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git.ameliathe1st.gay Git - voyage-au-centre-des-fichiers.git/log
Amelia Coutard [Mon, 11 Dec 2023 12:49:48 +0000 (13:49 +0100)]
Simplified on_all_pages and added logging the global memory map
Amelia Coutard [Sun, 10 Dec 2023 10:34:07 +0000 (11:34 +0100)]
Simplified the page mapping editing function, and genericised it
Amelia Coutard [Sun, 10 Dec 2023 10:31:33 +0000 (11:31 +0100)]
More RAM for qemu, because I want my debugging to be more realistic
Amelia Coutard [Sat, 9 Dec 2023 01:22:12 +0000 (02:22 +0100)]
Added basic structure to get ready for making a new, clean, PML4T right after boot
Amelia Coutard [Wed, 6 Dec 2023 08:44:14 +0000 (09:44 +0100)]
Removed two useless lines. Not important
Amelia Coutard [Tue, 5 Dec 2023 16:35:07 +0000 (17:35 +0100)]
Simplified some getters and setters, with the new template definitions
Amelia Coutard [Tue, 5 Dec 2023 14:57:31 +0000 (15:57 +0100)]
Made page a template, to support all the different page sizes
Amelia Coutard [Tue, 5 Dec 2023 14:19:39 +0000 (15:19 +0100)]
Made the paging structures templates. No point yet, but soon
Amelia Coutard [Sat, 2 Dec 2023 23:32:18 +0000 (00:32 +0100)]
Removed useless __attribute__((packed))s
Amelia Coutard [Sat, 2 Dec 2023 23:29:08 +0000 (00:29 +0100)]
Added (but didn't implement yet) the close syscall
Amelia Coutard [Mon, 27 Nov 2023 13:09:52 +0000 (14:09 +0100)]
Implemented basic read/write of a virtual file corresponding to the serial port
Amelia Coutard [Mon, 27 Nov 2023 00:15:34 +0000 (01:15 +0100)]
Got ready to implement the first 4 syscalls, though, like, that's not done just yet
Amelia Coutard [Sun, 26 Nov 2023 23:53:46 +0000 (00:53 +0100)]
Changed the future API a bit. Also, changed the syscall handler a bit because 1) %rdx was broken and 2) I was actually probably never gonna need the second return register, because of that new API
Amelia Coutard [Thu, 23 Nov 2023 08:58:39 +0000 (09:58 +0100)]
Made the build system work with guix (and my channel, which will be updated at some point to include this
Amelia Coutard [Mon, 7 Aug 2023 01:30:05 +0000 (03:30 +0200)]
Added printing of the framebuffer memory range
Amelia Coutard [Mon, 7 Aug 2023 01:21:30 +0000 (03:21 +0200)]
Made my life easier: removed infinite printing in test programs
Amelia Coutard [Sun, 6 Aug 2023 21:35:15 +0000 (23:35 +0200)]
Added -Wfatal-errors, because it's easier to use
Amelia Coutard [Sun, 6 Aug 2023 01:54:28 +0000 (03:54 +0200)]
Added support for multiple startup modules, and a second module to test yield better
Amelia Coutard [Sun, 6 Aug 2023 01:53:57 +0000 (03:53 +0200)]
Fixed missing value init in elf loader
Amelia Coutard [Sun, 6 Aug 2023 01:52:05 +0000 (03:52 +0200)]
Fixed STAR register, and %cr3 on yield
Amelia Coutard [Sun, 6 Aug 2023 00:35:21 +0000 (02:35 +0200)]
Implemented yield syscall and added uses of it. Not tested well yet
Amelia Coutard [Sat, 5 Aug 2023 23:22:01 +0000 (01:22 +0200)]
Removed println syscall
Amelia Coutard [Sat, 5 Aug 2023 00:43:31 +0000 (02:43 +0200)]
Fixed memory laundering and an assert
Amelia Coutard [Sat, 5 Aug 2023 00:22:22 +0000 (02:22 +0200)]
Implemented ports and processes better.
Amelia Coutard [Tue, 1 Aug 2023 22:21:36 +0000 (00:21 +0200)]
Fixed code and doc a tiny bit
Amelia Coutard [Tue, 1 Aug 2023 04:00:06 +0000 (06:00 +0200)]
Changed processes to save all (general-purpose) registers on syscalls (except for r11 and rcx, of course). Will keep working on them later
Amelia Coutard [Tue, 1 Aug 2023 02:55:19 +0000 (04:55 +0200)]
Changed doc a bit
Amelia Coutard [Thu, 6 Jul 2023 18:45:33 +0000 (20:45 +0200)]
Changed IPC method again. Gonna start implementation now
Amelia Coutard [Sat, 17 Jun 2023 01:54:09 +0000 (03:54 +0200)]
Removed dependency on correct user stack for syscall. Simplified code slightly as well
Amelia Coutard [Thu, 15 Jun 2023 02:33:36 +0000 (04:33 +0200)]
Modified build system a bit, to fix mistakes and simplify it. Only very small changes
Amelia Coutard [Thu, 1 Jun 2023 03:34:51 +0000 (05:34 +0200)]
Removed caching for RAM: should fix any possible errors because of different cache rules overlapping. Will make it good eventually
Amelia Coutard [Thu, 1 Jun 2023 03:05:32 +0000 (05:05 +0200)]
Updated dirty hack
Amelia Coutard [Sat, 8 Apr 2023 22:15:15 +0000 (00:15 +0200)]
Saved all registers required by the system V ABI. (Except for the disabled SSE2 one.)
Amelia Coutard [Mon, 27 Mar 2023 13:59:36 +0000 (15:59 +0200)]
Made a first change to the setup of the processes, to allow for correct saving of the registers on a process switch. Not finished yet
Amelia Coutard [Sun, 26 Mar 2023 02:24:29 +0000 (04:24 +0200)]
Made types a bit better
Amelia Coutard [Sun, 26 Mar 2023 02:14:56 +0000 (04:14 +0200)]
Made ints print in base 10
Amelia Coutard [Sun, 26 Mar 2023 02:08:35 +0000 (04:08 +0200)]
Added printing of phys_ptrs and pointers
Amelia Coutard [Sun, 26 Mar 2023 01:52:53 +0000 (03:52 +0200)]
Added phys_ptr<void>
Amelia Coutard [Sun, 26 Mar 2023 01:35:30 +0000 (03:35 +0200)]
Reimplemented the page allocator
Amelia Coutard [Sun, 19 Mar 2023 02:03:05 +0000 (03:03 +0100)]
Simplified implementation of `allocate` a bit
Amelia Coutard [Sun, 19 Mar 2023 01:04:17 +0000 (02:04 +0100)]
Implemented memset and memcpy, to make some for loops clearer
Amelia Coutard [Sat, 18 Mar 2023 20:12:58 +0000 (21:12 +0100)]
Made multiboot2.hpp a bit cleaner
Amelia Coutard [Tue, 14 Mar 2023 15:48:24 +0000 (16:48 +0100)]
Encapsulated running the first process into a function
Amelia Coutard [Tue, 14 Mar 2023 11:50:37 +0000 (12:50 +0100)]
Added missing save of rflags
Amelia Coutard [Mon, 13 Mar 2023 22:45:46 +0000 (23:45 +0100)]
Made the stack pages load lazily
Amelia Coutard [Mon, 13 Mar 2023 22:45:16 +0000 (23:45 +0100)]
Changed the handlers a bit, to make the code a bit simpler and clearer
Amelia Coutard [Mon, 13 Mar 2023 22:44:24 +0000 (23:44 +0100)]
Changed compile options a bit
Amelia Coutard [Mon, 13 Mar 2023 22:43:45 +0000 (23:43 +0100)]
Changed the instruction that jumps to ring 3 from sysretq to iretq
Amelia Coutard [Mon, 13 Mar 2023 14:22:22 +0000 (15:22 +0100)]
Wrote a new spec for the syscalls
Amelia Coutard [Mon, 13 Mar 2023 14:14:51 +0000 (15:14 +0100)]
Moved the loading of the elf program before the aquisition of most physical memory, in order to allow for freeing the corresponding multiboot module more easily
Amelia Coutard [Mon, 13 Mar 2023 13:48:40 +0000 (14:48 +0100)]
Changed basically nothing
Amelia Coutard [Sat, 11 Mar 2023 01:11:37 +0000 (02:11 +0100)]
Fixed mmap_print syscall, to work with the new processes data structures
Amelia Coutard [Sat, 11 Mar 2023 01:09:12 +0000 (02:09 +0100)]
Added automatic page mapping on some page faults. Also fixed a critical bug in the implementation of interrupt handlers with a error code
Amelia Coutard [Fri, 10 Mar 2023 17:06:39 +0000 (18:06 +0100)]
Moved elf loading to elf64.?pp, added the start of the needed architecture for multiple processes and IPC
Amelia Coutard [Fri, 10 Mar 2023 17:04:18 +0000 (18:04 +0100)]
Avoided future, and probably current, problems by enabling -fno-strict-aliasing
Amelia Coutard [Mon, 6 Mar 2023 19:14:57 +0000 (20:14 +0100)]
Added syscall to show userspace vmemory, to make debugging the kernel easier
Amelia Coutard [Mon, 6 Mar 2023 16:09:48 +0000 (17:09 +0100)]
Removed global bit on the low-memory mapping of the kernel: it was a mistake
Amelia Coutard [Sun, 5 Mar 2023 23:45:34 +0000 (00:45 +0100)]
Added the global bit to all pages in the higher half
Amelia Coutard [Sun, 5 Mar 2023 23:40:35 +0000 (00:40 +0100)]
Edited os::paging::setup_pages a bit. Notably, the global bit is now set for all hhigher-half memory
Amelia Coutard [Sun, 5 Mar 2023 22:43:58 +0000 (23:43 +0100)]
Edited comments a tiny bit
Amelia Coutard [Sun, 5 Mar 2023 18:57:14 +0000 (19:57 +0100)]
Used different comment symbol for .S files copyright & licence notices
Amelia Coutard [Sun, 5 Mar 2023 18:56:36 +0000 (19:56 +0100)]
Enable global bit for paging
Amelia Coutard [Sun, 5 Mar 2023 17:58:08 +0000 (18:58 +0100)]
Moved most asm simple utils to utils.?pp. Also fixed invlpg usage
Amelia Coutard [Sun, 5 Mar 2023 03:00:02 +0000 (04:00 +0100)]
Moved the code to initialise an empty page in the PML4T to paging.cpp
Amelia Coutard [Sun, 5 Mar 2023 02:58:32 +0000 (03:58 +0100)]
Merged stuff because I be silly
Amelia Coutard [Sun, 5 Mar 2023 02:54:37 +0000 (03:54 +0100)]
Added IPC design to doc.txt
Amelia Coutard [Sat, 4 Mar 2023 02:12:34 +0000 (03:12 +0100)]
Added basic API for IPC in doc.txt. Not implemented yet
Amelia Coutard [Wed, 1 Mar 2023 14:19:32 +0000 (15:19 +0100)]
Added support for haing multiple different syscalls (via a call jump table)
Amelia Coutard [Wed, 1 Mar 2023 13:57:54 +0000 (14:57 +0100)]
Fixed elf page-alignment necessity. Now only requires no page overlap
Amelia Coutard [Wed, 1 Mar 2023 13:09:38 +0000 (14:09 +0100)]
Removed assert that had become useless.
Amelia Coutard [Wed, 1 Mar 2023 01:17:23 +0000 (02:17 +0100)]
Added naming information to doc.txt
Amelia Coutard [Wed, 1 Mar 2023 01:12:19 +0000 (02:12 +0100)]
Fixed naming (amycros still present in some places). Also fixed .gitignore for naming and test_module (special case no longer needed)
Amelia Coutard [Tue, 28 Feb 2023 22:24:56 +0000 (23:24 +0100)]
Added a doc.txt file to specify the kernel documentation, and added a corresponding assert in the code
Currently, the documentation specifies how virtual memory is used.
The added assert ensures that any loaded elf program's segments are within the specified bounds.
Amelia Coutard [Tue, 28 Feb 2023 21:21:28 +0000 (22:21 +0100)]
Added missing copyright & licence disclaimers, and fixed the existing ones
Amelia Coutard [Tue, 28 Feb 2023 20:52:59 +0000 (21:52 +0100)]
Removed the linker script from the test module: it was unneeded
Amelia Coutard [Tue, 28 Feb 2023 01:35:20 +0000 (02:35 +0100)]
Fixed namespace-ending comments where that was needed
Amelia Coutard [Tue, 28 Feb 2023 01:34:35 +0000 (02:34 +0100)]
Removed some logging
Amelia Coutard [Mon, 27 Feb 2023 16:55:49 +0000 (17:55 +0100)]
Fixed bug in page counting for elf file loading. Added support for writeable segments of elf files (RO is still RO)
Amelia Coutard [Mon, 27 Feb 2023 12:32:10 +0000 (13:32 +0100)]
Added missing stack to ftl_to_userspace
Amelia Coutard [Mon, 27 Feb 2023 11:47:20 +0000 (12:47 +0100)]
Implemented an elf64 loader for test_module
Amelia Coutard [Mon, 27 Feb 2023 00:39:56 +0000 (01:39 +0100)]
Edited Makefile a bit to make it cleaner
Amelia Coutard [Sun, 26 Feb 2023 22:58:04 +0000 (23:58 +0100)]
Revamped build system, and rewrote test module to be simpler and more correct (though still not actually just producing an elf. Coming soon)
Amelia Coutard [Sun, 26 Feb 2023 14:28:37 +0000 (15:28 +0100)]
Moved .section .text where it makes sense
Amelia Coutard [Sat, 25 Feb 2023 15:08:23 +0000 (16:08 +0100)]
Moved some source files to a `lib` directory.
Amelia Coutard [Sat, 25 Feb 2023 13:15:03 +0000 (14:15 +0100)]
Added missing stuff to the .gitignore
Amelia Coutard [Sat, 25 Feb 2023 13:14:15 +0000 (14:14 +0100)]
Changed the text printed by the userspace a bit
Amelia Coutard [Sat, 25 Feb 2023 13:13:37 +0000 (14:13 +0100)]
Updated gcc version in the Makefile hack
Amelia Coutard [Sat, 25 Feb 2023 13:12:49 +0000 (14:12 +0100)]
Changed the logged text a bit
Amelia Coutard [Sun, 16 Oct 2022 00:12:37 +0000 (02:12 +0200)]
Made it so arg_n have to all be specified or all missing, no weird combining of the two. Also added convertion to a common type, to instanciate less occurences of print_nth_helper::operator%
Amelia Coutard [Sun, 16 Oct 2022 00:09:51 +0000 (02:09 +0200)]
Fixed error in rule for creating isodir/boot/test-module
Amelia Coutard [Sat, 15 Oct 2022 10:01:17 +0000 (12:01 +0200)]
Added actual string formatting to the printing.
Amelia Coutard [Fri, 14 Oct 2022 14:17:48 +0000 (16:17 +0200)]
Added start symbol, to start transitioning the module to elf64
Amelia Coutard [Fri, 14 Oct 2022 07:07:03 +0000 (09:07 +0200)]
Fixed bug about dependencies in the kernel's module.mk
Amelia Coutard [Thu, 13 Oct 2022 23:38:56 +0000 (01:38 +0200)]
Added the userspace module to the repo
It's not made to last, so don't worry about the lack of cleanness. I'll
implement elf64 soon-ish.
Amelia Coutard [Thu, 13 Oct 2022 23:18:08 +0000 (01:18 +0200)]
Added CC0 licence (for Makefiles), and renamed COPYING accordingly
Amelia Coutard [Thu, 13 Oct 2022 23:17:24 +0000 (01:17 +0200)]
Restructured build system, to allow for easier adding of separate programs later
Amelia Coutard [Thu, 13 Oct 2022 14:47:08 +0000 (16:47 +0200)]
Made ftl_to_userspace jump to a loaded module at linear address 0x1000, instead of a function in the higher-half
Amelia Coutard [Thu, 13 Oct 2022 14:45:51 +0000 (16:45 +0200)]
Made the physical pages returned by the allocator null, to avoid any unexpected bugs. Might change later
Amelia Coutard [Thu, 13 Oct 2022 09:26:43 +0000 (11:26 +0200)]
Changed the page tables to use bitfields
Amelia Coutard [Tue, 11 Oct 2022 21:39:27 +0000 (23:39 +0200)]
Removed docs.txt. Will remake later