1	Overall Architecture
2	Memory
3	Registers
4	The User Mode Instruction Set
4.1	Register Usage
4.2	System Calls
5	Kernel Mode Instruction Set
5.1	I/O Primitives
5.2	Memory Access Instructions
5.3	Context Switching Primitives
5.3.1	What is a Context?
5.3.2	Primitives that Manipulate Contexts
5.4	Other Hardware Primitives
6	Interrupts, traps, faults, and Operating System Invocation
6.1	Reasons for Exceptions
6.2	Masking Interrupts
6.3	Vector Nitty-Gritty
7	Device Notes
7.1	Disk
7.2	Delay Timer
8	Address Translation
8.1	Virtual Memory
8.2	Page Table Setup
9	Configurations
10	Bootstrapping

1	Introduction
2	Use of Registers and Arguments
3	Program Attributes
3.1	Portability
4	User Test Programs
4.1	test1a
4.2	test1b
4.3	test1c
4.4	test1d
4.5	test1e
4.6	test1f
4.7	test1g
4.8	test1h
4.9	test1I
4.10	test1j
4.11	test1k
4.12	test2a
4.13	test2b
4.14	test2c
4.15	test2d
4.16	test2e
4.17	test2f
4.18	test2g

1	Introduction
2	System Call Parameters
3	Use of CALL and ZCALL
4	Systems Calls
4.1	GET_TIME_OF_DAY
4.2	SLEEP
4.3	CREATE_PROCESS
4.4	GET_PROCESS_ID
4.5	TERMINATE_PROCESS
4.6	SUSPEND_PROCESS
4.7	RESUME_PROCESS
4.8	CHANGE_PRIORITY
4.9	SEND_MESSAGE
4.10	RECEIVE_MESSAGE
4.11	MEM_READ, MEM_WRITE, and READ_MODIFY
4.12	DISK_READ
4.13	DISK_WRITE
4.14	DEFINE_SHARED_AREA

1	Using the Scheduler Printer
1.1	Introduction
1.2	Using SP_setup
1.3	Using SP_print_header
1.4	Using SP_print_line
2	Printing Philosophy
2.1	Scheduler Output
2.2	Test Output
2.3	Error and Trap Handling
3	An Example of scheduler_printer Output

1	Purpose and Scope
2	Organization of this Document
3	Associated Documents
4	Revision History

1	Introduction
2	Project Goals
3	The Z502 Machine
4	The Development Environment
5	Unrealistic Aspects of the Project
5.1	Hardware
5.2	Functionality

1	Introduction
2	The Basic Interface
2.1	Kernel Service Requests
2.2	Hardware Signals
2.3	Resource Sharing
2.4	Schedulers
2.5	Process Management Interface
3	Provided Routines
3.1	Initialization Routines
3.2	Termination Routines
3.3	Scheduler Printer
4	Assignment
5	Some Final Advice

1	Introduction
2	Paging
2.1	Page Faults
2.2	Page Fetch Algorithms
2.3	Page Replacement Algorithms
2.4	Page Tables
2.5	Frame Tables
2.6	Shared Memory Mechanism
3	Disk Drives
3.1	Bit Map
3.2	Other
4	Provided Routines
5	Project Phase 2 Assignment
6	Final Advice

Table of Contents