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QoL improvements

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This commit is contained in:
Alex
2023-03-24 16:22:42 +02:00
parent 3d03f8943b
commit 9ce301907a
15 changed files with 378 additions and 326 deletions
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20
Core/Memory/StackGuard.cpp
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@ -8,35 +8,45 @@ namespace Memory
{
this->UserMode = User;
this->Table = Table;
if (this->UserMode)
{
void *AllocatedStack = KernelAllocator.RequestPages(TO_PAGES(USER_STACK_SIZE));
debug("AllocatedStack: %p", AllocatedStack);
memset(AllocatedStack, 0, USER_STACK_SIZE);
debug("AllocatedStack: %p", AllocatedStack);
for (size_t i = 0; i < TO_PAGES(USER_STACK_SIZE); i++)
{
Virtual(Table).Map((void *)(USER_STACK_BASE + (i * PAGE_SIZE)),
(void *)((uintptr_t)AllocatedStack + (i * PAGE_SIZE)),
PTFlag::RW | PTFlag::US);
debug("Mapped %p to %p", (void *)(USER_STACK_BASE + (i * PAGE_SIZE)),
(void *)((uintptr_t)AllocatedStack + (i * PAGE_SIZE)));
}
this->StackBottom = (void *)USER_STACK_BASE;
this->StackTop = (void *)(USER_STACK_BASE + USER_STACK_SIZE);
this->StackPhyiscalBottom = AllocatedStack;
this->StackPhyiscalTop = (void *)((uintptr_t)AllocatedStack + USER_STACK_SIZE);
this->Size = USER_STACK_SIZE;
}
else
{
this->StackBottom = KernelAllocator.RequestPages(TO_PAGES(STACK_SIZE));
this->StackPhyiscalBottom = this->StackBottom;
debug("StackBottom: %p", this->StackBottom);
memset(this->StackBottom, 0, STACK_SIZE);
debug("StackBottom: %p", this->StackBottom);
this->StackTop = (void *)((uintptr_t)this->StackBottom + STACK_SIZE);
this->StackPhyiscalBottom = this->StackBottom;
this->StackPhyiscalTop = this->StackTop;
this->Size = STACK_SIZE;
}
trace("Allocated stack at %p", this->StackBottom);
}
@ -54,7 +64,7 @@ namespace Memory
if (FaultAddress < (uintptr_t)this->StackBottom - USER_STACK_SIZE ||
FaultAddress > (uintptr_t)this->StackTop)
{
return false; // It's not about the stack.
return false; /* It's not about the stack. */
}
else
{
@ -77,7 +87,5 @@ namespace Memory
fixme("Not implemented and probably not needed");
return false;
}
error("Reached end of function! How?");
return false;
}
}