Module_SystemVars

Module: SystemVars

Status summary

Component	Section	32-bit	64-bit	Claimant	Source	Repo summary
SystemVars	ROM modules	Automated	Automated	Gerph	GitHub	32-bit built, 64-bit built, tested in repo

Development status

Completeness

Functionality	SWIs	TOTAL
100.00%	40.00%	80.00%

Summary

SystemVars handles the environment variables registration and reading. In RISC OS Select it also handled:

• OS_GSTrans, OS_GSRead, OS_GSInit
• Setting of the default variables.

These functions might be split into a separate component.

Relationships

Relationship diagram not yet generated.

Discovered features

• Has dynamic code
• Has kernel collusion
• Sets variables
• Uses dynamic area

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Provides

Functionality

In 32bit	In 64 bit	Interface
✅	✅	String variables
✅	✅	Number variables
✅	✅	Evaluated variables
✅	✅	Macro variables
✅	✅	Creating variables
✅	✅	Reading variables
✅	✅	Updating variables
✅	✅	Deleting variables
✅	✅	Code variables
✅	✅	Code variables with workspace (introduced in Select)

Commands

None

SWIs

In 32bit	In 64 bit	Interface
🔲	🔲	OS_GSInit (not sure this should be here)
🔲	🔲	OS_GSRead (not sure this should be here)
🔲	🔲	OS_GSTrans (not sure this should be here)
✅	✅	OS_ReadVarVal
✅	✅	OS_SetVarVal

Services

None

Vectors

None

Events

None

UpCalls

None

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Issues calls to

Services

None

Vectors

None

Events

None

UpCalls

None

Modules

• MessageTrans