Release v3.1.1

Notable Changes

• Avoid race conditions (fatal bug) (#139, #141)
• Memory mapped file does not evicted to the swap disk (#143)

All Changes

Pintos Core

• hangpark/pintos#139 - [#138] Avoid race b/w frame table and swap table
• hangpark/pintos#141 - [#140] Avoid accessing frame by other proc during loading frame
• hangpark/pintos#143 - [#142] Write data back to memory mapped file when eviction

Release v3.1

Notable Changes

• Support two system calls for memory mapped files (#134)
  • mapid_t mmap (int fd, void *addr)
  • void munmap (mapid_t mapping)

All Changes

Pintos Core

• hangpark/pintos#134 - [#133] Implement memory mapped files
• hangpark/pintos#136 - [#135] Refactoring for multiple projects

Build Configures

• hangpark/pintos#132 - [#131] Restore full test list

Release v3.0

Notable Changes

• Support virtual memory (#110, #112, #117)
• Support clock algorithm for page replacement (#123)
• Support stack growth (#116)
• Fix user memory access validation more concrete (#129)

All Changes

Pintos Core

• hangpark/pintos#109 - [#108] Correct typo in process.h
• hangpark/pintos#110 - [#107] Implement frame table
• hangpark/pintos#112 - [#111] Implement supplemental page table
• hangpark/pintos#116 - [#113] Implement stack growth
• hangpark/pintos#117 - [#117] Implement swap table with FIFO eviction
• hangpark/pintos#122 - [#121] Remove unused method suppl_pt_evict
• hangpark/pintos#123 - [#120] Change FIFO page replacement to clock algorithm
• hangpark/pintos#126 - [#125] Give valid memory size to supplemental page table
• hangpark/pintos#127 - [#124] Change supplemental page table from list to hash
• hangpark/pintos#129 - [#128] Validate user memory accessing by syscall

Build Configures

• hangpark/pintos#115 - [#114] Temporarily reduce test sets

Release v2.0.2 (Project #2)

Notable Changes

• Make repository public (#98)
• Add ShowBadge v2.0.1 (#105)

All Changes

Build Configures

• hangpark/pintos#103 - [#99] Add ShowBadge
• hangpark/pintos#105 - [#104] Update ShowBadge to v0.2.1

Etc.

• hangpark/pintos#98 - [#97] Make the repository public

Release v2.0.1 (Project #2)

Notable Changes

• Code refactoring (#95)
• Update build configure (#91)
• Fix typos (#93)

All Changes

Pintos Core

• hangpark/pintos#95 - [#94] Delete declaration of pid_t in syscall.c

Documents

• hangpark/pintos#83 - [#92] Fix typos in README

Build Configures

• hangpark/pintos#91 - [#90] Update build configure

Release v2.0 (Project #2)

Notable Changes

• Support user processes (#49)
• Support basic system calls (#42)
  • halt()
  • exit()
  • exec()
  • wait()
  • create()
  • remove()
  • open()
  • filesize()
  • read()
  • write()
  • seek()
  • tell()
  • close()
• Prevent invalid user memory pointer (#47)

All Changes

Pintos Core

• hangpark/pintos#32 - [#7] Change process_wait() to an infinite loop
• hangpark/pintos#33 - [#30] Setting up esp value as PHYS_BASE - 12
• hangpark/pintos#39 - [#4] Implement argument passing
• hangpark/pintos#42 - [#6] Basic syscall handler and skeleton for each syscall
• hangpark/pintos#43 - [#18] Implement halt system call
• hangpark/pintos#46 - [#45] Fix addr of first arg and not use memcpy
• hangpark/pintos#47 - [#5] Validate user virtual address
• hangpark/pintos#49 - [#48] Define a process hierarchy
• hangpark/pintos#50 - [#8] Implement exit system call
• hangpark/pintos#51 - [#9] Implement exec system call
• hangpark/pintos#52 - [#10] Implement wait system call
• hangpark/pintos#55 - [#53] Delete exited proc from parent's child list
• hangpark/pintos#56 - [#54] Deny writing on the executable file
• hangpark/pintos#58 - [#57] Fix typo and append conding convention
• hangpark/pintos#60 - [#11] Implement create system call
• hangpark/pintos#61 - [#59] Check validity of user input pointer
• hangpark/pintos#62 - [#12] Implement remove system call
• hangpark/pintos#63 - [#13] Implement open system call
• hangpark/pintos#64 - [#17] Implement close system call
• hangpark/pintos#66 - [#14] Implement filesize system call
• hangpark/pintos#67 - [#15] Implement seek system call
• hangpark/pintos#68 - [#16] Implement tell system call
• hangpark/pintos#69 - [#65] Implement read system call
• hangpark/pintos#70 - [#31] Implement write system call
• hangpark/pintos#72 - [#71] Separte child infos into a new structure
• hangpark/pintos#74 - [#73] Avoid memory leak
• hangpark/pintos#77 - [#75] Follow coding conventions
• hangpark/pintos#80 - [#79] Remove duplicated file list initialization

Documents

• hangpark/pintos#83 - [#82] Move LICENSE to the root directory
• hangpark/pintos#84 - [#81] Update README

Project Configures

• hangpark/pintos#29 - [#28] Edit .gitignore and add text files
• hangpark/pintos#37 - [#36] Modify .gitignore to accept example dir in tracking scope
• hangpark/pintos#41 - [#40] Edit .gitignore to untrack build files
• hangpark/pintos#86 - [#85] Remove .cvsignore files

Build Configures

• hangpark/pintos#25 - [#24] Continuous integration by using Travis-CI
• hangpark/pintos#27 - [#26] Change simulator from qemu to bochs
• hangpark/pintos#35 - [#34] Change .travis.yml to not build on iss branch
• hangpark/pintos#78 - [#76] Change simulator to QEMU
• hangpark/pintos#88 - [#87] Update .travis.yml to not export pintos path

Release v1.0 (Project #1)

Notable Changes

• Re-implement timer_sleep() to avoid busy waiting (#1)
• Schedule threads by priority order (#2)
• Implement priority donations for locks (#3)

All Changes

Pintos Core

• hangpark/pintos#1 - Re-implement timer_sleep to avoid busy waiting
• hangpark/pintos#2 - Schedule threads by priority order
• hangpark/pintos#3 - Implement priority donations for locks
• hangpark/pintos#20 - [#19] Delete a blank in an empty line

Documents

• hangpark/pintos#22 - [#21] Update contributing rules

Release v0.1

Initial Pintos source codes by default.