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Kernel: Factor our PreviousMode into RegisterState::previous_mode

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Various places in the kernel were manually checking the cs register for
x86_64, however to share this with aarch64 a function in RegisterState
is added, and the call-sites are updated. While we're here the
PreviousMode enum is renamed to ExecutionMode.
This commit is contained in:
Timon Kruiper 2023-01-08 16:16:08 +01:00 • committed by Andreas Kling
parent 247109cee6
commit fb10774862
11 changed files with 53 additions and 29 deletions
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2
Kernel/Scheduler.cpp
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@ -427,7 +427,7 @@ void Scheduler::timer_tick(RegisterState const& regs)
current_thread->update_time_scheduled(TimeManagement::scheduler_current_time(), true, false);
}
if (current_thread->previous_mode() == Thread::PreviousMode::UserMode && current_thread->should_die() && !current_thread->is_blocked()) {
if (current_thread->previous_mode() == ExecutionMode::User && current_thread->should_die() && !current_thread->is_blocked()) {
SpinlockLocker scheduler_lock(g_scheduler_lock);
dbgln_if(SCHEDULER_DEBUG, "Scheduler[{}]: Terminating user mode thread {}", Processor::current_id(), *current_thread);
current_thread->set_state(Thread::State::Dying);