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Age	Commit message (Collapse)	Author
2021-07-21	syscall parameter & return value passing	dzwdz
	Sadly, sysenter on i386 limits me to only 4 arguments (so, 1 for the syscall id + 3 real args). If that turns out to be an issue I'll either just switch to interrupts, or switch to x64.
2021-07-21	barebones syscall	dzwdz

2021-07-21	fix sysenter()'s stack argument	dzwdz
	It was taken from the wrong place - also I don't think that functions should change their EIP in the first place?
2021-07-21	simplify the IDT generation	dzwdz

2021-07-21	create ISR stubs, which call a single main isr handler	dzwdz
	quick explaination of how this even works: The `call` in each stub pushes its own address onto the stack before calling stage2. We can substract the address of the 0th ISR to get the offset, which we then divide by the size of each stub to get the index.
2021-07-20	remove an already finished TODO	dzwdz

2021-07-20	rename pagedir_use() to pagedir_switch()	dzwdz
	imo "use" was slightly misleading
2021-07-20	only enable paging when jumping into ring 0	dzwdz
	The kernel can't use the limited paging tables of user processes. Alternatively, sysenter could accept a parameter with a new cr3. That would allow/require using paging in the kernel - so I'll switch to it later, but I want to get other stuff done first.
2021-07-20	global PAGE_MASK define	dzwdz
	it's pretty useful, so it makes sense to define it alongside PAGE_SIZE
2021-07-19	fix some style inconsistenties	dzwdz

2021-07-19	very basic paging	dzwdz

2021-07-19	add a page fault handler	dzwdz

2021-07-18	clean up the linker script, remove duplicate labels	dzwdz

2021-07-18	fix most current compiler warnings	dzwdz
	stack_top got changed into a char, because `extern void` isn't even valid. others are self-explanatory
2021-07-18	move all kernel sources to src/kernel/	dzwdz