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2018-04-17ps2: Unify constant namesAndreas Sandberg
Move ps2.hh to dev/ps2/types.hh and update the device models to consistently use well-known constants from this header. Change-Id: Iadfdc774495957beb82f3d341107b1e9232ffd4c Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-on: https://gem5-review.googlesource.com/9770 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2017-11-08dev: Move generic serial devices to src/dev/serialAndreas Sandberg
Change-Id: I104227fc460f8b561e7375b329a541c1fce881b2 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-on: https://gem5-review.googlesource.com/4291 Reviewed-by: Gabe Black <gabeblack@google.com>
2017-11-08dev: Refactor UART->Terminal interfaceAndreas Sandberg
The UART models currently assume that they are always wired to a terminal. While true at the moment, this isn't necessarily a valid assumption. This change introduces the SerialDevice class that defines the interface for serial devices. Currently, Terminal is the only class that implements this interface. Change-Id: I74fefafbbaf5ac1ec0d4ec0b5a0f4b246fdad305 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-on: https://gem5-review.googlesource.com/4289 Reviewed-by: Gabe Black <gabeblack@google.com>
2016-12-19dev: Include DmaDevice in NULL buildsAndreas Sandberg
Builds for the NULL ISA include Device.py, which contains the Python declaration of DmaDevice, but don't include the actual C++ implementation. Add dma_device.cc to the NULL build to the Python and C++ worlds consistent again. Change-Id: I47a57181a1f4d5a7276467678bf16fbc7f161681 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Sascha Bischoff <sascha.bischoff@arm.com>
2015-12-10dev: Move storage devices to src/dev/storage/Andreas Sandberg
Move the IDE controller and the disk implementations to src/dev/storage. --HG-- rename : src/dev/DiskImage.py => src/dev/storage/DiskImage.py rename : src/dev/Ide.py => src/dev/storage/Ide.py rename : src/dev/SimpleDisk.py => src/dev/storage/SimpleDisk.py rename : src/dev/disk_image.cc => src/dev/storage/disk_image.cc rename : src/dev/disk_image.hh => src/dev/storage/disk_image.hh rename : src/dev/ide_atareg.h => src/dev/storage/ide_atareg.h rename : src/dev/ide_ctrl.cc => src/dev/storage/ide_ctrl.cc rename : src/dev/ide_ctrl.hh => src/dev/storage/ide_ctrl.hh rename : src/dev/ide_disk.cc => src/dev/storage/ide_disk.cc rename : src/dev/ide_disk.hh => src/dev/storage/ide_disk.hh rename : src/dev/ide_wdcreg.h => src/dev/storage/ide_wdcreg.h rename : src/dev/simple_disk.cc => src/dev/storage/simple_disk.cc rename : src/dev/simple_disk.hh => src/dev/storage/simple_disk.hh
2015-12-10dev: Move network devices to src/dev/net/Andreas Sandberg
--HG-- rename : src/dev/Ethernet.py => src/dev/net/Ethernet.py rename : src/dev/etherbus.cc => src/dev/net/etherbus.cc rename : src/dev/etherbus.hh => src/dev/net/etherbus.hh rename : src/dev/etherdevice.cc => src/dev/net/etherdevice.cc rename : src/dev/etherdevice.hh => src/dev/net/etherdevice.hh rename : src/dev/etherdump.cc => src/dev/net/etherdump.cc rename : src/dev/etherdump.hh => src/dev/net/etherdump.hh rename : src/dev/etherint.cc => src/dev/net/etherint.cc rename : src/dev/etherint.hh => src/dev/net/etherint.hh rename : src/dev/etherlink.cc => src/dev/net/etherlink.cc rename : src/dev/etherlink.hh => src/dev/net/etherlink.hh rename : src/dev/etherobject.hh => src/dev/net/etherobject.hh rename : src/dev/etherpkt.cc => src/dev/net/etherpkt.cc rename : src/dev/etherpkt.hh => src/dev/net/etherpkt.hh rename : src/dev/ethertap.cc => src/dev/net/ethertap.cc rename : src/dev/ethertap.hh => src/dev/net/ethertap.hh rename : src/dev/i8254xGBe.cc => src/dev/net/i8254xGBe.cc rename : src/dev/i8254xGBe.hh => src/dev/net/i8254xGBe.hh rename : src/dev/i8254xGBe_defs.hh => src/dev/net/i8254xGBe_defs.hh rename : src/dev/multi_etherlink.cc => src/dev/net/multi_etherlink.cc rename : src/dev/multi_etherlink.hh => src/dev/net/multi_etherlink.hh rename : src/dev/multi_iface.cc => src/dev/net/multi_iface.cc rename : src/dev/multi_iface.hh => src/dev/net/multi_iface.hh rename : src/dev/multi_packet.cc => src/dev/net/multi_packet.cc rename : src/dev/multi_packet.hh => src/dev/net/multi_packet.hh rename : src/dev/ns_gige.cc => src/dev/net/ns_gige.cc rename : src/dev/ns_gige.hh => src/dev/net/ns_gige.hh rename : src/dev/ns_gige_reg.h => src/dev/net/ns_gige_reg.h rename : src/dev/pktfifo.cc => src/dev/net/pktfifo.cc rename : src/dev/pktfifo.hh => src/dev/net/pktfifo.hh rename : src/dev/sinic.cc => src/dev/net/sinic.cc rename : src/dev/sinic.hh => src/dev/net/sinic.hh rename : src/dev/sinicreg.hh => src/dev/net/sinicreg.hh rename : src/dev/tcp_iface.cc => src/dev/net/tcp_iface.cc rename : src/dev/tcp_iface.hh => src/dev/net/tcp_iface.hh
2015-12-10dev: Move i2c functionality to src/dev/i2c/Andreas Sandberg
--HG-- rename : src/dev/I2C.py => src/dev/i2c/I2C.py rename : src/dev/i2cbus.cc => src/dev/i2c/bus.cc rename : src/dev/i2cbus.hh => src/dev/i2c/bus.hh rename : src/dev/i2cdev.hh => src/dev/i2c/device.hh
2015-12-10dev: Move the CopyEngine class to src/dev/pciAndreas Sandberg
--HG-- rename : src/dev/CopyEngine.py => src/dev/pci/CopyEngine.py rename : src/dev/copy_engine.cc => src/dev/pci/copy_engine.cc rename : src/dev/copy_engine.hh => src/dev/pci/copy_engine.hh rename : src/dev/copy_engine_defs.hh => src/dev/pci/copy_engine_defs.hh
2015-12-10dev: Move existing PCI device functionality to src/dev/pciAndreas Sandberg
Move pcidev.(hh|cc) to src/dev/pci/device.(hh|cc) and update existing devices to use the new header location. This also renames the PCIDEV debug flag to have a capitalization that is consistent with the PCI host and other devices. --HG-- rename : src/dev/Pci.py => src/dev/pci/PciDevice.py rename : src/dev/pcidev.cc => src/dev/pci/device.cc rename : src/dev/pcidev.hh => src/dev/pci/device.hh rename : src/dev/pcireg.h => src/dev/pci/pcireg.h
2015-12-05dev: Rewrite PCI host functionalityAndreas Sandberg
The gem5's current PCI host functionality is very ad hoc. The current implementations require PCI devices to be hooked up to the configuration space via a separate configuration port. Devices query the platform to get their config-space address range. Un-mapped parts of the config space are intercepted using the XBar's default port mechanism and a magic catch-all device (PciConfigAll). This changeset redesigns the PCI host functionality to improve code reuse and make config-space and interrupt mapping more transparent. Existing platform code has been updated to use the new PCI host and configured to stay backwards compatible (i.e., no guest-side visible changes). The current implementation does not expose any new functionality, but it can easily be extended with features such as automatic interrupt mapping. PCI devices now register themselves with a PCI host controller. The host controller interface is defined in the abstract base class PciHost. Registration is done by PciHost::registerDevice() which takes the device, its bus position (bus/dev/func tuple), and its interrupt pin (INTA-INTC) as a parameter. The registration interface returns a PciHost::DeviceInterface that the PCI device can use to query memory mappings and signal interrupts. The host device manages the entire PCI configuration space. Accesses to devices decoded into the devices bus position and then forwarded to the correct device. Basic PCI host functionality is implemented in the GenericPciHost base class. Most platforms can use this class as a basic PCI controller. It provides the following functionality: * Configurable configuration space decoding. The number of bits dedicated to a device is a prameter, making it possible to support both CAM, ECAM, and legacy mappings. * Basic interrupt mapping using the interruptLine value from a device's configuration space. This behavior is the same as in the old implementation. More advanced controllers can override the interrupt mapping method to dynamically assign host interrupts to PCI devices. * Simple (base + addr) remapping from the PCI bus's address space to physical addresses for PIO, memory, and DMA.
2015-08-07dev: Implement a simple display timing generatorAndreas Sandberg
Timing generator for a pixel-based display. The timing generator is intended for display processors driving a standard rasterized display. The simplest possible display processor needs to derive from this class and override the nextPixel() method to feed the display with pixel data. Pixels are ordered relative to the top left corner of the display. Scan lines appear in the following order: * Vertical Sync (starting at line 0) * Vertical back porch * Visible lines * Vertical front porch Pixel order within a scan line: * Horizontal Sync * Horizontal Back Porch * Visible pixels * Horizontal Front Porch All events in the timing generator are automatically suspended on a drain() request and restarted on drainResume(). This is conceptually equivalent to clock gating when the pixel clock while the system is draining. By gating the pixel clock, we prevent display controllers from disturbing a memory system that is about to drain.
2015-07-15dev: add support for multi gem5 runsGabor Dozsa
Multi gem5 is an extension to gem5 to enable parallel simulation of a distributed system (e.g. simulation of a pool of machines connected by Ethernet links). A multi gem5 run consists of seperate gem5 processes running in parallel (potentially on different hosts/slots on a cluster). Each gem5 process executes the simulation of a component of the simulated distributed system (e.g. a multi-core board with an Ethernet NIC). The patch implements the "distributed" Ethernet link device (dev/src/multi_etherlink.[hh.cc]). This device will send/receive (simulated) Ethernet packets to/from peer gem5 processes. The interface to talk to the peer gem5 processes is defined in dev/src/multi_iface.hh and in tcp_iface.hh. There is also a central message server process (util/multi/tcp_server.[hh,cc]) which acts like an Ethernet switch and transfers messages among the gem5 peers. A multi gem5 simulations can be kicked off by the util/multi/gem5-multi.sh wrapper script. Checkpoints are supported by multi-gem5. The checkpoint must be initiated by a single gem5 process. E.g., the gem5 process with rank 0 can take a checkpoint from the bootscript just before it invokes 'mpirun' to launch an MPI test. The message server process will notify all the other peer gem5 processes and make them take a checkpoint, too (after completing a global synchronisation to ensure that there are no inflight messages among gem5).
2015-04-23dev: Add support for i2c devicesPeter Enns
This patch adds an I2C bus and base device. I2C is used to connect a variety of sensors, and this patch serves as a starting point to enable a range of I2C devices.
2014-02-18dev: Include basic devices in NULL ISA buildAndreas Hansson
This patch enbles use of the basic PIO devices as part of the NULL build. Although it might seem counter intuitive to have a PIO device without being able to execute a driver, this change enables us to break a device class hierarchy into an ISA-agnostic part, and an ISA-specific part, without requiring multiple-inheritance. The ISA-agnostic base class is a PIO device, but does not make use of the port.
2013-09-04arch: Resurrect the NOISA build target and rename it NULLAndreas Hansson
This patch makes it possible to once again build gem5 without any ISA. The main purpose is to enable work around the interconnect and memory system without having to build any CPU models or device models. The regress script is updated to include the NULL ISA target. Currently no regressions make use of it, but all the testers could (and perhaps should) transition to it. --HG-- rename : build_opts/NOISA => build_opts/NULL rename : src/arch/noisa/SConsopts => src/arch/null/SConsopts rename : src/arch/noisa/cpu_dummy.hh => src/arch/null/cpu_dummy.hh rename : src/cpu/intr_control.cc => src/cpu/intr_control_noisa.cc
2012-05-23DMA: Split the DMA device and IO device into seperate filesAndreas Hansson
This patch moves the DMA device to its own set of files, splitting it from the IO device. There are no behavioural changes associated with this patch. The patch also grabs the opportunity to do some very minor tidying up, including some white space removal and pruning some redundant parameters. Besides the immediate benefits of the separation-of-concerns, this patch also makes upcoming changes more streamlined as it split the devices that are only slaves and the DMA device that also acts as a master. --HG-- rename : src/dev/io_device.cc => src/dev/dma_device.cc rename : src/dev/io_device.hh => src/dev/dma_device.hh
2011-09-30SE/FS: Build the devices in SE mode.Gabe Black
2011-06-02scons: rename TraceFlags to DebugFlagsNathan Binkert
2011-02-11VNC/ARM: Use VNC server and add support to boot into X11Ali Saidi
2010-11-19SCons: Support building without an ISAAli Saidi
2009-01-17CopyEngine: Implement a I/OAT-like copy engine.Ali Saidi
2008-12-05IGbE: Add support for newer 8257x based Intel NICsAli Saidi
2008-06-17Ethernet: share statistics between all ethernet devices and apply someNathan Binkert
of those statistics to the e1000 model.
2008-06-17Rename SimConsole to Terminal since it makes more senseNathan Binkert
--HG-- rename : src/dev/SimConsole.py => src/dev/Terminal.py rename : src/dev/simconsole.cc => src/dev/terminal.cc rename : src/dev/simconsole.hh => src/dev/terminal.hh
2008-06-12Dev: Seperate the 8254 timer from tsunami and use it in that and the PC.Gabe Black
2008-03-25Devices: Separate out the MC146818 RTC so both Alpha and X86 can use it.Gabe Black
--HG-- extra : convert_revision : 1e7f5185654ed0845678c2169c702d3b977159ed
2007-10-31Traceflags: Add SCons function to created a traceflag instead of having one ↵Ali Saidi
file with them all. --HG-- extra : convert_revision : 427f6bd8f050861ace3bc0d354a1afa5fc8319e6
2007-07-23Major changes to how SimObjects are created and initialized. Almost allNathan Binkert
creation and initialization now happens in python. Parameter objects are generated and initialized by python. The .ini file is now solely for debugging purposes and is not used in construction of the objects in any way. --HG-- extra : convert_revision : 7e722873e417cb3d696f2e34c35ff488b7bff4ed
2007-05-27Move SimObject python files alongside the C++ and fixNathan Binkert
the SConscript files so that only the objects that are actually available in a given build are compiled in. Remove a bunch of files that aren't used anymore. --HG-- rename : src/python/m5/objects/AlphaTLB.py => src/arch/alpha/AlphaTLB.py rename : src/python/m5/objects/SparcTLB.py => src/arch/sparc/SparcTLB.py rename : src/python/m5/objects/BaseCPU.py => src/cpu/BaseCPU.py rename : src/python/m5/objects/FuncUnit.py => src/cpu/FuncUnit.py rename : src/python/m5/objects/IntrControl.py => src/cpu/IntrControl.py rename : src/python/m5/objects/MemTest.py => src/cpu/memtest/MemTest.py rename : src/python/m5/objects/FUPool.py => src/cpu/o3/FUPool.py rename : src/python/m5/objects/FuncUnitConfig.py => src/cpu/o3/FuncUnitConfig.py rename : src/python/m5/objects/O3CPU.py => src/cpu/o3/O3CPU.py rename : src/python/m5/objects/OzoneCPU.py => src/cpu/ozone/OzoneCPU.py rename : src/python/m5/objects/SimpleOzoneCPU.py => src/cpu/ozone/SimpleOzoneCPU.py rename : src/python/m5/objects/BadDevice.py => src/dev/BadDevice.py rename : src/python/m5/objects/Device.py => src/dev/Device.py rename : src/python/m5/objects/DiskImage.py => src/dev/DiskImage.py rename : src/python/m5/objects/Ethernet.py => src/dev/Ethernet.py rename : src/python/m5/objects/Ide.py => src/dev/Ide.py rename : src/python/m5/objects/Pci.py => src/dev/Pci.py rename : src/python/m5/objects/Platform.py => src/dev/Platform.py rename : src/python/m5/objects/SimConsole.py => src/dev/SimConsole.py rename : src/python/m5/objects/SimpleDisk.py => src/dev/SimpleDisk.py rename : src/python/m5/objects/Uart.py => src/dev/Uart.py rename : src/python/m5/objects/AlphaConsole.py => src/dev/alpha/AlphaConsole.py rename : src/python/m5/objects/Tsunami.py => src/dev/alpha/Tsunami.py rename : src/python/m5/objects/T1000.py => src/dev/sparc/T1000.py rename : src/python/m5/objects/Bridge.py => src/mem/Bridge.py rename : src/python/m5/objects/Bus.py => src/mem/Bus.py rename : src/python/m5/objects/MemObject.py => src/mem/MemObject.py rename : src/python/m5/objects/PhysicalMemory.py => src/mem/PhysicalMemory.py rename : src/python/m5/objects/BaseCache.py => src/mem/cache/BaseCache.py rename : src/python/m5/objects/CoherenceProtocol.py => src/mem/cache/coherence/CoherenceProtocol.py rename : src/python/m5/objects/Repl.py => src/mem/cache/tags/Repl.py rename : src/python/m5/objects/Process.py => src/sim/Process.py rename : src/python/m5/objects/Root.py => src/sim/Root.py rename : src/python/m5/objects/System.py => src/sim/System.py extra : convert_revision : 173f8764bafa8ef899198438fa5573874e407321
2007-03-15add all the registers we'll need to support for the Intel GbE device and ↵Ali Saidi
support enough functionality make the driver think the device is there, and in good working order. src/dev/SConscript: add intel gbe to the dev SCons file src/dev/i8254xGBe.cc: src/dev/i8254xGBe.hh: src/dev/i8254xGBe_defs.hh: use new manner of registers and implement all device registers that are touched through boot and ifup --HG-- extra : convert_revision : b1a1767f0fd31cd371e432cb48ac9a2e9f9291b5
2007-03-10Rework the way SCons recurses into subdirectories, making itNathan Binkert
automatic. The point is that now a subdirectory can be added to the build process just by creating a SConscript file in it. The process has two passes. On the first pass, all subdirs of the root of the tree are searched for SConsopts files. These files contain any command line options that ought to be added for a particular subdirectory. On the second pass, all subdirs of the src directory are searched for SConscript files. These files describe how to build any given subdirectory. I have added a Source() function. Any file (relative to the directory in which the SConscript resides) passed to that function is added to the build. Clean up everything to take advantage of Source(). function is added to the list of files to be built. --HG-- extra : convert_revision : 103f6b490d2eb224436688c89cdc015211c4fd30
2006-11-06Get rid of pcifake.cc and tsunami_fake.cc to go with the merged default devices.Gabe Black
--HG-- extra : convert_revision : e88aaaa43843c1283f29cef0886e057412705899
2006-11-06Moved the tsunami devices into the dev/alpha directory. Other devices ↵Gabe Black
"generic" devices are dependent on some of those files. That will either need to change, or most likely those devices will have to be considered architecture dependent. --HG-- rename : src/dev/tsunami.cc => src/dev/alpha/tsunami.cc rename : src/dev/tsunami.hh => src/dev/alpha/tsunami.hh rename : src/dev/tsunami_cchip.cc => src/dev/alpha/tsunami_cchip.cc rename : src/dev/tsunami_cchip.hh => src/dev/alpha/tsunami_cchip.hh rename : src/dev/tsunami_io.cc => src/dev/alpha/tsunami_io.cc rename : src/dev/tsunami_io.hh => src/dev/alpha/tsunami_io.hh rename : src/dev/tsunami_pchip.cc => src/dev/alpha/tsunami_pchip.cc rename : src/dev/tsunami_pchip.hh => src/dev/alpha/tsunami_pchip.hh rename : src/dev/tsunamireg.h => src/dev/alpha/tsunamireg.h extra : convert_revision : ffbb6fd93341d2623a6932bf096019b8976da694
2006-11-06Created seperate SConscript for the dev directory. Made subdirectories for ↵Gabe Black
Alpha and SPARC and put SConscripts in them. --HG-- rename : src/base/kgdb.h => src/arch/alpha/kgdb.h rename : src/dev/alpha_access.h => src/dev/alpha/access.h rename : src/dev/alpha_console.cc => src/dev/alpha/console.cc rename : src/dev/alpha_console.hh => src/dev/alpha/console.hh extra : convert_revision : a7dd466308cb83edc40528689aacb72413089cdf
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