Merge basic system calls with stack set-up infrastructure #27

Merged
td1223 merged 31 commits from user-programs into user-programs-stdout 2024-11-06 22:21:28 +00:00

31 Commits

Author SHA1 Message Date
Demetriades, Themis
014642c789 Merge branch 'user-programs-stdout' into 'user-programs'
# Conflicts:
#   src/userprog/process.c
2024-11-06 22:20:48 +00:00
Dias Alberto, Ethan
1a4afc9ec7 Merge branch 'system-calls' into 'user-programs'
# Conflicts:
#   src/userprog/process.c

Fix conflict in differing placeholder process_wait implementations
2024-11-06 16:56:43 +00:00
Dias Alberto, Ethan
5535cbae24 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
2024-11-06 16:45:53 +00:00
Dias Alberto, Ethan
f685086d05 Merge branch 'refactor-semaphore' into 'master'
Refactor synch.c to remove code duplication in lock release

See merge request lab2425_autumn/pintos_22!23
2024-11-06 16:42:26 +00:00
Dias Alberto, Ethan
2fefdef605 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
2024-11-06 16:41:49 +00:00
sBubshait
fcb7e9e441 Update setup_stack to temporarily fake set-up for a stack to prevent page faults in no arg user programs 2024-11-06 15:48:27 +00:00
sBubshait
ab716de0a6 Update process_wait to temporarily sleep for 1 second to allow user programs to run 2024-11-06 15:46:47 +00:00
sBubshait
91cef4d650 Refactor lock release and sema up to remove unnecessary code 2024-11-06 15:36:56 +00:00
sBubshait
5aac37d167 Add temporary fixes to process_wait and setup stack, w/ E 2024-11-05 23:28:17 +00:00
sBubshait
02fff62ca2 Refactor syscall.c to follow PintOS styling, w/ E 2024-11-05 23:24:41 +00:00
EDiasAlberto
f4290c31f3 Implement syscall_read for console input w/ S. 2024-11-05 23:20:18 +00:00
sBubshait
01933cb5de Implement the write system call, w/ E 2024-11-05 23:07:07 +00:00
EDiasAlberto
b3e23eb1cc Implement system call wait w/ S. 2024-11-05 22:48:35 +00:00
EDiasAlberto
421f2c1206 Refactor function names and includes in syscall.c to avoid conflicts w/ S. 2024-11-05 22:46:21 +00:00
sBubshait
e9c4061531 Implement the exit system call, w/ E 2024-11-05 22:38:45 +00:00
sBubshait
2dccd87a76 Update thread to add exit_status, intialised to -1, into the thread structure, w/ E 2024-11-05 22:38:09 +00:00
EDiasAlberto
f8e529e877 Add UNUSED tag to system call function skeletons w/ S. 2024-11-04 01:02:04 +00:00
EDiasAlberto
2a9ab5ec97 fix merge conflicts 2024-11-04 01:00:33 +00:00
EDiasAlberto
4c27aa0203 Complete syscall lookup table, and syscall stubs and skeletons w/ S. 2024-11-04 00:57:19 +00:00
sBubshait
5e2342fad7 Update syscall to make syscall_number an unsigned integer instead of an int 2024-11-04 00:49:47 +00:00
sBubshait
0d057da3dc Refactor syscall to follow PintOS style in adding space after after function name in calls 2024-11-04 00:48:36 +00:00
sBubshait
79f6a8e808 Fix Bug in syscall handler related to pointer arithmetic: add sizeof uintptr_t instead of 1 2024-11-04 00:44:55 +00:00
sBubshait
3a258cf064 Update validate_user_pointer to perform no memory checks when size is 0 2024-11-04 00:38:58 +00:00
sBubshait
e718159ed8 Update syscall to use screaming uppercase casing for a constant 2024-11-04 00:29:07 +00:00
sBubshait
ade8faf0f4 Update syscall to add more comments explaining the basic handler 2024-11-04 00:20:09 +00:00
sBubshait
d626b7a392 Implement basic syscall_handler using the lookup table, w/ E 2024-11-03 23:47:22 +00:00
EDiasAlberto
87126237ad Implement function to validate user memory pointers w/ S. 2024-11-03 23:20:42 +00:00
sBubshait
62453ef432 Add a look up table from system call numbers to their handler functions, w/ E 2024-11-03 22:54:03 +00:00
EDiasAlberto
c0f85a6bcc Implement skeleton for exit command w/ S. 2024-11-03 22:36:22 +00:00
EDiasAlberto
fa6dac2108 Implement halt system call w/ S. 2024-11-03 22:34:50 +00:00
sBubshait
0bf5fdb0e5 Add syscall_function type definition for the different syscall handlers, w/ E 2024-11-03 22:28:17 +00:00