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Kernel: Add x86_64 support for fork()
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4 changed files with 42 additions and 35 deletions
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@ -17,7 +17,6 @@ namespace Kernel {
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#define ENTER_THREAD_CONTEXT_ARGS_SIZE (2 * 4) // to_thread, from_thread
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extern "C" void thread_context_first_enter(void);
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extern "C" void do_assume_context(Thread* thread, u32 flags);
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extern "C" void exit_kernel_thread(void);
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// clang-format off
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@ -236,21 +235,6 @@ void Processor::switch_context(Thread*& from_thread, Thread*& to_thread)
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Processor::current().restore_in_critical(to_thread->saved_critical());
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}
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void Processor::assume_context(Thread& thread, FlatPtr flags)
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{
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dbgln_if(CONTEXT_SWITCH_DEBUG, "Assume context for thread {} {}", VirtualAddress(&thread), thread);
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VERIFY_INTERRUPTS_DISABLED();
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Scheduler::prepare_after_exec();
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// in_critical() should be 2 here. The critical section in Process::exec
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// and then the scheduler lock
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VERIFY(Processor::current().in_critical() == 2);
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do_assume_context(&thread, flags);
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VERIFY_NOT_REACHED();
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}
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UNMAP_AFTER_INIT void Processor::initialize_context_switching(Thread& initial_thread)
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{
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VERIFY(initial_thread.process().is_kernel_process());
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