Dias Alberto, Ethan
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2fefdef605
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Merge branch 'user-programs-temporary-fix' into 'user-programs'
Temporary fixes for process waiting and stack setup to allow simple user programs to run
See merge request lab2425_autumn/pintos_22!24
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2024-11-06 16:41:49 +00:00 |
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sBubshait
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fcb7e9e441
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Update setup_stack to temporarily fake set-up for a stack to prevent page faults in no arg user programs
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2024-11-06 15:48:27 +00:00 |
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sBubshait
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ab716de0a6
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Update process_wait to temporarily sleep for 1 second to allow user programs to run
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2024-11-06 15:46:47 +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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Themis Demetriades
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b0c1923d44
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Update stack argument initialization behaviour to terminate creation of process on failing memory allocations
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2024-11-06 12:28:58 +00:00 |
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sBubshait
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5aac37d167
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Add temporary fixes to process_wait and setup stack, w/ E
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2024-11-05 23:28:17 +00:00 |
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sBubshait
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02fff62ca2
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Refactor syscall.c to follow PintOS styling, w/ E
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2024-11-05 23:24:41 +00:00 |
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EDiasAlberto
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f4290c31f3
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Implement syscall_read for console input w/ S.
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2024-11-05 23:20:18 +00:00 |
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sBubshait
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01933cb5de
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Implement the write system call, w/ E
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2024-11-05 23:07:07 +00:00 |
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EDiasAlberto
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b3e23eb1cc
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Implement system call wait w/ S.
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2024-11-05 22:48:35 +00:00 |
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EDiasAlberto
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421f2c1206
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Refactor function names and includes in syscall.c to avoid conflicts w/ S.
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2024-11-05 22:46:21 +00:00 |
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sBubshait
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e9c4061531
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Implement the exit system call, w/ E
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2024-11-05 22:38:45 +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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b4c41b0a6a
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Remove superfluous include in process.c
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2024-11-04 12:57:29 +00:00 |
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Themis Demetriades
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2a890d5bd2
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Reformat calculation of padding size in stack set-up to increase clarity
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2024-11-04 12:54:18 +00:00 |
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Themis Demetriades
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6c6ce77824
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Implement complete stack initialization for user processes, without accounting for overflow
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2024-11-04 01:11:19 +00:00 |
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EDiasAlberto
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f8e529e877
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Add UNUSED tag to system call function skeletons w/ S.
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2024-11-04 01:02:04 +00:00 |
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EDiasAlberto
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2a9ab5ec97
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fix merge conflicts
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2024-11-04 01:00:33 +00:00 |
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EDiasAlberto
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4c27aa0203
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Complete syscall lookup table, and syscall stubs and skeletons w/ S.
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2024-11-04 00:57:19 +00:00 |
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sBubshait
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5e2342fad7
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Update syscall to make syscall_number an unsigned integer instead of an int
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2024-11-04 00:49:47 +00:00 |
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sBubshait
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0d057da3dc
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Refactor syscall to follow PintOS style in adding space after after function name in calls
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2024-11-04 00:48:36 +00:00 |
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sBubshait
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79f6a8e808
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Fix Bug in syscall handler related to pointer arithmetic: add sizeof uintptr_t instead of 1
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2024-11-04 00:44:55 +00:00 |
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sBubshait
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3a258cf064
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Update validate_user_pointer to perform no memory checks when size is 0
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2024-11-04 00:38:58 +00:00 |
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sBubshait
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e718159ed8
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Update syscall to use screaming uppercase casing for a constant
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2024-11-04 00:29:07 +00:00 |
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sBubshait
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ade8faf0f4
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Update syscall to add more comments explaining the basic handler
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2024-11-04 00:20:09 +00:00 |
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Themis Demetriades
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6f9c911ebe
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Update start_process to pad process stack before pushing argv elements for performance
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2024-11-04 00:19:36 +00:00 |
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Themis Demetriades
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62d2cb54e5
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Update start_process to push pointers to process arguments onto the process thread's stack
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2024-11-04 00:16:04 +00:00 |
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Themis Demetriades
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92c681ff02
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Reformat start_process stack initialization code to follow style
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2024-11-04 00:04:08 +00:00 |
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Themis Demetriades
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34d6c15d73
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Update start_process to push process argument values to its thread's stack
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2024-11-04 00:00:56 +00:00 |
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sBubshait
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d626b7a392
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Implement basic syscall_handler using the lookup table, w/ E
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2024-11-03 23:47:22 +00:00 |
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EDiasAlberto
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87126237ad
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Implement function to validate user memory pointers w/ S.
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2024-11-03 23:20:42 +00:00 |
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sBubshait
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62453ef432
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Add a look up table from system call numbers to their handler functions, w/ E
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2024-11-03 22:54:03 +00:00 |
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EDiasAlberto
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c0f85a6bcc
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Implement skeleton for exit command w/ S.
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2024-11-03 22:36:22 +00:00 |
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EDiasAlberto
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fa6dac2108
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Implement halt system call w/ S.
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2024-11-03 22:34:50 +00:00 |
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sBubshait
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0bf5fdb0e5
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Add syscall_function type definition for the different syscall handlers, w/ E
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2024-11-03 22:28:17 +00:00 |
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Themis Demetriades
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e26b11cce6
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Update setup_stack skeleton to fake minimal stack set-up for testing purposes
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2024-11-03 18:04:42 +00:00 |
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Themis Demetriades
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eb458efa59
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Update process_wait skeleton to loop infinitely for testing purposes
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2024-11-03 17:38:38 +00:00 |
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Saleh Bubshait
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74efa5e652
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Merge branch 'task1/themis/thread-create-refactor' into 'master'
Refactor thread_create () to call thread_get_priority in order to retrieve priority
See merge request lab2425_autumn/pintos_22!21
Task_1_-_Scheduling
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2024-10-25 16:56:31 +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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Demetriades, Themis
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4c33653369
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Merge branch 'task1/saleh/priority-donation-refactoring' into 'master'
priority donation refactoring
See merge request lab2425_autumn/pintos_22!20
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2024-10-25 15:57:22 +00:00 |
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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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Demetriades, Themis
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bbb62d2ee7
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Merge branch 'gleb/fix-non-busy-sleep-bug' into 'master'
Remove unnecassary inter_disable from non-busy sleep
See merge request lab2425_autumn/pintos_22!19
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2024-10-25 14:19:36 +00:00 |
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Demetriades, Themis
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f8bdd30f09
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Merge branch 'gleb/bsd-priority-donation' into 'master'
Allow priority donation with BSD scheduler.
See merge request lab2425_autumn/pintos_22!18
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2024-10-25 14:19:18 +00:00 |
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869571108d
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Remove from sleeping_threads immediately, instead of when thread is scheduled
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2024-10-25 14:10:59 +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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Saleh Bubshait
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af31968e67
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Merge branch 'gleb/fix-bsd-ready-list-order' into 'master'
Re-sort ready_list when priorities update + PRI_UPDATE_FREQ
See merge request lab2425_autumn/pintos_22!17
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2024-10-25 08:32:08 +00:00 |
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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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sb3923
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c4cefbc2d5
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Merge branch 'merged-complete' into 'master'
Merge code refactors into main branch
See merge request lab2425_autumn/pintos_22!16
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2024-10-24 22:15:24 +00:00 |
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