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CPU 

The CHARON-AXP CPU can be calibrated with "set ace" directive and the following parameters:

enabled

Parameterenabled
TypeBoolean
Value

A CHARON-AXP emulated CPU is configured with the "

...

enabled" command enabling the high performance Advanced CPU Emulation mode ("ACE"). The ACE option optimizes the HP Alpha instruction interpretation and significantly improves performance. It also requires approximately twice the amount of host memory allocated by CHARON instance itself to store the optimized code (Note that 2Gb of host memory + the amount of HP Alpha memory emulated per each CHARON instance is required).

ACE optimization is performed dynamically during execution. It does not need to write optimized code back to disk, ACE provides its full capability instantly. The optimization does not compromise the HP Alpha instruction decoding; CHARON-AXP remains fully HP Alpha hardware compatible and completely transparent to the HP Alpha operating systems and applications

...

 

Parameter

Type

Values

ace_mode

Boolean

true or false.

This

statement enables the ACE mode

configuration setting enables the ACE mode if the CHARON-AXP license permits it. If this

statement is

configuration setting is omitted from the CHARON-AXP configuration file and the license permits it, "true" is the default, otherwise "false" is the default.

For test purposes the ACE mechanism can be disabled with

Example:

set
cpu
ace
_mode
enabled = false
Info

"set

cpu

ace

_mode

enabled=true" is ignored when the license does not permit ACE operation

.The CHARON-AXP log file displays the status of the ACE option

.

The ACE mode is disabled when the host system does not meet the minimum physical requirements for this operation. If the emulator appears not to

not

run at its normal performance, check the log file for a change in the ACE mode and verify that sufficient host resources, especially memory, are available.

The ACE mode can be additionally calibrated with "set ace" directive and the following parameters:

Parameter

Type

Description

cpu_architecture

Parameter

cpu_architecture

Type

Text String

Value

Specifies the architecture of the virtual Alpha CPU. Can be one of the following: EV4, EV45, EV5, EV56, EV6, EV67, EV68

Example:

set ace cpu_architecture = EV6

Refer to this section to find an appropriate value of the HP Alpha architecture per each HP Alpha model supported by CHARON-AXP.

cache_size

Parameter

cache_size

TypeNumeric
Value

"cache_size" defines the amount of memory in megabytes allocated to the ACE cache.

The default value of the cache_size set to 1GB (1024 MB).

Example:

set ace cache_size=2048


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RAM  

The CHARON-AXP memory subsystem is permanently loaded and has the logical name "ram". 

size

Parametersize
Type

...

Numeric

...

ValueSize of the emulated memory in MB.

 

Example

...

set ram size = 2048

 

The amount of memory is capped at a maximum, this is defined in the CHARON license key. If the host system cannot allocate enough memory to map the requested emulated memory, CHARON-AXP generates an error message in the log file and reduces its effective memory size.

Div
classpagebreak

 

The following table lists the values of emulated RAM for various hardware models of virtual HP Alpha systems:

...

CHARON-AXP maintains its time and date using the "toy" (time-of-year) component. In order to preserve the time and date while a virtual system is not running, the TOY component uses a binary file on the host system to store the date and time relevant data. The name of the file is specified by the “container” option of the "toy" component.

container

container
Parametercontainer
Type
Description
Text string
Value

Specifies a name for the file in which CHARON-AXP preserves the time and date during its “offline” period. This file also keeps some console parameters (such as the default boot device).

By default it is left unspecified.

(info) it is recommended to specify the full path to the TOY file.

sync_to_host

,
Parametersync_to_host
TypeText string
Value

Specifies whether and how the guest OS time is synchronized with the CHARON host time.

Syntax:

set TOY sync_to_host = "{as_vms | as_tru64 | as_is}[, nowrite]"

where:

ParameterDescription
as_vmsIf the guest OS is OpenVMS/AXP and its date and time must be set to the host's date and time each time it boots.
as_tru64If the guest OS is Tru64 UNIX and its date and time must be set to the host's date and time each time it boots.
as_isIf the TOY date and time must be set to the host's UTC date and time
nowriteDisable undesirable updates to the TOY from the guest OS.

Example:

set TOY sync_to_host = "as_vms, nowrite"

To synchronize the guest OS with TOY, use the following commands (from "SYSTEM"/"root" account):

On OpenVMS/AXPOn Tru64 UNIX
$ set time
# date -u `consvar -g date | cut -f 3 -d ' '`

The default value is "not specified" - it means that by default CHARON does not synchronize its guest OS time with the CHARON host time

but collects date and time from the file specified with "container" parameter.

(warning) If "sync_to_host" parameter is specified there is no need to specify "container" parameter in addition.

Example

...

set toy container="C:\Charon\my_virtual_system.dat"

...

The System Flash ROM file conserves specific parameters between reboots.

...

container

Parametercontainer
Type

...

Text string
Value

Specifies the name of a file in which CHARON-AXP stores an intermediate state of its Flash ROM. This state includes, for example, most of the console parameters.

By default it is left unspecified.

(info) it is recommended to specify the full path to this file

Example:

set rom container=

...

"C:\Charon\my_virtual_system.

...

rom"

system_name

Parametersystem_name
TypeText string
Value

Allows changing the system name, for example:

set rom system_name=

...

"Alpha Server 1000 4/

...

200"

Refer to this section to find an appropriate value of the HP Alpha system name per each HP Alpha model supported by CHARON-AXP

system_serial_number

Parametersystem_serial_number
TypeText string
Value

Allows changing the system serial number, for example:

set rom system_serial_number = NY12345678

Any sequence of characters can be used as a serial number. Sequences longer than 16 symbols are truncated to 16 symbols.

Serial Numbers should be according to DEC standard: 10 characters. First two characters are capital letters, remaining 8 characters are decimal digits.

By default it is set to SN01234567

dsrdb

...

Parameterdsrdb[n]
TypeNumeric
Value

DSRDB - Dynamic System Recognition Data Block. These parameters allow changing the emulated hardware model type.

dsrdb[0] stands for SMM - System Marketing Model.

Example:

set rom dsrdb[0]=1090

This section describes connection between "dsrdb" parameter and the rest of the parameters defining an exact HP Alpha model - including SMM.

version

Parameterversion
TypeText string
Value

Sets Console and PAL code versions in the following way:

FunctionCommand
Set SRM Console version to X.Y-Z
set rom version[0] = x.y-z
Set OpenVMS PAL code version to X.Y-Z
set rom version[1] = x.y-z
Set Tru64 UNIX PAL code version to X.Y-Z
set rom version[2] = x.y-z

Example:

set rom version[0] = 7.3-1 version[1] = 1.98-104 version[2] = 1.92-105

 

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Virtual HP Alpha interval timer

The CHARON-AXP  provides provides interval timer interrupts to virtual Alpha CPU(s) at frequency 100Hz (100 interrupts a second).

...

Value of the parameter is interval timer period in microseconds. By default it is set to 10000. By changing it to 1000 frequency of virtual interval timer interrupts may be increased to 1000Hz (1000 interrupts per second).

clock_period

Description
Parameter
Type
clock_period
TypeNumeric
Value

Specifies period of interval timer, in microseconds. Only two values are supported:

  • 10000 (which corresponds to 100Hz interval timer)
  • 1000 (which corresponds to 1000Hz interval timer)

By default it is set to 10000.

Example for AlphaServer 400, DS, ES, GS

...

set ISA clock_period=1000

Example for AlphaServer 800, 1000, 1000A, 1200, 2000, 2100, 4000, 4100

...

set EISA clock_period=1000

...

It is important to have the "system_name", "hw_model", "cpu_architecture" and "dsrdb[n]" (DSRB DSRDB - Dynamic System Recognition Data Block) parameters in sync. (see above for details) to configure CHARON-AXP to for emulation of a particular HP Alpha model.

The following table illustrates tables illustrate how to synchronize those values:

HP AlphaStation 200 - 400

set session hw_model=set rom system_name=set ace cpu_architecture=set rom dsrdb[0]=
AlphaServer_400AlphaStation 200 4/100EV41156
AlphaServer_400AlphaStation 200 4/133EV41088
AlphaServer_400AlphaStation 205 4/133EV41250
AlphaServer_400AlphaStation 255 4/133EV41257
AlphaServer_400AlphaStation 200 4/166EV41087
AlphaServer_400AlphaStation 205 4/166EV41251
AlphaServer_400AlphaStation 255 4/166EV41258
AlphaServer_400AlphaStation 400 4/166EV41086
AlphaServer_400AlphaStation 205 4/200EV41252
AlphaServer_400AlphaStation 255 4/200EV41259
AlphaServer_400AlphaStation 200 4/233EV451151
AlphaServer_400AlphaStation 205 4/233EV451253
AlphaServer_400AlphaStation 255 4/233EV451260
AlphaServer_400AlphaStation 400 4/233EV451152
AlphaServer_400AlphaStation 205 4/266EV451254
AlphaServer_400AlphaStation 255 4/266EV451261
AlphaServer_400AlphaServer 300 4/266EV451593
AlphaServer_400AlphaStation 400 4/266EV451153
AlphaServer_400AlphaStation 400 4/266EV451154
AlphaServer_400AlphaStation 200 4/300EV451157
AlphaServer_400AlphaStation 205 4/300EV451255
AlphaServer_400AlphaStation 255 4/300EV451262
AlphaServer_400AlphaStation 400 4/300EV451160
AlphaServer_400AlphaStation 205 4/333EV451256
AlphaServer_400AlphaStation 255 4/333EV451263

...

1583
set session hw_model=set rom system_name=set ace cpu_architecture=set rom dsrdb[0]=
AlphaServer_1000AlphaServer 1000 4/200EV41090
AlphaServer_1000AlphaServer 1000 4/233EV451091
AlphaServer_1000AlphaServer 1000 4/266EV451264
AlphaServer_1000AlphaServer 1000 5/300EV51269
AlphaServer_1000AlphaServer 1000 5/333EV5*1559
AlphaServer_1000AlphaServer 1000 5/400EV45*1312
AlphaServer_1000AlphaServer 1000 5/500EV45*1582
AlphaServer_1000AlphaServer 1000 5/500EV45*

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HP AlphaServer 1000A

set session hw_model=set rom system_name=set ace cpu_architecture=set rom dsrdb[0]=
AlphaServer_1000AAlphaServer 1000A 4/266EV451265

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HP AlphaServer

...

1200 and AlphaStation 1200

500
set session hw_model=set rom system_name=set ace cpu_architecture=set rom dsrdb[0]=
AlphaServer_1000A1200AlphaServer 1000A 41200 5/266300EV45EV512651722
AlphaServer_1000A1200AlphaServer 1000A 1200 5/300EV512701724
AlphaServer_1000A1200AlphaServer 1000A 1200 5/333400EV5EV5615581726
AlphaServer_1000A1200AlphaServer 1000A 1200 5/400EV5613111728
AlphaServer_1000A1200AlphaServer 1000A AlphaStation 1200 5/500400EV5615801758
AlphaServer_1000A1200AlphaServer 1000A AlphaStation 1200 5/400EV561581

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HP AlphaServer 1200 and AlphaStation 1200

set rom dsrdb[0]=AlphaStation 40017604661730AlphaServer 466173246617624661764AlphaServer 17345331736EV561772
set session hw_model=set rom system_name=set ace cpu_architecture=1760
AlphaServer_1200AlphaServer 1200 5/466EV561730
AlphaServer_1200AlphaServer 1200 5/300466EV5EV5617221732
AlphaServer_1200AlphaServer AlphaStation 1200 5/300466EV5EV5617241762
AlphaServer_1200AlphaServer AlphaStation 1200 5/400466EV5617261764
AlphaServer_1200AlphaServer 1200 5/400533EV5617281734
AlphaServer_1200AlphaStation AlphaServer 1200 5/400533EV5617581736
AlphaServer_1200AlphaServer 1200 5/533EV561746
AlphaServer_1200AlphaServer 1200 5/533EV561748
AlphaServer_1200AlphaStation 1200 5/533EV561766
AlphaServer_1200AlphaStation 1200 5/533EV561768
AlphaServer_1200AlphaStation 1200 5/533EV561778
AlphaServer_1200AlphaStation 1200 5/533EV561780
AlphaServer_1200AlphaServer 1200 5/600EV561738
AlphaServer_1200AlphaServer 1200 5/533600EV5617461740
AlphaServer_1200AlphaServer 1200 5/533600EV5617481750
AlphaServer_1200AlphaStation 1200 5/533600EV5617661752
AlphaServer_1200AlphaStation 1200 5/533600EV5617681770
AlphaServer_1200AlphaStation 1200 5/533600EV5617781772
AlphaServer_1200AlphaStation 1200 5/533600EV5617801782
AlphaServer_1200AlphaServer AlphaStation 1200 5/600EV5617381784
AlphaServer_1200AlphaServer 1200 5/600666EV5617401742
AlphaServer_1200AlphaServer 1200 5/600666EV5617501744
AlphaServer_1200AlphaStation 1200 5/6001752AlphaServer _1200AlphaStation 1200 5/600666EV5617701754
AlphaServer_1200AlphaStation 1200 5/600EV56AlphaServer _1200AlphaStation 1200 5/600666EV5617821756
AlphaServer_1200AlphaStation 1200 5/600EV561784AlphaServer_ 1200 AlphaServer 1200 5/666EV5617421774
AlphaServer_1200AlphaServer 1200 5/666EV561744
AlphaServer_1200AlphaServer 1200 5/666EV561754
AlphaServer_1200AlphaServer 1200 5/666EV561756
AlphaServer_1200AlphaStation 1200 5/666EV561774
AlphaServer_1200AlphaStation 1200 5/666EV561776
AlphaServer_1200AlphaStation 1200 5/666EV561786
AlphaServer_1200AlphaStation 1200 5/666EV561788

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HP AlphaServer 2000

1517
set session hw_model=set rom system_name=set ace cpu_architecture=set rom dsrdb[0]=
AlphaServer_2000AlphaServer 2000 4/200EV41123
AlphaServer_2000AlphaServer 2000 4/233EV451171
AlphaServer_2000AlphaServer 2000 4/275EV451127
AlphaServer_2000AlphaServer 2000 5/250EV51131
AlphaServer_2000AlphaServer 2000 5/300EV51175
AlphaServer_2000AlphaServer 2000 5/375EV561505
AlphaServer_2000AlphaServer 2000 5/400EV56AlphaStation 1200 5/666EV561776
AlphaServer_1200AlphaStation 1200 5/666EV561786
AlphaServer_1200AlphaStation 1200 5/666EV561788

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HP AlphaServer

...

2000

AlphaServer 2100
set session hw_model=set rom system_name=set ace cpu_architecture=set rom dsrdb[0]=
AlphaServer_21002000AlphaServer 2100 2000 4/200EV410591123
AlphaServer_2100AlphaServer 2100 4/200EV41135
AlphaServer_2100AlphaServer 2100 4/233EV451179
AlphaServer_2100AlphaServer 2100 4/233EV451187
AlphaServer_2100AlphaServer 2100 4/275EV451115
AlphaServer_21002000AlphaServer 2000 4/233EV451171
AlphaServer_2000AlphaServer 2000 4/275EV451139
AlphaServer_2100AlphaServer 2100 5/250EV51119
AlphaServer_2100AlphaServer 2100 5/250EV511431127

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HP AlphaServer 2100

5400EV561521 5400EV561525
set session hw_model=set rom system_name=set ace cpu_architecture=set rom dsrdb[0]=
AlphaServer_2100AlphaServer 2100 54/300200EV5EV411831059
AlphaServer_2100AlphaServer 2100 54/300200EV5EV411911135
AlphaServer_2100AlphaServer 2100 54/375233EV56EV4515091179
AlphaServer_2100AlphaServer 2100 54/375233EV56EV4515131187
AlphaServer_2100AlphaServer 2100 4/275EV451115
AlphaServer_2100AlphaServer 2100 4/275EV451139

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...

set session hw_model=set rom system_name=set ace cpu_architecture=set rom dsrdb[0]=
AlphaServer_DS20AlphaServer DS20 6/500EV61838
AlphaServer_DS20AlphaServer DS20E 6/500EV61840
AlphaServer_DS20AlphaServer DS20 6/500EV61920
AlphaServer_DS20AlphaServer DS20 6/500EV61921
AlphaServer_DS20AlphaServer DS20E 67/667EV671939
AlphaServer_DS20AlphaStation DS20E 6/500EV61941
AlphaServer_DS20AlphaStation DS20E 67/667EV571943
AlphaServer_DS20AlphaServer DS20E 68A/833EV6819441964
AlphaServer_DS20AlphaServer DS20E 68A/833EV681982
AlphaServer_DS20AlphaServer DS20L 68A/833EV682006

...

set session hw_model=set rom system_name=set ace cpu_architecture=set rom dsrdb[0]=
AlphaServer_DS25AlphaServer DS25 68CB/1000EV6EV6818381994
AlphaServer_DS25AlphaStation DS25 68CB/1000EV6EV6818401995

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...

set session hw_model=set rom system_name=set ace cpu_architecture=set rom dsrdb[0]=
AlphaServer_ES45AlphaServer ES45/3B 68CB/1000EV6818131971
AlphaServer_ES45AlphaServer ES45/2 68CB/1000EV6818611975
AlphaServer_ES45AlphaServer ES45/2B 68CB/1000EV6818691975
AlphaServer_ES45AlphaServer ES45/1B 68CB/1000EV6819232002
AlphaServer_ES45AlphaServer ES45/3B 68CB/1250EV6819312013
AlphaServer_ES45AlphaServer ES45/2 68CB/1250EV6818172017
AlphaServer_ES45AlphaServer ES45/2B 68CB/1250EV6818652017
AlphaServer_ES45AlphaServer ES45/1B 68CB/1250EV6818732021

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...

set session hw_model=set rom system_name=set ace cpu_architecture=set rom dsrdb[0]=set rom dsrdb[1]=set rom dsrdb[24]=
AlphaServer_GS80AlphaServer GS80 67/728EV671967  
AlphaServer_GS80AlphaServer GS1280EV672038503050

...

set session hw_model=set rom system_name=set ace cpu_architecture=set rom dsrdb[0]=set rom dsrdb[1]=set rom dsrdb[24]=
AlphaServer_GS160AlphaServer GS160 67/728EV671968  
AlphaServer_GS160AlphaServer GS1280EV672039503050

...

set session hw_model=set rom system_name=set ace cpu_architecture=set rom dsrdb[0]=set rom dsrdb[1]=set rom dsrdb[24]=
AlphaServer_GS320AlphaServer GS320 67/728EV671969  
AlphaServer_GS320AlphaServer GS1280EV672040503050

...

CHARON-AXP systems can be configured to boot the operating system automatically at start up.

auto_action restart

Console Description
Parameter
auto_action restart
TypeText string
Value

Determines whether CHARON-AXP boots automatically if the correct boot flags are set (and saved in the HP Alpha console files).

Example:

>>>set
>>>set bootdef_dev dka0
>>>set
>>>set auto_action restart

 

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...