Themis Demetriades
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a19f02fad7
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Move user process stack initialization into a helper function
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2024-11-08 16:46:18 +00:00 |
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sBubshait
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8912ef4660
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Implement writing to file system files in the write system call, w/ E
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2024-11-08 16:26:47 +00:00 |
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EDiasAlberto
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18694d7b62
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Implement file reading syscall and fix fd validation w/ S.
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2024-11-08 16:25:49 +00:00 |
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sBubshait
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2a1cc3c361
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Implement filesize and tell system calls, w/ E
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2024-11-08 16:14:53 +00:00 |
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EDiasAlberto
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3cfbe198e0
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Implement syscall for seek w/ S.
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2024-11-08 16:10:46 +00:00 |
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EDiasAlberto
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75bd3fbde0
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Implement syscall for close() and fix typing bug in fd_get_file w/ S.
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2024-11-08 16:02:51 +00:00 |
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Themis Demetriades
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b866fa88cd
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Refactor process.c to use FNAME_MAX_LEN constant
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2024-11-08 15:54:47 +00:00 |
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sBubshait
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a80084e907
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Fix Bug in fd_get_file declaration use open_file instead of file, w/ E
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2024-11-08 15:54:28 +00:00 |
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sBubshait
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5424276603
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Add a helper function to get a file from its descriptor (FD), w/ E
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2024-11-08 15:50:48 +00:00 |
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Themis Demetriades
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b64434fb9d
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Move definition of maximum file name length from <syscall> to file.h
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2024-11-08 15:41:35 +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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sBubshait
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5bbe7a03c0
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Add in syscall hash helper functions for open_file struct: fd_hash and fd_less, w/ E
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2024-11-08 15:12:08 +00:00 |
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sBubshait
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b112824a64
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Implement the exec system call through process_execute, w/ E
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2024-11-08 14:41:27 +00:00 |
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EDiasAlberto
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dca9d8f5a3
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Implement syscall for file removal w/ S.
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2024-11-08 14:35:23 +00:00 |
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EDiasAlberto
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a8676f2e09
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Implement syscall for file creation, with relevant locks w/ S.
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2024-11-08 14:34:08 +00:00 |
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sBubshait
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26e38be761
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Update validate_user_pointer to check if the ptr is mapped to a physical memory address, w/ E
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2024-11-08 14:21:16 +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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d95894085b
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Implement syscall_exec via process_execute
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2024-11-08 09:15:22 +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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Demetriades, Themis
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ed09e0b08e
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Merge branch 'system-calls' into 'master'
Add support for some basic system calls and args handling correctly.
See merge request lab2425_autumn/pintos_22!29
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2024-11-07 19:36:29 +00:00 |
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sBubshait
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39018419cd
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Fix Bug in Process.c to print the exit statement in process_exit instead of exit syscall to handle unexpected/bad exits
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2024-11-07 12:15:29 +00:00 |
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sBubshait
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6a3cf67d33
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Fix Bug in process.c initialising a char to NULL
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2024-11-07 11:55:26 +00:00 |
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sBubshait
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2bfde66d22
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Merge remote-tracking branch 'origin/user-programs-stdout' into system-calls
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2024-11-07 11:45:36 +00:00 |
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Themis Demetriades
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273fb48b31
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Fix stack initialization to pass stack addreses (rather than thread addresses) for the arguments and only pass name a single time
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2024-11-07 00:40:52 +00:00 |
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Themis Demetriades
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26ae7ac02e
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Fix bug in stack creation which would count one extra argument for argc
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2024-11-06 23:57:48 +00:00 |
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Themis Demetriades
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1ca9d09512
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Update exit () syscall to print correct termination message
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2024-11-06 23:01:10 +00:00 |
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Themis Demetriades
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b2764cfa0c
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Revert setup_stack pointer decrement 'hack' faking stack initialization
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2024-11-06 22:46:11 +00:00 |
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Themis Demetriades
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4020a140d2
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Fix removal of 'timer.h' include needed for calling timer_sleep in process module
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2024-11-06 22:36:43 +00:00 |
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Demetriades, Themis
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87dd84a9b9
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Merge branch 'user-programs' into 'user-programs-stdout'
Merge basic system calls with stack set-up infrastructure
See merge request lab2425_autumn/pintos_22!27
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2024-11-06 22:21:28 +00:00 |
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Demetriades, Themis
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014642c789
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Merge branch 'user-programs-stdout' into 'user-programs'
# Conflicts:
# src/userprog/process.c
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2024-11-06 22:20:48 +00:00 |
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Dias Alberto, Ethan
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dfa42b9d25
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Merge branch 'user-programs' into 'system-calls'
Implement fake stack and temporary timer change
See merge request lab2425_autumn/pintos_22!26
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2024-11-06 16:57:10 +00:00 |
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Dias Alberto, Ethan
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1a4afc9ec7
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Merge branch 'system-calls' into 'user-programs'
# Conflicts:
# src/userprog/process.c
Fix conflict in differing placeholder process_wait implementations
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2024-11-06 16:56:43 +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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Dias Alberto, Ethan
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f685086d05
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Merge branch 'refactor-semaphore' into 'master'
Refactor synch.c to remove code duplication in lock release
See merge request lab2425_autumn/pintos_22!23
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2024-11-06 16:42:26 +00:00 |
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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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