gem5/src/dev/pktfifo.cc

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/*
Many files: Update copyright dates and author list SConscript: arch/alpha/alpha_linux_process.cc: arch/alpha/alpha_linux_process.hh: arch/alpha/alpha_memory.cc: arch/alpha/alpha_memory.hh: arch/alpha/alpha_tru64_process.cc: arch/alpha/alpha_tru64_process.hh: arch/alpha/aout_machdep.h: arch/alpha/arguments.cc: arch/alpha/arguments.hh: arch/alpha/ev5.cc: arch/alpha/ev5.hh: arch/alpha/faults.cc: arch/alpha/faults.hh: arch/alpha/isa_desc: 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.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/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/ecoff_object.cc: base/loader/ecoff_object.hh: base/loader/elf_object.cc: base/loader/elf_object.hh: base/loader/object_file.cc: base/loader/object_file.hh: 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/userinfo.cc: base/userinfo.hh: build/SConstruct: 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/memtest/memtest.cc: cpu/pc_event.cc: cpu/pc_event.hh: cpu/smt.hh: cpu/static_inst.cc: cpu/static_inst.hh: cpu/memtest/memtest.hh: cpu/o3/sat_counter.cc: cpu/o3/sat_counter.hh: cpu/ozone/cpu.hh: cpu/simple/cpu.cc: cpu/simple/cpu.hh: cpu/trace/opt_cpu.cc: 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/tsunamireg.h: 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/linux/linux_syscalls.cc: kern/linux/linux_syscalls.hh: kern/linux/linux_system.cc: kern/linux/linux_system.hh: kern/linux/linux_threadinfo.hh: kern/linux/printk.cc: kern/linux/printk.hh: kern/system_events.cc: kern/system_events.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: python/SConscript: python/m5/__init__.py: python/m5/config.py: python/m5/convert.py: python/m5/multidict.py: python/m5/smartdict.py: 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/process.cc: sim/process.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/bitvectest.cc: test/circletest.cc: test/cprintftest.cc: test/genini.py: 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/ccdrv/devtime.c: util/m5/m5.c: util/oprofile-top.py: util/rundiff: util/m5/m5op.h: util/m5/m5op.s: util/stats/db.py: util/stats/dbinit.py: util/stats/display.py: util/stats/info.py: util/stats/print.py: util/stats/stats.py: util/tap/tap.cc: Update copyright dates and author list --HG-- extra : convert_revision : 0faba08fc0fc0146f1efb7f61e4b043c020ff9e4
2005-06-05 11:16:00 +02:00
* Copyright (c) 2004-2005 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: Nathan Binkert
*/
#include "base/misc.hh"
#include "dev/pktfifo.hh"
using namespace std;
bool
PacketFifo::copyout(void *dest, int offset, int len)
{
char *data = (char *)dest;
if (offset + len >= size())
return false;
Mostly done with all device models for new memory system. Still need to get timing packets working and get sinic working after merge from head. Checkpointing may need some work now. Endian-happiness still not complete. SConscript: add all devices back into make file base/inet.hh: dev/etherbus.cc: dev/etherbus.hh: dev/etherdump.cc: dev/etherdump.hh: dev/etherint.hh: dev/etherlink.cc: dev/etherlink.hh: dev/etherpkt.cc: dev/etherpkt.hh: dev/ethertap.cc: dev/ethertap.hh: dev/pktfifo.cc: dev/pktfifo.hh: rename PacketPtr EthPacketPtr so it doesn't conflict with the PacketPtr type in the memory system configs/test/fs.py: add nics to fs.py cpu/cpu_exec_context.cc: remove this check, as it's not valid. We may want to add something else back in to make sure that no one can delete the static virtual ports in the exec context cpu/simple/cpu.cc: cpu/simple/cpu.hh: dev/alpha_console.cc: dev/ide_ctrl.cc: use new methods for accessing packet data dev/ide_disk.cc: add some more dprintfs dev/io_device.cc: delete packets when we are done with them. Update for new packet methods to access data dev/isa_fake.cc: dev/pciconfigall.cc: dev/tsunami_cchip.cc: dev/tsunami_io.cc: dev/tsunami_pchip.cc: dev/uart8250.cc: dev/uart8250.hh: mem/physical.cc: mem/port.cc: dUpdate for new packet methods to access data dev/ns_gige.cc: Update for new memory system dev/ns_gige.hh: python/m5/objects/Ethernet.py: update for new memory system dev/sinic.cc: dev/sinic.hh: Update for new memory system. Untested as need to merge in head because of kernel driver differences between versions mem/packet.hh: Add methods to access data instead of accessing it directly. --HG-- extra : convert_revision : 223f43876afd404e68337270cd9a5e44d0bf553e
2006-04-25 01:31:50 +02:00
list<EthPacketPtr>::iterator p = fifo.begin();
list<EthPacketPtr>::iterator end = fifo.end();
while (len > 0) {
while (offset >= (*p)->length) {
offset -= (*p)->length;
++p;
}
if (p == end)
panic("invalid fifo");
int size = min((*p)->length - offset, len);
memcpy(data, (*p)->data, size);
offset = 0;
len -= size;
data += size;
++p;
}
return true;
}
void
PacketFifo::serialize(const string &base, ostream &os)
{
paramOut(os, base + ".size", _size);
paramOut(os, base + ".maxsize", _maxsize);
paramOut(os, base + ".reserved", _reserved);
paramOut(os, base + ".packets", fifo.size());
int i = 0;
Mostly done with all device models for new memory system. Still need to get timing packets working and get sinic working after merge from head. Checkpointing may need some work now. Endian-happiness still not complete. SConscript: add all devices back into make file base/inet.hh: dev/etherbus.cc: dev/etherbus.hh: dev/etherdump.cc: dev/etherdump.hh: dev/etherint.hh: dev/etherlink.cc: dev/etherlink.hh: dev/etherpkt.cc: dev/etherpkt.hh: dev/ethertap.cc: dev/ethertap.hh: dev/pktfifo.cc: dev/pktfifo.hh: rename PacketPtr EthPacketPtr so it doesn't conflict with the PacketPtr type in the memory system configs/test/fs.py: add nics to fs.py cpu/cpu_exec_context.cc: remove this check, as it's not valid. We may want to add something else back in to make sure that no one can delete the static virtual ports in the exec context cpu/simple/cpu.cc: cpu/simple/cpu.hh: dev/alpha_console.cc: dev/ide_ctrl.cc: use new methods for accessing packet data dev/ide_disk.cc: add some more dprintfs dev/io_device.cc: delete packets when we are done with them. Update for new packet methods to access data dev/isa_fake.cc: dev/pciconfigall.cc: dev/tsunami_cchip.cc: dev/tsunami_io.cc: dev/tsunami_pchip.cc: dev/uart8250.cc: dev/uart8250.hh: mem/physical.cc: mem/port.cc: dUpdate for new packet methods to access data dev/ns_gige.cc: Update for new memory system dev/ns_gige.hh: python/m5/objects/Ethernet.py: update for new memory system dev/sinic.cc: dev/sinic.hh: Update for new memory system. Untested as need to merge in head because of kernel driver differences between versions mem/packet.hh: Add methods to access data instead of accessing it directly. --HG-- extra : convert_revision : 223f43876afd404e68337270cd9a5e44d0bf553e
2006-04-25 01:31:50 +02:00
list<EthPacketPtr>::iterator p = fifo.begin();
list<EthPacketPtr>::iterator end = fifo.end();
while (p != end) {
(*p)->serialize(csprintf("%s.packet%d", base, i), os);
++p;
++i;
}
}
void
PacketFifo::unserialize(const string &base, Checkpoint *cp,
const string &section)
{
paramIn(cp, section, base + ".size", _size);
// paramIn(cp, section, base + ".maxsize", _maxsize);
paramIn(cp, section, base + ".reserved", _reserved);
int fifosize;
paramIn(cp, section, base + ".packets", fifosize);
fifo.clear();
for (int i = 0; i < fifosize; ++i) {
Mostly done with all device models for new memory system. Still need to get timing packets working and get sinic working after merge from head. Checkpointing may need some work now. Endian-happiness still not complete. SConscript: add all devices back into make file base/inet.hh: dev/etherbus.cc: dev/etherbus.hh: dev/etherdump.cc: dev/etherdump.hh: dev/etherint.hh: dev/etherlink.cc: dev/etherlink.hh: dev/etherpkt.cc: dev/etherpkt.hh: dev/ethertap.cc: dev/ethertap.hh: dev/pktfifo.cc: dev/pktfifo.hh: rename PacketPtr EthPacketPtr so it doesn't conflict with the PacketPtr type in the memory system configs/test/fs.py: add nics to fs.py cpu/cpu_exec_context.cc: remove this check, as it's not valid. We may want to add something else back in to make sure that no one can delete the static virtual ports in the exec context cpu/simple/cpu.cc: cpu/simple/cpu.hh: dev/alpha_console.cc: dev/ide_ctrl.cc: use new methods for accessing packet data dev/ide_disk.cc: add some more dprintfs dev/io_device.cc: delete packets when we are done with them. Update for new packet methods to access data dev/isa_fake.cc: dev/pciconfigall.cc: dev/tsunami_cchip.cc: dev/tsunami_io.cc: dev/tsunami_pchip.cc: dev/uart8250.cc: dev/uart8250.hh: mem/physical.cc: mem/port.cc: dUpdate for new packet methods to access data dev/ns_gige.cc: Update for new memory system dev/ns_gige.hh: python/m5/objects/Ethernet.py: update for new memory system dev/sinic.cc: dev/sinic.hh: Update for new memory system. Untested as need to merge in head because of kernel driver differences between versions mem/packet.hh: Add methods to access data instead of accessing it directly. --HG-- extra : convert_revision : 223f43876afd404e68337270cd9a5e44d0bf553e
2006-04-25 01:31:50 +02:00
EthPacketPtr p = new EthPacketData(16384);
p->unserialize(csprintf("%s.packet%d", base, i), cp, section);
fifo.push_back(p);
}
}