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authorSteve Reinhardt <stever@eecs.umich.edu>2003-10-10 09:57:26 -0700
committerSteve Reinhardt <stever@eecs.umich.edu>2003-10-10 09:57:26 -0700
commit52b31ea0a6a15b4a88530cfe411224d750e37899 (patch)
tree6315a9be6545c32bbe975095b1803f156bbcebd1 /sim/cache/lzss_compression.hh
parent9e7f6da14195f00333df22a77ca4ed8d62bf8140 (diff)
downloadgem5-52b31ea0a6a15b4a88530cfe411224d750e37899.tar.xz
File moves for the reorg. Tree is in broken state until I commit the makefile and
#include changes. --HG-- rename : sim/cache/lzss_compression.cc => base/compression/lzss_compression.cc rename : sim/cache/lzss_compression.hh => base/compression/lzss_compression.hh rename : sim/cache/null_compression.hh => base/compression/null_compression.hh rename : sim/hybrid_pred.cc => base/hybrid_pred.cc rename : sim/hybrid_pred.hh => base/hybrid_pred.hh rename : base/aout_object.cc => base/loader/aout_object.cc rename : base/aout_object.hh => base/loader/aout_object.hh rename : base/coff_sym.h => base/loader/coff_sym.h rename : base/coff_symconst.h => base/loader/coff_symconst.h rename : base/ecoff_object.cc => base/loader/ecoff_object.cc rename : base/ecoff_object.hh => base/loader/ecoff_object.hh rename : base/elf_object.cc => base/loader/elf_object.cc rename : base/elf_object.hh => base/loader/elf_object.hh rename : base/exec_aout.h => base/loader/exec_aout.h rename : base/exec_ecoff.h => base/loader/exec_ecoff.h rename : base/object_file.cc => base/loader/object_file.cc rename : base/object_file.hh => base/loader/object_file.hh rename : base/symtab.cc => base/loader/symtab.cc rename : base/symtab.hh => base/loader/symtab.hh rename : sim/predictor.hh => base/predictor.hh rename : sim/sat_counter.cc => base/sat_counter.cc rename : sim/sat_counter.hh => base/sat_counter.hh rename : sim/base_cpu.cc => cpu/base_cpu.cc rename : sim/base_cpu.hh => cpu/base_cpu.hh rename : sim/exec_context.cc => cpu/exec_context.cc rename : sim/exec_context.hh => cpu/exec_context.hh rename : sim/exetrace.cc => cpu/exetrace.cc rename : sim/exetrace.hh => cpu/exetrace.hh rename : sim/op_class.hh => cpu/full_cpu/op_class.hh rename : sim/smt.hh => cpu/full_cpu/smt.hh rename : sim/inst_seq.hh => cpu/inst_seq.hh rename : sim/intr_control.cc => cpu/intr_control.cc rename : sim/intr_control.hh => cpu/intr_control.hh rename : sim/memtest.cc => cpu/memtest/memtest.cc rename : sim/memtest.hh => cpu/memtest/memtest.hh rename : sim/pc_event.cc => cpu/pc_event.cc rename : sim/pc_event.hh => cpu/pc_event.hh rename : sim/simple_cpu.cc => cpu/simple_cpu/simple_cpu.cc rename : sim/simple_cpu.hh => cpu/simple_cpu/simple_cpu.hh rename : sim/static_inst.cc => cpu/static_inst.cc rename : sim/static_inst.hh => cpu/static_inst.hh extra : convert_revision : 05bd41acb2a424f1a38609fd4ac6df681bb479d6
Diffstat (limited to 'sim/cache/lzss_compression.hh')
-rw-r--r--sim/cache/lzss_compression.hh100
1 files changed, 0 insertions, 100 deletions
diff --git a/sim/cache/lzss_compression.hh b/sim/cache/lzss_compression.hh
deleted file mode 100644
index 5fb47d3f1..000000000
--- a/sim/cache/lzss_compression.hh
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * Copyright (c) 2003 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.
- */
-
-#ifndef __LZSS_COMPRESSION_HH__
-#define __LZSS_COMPRESSION_HH__
-
-/** @file
- * LZSSCompression declarations.
- */
-
-#include "host.hh" // for uint8_t
-
-/**
- * Simple LZSS compression scheme.
- */
-class LZSSCompression
-{
- /**
- * Finds the longest substrings that start at the given offsets.
- * @param src The source block that we search for substrings.
- * @param front The smaller offset.
- * @param back The larger offset.
- * @param size The size of the source block.
- * @return The size of the longest substring.
- */
- int findSubString(uint8_t *src, int front, int back, int size);
-
- /**
- * Emit an encoded byte to the compressed data array. If the 2 high
- * order bits can be signed extended, use 1 byte encoding, if not use 2
- * bytes.
- * @param dest The compressed data.
- * @param byte The byte to emit.
- * @return The number of bytes used to encode.
- */
- int emitByte(uint8_t *dest, uint8_t byte);
-
- /**
- * Emit a string reference to the compressed data array. A string reference
- * always uses 3 bytes. 1 flag bit, 12 bits for the starting position, and
- * 11 bits for the length of the string. This allows compression of 4096
- * byte blocks with string lengths of up to 2048 bytes.
- * @param dest The compressed data.
- * @param P The starting position in the uncompressed data.
- * @param L The length in bytes of the string.
- */
- void emitString(uint8_t *dest, uint16_t P, uint16_t L);
-
- public:
- /**
- * Compresses the source block and stores it in the destination block. If
- * the compressed block grows to larger than the source block, it aborts
- * and just performs a copy.
- * @param dest The destination block.
- * @param src The block to be compressed.
- * @param size The size of the source block.
- * @return The size of the compressed block.
- *
- * @pre Destination has enough storage to hold the compressed block.
- */
- int compress(uint8_t *dest, uint8_t *src, int size);
-
- /**
- * Unompresses the source block and stores it in the destination block.
- * @param dest The destination block.
- * @param src The block to be uncompressed.
- * @param size The size of the source block.
- * @return The size of the uncompressed block.
- *
- * @pre Destination has enough storage to hold the uncompressed block.
- */
- int uncompress(uint8_t *dest, uint8_t *src, int size);
-};
-
-#endif //__LZSS_COMPRESSION_HH__