Remove RCS Id string arch/alpha/alpha_linux_process.cc: arch/alpha/alpha_memory.cc: arch/alpha/alpha_memory.hh: arch/alpha/alpha_tru64_process.cc: arch/alpha/aout_machdep.h: arch/alpha/arguments.cc: arch/alpha/arguments.hh: arch/alpha/ecoff_machdep.h: arch/isa_parser.py: arch/alpha/ev5.cc: arch/alpha/ev5.hh: arch/alpha/faults.cc: arch/alpha/faults.hh: arch/alpha/isa_traits.hh: arch/alpha/osfpal.cc: arch/alpha/osfpal.hh: arch/alpha/pseudo_inst.cc: arch/alpha/pseudo_inst.hh: arch/alpha/vptr.hh: arch/alpha/vtophys.cc: arch/alpha/vtophys.hh: base/bitfield.hh: base/callback.hh: base/circlebuf.cc: base/circlebuf.hh: base/cprintf.cc: base/cprintf.hh: base/cprintf_formats.hh: base/crc.cc: base/crc.hh: base/date.cc: base/dbl_list.hh: base/endian.hh: base/fast_alloc.cc: base/fast_alloc.hh: base/fifo_buffer.cc: base/fifo_buffer.hh: base/hashmap.hh: base/hostinfo.cc: base/hostinfo.hh: base/hybrid_pred.cc: base/hybrid_pred.hh: base/inet.cc: base/inet.hh: base/inifile.cc: base/inifile.hh: base/intmath.cc: base/intmath.hh: base/kgdb.h: base/match.cc: base/match.hh: base/misc.cc: base/misc.hh: base/mod_num.hh: base/mysql.cc: base/mysql.hh: base/output.cc: base/output.hh: base/pollevent.cc: base/pollevent.hh: base/predictor.hh: base/random.cc: base/random.hh: base/range.cc: base/range.hh: base/refcnt.hh: base/remote_gdb.cc: base/remote_gdb.hh: base/res_list.hh: base/sat_counter.cc: base/sat_counter.hh: base/sched_list.hh: base/socket.cc: base/socket.hh: base/statistics.cc: base/statistics.hh: base/compression/lzss_compression.cc: base/compression/lzss_compression.hh: base/compression/null_compression.hh: base/loader/aout_object.cc: base/loader/aout_object.hh: base/loader/coff_sym.h: base/loader/coff_symconst.h: base/loader/ecoff_object.cc: base/loader/ecoff_object.hh: base/loader/elf_object.cc: base/loader/elf_object.hh: base/loader/exec_aout.h: base/loader/exec_ecoff.h: base/loader/symtab.cc: base/loader/symtab.hh: base/stats/events.cc: base/stats/events.hh: base/stats/flags.hh: base/stats/mysql.cc: base/stats/mysql.hh: base/stats/mysql_run.hh: base/stats/output.hh: base/stats/statdb.cc: base/stats/statdb.hh: base/stats/text.cc: base/stats/text.hh: base/stats/types.hh: base/stats/visit.cc: base/stats/visit.hh: base/str.cc: base/str.hh: base/time.cc: base/time.hh: base/timebuf.hh: base/trace.cc: base/trace.hh: base/traceflags.py: base/userinfo.cc: base/userinfo.hh: cpu/base.cc: cpu/base.hh: cpu/base_dyn_inst.cc: cpu/base_dyn_inst.hh: cpu/exec_context.cc: cpu/exec_context.hh: cpu/exetrace.cc: cpu/exetrace.hh: cpu/inst_seq.hh: cpu/intr_control.cc: cpu/intr_control.hh: cpu/pc_event.cc: cpu/pc_event.hh: cpu/memtest/memtest.cc: cpu/memtest/memtest.hh: cpu/o3/2bit_local_pred.cc: cpu/o3/2bit_local_pred.hh: cpu/o3/alpha_cpu.cc: cpu/o3/alpha_cpu.hh: cpu/o3/alpha_cpu_builder.cc: cpu/o3/alpha_dyn_inst.cc: cpu/o3/alpha_dyn_inst.hh: cpu/o3/alpha_dyn_inst_impl.hh: cpu/o3/alpha_impl.hh: cpu/o3/alpha_params.hh: cpu/o3/bpred_unit.cc: cpu/o3/bpred_unit.hh: cpu/o3/bpred_unit_impl.hh: cpu/o3/btb.cc: cpu/o3/btb.hh: cpu/o3/comm.hh: cpu/o3/commit.cc: cpu/o3/commit.hh: cpu/o3/commit_impl.hh: cpu/o3/cpu.cc: cpu/o3/cpu.hh: cpu/o3/cpu_policy.hh: cpu/o3/decode.cc: cpu/o3/decode.hh: cpu/o3/decode_impl.hh: cpu/o3/fetch.cc: cpu/o3/fetch.hh: cpu/o3/fetch_impl.hh: cpu/o3/free_list.cc: cpu/o3/free_list.hh: cpu/o3/iew.cc: cpu/o3/iew.hh: cpu/o3/iew_impl.hh: cpu/o3/inst_queue.cc: cpu/o3/inst_queue.hh: cpu/o3/inst_queue_impl.hh: cpu/o3/mem_dep_unit.cc: cpu/o3/mem_dep_unit.hh: cpu/o3/mem_dep_unit_impl.hh: cpu/o3/ras.cc: cpu/o3/ras.hh: cpu/o3/regfile.hh: cpu/o3/rename.cc: cpu/o3/rename.hh: cpu/o3/rename_impl.hh: cpu/o3/rename_map.cc: cpu/o3/rename_map.hh: cpu/o3/rob.hh: cpu/o3/rob_impl.hh: cpu/o3/sat_counter.cc: cpu/o3/sat_counter.hh: cpu/o3/store_set.cc: cpu/o3/store_set.hh: cpu/o3/tournament_pred.cc: cpu/o3/tournament_pred.hh: cpu/ozone/cpu.hh: cpu/simple/cpu.cc: cpu/simple/cpu.hh: cpu/smt.hh: cpu/static_inst.cc: cpu/static_inst.hh: cpu/trace/opt_cpu.hh: cpu/trace/reader/ibm_reader.cc: cpu/trace/reader/ibm_reader.hh: cpu/trace/reader/itx_reader.cc: cpu/trace/reader/itx_reader.hh: cpu/trace/reader/m5_reader.cc: cpu/trace/reader/m5_reader.hh: cpu/trace/reader/mem_trace_reader.cc: cpu/trace/reader/mem_trace_reader.hh: cpu/trace/trace_cpu.cc: cpu/trace/trace_cpu.hh: dev/alpha_access.h: dev/alpha_console.cc: dev/alpha_console.hh: dev/baddev.cc: dev/baddev.hh: dev/disk_image.cc: dev/disk_image.hh: dev/etherbus.cc: dev/etherbus.hh: dev/etherdump.cc: dev/etherdump.hh: dev/etherint.cc: dev/etherint.hh: dev/etherlink.cc: dev/etherlink.hh: dev/etherpkt.cc: dev/etherpkt.hh: dev/ethertap.cc: dev/ethertap.hh: dev/ide_ctrl.cc: dev/ide_ctrl.hh: dev/ide_disk.cc: dev/ide_disk.hh: dev/io_device.cc: dev/io_device.hh: dev/ns_gige.cc: dev/ns_gige.hh: dev/ns_gige_reg.h: dev/pciconfigall.cc: dev/pciconfigall.hh: dev/pcidev.cc: dev/pcidev.hh: dev/pcireg.h: dev/pktfifo.cc: dev/pktfifo.hh: dev/platform.cc: dev/platform.hh: dev/simconsole.cc: dev/simconsole.hh: dev/simple_disk.cc: dev/simple_disk.hh: dev/sinic.cc: dev/sinic.hh: dev/sinicreg.hh: dev/tsunami.cc: dev/tsunami.hh: dev/tsunami_cchip.cc: dev/tsunami_cchip.hh: dev/tsunami_io.cc: dev/tsunami_io.hh: dev/tsunami_pchip.cc: dev/tsunami_pchip.hh: dev/uart.cc: dev/uart.hh: dev/uart8250.cc: dev/uart8250.hh: docs/stl.hh: encumbered/cpu/full/op_class.hh: kern/kernel_stats.cc: kern/kernel_stats.hh: kern/linux/linux.hh: kern/system_events.cc: kern/system_events.hh: kern/linux/linux_syscalls.cc: kern/linux/linux_syscalls.hh: kern/linux/linux_system.cc: kern/linux/linux_system.hh: kern/linux/printk.cc: kern/linux/printk.hh: kern/tru64/dump_mbuf.cc: kern/tru64/dump_mbuf.hh: kern/tru64/mbuf.hh: kern/tru64/printf.cc: kern/tru64/printf.hh: kern/tru64/tru64.hh: kern/tru64/tru64_events.cc: kern/tru64/tru64_events.hh: kern/tru64/tru64_syscalls.cc: kern/tru64/tru64_syscalls.hh: kern/tru64/tru64_system.cc: kern/tru64/tru64_system.hh: sim/async.hh: sim/builder.cc: sim/builder.hh: sim/debug.cc: sim/debug.hh: sim/eventq.cc: sim/eventq.hh: sim/host.hh: sim/main.cc: sim/param.cc: sim/param.hh: sim/root.cc: sim/serialize.cc: sim/serialize.hh: sim/sim_events.cc: sim/sim_events.hh: sim/sim_exit.hh: sim/sim_object.cc: sim/sim_object.hh: sim/startup.cc: sim/startup.hh: sim/stat_control.cc: sim/stat_control.hh: sim/stats.hh: sim/syscall_emul.cc: sim/syscall_emul.hh: sim/system.cc: sim/system.hh: test/Makefile: test/bitvectest.cc: test/circletest.cc: test/cprintftest.cc: test/initest.cc: test/lru_test.cc: test/nmtest.cc: test/offtest.cc: test/paramtest.cc: test/rangetest.cc: test/sized_test.cc: test/stattest.cc: test/strnumtest.cc: test/symtest.cc: test/tokentest.cc: test/tracetest.cc: util/m5/m5.c: util/m5/m5op.h: util/m5/m5op.s: util/tap/Makefile: util/tap/tap.cc: util/term/Makefile: util/term/term.c: Remove RCS Id string --HG-- extra : convert_revision : fc5b0a6ee2a213785bd58c51ce82eb2f769d6b88
115 lines
3.6 KiB
C++
115 lines
3.6 KiB
C++
/*
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* Copyright (c) 1988, 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sstream>
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#include <string>
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#include "sim/host.hh"
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#include "base/crc.hh"
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#define ETHER_CRC_POLY_LE 0xedb88320
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#define ETHER_CRC_POLY_BE 0x04c11db6
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#if 0
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/*
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* This is for reference. We have a table-driven version
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* of the little-endian crc32 generator, which is faster
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* than the double-loop.
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*/
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uint32_t
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crc32le(const uint8_t *buf, size_t len)
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{
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uint32_t c, crc, carry;
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size_t i, j;
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crc = 0xffffffffU; /* initial value */
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for (i = 0; i < len; i++) {
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c = buf[i];
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for (j = 0; j < 8; j++) {
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carry = ((crc & 0x01) ? 1 : 0) ^ (c & 0x01);
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crc >>= 1;
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c >>= 1;
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if (carry)
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crc = (crc ^ ETHER_CRC_POLY_LE);
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}
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}
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return (crc);
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}
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#else
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uint32_t
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crc32le(const uint8_t *buf, size_t len)
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{
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static const uint32_t crctab[] = {
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0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac,
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0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c,
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0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c,
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0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c
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};
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uint32_t crc;
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int i;
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crc = 0xffffffffU; /* initial value */
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for (i = 0; i < len; i++) {
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crc ^= buf[i];
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crc = (crc >> 4) ^ crctab[crc & 0xf];
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crc = (crc >> 4) ^ crctab[crc & 0xf];
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}
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return (crc);
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}
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#endif
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uint32_t
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crc32be(const uint8_t *buf, size_t len)
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{
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uint32_t c, crc, carry;
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size_t i, j;
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crc = 0xffffffffU; /* initial value */
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for (i = 0; i < len; i++) {
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c = buf[i];
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for (j = 0; j < 8; j++) {
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carry = ((crc & 0x80000000U) ? 1 : 0) ^ (c & 0x01);
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crc <<= 1;
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c >>= 1;
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if (carry)
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crc = (crc ^ ETHER_CRC_POLY_BE) | carry;
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}
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}
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return (crc);
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}
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