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598189fddb
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Merge branch 'vm/page-swap-synch' into vm/shared-read-only-executables
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2024-12-05 02:12:12 +00:00 |
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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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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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f2aba977b4
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fix: extract supplemental and shared_files initialisation
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2024-12-04 11:17:46 +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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sBubshait
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0b08893aaf
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Update page_load to create and use the shared read-only pages of executables, w/ G
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2024-11-30 01:54:10 +00:00 |
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sBubshait
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f4910bdefb
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Initialised shared_files global hash table, w/ G
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2024-11-30 01:23:33 +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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sBubshait
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14fc96febf
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Implement Supplemental Page Table (SPT) per thread along with structure for its entries, w/ G
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2024-11-28 17:54:15 +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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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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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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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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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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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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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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6a1d10a19b
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Refactor synch to follow PintOS curly braces indentation style in if statements
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2024-11-15 13:51:10 +00:00 |
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dd979f34c8
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Fix syn-read, syn-write, and always free elements from donors_list
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2024-11-12 21:30:23 +00:00 |
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Themis Demetriades
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d878dbc132
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Fix bug in userprog-merge where file writes were denied in the wrong thread
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2024-11-12 16:22:32 +00:00 |
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Demetriades, Themis
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47c3657b65
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Merge branch 'process-wait' into 'userprog-merge'
Fix race-condition in process result (memory leak), fix infinite loop in donors_list
See merge request lab2425_autumn/pintos_22!33
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2024-11-11 22:24:39 +00:00 |
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EDiasAlberto
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98a5818406
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add file_deny_write and file_allow_write to process creation and exiting to make executable read-only
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2024-11-11 17:55:24 +00:00 |
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18c884234d
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Fix race-condition in process result (memory leak), fix infinite loop in donors_list
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2024-11-11 17:35:49 +00:00 |
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EDiasAlberto
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5b1e4b561b
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merge process-wait
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2024-11-11 15:50:21 +00:00 |
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sBubshait
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115c650c55
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Fix Bug in thread initialisation: only init hash if USERPROG is defined
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2024-11-08 19:10:42 +00:00 |
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EDiasAlberto
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92e93b8060
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Implement syscall for file opening and refactor open_files initialisation in thread.c w/ S.
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2024-11-08 15:33:47 +00:00 |
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sBubshait
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5bd94894e0
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Update thread structure to add a hash table of open files and initialise it, w/ E
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2024-11-08 15:13:04 +00:00 |
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6ed1ccd21e
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Fix process_result locking by acquiring in process_wait as well to prevent freeing memory too early
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2024-11-08 10:50:10 +00:00 |
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84fe637c7e
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Remove process_result lock since it is an invalid solution
TODO : synchronise process_result in another way
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2024-11-08 09:16:18 +00:00 |
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fde70dcf59
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Implement process_wait.
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2024-11-08 03:56:15 +00:00 |
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7349b4e66f
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Fix typo list_insert -> list_push_back for thread.child_results
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2024-11-08 03:55:34 +00:00 |
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ec8547aec9
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Implement creation of process results
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2024-11-08 03:31:48 +00:00 |
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ddcd59fdf8
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Add child and own process result information to struct thread
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2024-11-08 03:30:58 +00:00 |
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Dias Alberto, Ethan
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5535cbae24
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Merge branch 'master' into 'system-calls'
Merge refactor and removal of duplicated code into section-specific branch
See merge request lab2425_autumn/pintos_22!25
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2024-11-06 16:45:53 +00:00 |
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sBubshait
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91cef4d650
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Refactor lock release and sema up to remove unnecessary code
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2024-11-06 15:36:56 +00:00 |
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sBubshait
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2dccd87a76
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Update thread to add exit_status, intialised to -1, into the thread structure, w/ E
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2024-11-05 22:38:09 +00:00 |
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Themis Demetriades
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4066354f8a
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Refactor thread_create () to call thread_get_priority in order to retrieve priority
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2024-10-25 17:03:18 +01:00 |
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sBubshait
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c2414ec54d
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Add priority_less for comparing threads based on priority and Refactor sema up to use list_max for clarity
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2024-10-25 16:04:55 +01:00 |
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sBubshait
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30ab3ae861
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Update thread_create to only yield CPU to the new thread if necessary
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2024-10-25 15:47:19 +01:00 |
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sBubshait
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81309dcda9
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Refactor sema_up to follow PintOS styling of if statements
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2024-10-25 15:44:56 +01:00 |
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6e072a557f
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Allow priority donation with BSD scheduler.
- Recalculate priority with donations after BSD priority updates
- Remove mlfqs checks from lock_acquire
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2024-10-25 14:03:55 +01:00 |
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093c6efd30
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Re-sort ready_list when priorities update + PRI_UPDATE_FREQ
- PRI_UPDATE_FREQ is a separate value from TIME_SLICE, they just
happen to be set the same.
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2024-10-25 09:13:27 +01:00 |
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EDiasAlberto
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b88baede64
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rename recent_cpu update function
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2024-10-24 22:45:49 +01:00 |
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EDiasAlberto
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7d196ffc57
|
adjust spacing around brackets to fit styling conventions
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2024-10-24 22:30:38 +01:00 |
|
EDiasAlberto
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39f4edd5e6
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remove unnecessary curly brace in thread_tick ()
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2024-10-24 22:09:28 +01:00 |
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EDiasAlberto
|
60acc2e58d
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refactor thread_mlfqs checks in synch.c
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2024-10-24 21:46:39 +01:00 |
|
EDiasAlberto
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a6a0c4ad25
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remove empty lines in thread.c
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2024-10-24 20:47:30 +01:00 |
|
EDiasAlberto
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74657bbf9c
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reorder init_thread for clarity
|
2024-10-24 20:34:44 +01:00 |
|
EDiasAlberto
|
0b230131f1
|
refactor thread struct to keep all changes together
|
2024-10-24 20:17:39 +01:00 |
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