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Course Outline
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Exception Handling
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* ARM modes

  * Names
  * Registers
  * Permissions

* Exceptions

  * Exception types
  * Mapping to modes
  * Step by step transition from mode to mode
  * Using MSR and MRS

* Handling exceptions

  * Setting up vectors
  * Setting mode stacks
  * Current context
  * Saving context

* Working with a stack

  * Stack direction
  * Changing stack pointer
  * Especially assembly symbols
  * Load and Store multiples

* Homework

  * uDebugger

Context Switch
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* Context Switch

* Homework

  * Context Switch

Introduction to uCOS
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* uCOS intro

  * Overview
  * Startup
  * Stacks
  * Tasks
  * Starting a tasks

uCOS Tasks
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* uCOS Task details

  * Task states
  * Creating
  * Deleting
  * Query
  * Resuming
  * Task control blocks
  * Timer delays

Synchronization - Part 1
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* Basic concept
* Task cooperation
* Sharing data
* Causes and prevention of data corruption
* Critical sections
* Semaphores
* Patterns 1

* Homework

  * Semaphore homework - TBD

Synchronization - Part 2
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* Deadlocks
* Priority Inversions
* Mutexes
* Mailboxes
* Queues
* Flags
* Pattern 2

Memory Managment
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* Stacks

  * Fast
  * Builtin support 
  * Part of C language 
  * Automatic reclaiming 
  * Short lifespan
  * Should not be shared beyond lifespan of the caller

* Heaps

  * Long life span
  * Requires management code
  * Slower
  * Fragmentation issues
  * Very flexible
  * Can be shared between tasks

* Memory partioner

  * Long life span
  * Light weight
  * Fast
  * Needs to be setup ahead of time
  * Can be shared

Drivers
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* Purpose
* Interface conventions
* Setup
* Usage
* Examples

Music Player Project
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* Objective
* Top down
* Project

Large operating systems
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* Intro to virtual memory
* Translation lookaside buffer
* Process and threads
* User vs kernel space

Final
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