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e16324887f
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MMU: Properly clear flags
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2022-11-15 19:10:19 +01:00 |
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3358454833
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Add getters for free, used and reserved memory
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2022-11-13 16:56:03 +01:00 |
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6a7097c9ec
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Add variables for the future
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2022-11-13 16:54:07 +01:00 |
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ae235e5538
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MMU: unmap and remap for x86_64
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2022-11-13 16:51:21 +01:00 |
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ba1bf72e1b
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Remove unused include
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2022-11-13 16:32:28 +01:00 |
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d6c56fb512
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Mapping finally works!!
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2022-11-13 16:31:32 +01:00 |
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4c4f72b865
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More MMU stuff, but writing still fails
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2022-11-13 15:33:53 +01:00 |
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d148e0aff7
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Initialize MemoryManager instead of MMU directly
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2022-11-13 14:29:59 +01:00 |
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705c2747de
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Add memory manager
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2022-11-13 14:29:15 +01:00 |
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6b95307b54
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Add init
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2022-11-13 12:20:53 +01:00 |
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ffbe5260a5
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Add Framebuffer stuff
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2022-11-13 11:25:15 +01:00 |
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82c2381ac9
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Serial printing!!
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2022-11-13 10:30:10 +01:00 |
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cf758fdfdc
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Initial commit :)
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2022-11-13 10:09:09 +01:00 |
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42efc21110
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Start implementing read and write support in tmpfs
write seems to work fine, read just hangs there, waiting.
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2022-11-12 20:11:26 +01:00 |
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046065c533
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Fix tmpfs
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2022-11-12 19:05:47 +01:00 |
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3451d50a37
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Try building a tmpfs, but weird stuff happens
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2022-11-12 18:13:41 +01:00 |
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000ffd1fae
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Scheduler: Handle weird cases when the task we're iterating on is null
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2022-11-12 18:12:42 +01:00 |
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37bb3273ce
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Kernel: Add a C interface to the logging system
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2022-11-12 18:12:18 +01:00 |
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511bb7a8c1
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Kernel: Make readdir() available in created InitRD directories
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2022-11-12 18:11:58 +01:00 |
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fa325072ac
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Kernel: Add __cxa_atexit and __cxa_finalize
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2022-11-12 17:43:57 +01:00 |
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de2451e553
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Kernel: Change up the logging in the kernel's PRNG
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2022-11-12 12:56:13 +01:00 |
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11ee01f269
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Kernel: Remove "checkpoint logging" in main.cpp
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2022-11-12 12:55:47 +01:00 |
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5c51b82f6a
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Kernel: Remove obtain_user_ref and add copy_typed_to and from_user
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2022-11-12 12:08:26 +01:00 |
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58fb422161
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Kernel: Return a Result in MemoryManager and strdup_from_user
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2022-11-12 11:56:40 +01:00 |
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662afad426
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Kernel: Add a Result class
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2022-11-12 11:30:28 +01:00 |
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559d074ce4
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Kernel: Make a more convenient wrapper for basename() and dirname()
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2022-11-12 10:39:25 +01:00 |
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4aa3bd3107
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Next version!
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2022-11-09 17:25:05 +01:00 |
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078f3f5862
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Kernel: Add a remainder to refactor the initial ramdisk code
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2022-11-09 16:07:49 +01:00 |
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d76af10e70
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Kernel: Move initrd into the fs/ folder
It makes more sense to put it in there.
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2022-11-09 16:03:16 +01:00 |
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60bd8d9418
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Kernel: Add an explanatory comment to the end of _start()
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2022-11-09 15:58:00 +01:00 |
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1ea216dfd1
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Kernel: Rename assert.h to ensure.h
The macro is named "ensure", the header file should reflect that.
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2022-11-09 15:28:35 +01:00 |
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da7ad8da5b
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Kernel: Show the file location when a check fails
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2022-11-09 15:23:59 +01:00 |
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ea94b331fb
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Scheduler: Use copy_to_user in a few system calls
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2022-11-09 15:20:53 +01:00 |
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accf7ee417
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libc: Add unimplemented st_nlink field
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2022-11-09 11:36:21 +01:00 |
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033c41cbd7
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Kernel: Rework the uid/gid system to make it compliant
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2022-11-09 09:54:07 +01:00 |
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98da473fdc
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Run clang-format
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2022-11-08 19:07:43 +01:00 |
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054d5a8bb4
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Build system: Prettify build
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2022-11-08 18:03:43 +01:00 |
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6f72f92493
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Kernel: Start preparing for recursive paging
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2022-11-08 17:12:59 +01:00 |
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5d94525c7a
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Kernel: Figure out why a program is misbehaving
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2022-11-06 18:12:25 +01:00 |
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44815b08c7
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Kernel: Use copy_from_user() and copy_to_user() in read/write
This is huge. Finally, we can do proper reads/writes with invalid addresses, or big buffers.
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2022-11-06 15:19:23 +01:00 |
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b2fb740d99
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Kernel: Refuse to mkdir any directory named . or ..
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2022-11-05 12:09:01 +01:00 |
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b78f6f269d
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Kernel: Omit displaying KernelHeap's buffer location in the log
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2022-11-05 11:59:00 +01:00 |
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9ab3ab7c40
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Kernel: Show init's exit status before restarting
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2022-11-05 11:56:16 +01:00 |
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b63a9f5ba9
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Kernel: Improve strdup_from_user and add copy to and from user
Still a bit funky, that's why we're not using it in read() and write() yet.
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2022-11-05 11:54:55 +01:00 |
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67f536cf91
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Kernel: Split number-parsing code into a separate file
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2022-11-05 10:50:58 +01:00 |
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d0efc106b0
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Kernel: Add UBSAN (Undefined Behaviour Sanitizer)
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2022-11-05 10:47:18 +01:00 |
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ffcaac0ca3
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Kernel: Add validate_user_write() and validate_user_read()
Not at copy_from_user and copy_to_user yet, but an improvement over blindly using physical memory.
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2022-11-04 22:46:48 +01:00 |
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cbc2e76082
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Remove the .elf suffix from the kernel filename
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2022-11-03 20:44:37 +01:00 |
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e5b2641019
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Kernel: Enforce W^X when loading executables
From now on, if an executable contains segments that
want to be loaded as both writable and executable,
we refuse and abort with ENOEXEC.
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2022-11-03 20:28:54 +01:00 |
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2c08de044f
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Kernel, libc: Add support for querying the framebuffer's scanline via ioctl()
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2022-11-03 20:20:22 +01:00 |
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