Commit Graph

18 Commits

Author SHA1 Message Date
Themis Demetriades
2811ea0eb3 fix: SPT never removes entries until process termination or special case 2024-12-05 22:05:02 +00:00
Themis Demetriades
d03e253046 feat: implement synchronisation to protecting access to PTEs of SPTs during eviction 2024-12-05 16:51:15 +00:00
sBubshait
f13fd435cd Merge remote-tracking branch 'origin/vm/page-swap-synch' into vm/virtual-memory/saleh
# Conflicts:
#	.gitlab-ci.yml
#	src/Makefile.build
#	src/threads/thread.c
#	src/userprog/exception.c
#	src/userprog/process.c
#	src/vm/frame.c
#	src/vm/page.c
#	src/vm/page.h
#	src/vm/stackgrowth.c
#	src/vm/stackgrowth.h
2024-12-05 02:21:53 +00:00
EDiasAlberto
ac31fb1e1e feat: set accessed bit to allocated frames in page_load and get_usr_kpage 2024-12-05 01:41:23 +00:00
sBubshait
26a2d40325 Implement implicitly unmapping all mmapped files when a process exits. Refactor to reduce duplication 2024-12-04 22:00:59 +00:00
Themis Demetriades
1e236a5c47 Merge branch 'vm/lazy-loading' into vm/page-swap-synch 2024-12-04 19:11:37 +00:00
sBubshait
941e1e067a Update SPT page entry to change type from EXECUTABLE to PAGE_FILE to capture mmaps in addition to executables 2024-12-04 17:51:30 +00:00
Themis Demetriades
4bf6914cfa feat: incorporate lazy-loading data & helpers into supplemental page table 2024-12-04 16:45:36 +00:00
Themis Demetriades
1b73e415d7 fix: invalidate PTEs of evicted pages before eviction occurs to prevent modificationof pages mid-eviction 2024-12-04 15:02:49 +00:00
Themis Demetriades
08eafcf7ef feat: implement page swapping 2024-12-03 16:53:47 +00:00
Themis Demetriades
bb16abdc0d refactor: supplemental page table helper functions follow code style 2024-12-01 23:30:50 +00:00
EDiasAlberto
94adc11f03 Feat: implement page_get_swap and page_set_swap functions 2024-11-30 03:21:34 +00:00
Themis Demetriades
149bb42889 feat: implement clock (second-chance) page eviction algorithm 2024-11-29 19:30:47 +00:00
sBubshait
92d0b68243 Fix: Avoid closing the file after loading segments to be able to lazily load from file without opening, w/ G 2024-11-29 14:32:55 +00:00
sBubshait
801fd7d310 Implement page fault for lazy loading executables, w/ G 2024-11-28 20:03:50 +00:00
sBubshait
97e6e0fb1e Add SPT Helper Functions: Insert, Get, Cleanup w/ G 2024-11-28 18:18:52 +00:00
sBubshait
14fc96febf Implement Supplemental Page Table (SPT) per thread along with structure for its entries, w/ G 2024-11-28 17:54:15 +00:00
Themis Demetriades
1e6b90da0d Implement skeleton for swapping frames into disk 2024-11-26 18:59:46 +00:00