Developing a Multithreaded Kernel From Scratch: Part Two - Module Two

Daniel McCarthy

106 Lessons 19h 47m

9. Implementing FSTAT in userland

This course is the continuation of Part 2 Module 1, where we continued building the 32-bit PeachOS kernel, into a fully functioning 64-bit multitasking ope...

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Introduction

1. Introduction 5m

Filesystem And Memory Management

2. Implementing FOPEN in userland 30m 2. Source Code View 3. Implementing FCLOSE in userland 10m 4. Implementing FREAD in userland 10m 5. Improving our memory managment system for processes - part 1 26m 6. Improving our memory managment system for processes - part 2 23m 7. Compiling and testing FREAD 7m 8. Implementing FSEEK in userland 10m 9. Implementing FSTAT in userland 13m 10. Moving the task paging descriptor into the process 7m 11. Making the process list use vectors 11m 12. Making the process_realloc function 16m

Windowing System

13. Creating some essential graphics functions 37m 14. The Window System In Detail 16m 15. Building the Window header files 14m 16. Building the Window source files part 1 16m 17. Building the Window source files part 2 20m 18. Building the Window source files part 3 14m 19. Building the Window source files part 4 9m 20. Building the Window source files part 5 12m

CPU

21. Understanding CPUID 4m 22. Implementing CPUID in our kernel 6m 23. Understanding the TSC Frequency And Delay Functionality 5m 24. Using the TSC Frequency And Implementing Delay Functionality 18m 25. Using the TSC Frequency And Implementing Delay Functionality Part 2 10m 26. Using the TSC Frequency And Implementing Delay Functionality Part 3 2m

Mouse and Graphics

27. Understanding the mouse 11m 28. Building mouse abstraction 22m 29. Building mouse abstraction - Part 2 11m 30. Implementing window_position_set function 13m 31. Implementing graphics_info_recalculate 5m 32. Implementing window_redraw and testing our windows 4m 33. Implementing the PS2 mouse 20m 34. Implementing the PS2 mouse - Part 2 18m 35. Implementing the PS2 mouse - Part 3 4m 36. Implementing the PS2 mouse - Part 4 , Testing the mouse 3m 37. Implementing click handlers for graphics 21m 38. Implementing move handlers for graphics 5m 39. Registering mouse event listeners in windows and implementing the click handler 8m 40. Implementing the window_click function 3m 41. Implementing the window helper functions 12m 42. Pushing events for focus and unfocus 3m 43. Dealing with title bar clicks 7m 44. Moving windows with the mouse 8m

Windowing System - Stage two

45. Fixing compile errors with the graphics and windows 4m 46. Fixing common runtime errors identified in graphical and window system 6m 47. Testing our windows 2m 48. The translation layer for graphics and windows in user space 12m 49. Creating userland pointers 13m 50. Creating windows from userspace - part one 16m 51. Creating windows from userspace - part two 9m 52. Creating windows from userspace - part three 7m 53. Creating windows from userspace - part four 4m 54. Diverting stdout to a window 12m 55. The link between kernel window events and userspace 8m 56. Creating the window event functionality for processes - part one 13m 57. Creating the window event functionality for processes - part two 7m 58. Creating the window event functionality for processes - part three 18m 59. Creating the isr80h function to get events in user space 6m 60. Calling the isr80h get event function from userspace 8m 61. Accessing the graphics info of a window from userspace 15m 62. Getting the pixels buffer of a graphics info entity to use in userspace 19m 63. Creating ability for user space to redraw windows 4m 64. Compiling our changes 4m 65. Testing the drawing of pixels in our userspace application 9m 66. Binding the window redraw to ISR80H 2m 67. Creating relative graphics from userspace 13m 68. Redrawing window regions in userspace 6m 69. Updating window properties from userspace 11m 70. Implementing keyboard events and handlers 16m 71. Implementing the window keyboard listener 8m

PCI And Implementation

72. Understanding PCI 31m 73. Implementing the PCI header files 16m 74. Implementing the PCI source files part one 27m 75. Implementing the PCI source files part two 24m 76. Implementing the PCI source files part three 26m 77. Implementing the PCI source files part four 4m

Disk Driver Improvements

78. Upgraded disk abstraction and disk drivers 5m 79. Attaching hardware disk to the disk structure and basic driver metadata 7m 80. Creating the disk driver header file 9m 81. Creating the disk driver source file 13m 82. Rewriting our disk code to work with the disk driver abstraction 8m 83. Implementing the pata disk driver header file 4m 84. Implementing the pata disk driver source file 26m 85. Finalizing and testing our pata driver 4m

NVMe SSD Disk Driver

86. All About NVMe 24m 87. Implementing the NVME header file 12m 88. Implementing the NVME source file - part one 31m 89. Implementing the NVME source file - part two 28m 90. Implementing the NVME source file - part three 19m 91. Implementing the NVME source file - part four compile and testing 8m

Task sleeping and keyboard events

92. Fixing the keyboard events on userspace 2m 93. Implementing ability for tasks to sleep 8m 94. Implementing ability for tasks to sleep in userspace 13m 95. Implementing ability for tasks to sleep in userspace part two 2m

Small optimizations

96. Rewriting the makefiles 5m 97. Fixing process realloc bug 2m 98. Calling int 0x80 in fclose 1m

Disk Streamer Cache

99. Implementing the disk stream cache header files 16m 100. Implementing the disk stream cache source files - part one 13m 101. Implementing the disk stream cache source files - part two 20m 102. Implementing the disk stream cache source files - part three 4m 103. Implementing the disk stream cache source files - part four 2m

Finishing up

104. Installing dependency libraries for our userspace and running the calculator 9m 105. Explaining how to use the GUI SDK 23m 106. Rules for contributing 6m

Developing a Multithreaded Kernel From Scratch: Part Two - Module Two

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9. Implementing FSTAT in userland

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Daniel McCarthy