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πŸ‘¨β€πŸ’» Operating System (Fall 2019), PintOS project

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PintOS Project

UNIST 2019 2ν•™κΈ° Operating System κ³Όλͺ©μ—μ„œ κ΅¬ν˜„ν•˜μ˜€λ˜ PintOS ν”„λ‘œμ νŠΈμž…λ‹ˆλ‹€.

Soogeun Park κ³Ό ꡐ내 Gitlab μ €μž₯μ†Œμ—μ„œ κ³΅λ™μž‘μ—…μ„ μ§„ν–‰ν•˜μ˜€κ³  ν”„λ‘œμ νŠΈ 1μ—μ„œ 3κΉŒμ§€ μž‘μ—…μ„ μ™„λ£Œν•˜μ˜€μŠ΅λ‹ˆλ‹€.

μ €ν¬μ—κ²ŒλŠ” 첫 C ν”„λ‘œμ νŠΈμ—¬μ„œ 이상적인 μ½”λ“œ κ΅¬ν˜„μ€ μ•„λ‹ˆμ§€λ§Œ 가끔 λ³΄λ©΄μ„œ λ‚΄μš©μ„ μƒκΈ°μ‹œν‚€κ³ μž μ—…λ‘œλ“œν•˜κ²Œ λ˜μ—ˆκ³ 

ν˜Ήμ‹œ μˆ˜μ—… 쀑에 과제둜 ν•€ν† μŠ€ ν”„λ‘œμ νŠΈλ₯Ό ν•˜κ³ μžˆλ‹€λ©΄, μ½”λ“œκ°€ μ•„λ‹Œ 메뉴얼 λ²ˆμ—­λ§Œ μ°Έκ³ ν•˜μ‹œκΈΈ λ°”λžλ‹ˆλ‹€.

μ£Όμš” μš©μ–΄λ“€μ€ ν•œκ΅­μ–΄λ‘œ λ²ˆμ—­ν•˜λ©΄ μ΄μƒν•΄μ§€λŠ” κ²½μš°κ°€ λ§Žμ•„μ„œ κΌ­ μ˜μ–΄ 원문도 같이 μ½μœΌμ‹œλŠ” 것을 μΆ”μ²œλ“œλ¦½λ‹ˆλ‹€.

μ•„λž˜λŠ” ν”„λ‘œμ νŠΈμ— λŒ€ν•œ κ°œμš”μ™€ Stanford 원문 λ§ν¬μž…λ‹ˆλ‹€.

Project1. Threads

  • timerλ₯Ό ν™œμš©ν•˜μ—¬ thread scheduling κ΅¬ν˜„ν•˜κΈ°
  • highest priority scheduling 기법 μ‚¬μš©

Project2. User Programs

  • user input argumentsλ₯Ό kernel stack에 μŒ“κΈ°
  • system call handler κ΅¬ν˜„ν•˜κΈ°
  • user memory에 μ ‘κ·Όν•˜μ—¬ system call numberλ₯Ό μ•Œμ•„λ‚΄κ³ , 이에 λ§žλŠ” system call ν˜ΈμΆœν•˜κΈ°

Porject3. Virtual Memory

  • supplemental page table, frame table λ§Œλ“€κΈ°
  • ν˜„μž¬μ˜ PintOSλ₯Ό demanding paging (lazy loading) λ°©μ‹μœΌλ‘œ μˆ˜μ •ν•˜κΈ°
  • page fault handler κ΅¬ν˜„ν•˜κΈ°
  • memory-mapped file κ΅¬ν˜„ν•˜κΈ°
  • swapping, stack-growth κ΅¬ν˜„ν•˜κΈ°

Original Source

https://web.stanford.edu/~ouster/cgi-bin/cs140-spring18/pintos/pintos.html

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