diff options
Diffstat (limited to 'Kernel/Arch/x86/x86_64/Processor.cpp')
| -rw-r--r-- | Kernel/Arch/x86/x86_64/Processor.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/Kernel/Arch/x86/x86_64/Processor.cpp b/Kernel/Arch/x86/x86_64/Processor.cpp index 7db6c9ad4c..01c41a0481 100644 --- a/Kernel/Arch/x86/x86_64/Processor.cpp +++ b/Kernel/Arch/x86/x86_64/Processor.cpp @@ -88,6 +88,7 @@ u32 Processor::init_context(Thread& thread, bool leave_crit) // TODO: handle NT? VERIFY((cpu_flags() & 0x24000) == 0); // Assume !(NT | VM) +#if 0 auto& tss = thread.tss(); bool return_to_user = (tss.cs & 3) != 0; @@ -116,7 +117,6 @@ u32 Processor::init_context(Thread& thread, bool leave_crit) // However, the first step is to always start in kernel mode with thread_context_first_enter RegisterState& iretframe = *reinterpret_cast<RegisterState*>(stack_top); // FIXME: copy state to be recovered through TSS - TODO(); // make space for a trap frame stack_top -= sizeof(TrapFrame); @@ -161,6 +161,9 @@ u32 Processor::init_context(Thread& thread, bool leave_crit) tss.gs = GDT_SELECTOR_DATA0; tss.ss = GDT_SELECTOR_DATA0; tss.fs = GDT_SELECTOR_PROC; +#else + TODO(); +#endif return stack_top; } @@ -202,11 +205,15 @@ UNMAP_AFTER_INIT void Processor::initialize_context_switching(Thread& initial_th auto& tss = initial_thread.tss(); m_tss = tss; +#if 0 m_tss.esp0 = tss.esp0; m_tss.ss0 = GDT_SELECTOR_DATA0; // user mode needs to be able to switch to kernel mode: m_tss.cs = m_tss.ds = m_tss.es = m_tss.gs = m_tss.ss = GDT_SELECTOR_CODE0 | 3; m_tss.fs = GDT_SELECTOR_PROC | 3; +#else + TODO(); +#endif m_scheduler_initialized = true; |