Age | Commit message (Collapse) | Author |
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Added the options to Options.py for FS mode with backward compatibility. It is
good to provide an option to specify the disk image and the memory size from
command line since a lot of disk images are created to support different
benchmark suites as well as per user needs. Change in program also leads to
change in memory requirements. These options provide the interface to provide
both disk image and memory size from the command line and gives more
flexibility.
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With recent changes to the memory system, a port cannot be assigned a peer
port twice. While making use of the Ruby memory system in FS mode, DMA
ports were assigned peer twice, once for the classic memory system
and once for the Ruby memory system. This patch removes this double
assignment of peer ports.
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I am not too happy with the way options are added in files se.py and fs.py
currently. This patch moves all the options to the file Options.py, functions
from which are called when required.
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The function is presently defined in FSConfig.py, which does not seem to be
the correct place for it.
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This patch brings the Ruby and other scripts up to date with the
introduction of the master/slave ports.
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This patch classifies all ports in Python as either Master or Slave
and enforces a binding of master to slave. Conceptually, a master (such
as a CPU or DMA port) issues requests, and receives responses, and
conversely, a slave (such as a memory or a PIO device) receives
requests and sends back responses. Currently there is no
differentiation between coherent and non-coherent masters and slaves.
The classification as master/slave also involves splitting the dual
role port of the bus into a master and slave port and updating all the
system assembly scripts to use the appropriate port. Similarly, the
interrupt devices have to have their int_port split into a master and
slave port. The intdev and its children have minimal changes to
facilitate the extra port.
Note that this patch does not enforce any port typing in the C++
world, it merely ensures that the Python objects have a notion of the
port roles and are connected in an appropriate manner. This check is
carried when two ports are connected, e.g. bus.master =
memory.port. The following patches will make use of the
classifications and specialise the C++ ports into masters and slaves.
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--HG--
rename : tests/long/10.linux-boot/ref/x86/linux/pc-o3-timing/config.ini => tests/long/fs/10.linux-boot/ref/x86/linux/pc-o3-timing/config.ini
rename : tests/long/10.linux-boot/ref/x86/linux/pc-o3-timing/simout => tests/long/fs/10.linux-boot/ref/x86/linux/pc-o3-timing/simout
rename : tests/long/10.linux-boot/ref/x86/linux/pc-o3-timing/stats.txt => tests/long/fs/10.linux-boot/ref/x86/linux/pc-o3-timing/stats.txt
rename : tests/long/10.linux-boot/ref/x86/linux/pc-o3-timing/system.pc.com_1.terminal => tests/long/fs/10.linux-boot/ref/x86/linux/pc-o3-timing/system.pc.com_1.terminal
rename : tests/long/00.gzip/ref/x86/linux/o3-timing/config.ini => tests/long/se/00.gzip/ref/x86/linux/o3-timing/config.ini
rename : tests/long/00.gzip/ref/x86/linux/o3-timing/simout => tests/long/se/00.gzip/ref/x86/linux/o3-timing/simout
rename : tests/long/00.gzip/ref/x86/linux/o3-timing/stats.txt => tests/long/se/00.gzip/ref/x86/linux/o3-timing/stats.txt
rename : tests/long/10.mcf/ref/x86/linux/o3-timing/config.ini => tests/long/se/10.mcf/ref/x86/linux/o3-timing/config.ini
rename : tests/long/10.mcf/ref/x86/linux/o3-timing/simout => tests/long/se/10.mcf/ref/x86/linux/o3-timing/simout
rename : tests/long/10.mcf/ref/x86/linux/o3-timing/stats.txt => tests/long/se/10.mcf/ref/x86/linux/o3-timing/stats.txt
rename : tests/long/20.parser/ref/x86/linux/o3-timing/config.ini => tests/long/se/20.parser/ref/x86/linux/o3-timing/config.ini
rename : tests/long/20.parser/ref/x86/linux/o3-timing/simout => tests/long/se/20.parser/ref/x86/linux/o3-timing/simout
rename : tests/long/20.parser/ref/x86/linux/o3-timing/stats.txt => tests/long/se/20.parser/ref/x86/linux/o3-timing/stats.txt
rename : tests/long/70.twolf/ref/x86/linux/o3-timing/config.ini => tests/long/se/70.twolf/ref/x86/linux/o3-timing/config.ini
rename : tests/long/70.twolf/ref/x86/linux/o3-timing/simout => tests/long/se/70.twolf/ref/x86/linux/o3-timing/simout
rename : tests/long/70.twolf/ref/x86/linux/o3-timing/stats.txt => tests/long/se/70.twolf/ref/x86/linux/o3-timing/stats.txt
rename : tests/quick/00.hello/ref/x86/linux/o3-timing/config.ini => tests/quick/se/00.hello/ref/x86/linux/o3-timing/config.ini
rename : tests/quick/00.hello/ref/x86/linux/o3-timing/simout => tests/quick/se/00.hello/ref/x86/linux/o3-timing/simout
rename : tests/quick/00.hello/ref/x86/linux/o3-timing/stats.txt => tests/quick/se/00.hello/ref/x86/linux/o3-timing/stats.txt
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These options were missing from the script ruby_fs.py. This patch adds these
options to the script.
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This patch rpovides functional access support in Ruby. Currently only
the M5Port of RubyPort supports functional accesses. The support for
functional through the PioPort will be added as a separate patch.
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Re-enabling implicit parenting (see previous patch) causes current
Ruby config scripts to create some strange hierarchies and generate
several warnings. This patch makes three general changes to address
these issues.
1. The order of object creation in the ruby config files makes the L1
caches children of the sequencer rather than the controller; these
config ciles are rewritten to assign the L1 caches to the
controller first.
2. The assignment of the sequencer list to system.ruby.cpu_ruby_ports
causes the sequencers to be children of system.ruby, generating
warnings because they are already parented to their respective
controllers. Changing this attribute to _cpu_ruby_ports fixes this
because the leading underscore means this is now treated as a plain
Python attribute rather than a child assignment. As a result, the
configuration hierarchy changes such that, e.g.,
system.ruby.cpu_ruby_ports0 becomes system.l1_cntrl0.sequencer.
3. In the topology classes, the routers become children of some random
internal link node rather than direct children of the topology.
The topology classes are rewritten to assign the routers to the
topology object first.
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This way things that don't care about work count options and/or aren't called
by something that has those command line options set up doesn't have to build
a fake object to carry in inert values.
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Since ruby only works in timing mode, explicitly requiring the timing cmd line
param to be specified is not necessary.
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This patch attaches ruby objects to the system before the topology is
created so that their simobject names read their meaningful variable
names instead of their topology name.
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Now ruby_fs creates physical memory of the right size.
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Converted both ruby caches and directory memory to use the M5 MemorySize python
type.
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Connects M5 cpu and dma ports directly to ruby sequencers and dma
sequencers. Rubymem also includes a pio port so that pio requests
and be forwarded to a special pio bus connecting to device pio
ports.
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