Sinipelto/banan-os
1
0
Fork 0
forked from Bananymous/banan-os
Code Pull Requests Activity

Kernel: Rename thread stacks to more appropriate names

Browse Source
This commit is contained in:
Bananymous
2024-03-27 15:06:24 +02:00
parent 7c2933aae1
commit 1b65f850ee
5 changed files with 40 additions and 42 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
kernel/kernel/IDT.cpp
View File

@@ -179,20 +179,19 @@ namespace Kernel
if (isr == ISR::PageFault)
{
// Check if stack is OOB
auto& stack = Thread::current().stack();
auto& istack = Thread::current().interrupt_stack();
if (stack.vaddr() < interrupt_stack->sp && interrupt_stack->sp <= stack.vaddr() + stack.size())
; // using normal stack
else if (istack.vaddr() < interrupt_stack->sp && interrupt_stack->sp <= istack.vaddr() + istack.size())
; // using interrupt stack
auto& thread = Thread::current();
if (thread.userspace_stack_bottom() < interrupt_stack->sp && interrupt_stack->sp <= thread.userspace_stack_top())
; // using userspace stack
else if (thread.kernel_stack_bottom() < interrupt_stack->sp && interrupt_stack->sp <= thread.kernel_stack_top())
; // using kernel stack
else
{
derrorln("Stack pointer out of bounds!");
derrorln("rip {H}", interrupt_stack->ip);
derrorln("rsp {H}, stack {H}->{H}, istack {H}->{H}",
derrorln("rsp {H}, userspace stack {H}->{H}, kernel stack {H}->{H}",
interrupt_stack->sp,
stack.vaddr(), stack.vaddr() + stack.size(),
istack.vaddr(), istack.vaddr() + istack.size()
thread.userspace_stack_bottom(), thread.userspace_stack_top(),
thread.kernel_stack_bottom(), thread.kernel_stack_top()
);
Thread::current().handle_signal(SIGKILL);
goto done;