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3   Simulated Machines

Simics scripts for starting x86-440bx machines are located in the [workspace]/targets/x86-440bx/ directory, while the actual configuration scripts can be found in [simics]/targets/x86-440bx/.

3.1   Tango

Tango has Fedora Core 5 installed. The base configuration has a single 20 MHz Pentium 4 processor, 256 MB memory, one 19GB IDE disk and one IDE CD-ROM. There is also an AGP based Voodoo3 graphics card and a PCI based DEC21143 network adapter. The default configuration can be modified as described in section 3.5.

Additional information:

3.1.1   Tango Scripts

tango-common.simics
Starts the Tango machine with the default configuration.
tango-gcache-common.simics
Default Tango machine with a g-cache cache model connected.
tango-ma-common.simics
Default Tango machine with a simple processor timing model connected. Simics must be stared in MAI mode (-ma) to run this script.
tango-multi.simics
Example script with two Tango machines in the same session, connected by an Ethernet link. Note that the graphics console module for Windows host machines can only display one console, meaning that this script cannot be used on windows unless video text consoles are used. Video text consoles are enabled with the $text_console variable (see section 3.5).

3.2   Enterprise

Enterprise has Red Hat Linux 7.3 installed. The base configuration has a single 20 MHz Pentium 4 processor, 256 MB memory, one 19GB IDE disk and one IDE CD-ROM. There is also an AGP based Voodoo3 graphics card and an ISA based LANCE network adapter. The default configuration can be modified as described in section 3.5.

Additional information:

3.2.1   Enterprise Scripts

enterprise-common.simics
Starts the Enterprise machine with the default configuration.
enterprise-dhcp-common.simics
Similar to enterprise-common.simics, but gets the host name and IP address from the DHCP server.
enterprise-gcache-common.simics
Default Enterprise machine with a g-cache cache model connected.
enterprise-ma-common.simics
Default Enterprise machine with a simple processor timing model connected. Simics must be stared in MAI mode (-ma) to run this script.
enterprise-multi.simics
Example script with two Enterprise machines in the same session, connected by an Ethernet link. Note that the graphics console module for Windows host machines can only display one console, meaning that this script cannot be used on windows unless video text consoles are used. Video text consoles are enabled with the $text_console variable (see section 3.5).

3.3   Hippie

Hippie includes a standard Red Hat Linux 6.2 install. In the default configuration hippie has a single 20MHz Pentium 4 processor, 256 MB memory, one 1GB IDE disk and one IDE CD-ROM. There is also a PCI based Voodoo3 graphics card and an ISA based LANCE network adapter. The default configuration can be modified as described in section 3.5.

Additional information:

3.3.1   Hippie Scripts

hippie-common.simics
Starts the Hippie machine with the default configuration.
hippie-dhcp-common.simics
Similar to hippie-common.simics, but gets the host name and IP address from the DHCP server.
hippie-gcache-common.simics
Default Hippie machine with a g-cache cache model connected.

3.4   Dredd

Dredd ships without software, and is intended to be used for installing new OSes on Simics.

In the default configuration dredd has a single 20MHz Pentium 4 processor, 256 MB memory, one 19GB IDE disk and one IDE CD-ROM. There is also an AGP based Voodoo3 graphics card and a PCI based DEC21143 network adapter. The default configuration can be modified as described in section 3.5.

Information about how to install an OS in described in more detail in chapter 6.

3.4.1   Dredd Scripts

dredd-cd-install1.simics
Script for installing an OS on Dredd in Simics, phase 1.
dredd-cd-install2.simics
Script for installing an OS on Dredd in Simics, phase 2.
dredd-common.simics
Starts the Dredd machine with the default configuration. Can not be run until after an OS has been installed on Simics.
dredd-gcache-common.simics
Default Dredd machine with a g-cache cache model connected.

3.5   Parameters for Machine Scripts

The following parameters can be set before running the tango-common.simics, enterprise-common.simics, hippie-common.simics, or dredd-common.simics scripts. Other .simics scripts may set some of the parameters unconditionally, and do not allow the user to override them. For example, the enterprise-dhcp-common.simics script will always set the $create_network variable to yes.

Parameters can be specified directly on the Simics command line with the run expression (-e) switch: 

$ ./simics -e '$cpu_class="pentium-ii"' targets/x86-440bx/enterprise-common.simics

They can also be initialized within Simics before the base script is run: 

$ ./simics
simics> $cpu_class="pentium-ii"
simics> run-command-file "targets/x86-440bx/enterprise-common.simics"

If you are using the wxWindows frontend on Windows, you will need to create a script that both sets the parameter and includes the base script.

3.5.1   tango-common, enterprise-common, hippie-common and dredd-common

$create_network
Set to yes if the script should create an Ethernet link and connect the primary Ethernet adapter to it.
$cpu_class
The type of processor to create. Should be one of pentium, pentium-mmx, pentium-pro, pentium-ii, pentium-iii, pentium-4, pentium-4e, pentium-4e-2ht, pentium-4e-4ht and x86-hammer.
$disk_size
Size of the primary hard disk. This parameter must match any disk images that are added to the primary disk.
$enter_in_boot_menu
Set to no to prevent the script from pressing enter in the boot menu, default is yes. This option does not apply to the dredd machine.
$eth_link
The Ethernet link to connect the primary Ethernet adapter to. This parameter should be set when a link already exist and the $create_network parameter is no.
$freq_mhz
The clock frequency in MHz for all processors.
$host_name
The host name used by the DHCP and DNS servers for this machine. This variable will not change the host name set for the machine on the disk dumps.
$ip_address
The IP address used by the DHCP and DNS servers for this machine. This variable will not change any IP address set for the machine on the disk dumps.
$mac_address
MAC address of the primary Ethernet adapter.
$memory_megs
The total amount of system memory, in MB, in the system.
$num_cpus
The number of processors in the machine.
$rtc_time
Date and time of the real-time clock at boot.
$service_node
The service node to use for DHCP and DNS. This parameter should be set when a service noce already exist and the $create_network parameter is no.
$text_console
Set to yes to connect a text console to the VGA display instead of a graphical console that is default.

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