Themis Demetriades
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19d5b02341
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fix: remove use of USERPROG compiler flag specific code when the flag is disabled
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2024-12-04 23:48:51 +00:00 |
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Themis Demetriades
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0288e13206
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fix: don't discriminate between user and kernel page fault contexts for stack growth, lazy loading, and swapping
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2024-12-04 23:46:31 +00:00 |
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Themis Demetriades
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60faf995ea
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fix: lazy load executable files of user processes even when accessed in a kernel context
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2024-12-04 22:21:31 +00:00 |
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Themis Demetriades
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723055f485
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fix: only use lazy loading if VM flag is enabled
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2024-12-04 21:33:21 +00:00 |
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Themis Demetriades
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1e236a5c47
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Merge branch 'vm/lazy-loading' into vm/page-swap-synch
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2024-12-04 19:11:37 +00:00 |
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Themis Demetriades
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4bf6914cfa
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feat: incorporate lazy-loading data & helpers into supplemental page table
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2024-12-04 16:45:36 +00:00 |
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Themis Demetriades
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fb73d694bf
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fix: frame allocation now invalidates the victim process page directory, not the caller's
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2024-12-04 16:41:13 +00:00 |
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Themis Demetriades
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1b73e415d7
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fix: invalidate PTEs of evicted pages before eviction occurs to prevent modificationof pages mid-eviction
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2024-12-04 15:02:49 +00:00 |
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Themis Demetriades
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47a7dfae04
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refactor: add comments describing each type of page fault dealt by the page fault handler
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2024-12-03 21:47:59 +00:00 |
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EDiasAlberto
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9a3c8a1c38
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fix: grow stack upon page fault in kernel context to support syscall stack growth
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2024-12-03 20:56:10 +00:00 |
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Themis Demetriades
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08eafcf7ef
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feat: implement page swapping
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2024-12-03 16:53:47 +00:00 |
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Themis Demetriades
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df7d847978
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fix: remove stack fault checks for page faults outside user non-present addresses
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2024-12-02 21:07:17 +00:00 |
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Demetriades, Themis
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fbcd3c9f19
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ci: include dynamic stack growth tests in VM test pipeline
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2024-12-02 20:57:05 +00:00 |
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Themis Demetriades
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6190d1bee6
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fix: disable dynamic stack growth when VM flag is disabled
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2024-12-02 20:44:54 +00:00 |
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Themis Demetriades
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6adf2e743b
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refactor: dynamic stack growth functions to follow code style
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2024-12-02 19:50:40 +00:00 |
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Themis Demetriades
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05a48cf9c6
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refactor: page fault exception handler follows code style
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2024-12-01 23:36:55 +00:00 |
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Themis Demetriades
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bb16abdc0d
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refactor: supplemental page table helper functions follow code style
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2024-12-01 23:30:50 +00:00 |
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Demetriades, Themis
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8e278b349a
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Merge branch 'page-swap-helpers' into 'virtual-memory'
Implement helper functions for managing the supplemental page table
See merge request lab2425_autumn/pintos_22!55
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2024-12-01 21:47:30 +00:00 |
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Demetriades, Themis
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9d35beb2e4
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Merge branch 'virtual-memory' into 'page-swap-helpers'
# Conflicts:
# src/vm/frame.c
# src/vm/page.c
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2024-12-01 21:44:17 +00:00 |
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Themis Demetriades
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7ce512305e
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fix: remove DVM flag when compiling outside of vm directory
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2024-12-01 00:41:09 +00:00 |
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Demetriades, Themis
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775b73a3e9
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Merge branch 'ethan-stack-growth' into 'virtual-memory'
Implement dynamic stack growth
See merge request lab2425_autumn/pintos_22!54
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2024-11-30 23:21:33 +00:00 |
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Demetriades, Themis
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d8edc6d3fe
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Merge branch 'virtual-memory' into 'ethan-stack-growth'
# Conflicts:
# src/Makefile.build
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2024-11-30 23:21:16 +00:00 |
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Demetriades, Themis
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5682974f9d
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Merge branch 'vm/supplemental-page-table' into 'master'
Implement frame table & page eviction algorithm
See merge request lab2425_autumn/pintos_22!53
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2024-11-30 23:01:04 +00:00 |
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Themis Demetriades
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6f85d7642d
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feat: implement clock (second-chance) page eviction algorithm
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2024-11-30 22:40:13 +00:00 |
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EDiasAlberto
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94adc11f03
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Feat: implement page_get_swap and page_set_swap functions
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2024-11-30 03:21:34 +00:00 |
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EDiasAlberto
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40c553d68b
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Merge stack growth functions
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2024-11-30 01:54:28 +00:00 |
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EDiasAlberto
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13de832586
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Refactor stack growth code to remove messy conditions
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2024-11-29 23:52:05 +00:00 |
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EDiasAlberto
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5c661c2e24
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Feat: pointer validation checks string across multiple pages and handle kernel page faults
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2024-11-29 23:49:49 +00:00 |
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EDiasAlberto
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5f40d83e66
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Implement MMU-based user memory validation
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2024-11-29 23:03:31 +00:00 |
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Themis Demetriades
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149bb42889
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feat: implement clock (second-chance) page eviction algorithm
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2024-11-29 19:30:47 +00:00 |
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EDiasAlberto
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4f84a83611
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Refactor: abstract new page allocation to one general function and make helper functions static
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2024-11-27 19:41:22 +00:00 |
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EDiasAlberto
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c74a8c55aa
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Implement stack growth for system calls and add stack pointer tracking to thread
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2024-11-27 19:21:43 +00:00 |
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EDiasAlberto
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c670c29e47
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update stack growth header to fit virtual memory naming format
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2024-11-27 18:57:20 +00:00 |
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Themis Demetriades
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ea2725f606
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feat: implement frame table without thread safety
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2024-11-26 15:17:11 +00:00 |
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EDiasAlberto
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af7f2ba873
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Fix: Magic number in stackgrowth.c
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2024-11-26 04:54:00 +00:00 |
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EDiasAlberto
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3ef5264b6e
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feat: allow stack to grow for process up to 8MB in size
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2024-11-26 04:43:25 +00:00 |
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Demetriades, Themis
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605050e38d
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Merge branch 'code-review-2-changes' into 'master'
fix: code review 2 changes
See merge request lab2425_autumn/pintos_22!52
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2024-11-24 16:52:48 +00:00 |
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6225a2eb8b
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fix: ignore failing tests for now
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2024-11-24 16:22:13 +00:00 |
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aedb72246b
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fix: do not acquire filesys_lock for tell and seek
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2024-11-24 15:41:18 +00:00 |
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e1f0258f8e
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fix: handle malloc result in init_process_result
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2024-11-24 15:09:32 +00:00 |
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Saleh Bubshait
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eed4ce5130
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Merge branch 'single-exit-status' into 'master'
Use a single `exit_status` instead of two
See merge request lab2425_autumn/pintos_22!50
Task_2_-_User_Programs
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2024-11-15 18:08:25 +00:00 |
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8567434231
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Use a single exit_status instead of two
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2024-11-15 17:28:04 +00:00 |
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e76712d3fd
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Merge branch 'task2/thread-init-bug-fix' into 'master'
Fix Bug in fd_counter initialisation when USERPROG is not defined
See merge request lab2425_autumn/pintos_22!49
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2024-11-15 17:17:14 +00:00 |
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sBubshait
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8f82f9d747
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Fix Bug in fd_counter initialisation when USERPROG is not defined
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2024-11-15 16:57:16 +00:00 |
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Saleh Bubshait
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9ee29ac40a
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Merge branch 'child-results-hash-table' into 'master'
Implement hash table for child process results
See merge request lab2425_autumn/pintos_22!48
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2024-11-15 16:48:41 +00:00 |
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2566948a32
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Implement hash table for child process results
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2024-11-15 16:45:04 +00:00 |
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222aeff90f
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Merge branch 'task2/refactoring/saleh' into 'master'
Refactor System Calls and Process for Readability; Change FD to local counter and use it as hash
See merge request lab2425_autumn/pintos_22!47
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2024-11-15 16:41:12 +00:00 |
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sBubshait
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ea3b3594ea
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Update fd_hash to use the fd itself as the hash value for performance, w/ G & E
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2024-11-15 15:53:01 +00:00 |
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sBubshait
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6b1dbdd34f
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Update thread and syscall to use local fd counter instead global one, preventing overflow
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2024-11-15 15:48:56 +00:00 |
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sBubshait
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7daf4fb079
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Refactor process_exit to add more comments for readability
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2024-11-15 15:35:07 +00:00 |
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