52 Commits

Author	SHA1	Message	Date
apio	6fcf059da0	kernel/CPU: Allow passing arbitrary data to interrupt handlers	2023-06-03 21:02:34 +02:00
apio	79d00dafff	kernel/x86_64: Add a way to register IRQ handlers from other kernel subsystems	2023-06-03 21:02:33 +02:00
apio	11a4f8cc90	kernel: Wake the parent process when a child exits because of a page fault	2023-05-28 21:50:13 +02:00
apio	72dadc6706	kernel: Define a constant to check for default memory access	2023-05-07 21:38:38 +02:00
apio	b25e212880	kernel: Make a generic function for checking memory flags	2023-05-07 21:37:01 +02:00
apio	293a992133	kernel: Add a kernel_wait_for_event() function to avoid weird calls to kernel_wait in kthreads	2023-05-04 23:43:00 +02:00
apio	4a7f68b989	kernel: Add a convenience wake_up() function	2023-05-04 23:35:54 +02:00
apio	3ed9e578c7	kernel/x86_64: Wake the IO thread up only when there is an IO event, instead of polling every 10 ms	2023-05-04 23:07:09 +02:00
apio	abaf24d0da	kernel/CPU: Move some stuff to StringView	2023-05-03 17:35:46 +02:00
apio	77dcfab5ef	kernel: Run the initialization process in a thread ... This way we can give it more stack and also reclaim it later!	2023-04-28 13:23:07 +02:00
apio	5d56638851	kernel: Ignore all non-bootstrap processors	2023-04-22 12:25:43 +02:00
apio	d48d0efb07	kernel: Add names to threads	2023-03-24 21:05:38 +01:00
apio	d63c8abbfd	kernel/x86_64: Terminate page faults in a waitpid-friendly way	2023-03-24 00:52:17 +01:00
apio	03adaa356c	kernel: Avoid printing keypresses twice	2023-03-23 21:33:50 +01:00
apio	d33fccc66f	kernel: Implement reading from /dev/console	2023-03-19 19:15:19 +01:00
apio	cd00e41f59	arch/x86_64: Decode keyboard scancodes	2023-03-19 11:17:43 +01:00
apio	e30eec4213	kernel/x86_64: Avoid kernel panics when a page fault occurs in a userspace thread	2023-03-07 21:08:05 +01:00
apio	ca85a69442	kernel: Save floating-point environment when switching in and out of userspace threads	2023-03-07 20:59:11 +01:00
apio	794567327f	kernel, luna: Port non-VFS changes over from pull request #22 ... OwnedPtr, SharedPtr: Add operator bool Option, Result: Make try_move_value() non-const since it modifies the Option kernel: Switch to a stack we control for the main task as soon as we leave early boot Heap: Fix GPF caused when making many small allocations Heap: Avoid accessing a block after it's potentially deleted luna: Skip UBSAN.cpp in CMakeLists as that's not implemented yet luna: Use spinlocks in the heap implementation kernel, luna: Move Spinlock.h to luna Option: Use __builtin_launder to ensure that the compiler doesn't label this as UB SharedPtr: Implement make_shared using adopt_shared SharedPtr: Delete ptr on failure in all adopt_shared* functions	2023-02-25 17:09:03 +01:00
apio	de04c094e7	x86_64: Skip enabling WP for now until I find how to check for its availability	2023-01-23 20:06:45 +01:00
apio	631cdd0204	x86_64/CPU: Skip null instruction pointers on stack trace generation	2023-01-16 20:44:45 +01:00
apio	87a4bc91d8	arch/x86_64: Nicer display for page faults that shows a human-readable version of the error code	2023-01-06 17:31:22 +01:00
apio	fd8a0175d9	Add a syscall infrastructure (our baby program can print to the console now!)	2023-01-05 22:39:56 +01:00
apio	0aac6c888d	x86_64: Basic exit() syscall! ... User processes need to do something, amirite?	2023-01-05 21:53:48 +01:00
apio	5854e5e530	Add newlines at end-of-file	2023-01-02 13:07:29 +01:00
apio	7952d1d8a0	x86_64: Add basic keyboard support with an ASYNC DRIVER	2022-12-26 19:59:18 +01:00
apio	0054777e7d	x86_64: Warn if NX is not supported	2022-12-26 12:11:10 +01:00
apio	59d69f684f	x86_64: Add general protection fault handler	2022-12-24 11:49:47 +01:00
apio	2e8ea724a0	arch/x86_64: Refactor the stack tracing code to remove duplicate code	2022-12-21 17:21:01 +01:00
apio	95b0091622	Split off arch/x86_64/CPU.cpp into various files	2022-12-17 15:45:06 +01:00
apio	59c9d8f119	asm -> asm volatile	2022-12-17 14:32:24 +01:00
apio	9d6235e109	CPU: Add a pause() method	2022-12-17 10:45:55 +01:00
apio	59765aa334	Rename String.h -> CString.h ... Let's not confuse String.h with a managed string class, it's in fact the equivalent of the C stdlib's <string.h>	2022-12-16 20:40:04 +01:00
apio	c8302a4fef	Add convenience functions to print the stack trace directly	2022-12-07 18:11:24 +01:00
apio	0d437cfcca	Add support for stack traces	2022-12-07 17:39:59 +01:00
apio	c907e16311	x86_64: Invoke the scheduler every millisecond	2022-12-07 16:11:59 +00:00
apio	5d988c088f	Make idle_loop noreturn	2022-12-07 16:11:59 +00:00
apio	fd6a74e61c	CPU: Add an idle_loop method	2022-12-07 16:11:59 +00:00
apio	1badc40a4a	Run include-what-you-use everywhere	2022-12-07 11:40:02 +01:00
apio	8ff9cb4b96	x86_64: Add a friendlier handler for page faults	2022-12-05 21:02:21 +01:00
apio	4f183958e3	General constness + [[gnu::packed]] everywhere	2022-12-05 16:13:38 +01:00
apio	c7ab6bc2d3	Reorganize the luna/ directory so that headers aren't in the top level include path	2022-12-04 12:42:43 +01:00
apio	bed29e71af	Replace some uses of check() with expect()	2022-12-04 12:25:16 +01:00
apio	985d45ddfb	Switch to logging functions everywhere	2022-11-30 17:16:36 +01:00
apio	d2856d8812	Provide meaningful error numbers	2022-11-30 17:13:59 +01:00
apio	847f2b4f4c	Replace more usage of stdint.h types with Luna's Types.h	2022-11-19 22:25:03 +01:00
apio	83bcac7a16	Kernel: Introduce a timer interface	2022-11-19 20:01:01 +01:00
apio	762ca844d8	Add CPU::platform_string	2022-11-18 21:04:53 +01:00
apio	109de54822	Provide stubbed handlers for many more x86 exceptions ... I am now officially a big-boy OS developer, I read the Intel manuals for this!! (Not that the OSDev wiki doesn't have the information, but it was missing descriptions for some more obscure exceptions)	2022-11-18 20:51:25 +01:00
apio	7f15ba0ac5	Add some interrupt handling	2022-11-16 17:37:18 +01:00