache<CacheTags<t, comp>, b, c>(getInstanceName(), /*hier,*/ \
- params); \
-/* if (in_bus == NULL) { \
- retval->setSlaveInterface(new MemoryInterface<Cache<CacheTags<t, comp>, b, c> >(getInstanceName(), hier, retval, mem_trace)); \
- } else { \
- retval->setSlaveInterface(new SlaveInterface<Cache<CacheTags<t, comp>, b, c>, Bus>(getInstanceName(), hier, retval, in_bus, mem_trace)); \
- } \
- retval->setMasterInterface(new MasterInterface<Cache<CacheTags<t, comp>, b, c>, Bus>(getInstanceName(), hier, retval, out_bus)); \
- out_bus->rangeChange(); \
- return retval; \
-*/return retval; \
+ Cache<CacheTags<t>, c> *retval = \
+ new Cache<CacheTags<t>, c>(getInstanceName(), params); \
+return retval; \
} while (0)
#define BUILD_CACHE_PANIC(x) do { \
panic("%s not compiled into M5", x); \
} while (0)
-#if defined(USE_LZSS_COMPRESSION)
-#define BUILD_COMPRESSED_CACHE(TAGS, tags, b, c) do { \
- if (compressed_bus || store_compressed){ \
- CacheTags<TAGS, LZSSCompression> *tagStore = \
- new CacheTags<TAGS, LZSSCompression>(tags, \
- compression_latency, \
- true, store_compressed, \
- adaptive_compression, \
- prefetch_miss); \
- BUILD_CACHE(TAGS, LZSSCompression, b, c); \
- } else { \
- CacheTags<TAGS, NullCompression> *tagStore = \
- new CacheTags<TAGS, NullCompression>(tags, \
- compression_latency, \
- true, store_compressed, \
- adaptive_compression, \
- prefetch_miss); \
- BUILD_CACHE(TAGS, NullCompression, b, c); \
- } \
- } while (0)
-#else
-#define BUILD_COMPRESSED_CACHE(TAGS, tags, b, c) do { \
- if (compressed_bus || store_compressed){ \
- BUILD_CACHE_PANIC("compressed caches"); \
+#define BUILD_COMPRESSED_CACHE(TAGS, tags, c) \
+ do { \
+ CompressionAlgorithm *compAlg; \
+ if (compressed_bus || store_compressed) { \
+ compAlg = new LZSSCompression(); \
} else { \
- CacheTags<TAGS, NullCompression> *tagStore = \
- new CacheTags<TAGS, NullCompression>(tags, \
- compression_latency, \
- true, store_compressed, \
- adaptive_compression \
- prefetch_miss); \
- BUILD_CACHE(TAGS, NullCompression, b, c); \
+ compAlg = new NullCompression(); \
} \
+ CacheTags<TAGS> *tagStore = \
+ new CacheTags<TAGS>(tags, compression_latency, true, \
+ store_compressed, adaptive_compression, \
+ compressed_bus, \
+ compAlg, prefetch_miss); \
+ BUILD_CACHE(TAGS, c); \
} while (0)
-#endif
#if defined(USE_CACHE_FALRU)
-#define BUILD_FALRU_CACHE(b,c) do { \
+#define BUILD_FALRU_CACHE(c) do { \
FALRU *tags = new FALRU(block_size, size, latency); \
- BUILD_COMPRESSED_CACHE(FALRU, tags, b, c); \
+ BUILD_COMPRESSED_CACHE(FALRU, tags, c); \
} while (0)
#else
-#define BUILD_FALRU_CACHE(b, c) BUILD_CACHE_PANIC("falru cache")
+#define BUILD_FALRU_CACHE(c) BUILD_CACHE_PANIC("falru cache")
#endif
#if defined(USE_CACHE_LRU)
-#define BUILD_LRU_CACHE(b, c) do { \
+#define BUILD_LRU_CACHE(c) do { \
LRU *tags = new LRU(numSets, block_size, assoc, latency); \
- BUILD_COMPRESSED_CACHE(LRU, tags, b, c); \
+ BUILD_COMPRESSED_CACHE(LRU, tags, c); \
} while (0)
#else
-#define BUILD_LRU_CACHE(b, c) BUILD_CACHE_PANIC("lru cache")
+#define BUILD_LRU_CACHE(c) BUILD_CACHE_PANIC("lru cache")
#endif
#if defined(USE_CACHE_SPLIT)
-#define BUILD_SPLIT_CACHE(b, c) do { \
+#define BUILD_SPLIT_CACHE(c) do { \
Split *tags = new Split(numSets, block_size, assoc, split_size, lifo, \
two_queue, latency); \
- BUILD_COMPRESSED_CACHE(Split, tags, b, c); \
+ BUILD_COMPRESSED_CACHE(Split, tags, c); \
} while (0)
#else
-#define BUILD_SPLIT_CACHE(b, c) BUILD_CACHE_PANIC("split cache")
+#define BUILD_SPLIT_CACHE(c) BUILD_CACHE_PANIC("split cache")
#endif
#if defined(USE_CACHE_SPLIT_LIFO)
-#define BUILD_SPLIT_LIFO_CACHE(b, c) do { \
+#define BUILD_SPLIT_LIFO_CACHE(c) do { \
SplitLIFO *tags = new SplitLIFO(block_size, size, assoc, \
latency, two_queue, -1); \
- BUILD_COMPRESSED_CACHE(SplitLIFO, tags, b, c); \
+ BUILD_COMPRESSED_CACHE(SplitLIFO, tags, c); \
} while (0)
#else
-#define BUILD_SPLIT_LIFO_CACHE(b, c) BUILD_CACHE_PANIC("lifo cache")
+#define BUILD_SPLIT_LIFO_CACHE(c) BUILD_CACHE_PANIC("lifo cache")
#endif
#if defined(USE_CACHE_IIC)
-#define BUILD_IIC_CACHE(b ,c) do { \
+#define BUILD_IIC_CACHE(c) do { \
IIC *tags = new IIC(iic_params); \
- BUILD_COMPRESSED_CACHE(IIC, tags, b, c); \
+ BUILD_COMPRESSED_CACHE(IIC, tags, c); \
} while (0)
#else
-#define BUILD_IIC_CACHE(b, c) BUILD_CACHE_PANIC("iic")
+#define BUILD_IIC_CACHE(c) BUILD_CACHE_PANIC("iic")
#endif
-#define BUILD_CACHES(b, c) do { \
+#define BUILD_CACHES(c) do { \
if (repl == NULL) { \
if (numSets == 1) { \
- BUILD_FALRU_CACHE(b, c); \
+ BUILD_FALRU_CACHE(c); \
} else { \
if (split == true) { \
- BUILD_SPLIT_CACHE(b, c); \
+ BUILD_SPLIT_CACHE(c); \
} else if (lifo == true) { \
- BUILD_SPLIT_LIFO_CACHE(b, c); \
+ BUILD_SPLIT_LIFO_CACHE(c); \
} else { \
- BUILD_LRU_CACHE(b, c); \
+ BUILD_LRU_CACHE(c); \
} \
} \
} else { \
- BUILD_IIC_CACHE(b, c); \
+ BUILD_IIC_CACHE(c); \
} \
} while (0)
#define BUILD_COHERENCE(b) do { \
if (protocol == NULL) { \
UniCoherence *coh = new UniCoherence(); \
- BUILD_CACHES(b, UniCoherence); \
+ BUILD_CACHES(UniCoherence); \
} else { \
SimpleCoherence *coh = new SimpleCoherence(protocol); \
- BUILD_CACHES(b, SimpleCoherence); \
+ BUILD_CACHES(SimpleCoherence); \
} \
} while (0)
#if defined(USE_TAGGED)
-#define BUILD_TAGGED_PREFETCHER(t, comp, b) pf = new \
- TaggedPrefetcher<CacheTags<t, comp>, b>(prefetcher_size, \
+#define BUILD_TAGGED_PREFETCHER(t) pf = new \
+ TaggedPrefetcher<CacheTags<t> >(prefetcher_size, \
!prefetch_past_page, \
prefetch_serial_squash, \
prefetch_cache_check_push, \
@@ -368,12 +336,12 @@ END_INIT_SIM_OBJECT_PARAMS(BaseCache)
prefetch_latency, \
prefetch_degree)
#else
-#define BUILD_TAGGED_PREFETCHER(t, comp, b) BUILD_CACHE_PANIC("Tagged Prefetcher")
+#define BUILD_TAGGED_PREFETCHER(t) BUILD_CACHE_PANIC("Tagged Prefetcher")
#endif
#if defined(USE_STRIDED)
-#define BUILD_STRIDED_PREFETCHER(t, comp, b) pf = new \
- StridePrefetcher<CacheTags<t, comp>, b>(prefetcher_size, \
+#define BUILD_STRIDED_PREFETCHER(t) pf = new \
+ StridePrefetcher<CacheTags<t> >(prefetcher_size, \
!prefetch_past_page, \
prefetch_serial_squash, \
prefetch_cache_check_push, \
@@ -382,12 +350,12 @@ END_INIT_SIM_OBJECT_PARAMS(BaseCache)
prefetch_degree, \
prefetch_use_cpu_id)
#else
-#define BUILD_STRIDED_PREFETCHER(t, comp, b) BUILD_CACHE_PANIC("Stride Prefetcher")
+#define BUILD_STRIDED_PREFETCHER(t) BUILD_CACHE_PANIC("Stride Prefetcher")
#endif
#if defined(USE_GHB)
-#define BUILD_GHB_PREFETCHER(t, comp, b) pf = new \
- GHBPrefetcher<CacheTags<t, comp>, b>(prefetcher_size, \
+#define BUILD_GHB_PREFETCHER(t) pf = new \
+ GHBPrefetcher<CacheTags<t> >(prefetcher_size, \
!prefetch_past_page, \
prefetch_serial_squash, \
prefetch_cache_check_push, \
@@ -396,12 +364,12 @@ END_INIT_SIM_OBJECT_PARAMS(BaseCache)
prefetch_degree, \
prefetch_use_cpu_id)
#else
-#define BUILD_GHB_PREFETCHER(t, comp, b) BUILD_CACHE_PANIC("GHB Prefetcher")
+#define BUILD_GHB_PREFETCHER(t) BUILD_CACHE_PANIC("GHB Prefetcher")
#endif
#if defined(USE_TAGGED)
-#define BUILD_NULL_PREFETCHER(t, comp, b) pf = new \
- TaggedPrefetcher<CacheTags<t, comp>, b>(prefetcher_size, \
+#define BUILD_NULL_PREFETCHER(t) pf = new \
+ TaggedPrefetcher<CacheTags<t> >(prefetcher_size, \
!prefetch_past_page, \
prefetch_serial_squash, \
prefetch_cache_check_push, \
@@ -409,7 +377,7 @@ END_INIT_SIM_OBJECT_PARAMS(BaseCache)
prefetch_latency, \
prefetch_degree)
#else
-#define BUILD_NULL_PREFETCHER(t, comp, b) BUILD_CACHE_PANIC("NULL Prefetcher (uses Tagged)")
+#define BUILD_NULL_PREFETCHER(t) BUILD_CACHE_PANIC("NULL Prefetcher (uses Tagged)")
#endif
CREATE_SIM_OBJECT(BaseCache)
diff --git a/src/mem/cache/cache_impl.hh b/src/mem/cache/cache_impl.hh
index 3a681bc52..6742d5892 100644
--- a/src/mem/cache/cache_impl.hh
+++ b/src/mem/cache/cache_impl.hh
@@ -55,9 +55,9 @@
bool SIGNAL_NACK_HACK;
-template<class TagStore, class Buffering, class Coherence>
+template<class TagStore, class Coherence>
bool
-Cache<TagStore,Buffering,Coherence>::
+Cache<TagStore,Coherence>::
doTimingAccess(PacketPtr pkt, CachePort *cachePort, bool isCpuSide)
{
if (isCpuSide)
@@ -81,9 +81,9 @@ doTimingAccess(PacketPtr pkt, CachePort *cachePort, bool isCpuSide)
return true;
}
-template<class TagStore, class Buffering, class Coherence>
+template<class TagStore, class Coherence>
Tick
-Cache<TagStore,Buffering,Coherence>::
+Cache<TagStore,Coherence>::
doAtomicAccess(PacketPtr pkt, bool isCpuSide)
{
if (isCpuSide)
@@ -103,9 +103,9 @@ doAtomicAccess(PacketPtr pkt, bool isCpuSide)
return hitLatency;
}
-template<class TagStore, class Buffering, class Coherence>
+template<class TagStore, class Coherence>
void
-Cache<TagStore,Buffering,Coherence>::
+Cache<TagStore,Coherence>::
doFunctionalAccess(PacketPtr pkt, bool isCpuSide)
{
if (isCpuSide)
@@ -123,19 +123,19 @@ doFunctionalAccess(PacketPtr pkt, bool isCpuSide)
}
}
-template<class TagStore, class Buffering, class Coherence>
+template<class TagStore, class Coherence>
void
-Cache<TagStore,Buffering,Coherence>::
+Cache<TagStore,Coherence>::
recvStatusChange(Port::Status status, bool isCpuSide)
{
}
-template<class TagStore, class Buffering, class Coherence>
-Cache<TagStore,Buffering,Coherence>::
+template<class TagStore, class Coherence>
+Cache<TagStore,Coherence>::
Cache(const std::string &_name,
- Cache<TagStore,Buffering,Coherence>::Params &params)
+ Cache<TagStore,Coherence>::Params &params)
: BaseCache(_name, params.baseParams),
prefetchAccess(params.prefetchAccess),
tags(params.tags), missQueue(params.missQueue),
@@ -154,9 +154,9 @@ Cache(const std::string &_name,
invalidatePkt = new Packet(invalidateReq, Packet::InvalidateReq, 0);
}
-template<class TagStore, class Buffering, class Coherence>
+template<class TagStore, class Coherence>
void
-Cache<TagStore,Buffering,Coherence>::regStats()
+Cache<TagStore,Coherence>::regStats()
{
BaseCache::regStats();
tags->regStats(name());
@@ -165,9 +165,9 @@ Cache<TagStore,Buffering,Coherence>::regStats()
prefetcher->regStats(name());
}
-template<class TagStore, class Buffering, class Coherence>
+template<class TagStore, class Coherence>
bool
-Cache<TagStore,Buffering,Coherence>::access(PacketPtr &pkt)
+Cache<TagStore,Coherence>::access(PacketPtr &pkt)
{
//@todo Add back in MemDebug Calls
// MemDebug::cacheAccess(pkt);
@@ -253,9 +253,9 @@ Cache<TagStore,Buffering,Coherence>::access(PacketPtr &pkt)
}
-template<class TagStore, class Buffering, class Coherence>
+template<class TagStore, class Coherence>
PacketPtr
-Cache<TagStore,Buffering,Coherence>::getPacket()
+Cache<TagStore,Coherence>::getPacket()
{
assert(missQueue->havePending());
PacketPtr pkt = missQueue->getPacket();
@@ -276,9 +276,9 @@ Cache<TagStore,Buffering,Coherence>::getPacket()
return pkt;
}
-template<class TagStore, class Buffering, class Coherence>
+template<class TagStore, class Coherence>
void
-Cache<TagStore,Buffering,Coherence>::sendResult(PacketPtr &pkt, MSHR* mshr,
+Cache<TagStore,Coherence>::sendResult(PacketPtr &pkt, MSHR* mshr,
bool success)
{
if (success && !(SIGNAL_NACK_HACK)) {
@@ -319,9 +319,9 @@ Cache<TagStore,Buffering,Coherence>::sendResult(PacketPtr &pkt, MSHR* mshr,
}
}
-template<class TagStore, class Buffering, class Coherence>
+template<class TagStore, class Coherence>
void
-Cache<TagStore,Buffering,Coherence>::handleResponse(PacketPtr &pkt)
+Cache<TagStore,Coherence>::handleResponse(PacketPtr &pkt)
{
BlkType *blk = NULL;
if (pkt->senderState) {
@@ -363,16 +363,16 @@ Cache<TagStore,Buffering,Coherence>::handleResponse(PacketPtr &pkt)
}
}
-template<class TagStore, class Buffering, class Coherence>
+template<class TagStore, class Coherence>
PacketPtr
-Cache<TagStore,Buffering,Coherence>::getCoherencePacket()
+Cache<TagStore,Coherence>::getCoherencePacket()
{
return coherence->getPacket();
}
-template<class TagStore, class Buffering, class Coherence>
+template<class TagStore, class Coherence>
void
-Cache<TagStore,Buffering,Coherence>::sendCoherenceResult(PacketPtr &pkt,
+Cache<TagStore,Coherence>::sendCoherenceResult(PacketPtr &pkt,
MSHR *cshr,
bool success)
{
@@ -380,9 +380,9 @@ Cache<TagStore,Buffering,Coherence>::sendCoherenceResult(PacketPtr &pkt,
}
-template<class TagStore, class Buffering, class Coherence>
+template<class TagStore, class Coherence>
void
-Cache<TagStore,Buffering,Coherence>::snoop(PacketPtr &pkt)
+Cache<TagStore,Coherence>::snoop(PacketPtr &pkt)
{
if (pkt->req->isUncacheable()) {
//Can't get a hit on an uncacheable address
@@ -514,9 +514,9 @@ Cache<TagStore,Buffering,Coherence>::snoop(PacketPtr &pkt)
tags->handleSnoop(blk, new_state);
}
-template<class TagStore, class Buffering, class Coherence>
+template<class TagStore, class Coherence>
void
-Cache<TagStore,Buffering,Coherence>::snoopResponse(PacketPtr &pkt)
+Cache<TagStore,Coherence>::snoopResponse(PacketPtr &pkt)
{
//Need to handle the response, if NACKED
if (pkt->flags & NACKED_LINE) {
@@ -533,9 +533,9 @@ Cache<TagStore,Buffering,Coherence>::snoopResponse(PacketPtr &pkt)
}
}
-template<class TagStore, class Buffering, class Coherence>
+template<class TagStore, class Coherence>
void
-Cache<TagStore,Buffering,Coherence>::invalidateBlk(Addr addr)
+Cache<TagStore,Coherence>::invalidateBlk(Addr addr)
{
tags->invalidateBlk(addr);
}
@@ -544,9 +544,9 @@ Cache<TagStore,Buffering,Coherence>::invalidateBlk(Addr addr)
/**
* @todo Fix to not assume write allocate
*/
-template<class TagStore, class Buffering, class Coherence>
+template<class TagStore, class Coherence>
Tick
-Cache<TagStore,Buffering,Coherence>::probe(PacketPtr &pkt, bool update,
+Cache<TagStore,Coherence>::probe(PacketPtr &pkt, bool update,
CachePort* otherSidePort)
{
// MemDebug::cacheProbe(pkt);
@@ -694,9 +694,9 @@ return 0;
return 0;
}
-template<class TagStore, class Buffering, class Coherence>
+template<class TagStore, class Coherence>
Tick
-Cache<TagStore,Buffering,Coherence>::snoopProbe(PacketPtr &pkt)
+Cache<TagStore,Coherence>::snoopProbe(PacketPtr &pkt)
{
//Send a atomic (false) invalidate up if the protocol calls for it
if (coherence->propogateInvalidate(pkt, false)) {
diff --git a/src/mem/cache/miss/blocking_buffer.cc b/src/mem/cache/miss/blocking_buffer.cc
index bf741e547..4a431d82d 100644
--- a/src/mem/cache/miss/blocking_buffer.cc
+++ b/src/mem/cache/miss/blocking_buffer.cc
@@ -33,11 +33,9 @@
* Definitions of a simple buffer for a blocking cache.
*/
-#include "cpu/smt.hh" //for maxThreadsPerCPU
#include "mem/cache/base_cache.hh"
#include "mem/cache/miss/blocking_buffer.hh"
#include "mem/cache/prefetch/base_prefetcher.hh"
-#include "sim/eventq.hh" // for Event declaration.
#include "mem/request.hh"
/**
@@ -46,28 +44,11 @@
void
BlockingBuffer::regStats(const std::string &name)
{
- using namespace Stats;
- writebacks
- .init(maxThreadsPerCPU)
- .name(name + ".writebacks")
- .desc("number of writebacks")
- .flags(total)
- ;
+ MissBuffer::regStats(name);
}
-void
-BlockingBuffer::setCache(BaseCache *_cache)
-{
- cache = _cache;
- blkSize = cache->getBlockSize();
-}
void
-BlockingBuffer::setPrefetcher(BasePrefetcher *_prefetcher)
-{
- prefetcher = _prefetcher;
-}
-void
BlockingBuffer::handleMiss(PacketPtr &pkt, int blk_size, Tick time)
{
Addr blk_addr = pkt->getAddr() & ~(Addr)(blk_size - 1);
@@ -241,3 +222,23 @@ BlockingBuffer::doWriteback(PacketPtr &pkt)
cache->setBlocked(Blocked_NoWBBuffers);
cache->setMasterRequest(Request_WB, curTick);
}
+
+
+MSHR *
+BlockingBuffer::findMSHR(Addr addr)
+{
+ if (miss.addr == addr && miss.pkt)
+ return &miss;
+ return NULL;
+}
+
+
+bool
+BlockingBuffer::findWrites(Addr addr, std::vector<MSHR*>& writes)
+{
+ if (wb.addr == addr && wb.pkt) {
+ writes.push_back(&wb);
+ return true;
+ }
+ return false;
+}
diff --git a/src/mem/cache/miss/blocking_buffer.hh b/src/mem/cache/miss/blocking_buffer.hh
index 934a843a6..205068a8c 100644
--- a/src/mem/cache/miss/blocking_buffer.hh
+++ b/src/mem/cache/miss/blocking_buffer.hh
@@ -38,16 +38,14 @@
#include <vector>
+#include "base/misc.hh" // for fatal()
+#include "mem/cache/miss/miss_buffer.hh"
#include "mem/cache/miss/mshr.hh"
-#include "base/statistics.hh"
-
-class BaseCache;
-class BasePrefetcher;
/**
* Miss and writeback storage for a blocking cache.
*/
-class BlockingBuffer
+class BlockingBuffer : public MissBuffer
{
protected:
/** Miss storage. */
@@ -55,38 +53,13 @@ protected:
/** WB storage. */
MSHR wb;
- //Params
-
- /** Allocate on write misses. */
- const bool writeAllocate;
-
- /** Pointer to the parent cache. */
- BaseCache* cache;
-
- BasePrefetcher* prefetcher;
-
- /** Block size of the parent cache. */
- int blkSize;
-
- // Statistics
- /**
- * @addtogroup CacheStatistics
- * @{
- */
- /** Number of blocks written back per thread. */
- Stats::Vector<> writebacks;
-
- /**
- * @}
- */
-
public:
/**
* Builds and initializes this buffer.
* @param write_allocate If true, treat write misses the same as reads.
*/
BlockingBuffer(bool write_allocate)
- : writeAllocate(write_allocate)
+ : MissBuffer(write_allocate)
{
}
@@ -97,14 +70,6 @@ public:
void regStats(const std::string &name);
/**
- * Called by the parent cache to set the back pointer.
- * @param _cache A pointer to the parent cache.
- */
- void setCache(BaseCache *_cache);
-
- void setPrefetcher(BasePrefetcher *_prefetcher);
-
- /**
* Handle a cache miss properly. Requests the bus and marks the cache as
* blocked.
* @param pkt The request that missed in the cache.
@@ -183,12 +148,7 @@ public:
* @param asid The address space id.
* @return A pointer to miss if it matches.
*/
- MSHR* findMSHR(Addr addr)
- {
- if (miss.addr == addr && miss.pkt)
- return &miss;
- return NULL;
- }
+ MSHR* findMSHR(Addr addr);
/**
* Searches for the supplied address in the write buffer.
@@ -197,16 +157,7 @@ public:
* @param writes List of pointers to the matching writes.
* @return True if there is a matching write.
*/
- bool findWrites(Addr addr, std::vector<MSHR*>& writes)
- {
- if (wb.addr == addr && wb.pkt) {
- writes.push_back(&wb);
- return true;
- }
- return false;
- }
-
-
+ bool findWrites(Addr addr, std::vector<MSHR*>& writes);
/**
* Perform a writeback of dirty data to the given address.
diff --git a/src/mem/cache/miss/miss_buffer.cc b/src/mem/cache/miss/miss_buffer.cc
new file mode 100644
index 000000000..4d9cd0958
--- /dev/null
+++ b/src/mem/cache/miss/miss_buffer.cc
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2003-2006 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: Erik Hallnor
+ */
+
+#include "cpu/smt.hh" //for maxThreadsPerCPU
+#include "mem/cache/base_cache.hh"
+#include "mem/cache/miss/miss_buffer.hh"
+#include "mem/cache/prefetch/base_prefetcher.hh"
+
+/**
+ * @todo Move writebacks into shared BaseBuffer class.
+ */
+void
+MissBuffer::regStats(const std::string &name)
+{
+ using namespace Stats;
+ writebacks
+ .init(maxThreadsPerCPU)
+ .name(name + ".writebacks")
+ .desc("number of writebacks")
+ .flags(total)
+ ;
+}
+
+void
+MissBuffer::setCache(BaseCache *_cache)
+{
+ cache = _cache;
+ blkSize = cache->getBlockSize();
+}
+
+void
+MissBuffer::setPrefetcher(BasePrefetcher *_prefetcher)
+{
+ prefetcher = _prefetcher;
+}
diff --git a/src/mem/cache/miss/miss_buffer.hh b/src/mem/cache/miss/miss_buffer.hh
new file mode 100644
index 000000000..3e3080578
--- /dev/null
+++ b/src/mem/cache/miss/miss_buffer.hh
@@ -0,0 +1,223 @@
+/*
+ * Copyright (c) 2003-2006 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: Steve Reinhardt
+ */
+
+/**
+ * @file
+ * MissBuffer declaration.
+ */
+
+#ifndef __MISS_BUFFER_HH__
+#define __MISS_BUFFER_HH__
+
+class BaseCache;
+class BasePrefetcher;
+class MSHR;
+
+/**
+ * Abstract base class for cache miss buffering.
+ */
+class MissBuffer
+{
+ protected:
+ /** True if the cache should allocate on a write miss. */
+ const bool writeAllocate;
+
+ /** Pointer to the parent cache. */
+ BaseCache *cache;
+
+ /** The Prefetcher */
+ BasePrefetcher *prefetcher;
+
+ /** Block size of the parent cache. */
+ int blkSize;
+
+ // Statistics
+ /**
+ * @addtogroup CacheStatistics
+ * @{
+ */
+ /** Number of blocks written back per thread. */
+ Stats::Vector<> writebacks;
+
+ /**
+ * @}
+ */
+
+ public:
+ MissBuffer(bool write_allocate)
+ : writeAllocate(write_allocate)
+ {
+ }
+
+ virtual ~MissBuffer() {}
+
+ /**
+ * Called by the parent cache to set the back pointer.
+ * @param _cache A pointer to the parent cache.
+ */
+ void setCache(BaseCache *_cache);
+
+ void setPrefetcher(BasePrefetcher *_prefetcher);
+
+ /**
+ * Register statistics for this object.
+ * @param name The name of the parent cache.
+ */
+ virtual void regStats(const std::string &name);
+
+ /**
+ * Handle a cache miss properly. Either allocate an MSHR for the request,
+ * or forward it through the write buffer.
+ * @param pkt The request that missed in the cache.
+ * @param blk_size The block size of the cache.
+ * @param time The time the miss is detected.
+ */
+ virtual void handleMiss(PacketPtr &pkt, int blk_size, Tick time) = 0;
+
+ /**
+ * Fetch the block for the given address and buffer the given target.
+ * @param addr The address to fetch.
+ * @param asid The address space of the address.
+ * @param blk_size The block size of the cache.
+ * @param time The time the miss is detected.
+ * @param target The target for the fetch.
+ */
+ virtual MSHR *fetchBlock(Addr addr, int blk_size, Tick time,
+ PacketPtr &target) = 0;
+
+ /**
+ * Selects a outstanding request to service.
+ * @return The request to service, NULL if none found.
+ */
+ virtual PacketPtr getPacket() = 0;
+
+ /**
+ * Set the command to the given bus command.
+ * @param pkt The request to update.
+ * @param cmd The bus command to use.
+ */
+ virtual void setBusCmd(PacketPtr &pkt, Packet::Command cmd) = 0;
+
+ /**
+ * Restore the original command in case of a bus transmission error.
+ * @param pkt The request to reset.
+ */
+ virtual void restoreOrigCmd(PacketPtr &pkt) = 0;
+
+ /**
+ * Marks a request as in service (sent on the bus). This can have side
+ * effect since storage for no response commands is deallocated once they
+ * are successfully sent.
+ * @param pkt The request that was sent on the bus.
+ */
+ virtual void markInService(PacketPtr &pkt, MSHR* mshr) = 0;
+
+ /**
+ * Collect statistics and free resources of a satisfied request.
+ * @param pkt The request that has been satisfied.
+ * @param time The time when the request is satisfied.
+ */
+ virtual void handleResponse(PacketPtr &pkt, Tick time) = 0;
+
+ /**
+ * Removes all outstanding requests for a given thread number. If a request
+ * has been sent to the bus, this function removes all of its targets.
+ * @param threadNum The thread number of the requests to squash.
+ */
+ virtual void squash(int threadNum) = 0;
+
+ /**
+ * Return the current number of outstanding misses.
+ * @return the number of outstanding misses.
+ */
+ virtual int getMisses() = 0;
+
+ /**
+ * Searches for the supplied address in the miss queue.
+ * @param addr The address to look for.
+ * @param asid The address space id.
+ * @return The MSHR that contains the address, NULL if not found.
+ * @warning Currently only searches the miss queue. If non write allocate
+ * might need to search the write buffer for coherence.
+ */
+ virtual MSHR* findMSHR(Addr addr) = 0;
+
+ /**
+ * Searches for the supplied address in the write buffer.
+ * @param addr The address to look for.
+ * @param asid The address space id.
+ * @param writes The list of writes that match the address.
+ * @return True if any writes are found
+ */
+ virtual bool findWrites(Addr addr, std::vector<MSHR*>& writes) = 0;
+
+ /**
+ * Perform a writeback of dirty data to the given address.
+ * @param addr The address to write to.
+ * @param asid The address space id.
+ * @param xc The execution context of the address space.
+ * @param size The number of bytes to write.
+ * @param data The data to write, can be NULL.
+ * @param compressed True if the data is compressed.
+ */
+ virtual void doWriteback(Addr addr, int size, uint8_t *data,
+ bool compressed) = 0;
+
+ /**
+ * Perform the given writeback request.
+ * @param pkt The writeback request.
+ */
+ virtual void doWriteback(PacketPtr &pkt) = 0;
+
+ /**
+ * Returns true if there are outstanding requests.
+ * @return True if there are outstanding requests.
+ */
+ virtual bool havePending() = 0;
+
+ /**
+ * Add a target to the given MSHR. This assumes it is in the miss queue.
+ * @param mshr The mshr to add a target to.
+ * @param pkt The target to add.
+ */
+ virtual void addTarget(MSHR *mshr, PacketPtr &pkt) = 0;
+
+ /**
+ * Allocate a MSHR to hold a list of targets to a block involved in a copy.
+ * If the block is marked done then the MSHR already holds the data to
+ * fill the block. Otherwise the block needs to be fetched.
+ * @param addr The address to buffer.
+ * @param asid The address space ID.
+ * @return A pointer to the allocated MSHR.
+ */
+ virtual MSHR* allocateTargetList(Addr addr) = 0;
+};
+
+#endif //__MISS_BUFFER_HH__
diff --git a/src/mem/cache/miss/miss_queue.cc b/src/mem/cache/miss/miss_queue.cc
index 3c4586272..1d3e22326 100644
--- a/src/mem/cache/miss/miss_queue.cc
+++ b/src/mem/cache/miss/miss_queue.cc
@@ -48,16 +48,25 @@ using namespace std;
*/
MissQueue::MissQueue(int numMSHRs, int numTargets, int write_buffers,
bool write_allocate, bool prefetch_miss)
- : mq(numMSHRs, 4), wb(write_buffers,numMSHRs+1000), numMSHR(numMSHRs),
+ : MissBuffer(write_allocate),
+ mq(numMSHRs, 4), wb(write_buffers,numMSHRs+1000), numMSHR(numMSHRs),
numTarget(numTargets), writeBuffers(write_buffers),
- writeAllocate(write_allocate), order(0), prefetchMiss(prefetch_miss)
+ order(0), prefetchMiss(prefetch_miss)
{
noTargetMSHR = NULL;
}
+
+MissQueue::~MissQueue()
+{
+}
+
+
void
MissQueue::regStats(const string &name)
{
+ MissBuffer::regStats(name);
+
Request temp_req((Addr) NULL, 4, 0);
Packet::Command temp_cmd = Packet::ReadReq;
Packet temp_pkt(&temp_req, temp_cmd, 0); //@todo FIx command strings so this isn't neccessary
@@ -65,13 +74,6 @@ MissQueue::regStats(const string &name)
using namespace Stats;
- writebacks
- .init(maxThreadsPerCPU)
- .name(name + ".writebacks")
- .desc("number of writebacks")
- .flags(total)
- ;
-
// MSHR hit statistics
for (int access_idx = 0; access_idx < NUM_MEM_CMDS; ++access_idx) {
Packet::Command cmd = (Packet::Command)access_idx;
@@ -336,18 +338,6 @@ MissQueue::regStats(const string &name)
}
-void
-MissQueue::setCache(BaseCache *_cache)
-{
- cache = _cache;
- blkSize = cache->getBlockSize();
-}
-
-void
-MissQueue::setPrefetcher(BasePrefetcher *_prefetcher)
-{
- prefetcher = _prefetcher;
-}
MSHR*
MissQueue::allocateMiss(PacketPtr &pkt, int size, Tick time)
@@ -706,13 +696,13 @@ MissQueue::squash(int threadNum)
}
MSHR*
-MissQueue::findMSHR(Addr addr) const
+MissQueue::findMSHR(Addr addr)
{
return mq.findMatch(addr);
}
bool
-MissQueue::findWrites(Addr addr, vector<MSHR*> &writes) const
+MissQueue::findWrites(Addr addr, vector<MSHR*> &writes)
{
return wb.findMatches(addr,writes);
}
diff --git a/src/mem/cache/miss/miss_queue.hh b/src/mem/cache/miss/miss_queue.hh
index b67a896f4..1f9bb1e0c 100644
--- a/src/mem/cache/miss/miss_queue.hh
+++ b/src/mem/cache/miss/miss_queue.hh
@@ -38,19 +38,18 @@
#include <vector>
+#include "mem/cache/miss/miss_buffer.hh"
#include "mem/cache/miss/mshr.hh"
#include "mem/cache/miss/mshr_queue.hh"
#include "base/statistics.hh"
-class BaseCache;
-class BasePrefetcher;
/**
* Manages cache misses and writebacks. Contains MSHRs to store miss data
* and the writebuffer for writes/writebacks.
* @todo need to handle data on writes better (encapsulate).
* @todo need to make replacements/writebacks happen in Cache::access
*/
-class MissQueue
+class MissQueue : public MissBuffer
{
protected:
/** The MSHRs. */
@@ -66,16 +65,6 @@ class MissQueue
const int numTarget;
/** The number of write buffers. */
const int writeBuffers;
- /** True if the cache should allocate on a write miss. */
- const bool writeAllocate;
- /** Pointer to the parent cache. */
- BaseCache* cache;
-
- /** The Prefetcher */
- BasePrefetcher *prefetcher;
-
- /** The block size of the parent cache. */
- int blkSize;
/** Increasing order number assigned to each incoming request. */
uint64_t order;
@@ -87,9 +76,6 @@ class MissQueue
* @addtogroup CacheStatistics
* @{
*/
- /** Number of blocks written back per thread. */
- Stats::Vector<> writebacks;
-
/** Number of misses that hit in the MSHRs per command and thread. */
Stats::Vector<> mshr_hits[NUM_MEM_CMDS];
/** Demand misses that hit in the MSHRs. */
@@ -204,14 +190,6 @@ class MissQueue
void regStats(const std::string &name);
/**
- * Called by the parent cache to set the back pointer.
- * @param _cache A pointer to the parent cache.
- */
- void setCache(BaseCache *_cache);
-
- void setPrefetcher(BasePrefetcher *_prefetcher);
-
- /**
* Handle a cache miss properly. Either allocate an MSHR for the request,
* or forward it through the write buffer.
* @param pkt The request that missed in the cache.
@@ -289,7 +267,7 @@ class MissQueue
* @warning Currently only searches the miss queue. If non write allocate
* might need to search the write buffer for coherence.
*/
- MSHR* findMSHR(Addr addr) const;
+ MSHR* findMSHR(Addr addr);
/**
* Searches for the supplied address in the write buffer.
@@ -298,7 +276,7 @@ class MissQueue
* @param writes The list of writes that match the address.
* @return True if any writes are found
*/
- bool findWrites(Addr addr, std::vector<MSHR*>& writes) const;
+ bool findWrites(Addr addr, std::vector<MSHR*>& writes);
/**
* Perform a writeback of dirty data to the given address.
diff --git a/src/mem/cache/prefetch/ghb_prefetcher.cc b/src/mem/cache/prefetch/ghb_prefetcher.cc
index 247ec6e8b..a6c419113 100644
--- a/src/mem/cache/prefetch/ghb_prefetcher.cc
+++ b/src/mem/cache/prefetch/ghb_prefetcher.cc
@@ -38,17 +38,11 @@
#include "mem/cache/tags/lru.hh"
-#include "base/compression/null_compression.hh"
-
-#include "mem/cache/miss/miss_queue.hh"
-#include "mem/cache/miss/blocking_buffer.hh"
-
#include "mem/cache/prefetch/ghb_prefetcher.hh"
// Template Instantiations
#ifndef DOXYGEN_SHOULD_SKIP_THIS
-template class GHBPrefetcher<CacheTags<LRU,NullCompression>, MissQueue>;
-template class GHBPrefetcher<CacheTags<LRU,NullCompression>, BlockingBuffer>;
+template class GHBPrefetcher<CacheTags<LRU> >;
#endif //DOXYGEN_SHOULD_SKIP_THIS
diff --git a/src/mem/cache/prefetch/ghb_prefetcher.hh b/src/mem/cache/prefetch/ghb_prefetcher.hh
index 14f5747df..c558a3e64 100644
--- a/src/mem/cache/prefetch/ghb_prefetcher.hh
+++ b/src/mem/cache/prefetch/ghb_prefetcher.hh
@@ -43,16 +43,16 @@
/**
* A template-policy based cache. The behavior of the cache can be altered by
* supplying different template policies. TagStore handles all tag and data
- * storage @sa TagStore. Buffering handles all misses and writes/writebacks
+ * storage @sa TagStore. MissBuffer handles all misses and writes/writebacks
* @sa MissQueue. Coherence handles all coherence policy details @sa
* UniCoherence, SimpleMultiCoherence.
*/
-template <class TagStore, class Buffering>
-class GHBPrefetcher : public Prefetcher<TagStore, Buffering>
+template <class TagStore>
+class GHBPrefetcher : public Prefetcher<TagStore>
{
protected:
- Buffering* mq;
+ MissBuffer* mq;
TagStore* tags;
Addr second_last_miss_addr[64/*MAX_CPUS*/];
@@ -67,7 +67,7 @@ class GHBPrefetcher : public Prefetcher<TagStore, Buffering>
GHBPrefetcher(int size, bool pageStop, bool serialSquash,
bool cacheCheckPush, bool onlyData,
Tick latency, int degree, bool useCPUId)
- :Prefetcher<TagStore, Buffering>(size, pageStop, serialSquash,
+ :Prefetcher<TagStore>(size, pageStop, serialSquash,
cacheCheckPush, onlyData),
latency(latency), degree(degree), useCPUId(useCPUId)
{
diff --git a/src/mem/cache/prefetch/stride_prefetcher.cc b/src/mem/cache/prefetch/stride_prefetcher.cc
index 93a096468..2204871cc 100644
--- a/src/mem/cache/prefetch/stride_prefetcher.cc
+++ b/src/mem/cache/prefetch/stride_prefetcher.cc
@@ -38,17 +38,11 @@
#include "mem/cache/tags/lru.hh"
-#include "base/compression/null_compression.hh"
-
-#include "mem/cache/miss/miss_queue.hh"
-#include "mem/cache/miss/blocking_buffer.hh"
-
#include "mem/cache/prefetch/stride_prefetcher.hh"
// Template Instantiations
#ifndef DOXYGEN_SHOULD_SKIP_THIS
-template class StridePrefetcher<CacheTags<LRU,NullCompression>, MissQueue>;
-template class StridePrefetcher<CacheTags<LRU,NullCompression>, BlockingBuffer>;
+template class StridePrefetcher<CacheTags<LRU> >;
#endif //DOXYGEN_SHOULD_SKIP_THIS
diff --git a/src/mem/cache/prefetch/stride_prefetcher.hh b/src/mem/cache/prefetch/stride_prefetcher.hh
index d6fb8ab66..57e430400 100644
--- a/src/mem/cache/prefetch/stride_prefetcher.hh
+++ b/src/mem/cache/prefetch/stride_prefetcher.hh
@@ -43,16 +43,16 @@
/**
* A template-policy based cache. The behavior of the cache can be altered by
* supplying different template policies. TagStore handles all tag and data
- * storage @sa TagStore. Buffering handles all misses and writes/writebacks
+ * storage @sa TagStore. MissBuffer handles all misses and writes/writebacks
* @sa MissQueue. Coherence handles all coherence policy details @sa
* UniCoherence, SimpleMultiCoherence.
*/
-template <class TagStore, class Buffering>
-class StridePrefetcher : public Prefetcher<TagStore, Buffering>
+template <class TagStore>
+class StridePrefetcher : public Prefetcher<TagStore>
{
protected:
- Buffering* mq;
+ MissBuffer* mq;
TagStore* tags;
class strideEntry
@@ -84,7 +84,7 @@ class StridePrefetcher : public Prefetcher<TagStore, Buffering>
StridePrefetcher(int size, bool pageStop, bool serialSquash,
bool cacheCheckPush, bool onlyData,
Tick latency, int degree, bool useCPUId)
- :Prefetcher<TagStore, Buffering>(size, pageStop, serialSquash,
+ :Prefetcher<TagStore>(size, pageStop, serialSquash,
cacheCheckPush, onlyData),
latency(latency), degree(degree), useCPUId(useCPUId)
{
diff --git a/src/mem/cache/prefetch/tagged_prefetcher.hh b/src/mem/cache/prefetch/tagged_prefetcher.hh
index b61e57dcc..dc2aaec50 100644
--- a/src/mem/cache/prefetch/tagged_prefetcher.hh
+++ b/src/mem/cache/prefetch/tagged_prefetcher.hh
@@ -41,16 +41,16 @@
/**
* A template-policy based cache. The behavior of the cache can be altered by
* supplying different template policies. TagStore handles all tag and data
- * storage @sa TagStore. Buffering handles all misses and writes/writebacks
+ * storage @sa TagStore. MissBuffer handles all misses and writes/writebacks
* @sa MissQueue. Coherence handles all coherence policy details @sa
* UniCoherence, SimpleMultiCoherence.
*/
-template <class TagStore, class Buffering>
-class TaggedPrefetcher : public Prefetcher<TagStore, Buffering>
+template <class TagStore>
+class TaggedPrefetcher : public Prefetcher<TagStore>
{
protected:
- Buffering* mq;
+ MissBuffer* mq;
TagStore* tags;
Tick latency;
diff --git a/src/mem/cache/prefetch/tagged_prefetcher_impl.hh b/src/mem/cache/prefetch/tagged_prefetcher_impl.hh
index a18de4571..b3d4284c7 100644
--- a/src/mem/cache/prefetch/tagged_prefetcher_impl.hh
+++ b/src/mem/cache/prefetch/tagged_prefetcher_impl.hh
@@ -36,20 +36,20 @@
#include "arch/isa_traits.hh"
#include "mem/cache/prefetch/tagged_prefetcher.hh"
-template <class TagStore, class Buffering>
-TaggedPrefetcher<TagStore, Buffering>::
+template <class TagStore>
+TaggedPrefetcher<TagStore>::
TaggedPrefetcher(int size, bool pageStop, bool serialSquash,
bool cacheCheckPush, bool onlyData,
Tick latency, int degree)
- :Prefetcher<TagStore, Buffering>(size, pageStop, serialSquash,
+ :Prefetcher<TagStore>(size, pageStop, serialSquash,
cacheCheckPush, onlyData),
latency(latency), degree(degree)
{
}
-template <class TagStore, class Buffering>
+template <class TagStore>
void
-TaggedPrefetcher<TagStore, Buffering>::
+TaggedPrefetcher<TagStore>::
calculatePrefetch(PacketPtr &pkt, std::list<Addr> &addresses,
std::list<Tick> &delays)
{
diff --git a/src/python/m5/objects/Repl.py b/src/python/m5/objects/Repl.py
index 10892cf6f..b76aa1d6e 100644
--- a/src/python/m5/objects/Repl.py
+++ b/src/python/m5/objects/Repl.py
@@ -6,6 +6,6 @@ class Repl(SimObject):
class GenRepl(Repl):
type = 'GenRepl'
- fresh_res = Param.Int("associativity")
- num_pools = Param.Int("capacity in bytes")
- pool_res = Param.Int("block size in bytes")
+ fresh_res = Param.Int("Fresh pool residency time")
+ num_pools = Param.Int("Number of priority pools")
+ pool_res = Param.Int("Pool residency time")
diff --git a/src/python/m5/params.py b/src/python/m5/params.py
index 9e5f985c3..d83d5f73f 100644
--- a/src/python/m5/params.py
+++ b/src/python/m5/params.py
@@ -237,6 +237,12 @@ class NumericParamValue(ParamValue):
def __float__(self):
return float(self.value)
+ def __long__(self):
+ return long(self.value)
+
+ def __int__(self):
+ return int(self.value)
+
# hook for bounds checking
def _check(self):
return
@@ -308,8 +314,11 @@ class CheckedInt(NumericParamValue):
def __init__(self, value):
if isinstance(value, str):
self.value = convert.toInteger(value)
- elif isinstance(value, (int, long, float)):
+ elif isinstance(value, (int, long, float, NumericParamValue)):
self.value = long(value)
+ else:
+ raise TypeError, "Can't convert object of type %s to CheckedInt" \
+ % type(value).__name__
self._check()
class Int(CheckedInt): cxx_type = 'int'; size = 32; unsigned = False