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Kernel: Mark kernel stack regions as... stack regions

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This commit is contained in:
Conrad Pankoff 2019-12-24 11:19:40 +11:00 • committed by Andreas Kling
parent b557aab884
commit 0cb89f5927
1 changed files with 2 additions and 0 deletions
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2
Kernel/Thread.cpp
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@ -85,6 +85,7 @@ Thread::Thread(Process& process)
if (m_process.is_ring0()) {
m_kernel_stack_region = MM.allocate_kernel_region(default_kernel_stack_size, String::format("Kernel Stack (Thread %d; Ring0)", m_tid), false, true);
m_kernel_stack_region->set_stack(true);
m_kernel_stack_base = m_kernel_stack_region->vaddr().get();
m_kernel_stack_top = m_kernel_stack_region->vaddr().offset(default_kernel_stack_size).get() & 0xfffffff8u;
m_tss.esp = m_kernel_stack_top;
@ -92,6 +93,7 @@ Thread::Thread(Process& process)
} else {
// Ring3 processes need a separate stack for Ring0.
m_kernel_stack_region = MM.allocate_kernel_region(default_kernel_stack_size, String::format("Kernel Stack (Thread %d; Ring3)", m_tid), false, true);
m_kernel_stack_region->set_stack(true);
m_kernel_stack_base = m_kernel_stack_region->vaddr().get();
m_kernel_stack_top = m_kernel_stack_region->vaddr().offset(default_kernel_stack_size).get() & 0xfffffff8u;
m_tss.ss0 = 0x10;