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Kernel: Don't map interrupt stack as userspace accessable

This commit is contained in:
Bananymous 2023-09-28 21:58:24 +03:00
parent b51d2f5295
commit 6cf7e01fe9
1 changed files with 15 additions and 2 deletions
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17
kernel/kernel/Thread.cpp
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@ -122,8 +122,21 @@ namespace Kernel
thread->m_is_userspace = true; thread->m_is_userspace = true;
thread->m_stack = TRY(VirtualRange::create_to_vaddr_range(process->page_table(), 0x300000, KERNEL_OFFSET, m_userspace_stack_size, PageTable::Flags::UserSupervisor | PageTable::Flags::ReadWrite | PageTable::Flags::Present, true)); thread->m_stack = TRY(VirtualRange::create_to_vaddr_range(
thread->m_interrupt_stack = TRY(VirtualRange::create_to_vaddr_range(process->page_table(), 0x300000, KERNEL_OFFSET, m_interrupt_stack_size, PageTable::Flags::UserSupervisor | PageTable::Flags::ReadWrite | PageTable::Flags::Present, true)); process->page_table(),
0x300000, KERNEL_OFFSET,
m_userspace_stack_size,
PageTable::Flags::UserSupervisor | PageTable::Flags::ReadWrite | PageTable::Flags::Present,
true
));
thread->m_interrupt_stack = TRY(VirtualRange::create_to_vaddr_range(
process->page_table(),
0x300000, KERNEL_OFFSET,
m_interrupt_stack_size,
PageTable::Flags::ReadWrite | PageTable::Flags::Present,
true
));
thread->setup_exec(); thread->setup_exec();