kernel: Separate a thread's page directory into two

The self directory, and the active directory. The active directory is the one the thread is currently using, and the self directory is the one the thread owns. This lets us keep track of both, which fixes ext2 executables crashing the system.
kernel: Preserve the new page directory while exec() is running
2023-06-25 20:35:40 +02:00 · 2023-06-25 20:35:40 +02:00 · 2023-06-25 20:35:39 +02:00 · 2023-06-25 20:35:39 +02:00 · 2023-06-25 20:35:38 +02:00 · 2023-06-25 20:35:38 +02:00
1 changed files with 1 additions and 0 deletions
--- a/kernel/debug.cmake
+++ b/kernel/debug.cmake
@ -9,4 +9,5 @@ target_compile_definitions(moon PRIVATE REAP_DEBUG)
 target_compile_definitions(moon PRIVATE PCI_DEBUG)
 target_compile_definitions(moon PRIVATE EXT2_DEBUG)
 target_compile_definitions(moon PRIVATE DEVICE_REGISTRY_DEBUG)
 target_compile_definitions(moon PRIVATE FORK_DEBUG)
 target_compile_options(moon PRIVATE -fsanitize=undefined)
Author	SHA1	Message	Date
apio	e9e7b22323	kernel: Separate a thread's page directory into two All checks were successful continuous-integration/drone/pr Build is passing Details The self directory, and the active directory. The active directory is the one the thread is currently using, and the self directory is the one the thread owns. This lets us keep track of both, which fixes ext2 executables crashing the system.	2023-06-25 20:35:40 +02:00
apio	5f4103251a	kernel: Preserve the new page directory while exec() is running	2023-06-25 20:35:40 +02:00
apio	491416ddaf	tools: Bump up the ext2 filesystem size	2023-06-25 20:35:39 +02:00
apio	da689dd1a7	kernel/ext2: Allow reading up to 4 MB of data from files This is done by scanning the singly indirect pointer of the inode.	2023-06-25 20:35:39 +02:00
apio	41f578aa18	kernel/ext2: Add support for symbolic links	2023-06-25 20:35:38 +02:00
apio	34e1ef36b1	kernel: Make pivot_root() reset the parent entry of the new root directory Otherwise it would just be pointing to the old parent fs, and we don't want that.	2023-06-25 20:35:38 +02:00
apio	a62265b504	kernel/ext2: Implement directory traversal	2023-06-25 20:35:37 +02:00
apio	d7486326bf	tools: Generate the Ext2 filesystem using genext2fs instead mkbootimg's filenames have some kind of bug...	2023-06-25 20:35:37 +02:00
apio	4fe6c506ec	kernel/ext2: Implement Inode::read()	2023-06-25 20:35:37 +02:00
apio	77686b26f8	kernel/Ext2: Read the root inode metadata from the disk	2023-06-25 20:35:36 +02:00
apio	2aa7056e11	mount: Put the source argument first	2023-06-25 20:35:36 +02:00
apio	a9460469d9	kernel+libc+apps: Add a source parameter to the mount() system call	2023-06-25 20:35:35 +02:00
apio	707f64acb5	kernel: Add an Ext2 filesystem skeleton	2023-06-25 20:35:35 +02:00
apio	ddf63471a8	kernel: Add missing debug flag to debug.cmake All checks were successful continuous-integration/drone/push Build is passing Details	2023-06-25 20:35:15 +02:00