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Kernel: Cleanup returns from any kind on interrupts

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Bananymous
2023-08-01 14:23:50 +03:00
parent 13852e865c
commit 217dbca7b7
6 changed files with 57 additions and 71 deletions
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42
kernel/arch/x86_64/IDT.cpp
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@@ -138,7 +138,10 @@ namespace IDT
extern "C" void cpp_isr_handler(uint64_t isr, uint64_t error, Kernel::InterruptStack& interrupt_stack, const Registers* regs)
{
Kernel::Thread::current().save_sse();
bool from_userspace = (interrupt_stack.cs & 0b11) == 0b11;
if (from_userspace)
Kernel::Thread::current().save_sse();
pid_t tid = Kernel::Scheduler::current_tid();
pid_t pid = tid ? Kernel::Process::current().pid() : 0;
@@ -198,22 +201,23 @@ namespace IDT
Kernel::panic("Unhandled exception");
}
switch (Kernel::Thread::current().state())
{
case Kernel::Thread::State::Terminating:
ASSERT_NOT_REACHED();
case Kernel::Thread::State::Terminated:
// Don't continue exection when terminated
if (Kernel::Thread::current().state() == Kernel::Thread::State::Terminated)
Kernel::Scheduler::get().execute_current_thread();
default:
break;
if (from_userspace)
{
ASSERT(Kernel::Thread::current().state() != Kernel::Thread::State::Terminating);
Kernel::Thread::current().load_sse();
}
Kernel::Thread::current().load_sse();
}
extern "C" void cpp_irq_handler(uint64_t irq, Kernel::InterruptStack& interrupt_stack)
{
Kernel::Thread::current().save_sse();
bool from_userspace = (interrupt_stack.cs & 0b11) & 0b11;
if (from_userspace)
Kernel::Thread::current().save_sse();
if (Kernel::Scheduler::current_tid())
{
@@ -239,17 +243,15 @@ namespace IDT
Kernel::Scheduler::get().reschedule_if_idling();
switch (Kernel::Thread::current().state())
{
case Kernel::Thread::State::Terminating:
ASSERT_NOT_REACHED();
case Kernel::Thread::State::Terminated:
// Don't continue exection when terminated
if (Kernel::Thread::current().state() == Kernel::Thread::State::Terminated)
Kernel::Scheduler::get().execute_current_thread();
default:
break;
}
Kernel::Thread::current().load_sse();
if (from_userspace)
{
ASSERT(Kernel::Thread::current().state() != Kernel::Thread::State::Terminating);
Kernel::Thread::current().load_sse();
}
}
static void flush_idt()