apio/Luna
1
1
Fork 0
Code Issues Pull Requests Actions Projects Releases 8 Wiki Activity

The kernel page directory is already there

Browse Source 
This doesn't fix anything...
This commit is contained in:
apio 2022-10-16 10:35:21 +02:00
parent 9070d17477
commit 08eb18307b
2 changed files with 11 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
kernel/src/memory/AddressSpace.cpp
View File

@ -142,6 +142,5 @@ AddressSpace AddressSpace::clone() // FIXME: Add out-of-memory checks to this fu
}
}
}
VMM::install_kernel_page_directory_into_address_space(result);
return result;
}

10
kernel/src/memory/VMM.cpp
View File

@ -275,13 +275,19 @@ void VMM::install_kernel_page_directory_into_address_space(AddressSpace& space)
PageTable* kernel_last_pdp = (PageTable*)kernel_pml4->entries[511].get_address();
PageTable* kernel_last_pd = (PageTable*)kernel_last_pdp->entries[511].get_address();
PageTable* space_last_pdp = (PageTable*)PMM::request_page();
PageDirectoryEntry& space_last_pdp_pde = space_pml4->entries[511];
PageTable* space_last_pdp;
if (!space_last_pdp_pde.present)
{
space_last_pdp = (PageTable*)PMM::request_page();
space_last_pdp_pde.present = true;
space_last_pdp_pde.read_write = true;
space_last_pdp_pde.set_address((uint64_t)space_last_pdp);
}
else { space_last_pdp = (PageTable*)space_last_pdp_pde.get_address(); }
PageDirectoryEntry& space_last_pd_pde = space_last_pdp->entries[511];