B C D E F G I J K L M O R S T W

B

beginRead(int, byte[]) - Method in class Disk

Starts a new read operation.

beginWrite(int, byte[]) - Method in class Disk

Starts a new write operation.

BLOCK_SIZE - Static variable in class Disk

The size of a disk block in bytes.

Boot - class Boot.

A bootstrap program for the MiniKernel.

Boot() - Constructor for class Boot

busy - Variable in class Disk

An indication of whether an I/O operation is currently in progress.

C

Count - class Count.

A very tiny example MiniKernel program.

Count() - Constructor for class Count

currentBlock - Variable in class Disk

Current location of the read/write head

D

DELAY_PER_TRACK - Static variable in class Disk

Seek time per track, in ms

delay(int) - Method in class Disk

Sleeps for a while to simulate the delay in seeking and transferring data.

Disk - class Disk.

A software simulation of a Disk.

DISK_SIZE - Variable in class Disk

Total size of this disk, in blocks.

Disk(int) - Constructor for class Disk

Creates a new Disk.

E

ERROR_BAD_ARGUMENT_TYPE - Static variable in class Kernel

An error code indicating that one of the system call parameters made no sense.

ERROR_BAD_COMMAND - Static variable in class Kernel

An error code indicating that a command passed to SYSCALL_EXEC could not be executed.

ERROR_END_OF_FILE - Static variable in class Kernel

An error code indicating that end of file was reached.

ERROR_IN_CHILD - Static variable in class Kernel

An error code indicating that a child program caused an exception and crashed.

ERROR_IO - Static variable in class Kernel

An error code indicating that somthing went wrong during an I/O operation.

ERROR_NO_SUCH_PROCESS - Static variable in class Kernel

An error code indicating an attempt to join with a non-existant process

ERROR_OUT_OF_RANGE - Static variable in class Kernel

An error code indicating that one parameter was too big or too small

errorMessage - Static variable in class Library

A table of error messages corresponding to Kernel error return codes.

exec(String, String[]) - Static method in class Library

Performs SYSCALL_EXEC.

F

finishOperation() - Method in class Disk

Indicates to the CPU that the current operation has completed.

flush() - Method in class Disk

Saves the contents of this Disk.

G

getTime() - Static method in class Library

I

input(StringBuffer) - Static method in class Library

Performs SYSCALL_INPUT.

INTERRUPT_DISK - Static variable in class Kernel

An interrupt kind indicating that a disk caused the interrupt.

INTERRUPT_POWER_ON - Static variable in class Kernel

An interrupt kind indicating that the system just started.

INTERRUPT_USER - Static variable in class Kernel

An interrupt kind indicating that a user program caused the interrupt.

interrupt(int, int, int, Object, Object, byte[]) - Static method in class Kernel

This is the only entry into the kernel.

J

join(int) - Static method in class Library

Performs SYSCALL_JOIN Waits for a process to terminate

K

Kernel - class Kernel.

A simple kernel simulation.

Kernel() - Constructor for class Kernel

L

Library - class Library.

Convenience calls for using the Kernel.

M

main(String[]) - Static method in class Boot

The main program.

main(String[]) - Static method in class Count

The main program.

main(String[]) - Static method in class Shell

The main program.

O

output(String) - Static method in class Library

Performs SYSCALL_OUTPUT.

R

Request - class Request.

Request() - Constructor for class Request

run() - Method in class Disk

This method simulates the internal microprocessor of the disk controler.

S

Shell - class Shell.

A simple command-line shell for the MiniKernel.

Shell() - Constructor for class Shell

signalCompletion() - Method in class Request

SYSCALL_EXEC - Static variable in class Kernel

System call to execute a new program.

SYSCALL_GET_TIME - Static variable in class Kernel

SYSCALL_INPUT - Static variable in class Kernel

System call to read text from the console.

SYSCALL_JOIN - Static variable in class Kernel

System call to wait for a process to terminate.

SYSCALL_OUTPUT - Static variable in class Kernel

System call to output text on the console.

T

targetBlock - Variable in class Disk

The block number to be read/written by the current operation.

TRACK_SIZE - Static variable in class Disk

The size of a track, in blocks.

trackOf(int) - Method in class Disk

Computes the track number of a disk block.

TRANSFER_TIME - Static variable in class Disk

Minimum time to transfer one block of data, in ms

W

waitForCompletion() - Method in class Request

waitForRequest() - Method in class Disk

Waits for a call to beginRead or beginWrite.

B C D E F G I J K L M O R S T W