Jeremy Soller
939c9567ee
Support 16550 uarts for aarch64 debug output
2024-10-29 14:06:00 -06:00
Jeremy Soller
161e578f29
Use null driver for unknown IRQ controllers on aarch64
2024-10-29 08:01:38 -06:00
Jeremy Soller
380532aea5
Improve reliability of aarch64 startup code
2024-10-29 08:00:57 -06:00
Jeremy Soller
15b0133b7b
Add arm,gic-400 support to GIC driver
2024-10-29 08:00:17 -06:00
Jeremy Soller
e4e55103ad
Remove old aarch64 asm code
2024-10-29 07:59:12 -06:00
Arthur Paulino
ea0356b26a
Address minor warts
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* Mention the need to have `nasm` available on the PATH in the README
* Replace the deprecated `hide_parse_errors` by `show_parse_errors` in `rustfmt.toml`
* Mark unused variables in `src/scheme/proc.rs`
2024-10-27 18:14:12 -03:00
Andrey Turkin
505425bec9
Expose riscv64/aarch64 legacy irqs (requiring remapping) to the irq scheme
2024-10-22 20:26:40 +03:00
Andrey Turkin
cba02a26fa
Rework irqchip to support risc-v irqs, and add risc-v irq chips handling
2024-10-22 19:16:21 +03:00
Andrey Turkin
906259c024
Pull irqchip from aarch64 code into more generic place
2024-10-21 19:56:32 +03:00
Andrey Turkin
1921c6814b
Initial RISC-V implementation
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Has no IRQ handling yet
2024-10-20 16:24:21 +03:00
Andrey Turkin
db32f5f7a3
Move some conditionally compiled code from common files into arch-gated files
2024-10-19 21:59:14 +03:00
Andrey Turkin
55041e2eeb
Use a custom config flag to conditionally compile DTB-specific areas
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Would be great if we could use a feature instead, but Cargo can't do target-specific defaults features
2024-10-19 21:03:43 +03:00
Andrey Turkin
0a6a90415a
Refactor initial memory paging
2024-10-19 08:44:46 +03:00
James
3fbd52a212
Made a change in context to the way arrays are resized. Slight change to the logic but resize_with should be slightly more efficient
2024-10-15 21:24:32 +11:00
Ron Williams
865122e92f
Fix serial console login
2024-10-10 18:45:14 +00:00
4lDO2
8d4ee26ff1
Fix profiling && + toggle support via debug scheme.
2024-10-07 10:20:51 +02:00
4lDO2
ad16b747ea
Restrict auto-fcntl to non-v2 schemes.
2024-09-27 21:36:22 +02:00
IncompententPirate
fc5d246b30
remove wrapper functions
2024-09-26 22:34:55 +00:00
Andrey Turkin
14eb140f7a
Refactor panic stack walking
2024-09-26 19:22:21 +03:00
Andrey Turkin
755694494b
Factor KernelMapper out of arch
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Same implementation on all the platforms. Also remove mutable Deref as it allowed circumventing RO check
2024-09-25 21:51:39 +03:00
4lDO2
539dc5a24e
Remove SYS_UMASK.
2024-09-25 19:55:39 +02:00
Andrey Turkin
d08861e586
Upgrade fdt library to the very latest
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The new helpers remove a lot of boilerplace. Unfortunately some rough edges still remain (in particular issue gh#12 which renders interrupts() helper useless)
2024-09-25 06:51:02 +03:00
4lDO2
71538efc06
Allow thread exit to optionally deallocate stack.
2024-09-24 19:18:23 +02:00
4lDO2
9a0192fc94
Prevent duplicate idempotent signals.
2024-09-24 19:18:23 +02:00
4lDO2
fcb2e2be3a
Pass si_uid and si_pid to kill signals.
2024-09-24 19:18:23 +02:00
4lDO2
7def7ce6e3
Extend size of sig{en,de}queue payload.
2024-09-24 19:18:22 +02:00
4lDO2
54b1fbe453
Implement queued signals.
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This currently needs to be done in the kernel for synchronization
reasons, but it's possible all delivery parts can later be moved to
userspace.
2024-09-24 19:18:22 +02:00
4lDO2
6d9cf30445
WIP: realtime signals
2024-09-24 19:18:20 +02:00
Andrey Turkin
dbbbfcf48a
Update RMM
2024-09-24 19:23:08 +03:00
4lDO2
960e79b107
Treat broken pipes as IO-capable in fevent.
2024-09-19 10:41:40 +02:00
4lDO2
ef499f81fc
Support compiling for host, allowing unit tests.
2024-09-17 19:24:23 +02:00
4lDO2
a0d0eac8aa
Optimally divide responsibility for borrow free.
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This appears to slightly improve performance.
2024-09-14 10:49:40 +02:00
4lDO2
031fdea089
Discard empty names in root scheme getdents.
2024-09-13 15:26:24 +02:00
4lDO2
e3e05ebca8
Fix root scheme order by using indexmap (tmp).
2024-09-11 22:09:29 +02:00
4lDO2
97f60de4ef
WIP: Add getdents opaque_id
2024-09-11 22:09:29 +02:00
4lDO2
339271b4d7
Add getdents syscall, and switch schemes to it.
2024-09-11 22:09:26 +02:00
Kamil Koczurek
548fd63264
tsc: calculate elapsed ticks using saturating_sub
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RDTSC readouts might not actually be monotonically increasing due to
desynchronization between CPU cores, so checked_sub was causing a kernel
panic.
2024-09-10 14:16:38 +02:00
4lDO2
652cdc7ef2
Replace repr(packed) with repr(C, packed).
2024-09-08 20:56:50 +02:00
4lDO2
815ac3da4a
Revert "Fix possible UB in rmm::init."
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This reverts commit 4626c74b78 .
2024-09-08 20:22:46 +02:00
4lDO2
4626c74b78
Fix possible UB in rmm::init.
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I tested compiling the kernel with a more recent rustc, and this
triggered UB. Don't know for sure why there was an invalid entry passed
to the kernel, but it did.
2024-09-07 23:14:55 +02:00
Jeremy Soller
0c99e1bd0a
Set xcr0 in all cases
2024-09-06 20:08:40 -06:00
Jeremy Soller
1c00450127
Use 64-bit versions of xsave and xrstor
2024-09-04 21:22:10 -06:00
4lDO2
09e7e66e00
Move scheme borrow unmap to cqe write.
2024-09-04 19:23:21 +02:00
Andrey Turkin
a558860e88
Fix BSS sanity check
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mark the canaries mutable so they go into data and bss and not in rodata
2024-09-04 10:55:20 +03:00
Andrey Turkin
7a9a5f024f
Validate bootstrap memory allocation
2024-09-04 10:55:16 +03:00
Andrey Turkin
ba154c0387
Fix a debug-build assertion
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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
Andrey Turkin
d2ebc7ff05
Wholesale fix of warnings
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Pretty straightforward changes. This commit tries to avoid making any non-trivial fixes.
2024-09-04 10:55:01 +03:00
Jacob Lorentzon
643d7400db
Implement paravirtualized KVM TSC support
2024-09-03 21:20:06 +00:00
4lDO2
441385ddb2
Always map the kernel itself using global pages.
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This avoids TLB stalls after context switching, that are very visible
from flamegraphs.
2024-08-31 10:44:54 +02:00
Ron Williams
19cd3ad287
Fix APIC reference in profiling.rs
2024-08-26 21:06:47 -07:00