Commit Graph

92 Commits

Author SHA1 Message Date
bjorn3 5a6117b5ae Replace the log crate with a custom logging system
This avoids the need to explicitly set a logger early during boot, which
reduces the amount of moving parts that could go wrong slightly. And it
cuts the kernel image size by 13kb.
2025-09-13 18:55:16 +02:00
bjorn3 cea93f7647 cargo fix --edition & rustfmt
Or to be precise:
RUST_TARGET_PATH=$(pwd)/targets cargo fix --edition \
--target targets/x86_64-unknown-kernel.json \
--target targets/i686-unknown-kernel.json \
--target targets/aarch64-unknown-kernel.json \
--target targets/riscv64-unknown-kernel.json \
-Zbuild-std=core,alloc --allow-dirty --bin kernel
cargo fmt
2025-09-10 16:44:36 +02:00
Anhad Singh 08231eb4df feat(mremap): KEEP_OLD
Signed-off-by: Anhad Singh <andypython@protonmail.com>
Co-authored-by: @4lDO2
2024-12-11 16:08:08 +11:00
Jeremy Soller 4db9673e2a Support SPCR and clean up device memory allocation 2024-10-31 10:53:58 -06:00
Andrey Turkin 0a6a90415a Refactor initial memory paging 2024-10-19 08:44:46 +03:00
IncompententPirate fc5d246b30 remove wrapper functions 2024-09-26 22:34:55 +00:00
Andrey Turkin 755694494b Factor KernelMapper out of arch
Same implementation on all the platforms. Also remove mutable Deref as it allowed circumventing RO check
2024-09-25 21:51:39 +03:00
Andrey Turkin ba154c0387 Fix a debug-build assertion
A range of usable memory could be small enough not to have any MAX_ORDER sized frames.
2024-09-04 10:55:11 +03:00
4lDO2 d94baa2712 Run rustfmt. 2024-07-15 17:50:18 +02:00
4lDO2 5e7db80285 Fix a bunch of warnings. 2024-07-15 17:48:45 +02:00
4lDO2 9b68d4de80 Fix add_ref(Shared) refcounting bug. 2024-07-15 17:20:55 +02:00
4lDO2 295cc820e6 WIP: userspace signal handling 2024-07-15 17:20:55 +02:00
Andrey Turkin 9c639af217 Fix debug assertion bug 2024-07-12 23:15:33 +03:00
4lDO2 2f1551a6bb Mark allocated p2frame used *before* freelist unlock. 2024-03-26 17:07:37 +01:00
4lDO2 b5523df187 Only support power-of-two frame allocations. 2024-03-24 14:40:15 +01:00
4lDO2 b2d52d6736 Implement allocator free/used bookkeeping. 2024-03-24 14:27:25 +01:00
4lDO2 12282439b6 Reduce dead code, fix aarch64. 2024-03-23 23:51:12 +01:00
4lDO2 7261dccb72 Fix i686. 2024-03-23 16:54:47 +01:00
4lDO2 299a829ff3 Remove debug code. 2024-03-22 17:21:17 +01:00
4lDO2 676368f5d2 Fix booting to desktop. 2024-03-22 16:35:29 +01:00
4lDO2 c0f3b6ccca Fix refcount assert 2024-03-22 13:32:14 +01:00
4lDO2 660acb4d94 Improve debugging 2024-03-22 13:32:14 +01:00
4lDO2 343f89f240 Fix unaligned section end append_pages. 2024-03-22 13:32:14 +01:00
4lDO2 baf46a3555 Far more progress 2024-03-22 13:32:13 +01:00
4lDO2 f4d270c7ce Ensure freelist does not contain used pages. 2024-03-22 13:31:24 +01:00
4lDO2 a847e4745c More progress 2024-03-22 13:31:24 +01:00
4lDO2 d2dc3302a7 Remove RefCount::Zero.
Only the allocator is allowed to switch between 0 and 1. Refcounts above
1 are however controlled by the virtual memory system.
2024-03-22 13:31:22 +01:00
4lDO2 3a8821e73b Hopefully fix most UB 2024-03-22 13:28:21 +01:00
4lDO2 08784e7166 More progress 2024-03-22 13:27:50 +01:00
4lDO2 c349e4cd83 Fix allocate_frames_complex 2024-03-22 13:26:03 +01:00
4lDO2 4fccc4b87b Some of userspace now boots! 2024-03-22 13:26:03 +01:00
4lDO2 bb01f0af66 More allocation progress 2024-03-22 13:26:03 +01:00
4lDO2 cfe153eb85 Fix section creation. 2024-03-22 13:25:57 +01:00
4lDO2 fe7244a8cd Ensure both set_next and set_prev are called. 2024-03-22 13:25:08 +01:00
4lDO2 2ba9ff720c Doubly-linked list. 2024-03-22 13:25:07 +01:00
4lDO2 0e8c187a50 WIP: Implement more of deallocate_p2frame. 2024-03-22 13:21:52 +01:00
4lDO2 fc19d63af9 Store aligned addrs rather than PFNs in Frame. 2024-03-22 13:19:19 +01:00
4lDO2 fd86bb4860 Try to naturally align sections. 2024-03-22 13:18:07 +01:00
4lDO2 d5b1ad2cd5 WIP: Improve allocation performance 2024-03-22 13:17:59 +01:00
bjorn3 e81113349c Fix get_page_info for frames in the last memory section 2024-03-13 19:41:24 +01:00
4lDO2 79381249a2 Implement a TLB shootdown draft. 2024-03-04 19:03:00 +01:00
Jeremy Soller 45f1c4e29e Add rustfmt from relibc and apply it with cargo fmt 2024-01-17 13:52:01 -07:00
4lDO2 ee3aafa1d9 Remove PhysBorrowed hacks. 2023-12-15 15:14:40 +01:00
4lDO2 875a130843 Remove SYS_PHYSALLOC* and SYS_PHYSFREE. 2023-12-15 15:14:40 +01:00
bjorn3 2d065083df Use HashMap instead of BTreeMap where possible
This shrinks the kernel from 905840 bytes to 862408 bytes.
2023-12-13 19:55:20 +01:00
bjorn3 2aea52a94b Remove the sole usage of the const_option feature 2023-12-12 20:21:31 +00:00
bjorn3 82a87be7d5 Avoid usage of the unstable Allocator trait
And also optimize init_sections to use the fact that allocate_frames
returns zeroed frames.
2023-12-12 20:21:31 +00:00
bjorn3 017702d3d2 Remove a lot of dead code 2023-12-12 15:01:29 +00:00
4lDO2 0c90802ae0 Fix RaiiFrame deallocation. 2023-08-08 11:57:57 +02:00
4lDO2 4688090dea Fix RaiiFrame typo. 2023-08-03 16:46:42 +02:00