Fix issues with merging, duplicate references and definition of VM

This commit is contained in:
sBubshait
2024-12-05 02:27:48 +00:00
parent f13fd435cd
commit c12cd95093
3 changed files with 2 additions and 24 deletions

View File

@@ -149,10 +149,6 @@ struct thread
struct hash open_files; /* Hash Table of FD -> Struct File. */ struct hash open_files; /* Hash Table of FD -> Struct File. */
#endif #endif
#ifdef VM
struct hash pages; /* Table of open user pages. */
#endif
void *curr_esp; void *curr_esp;
/* Owned by thread.c. */ /* Owned by thread.c. */

View File

@@ -1,7 +1,7 @@
# -*- makefile -*- # -*- makefile -*-
kernel.bin: DEFINES = -DUSERPROG -DFILESYS kernel.bin: DEFINES = -DUSERPROG -DFILESYS -DVM
KERNEL_SUBDIRS = threads devices lib lib/kernel userprog filesys KERNEL_SUBDIRS = threads devices lib lib/kernel userprog filesys vm
TEST_SUBDIRS = tests/userprog tests/userprog/no-vm tests/filesys/base TEST_SUBDIRS = tests/userprog tests/userprog/no-vm tests/filesys/base
GRADING_FILE = $(SRCDIR)/tests/userprog/Grading GRADING_FILE = $(SRCDIR)/tests/userprog/Grading
SIMULATOR = --qemu SIMULATOR = --qemu

View File

@@ -126,21 +126,3 @@ mmap_cleanup (struct hash_elem *e, void *aux UNUSED)
struct mmap_entry *mmap = hash_entry (e, struct mmap_entry, elem); struct mmap_entry *mmap = hash_entry (e, struct mmap_entry, elem);
mmap_unmap (mmap); mmap_unmap (mmap);
} }
/* Updates the 'owner' thread's page table entry for virtual address 'upage'
to have a present bit of 0 and stores the specified swap slot value in the
entry for later retrieval from disk. */
void
page_set_swap (struct thread *owner, void *upage, size_t swap_slot)
{
}
/* Given that the page with user address 'upage' owned by 'owner' is flagged
to be in the swap disk via the owner's page table, returns its stored
swap slot. Otherwise panics the kernel. */
size_t
page_get_swap (struct thread *owner, void *upage)
{
return 0;
}