IEEE Std 1275.2-1994 IEEE Standard for Boot (Initialization Configuration) Firmware: Bus Supplement for IEEE 1496 (SBus) -Description

Abstract: Firmware is the read-only-memory (ROM)-based software that controls a computerbetween the time it is turned on and the time the primary operating-systemtakes control of the machine. Firmware's responsibilities include testing andinitializing the hardware, determining the hardware configuration, loading (orbooting) the operating systems, and providing interactive debugging facilitiesin case of faulty hardware or software. The core requirements and practicesspecified by IEEE Std 1275-1994 must be supplemented by system-specificrequirements to form a complete specification for the firmware for a particularsystem. This standard establishes such additional requirements pertaining tothe bus architecture defined by IEEE Std 1496-1993, IEEE Standard for a Chipand Module Interconnect Bus: SBus.

Keywords: boot, configuration, debug, FCode, firmware, Forth, initialization, plug-in device, ROM

Content

1. Overview
2. References
3. Definitions of terms
4. Bus characteristics
- 4.1 Physical address formats and representations
- 4.2 Bus-specific configuration variables
- 4.3 Format of a probe list
- 4.4 Interrupt-specification format
- 4.5 FCode interpretation semantics
5. Bus nodes
- 5.1 Properties
- - 5.1.1 Core-specified properties for bus nodes
  - 5.1.2 Bus-specific properties for bus nodes
- 5.2 Methods
- - 5.2.1 Core-specified methods for bus nodes
  - 5.2.2 Bus-specific methods for bus nodes
6. Child nodes
- 6.1 Properties
- - 6.1.1 Core-specified properties for child nodes
  - 6.1.2 Bus-specific properties for child nodes
- 6.2 Methods
7. User interface extensions
- 7.1 Bus-specific interpretations of standard commands
- 7.2 Bus-specific FCodes
- 7.3 Bus-specific user interface commands

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