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Kernel: Share Processor class (and others) across architectures
About half of the Processor code is common across architectures, so let's share it with a templated base class. Also, other code that can be shared in some ways, like FPUState and TrapFrame functions, is adjusted here. Functions which cannot be shared trivially (without internal refactoring) are left alone for now.
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26 changed files with 943 additions and 860 deletions
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@ -674,7 +674,7 @@ ErrorOr<void> Process::do_exec(NonnullRefPtr<OpenFileDescription> main_program_d
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// and Processor::assume_context() or the next context switch.
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// If we used an InterruptDisabler that calls enable_interrupts() on exit, we might timer tick'd too soon in exec().
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Processor::enter_critical();
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previous_interrupts_state = processor_interrupts_state();
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previous_interrupts_state = Processor::interrupts_state();
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Processor::disable_interrupts();
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// NOTE: Be careful to not trigger any page faults below!
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@ -998,7 +998,7 @@ ErrorOr<FlatPtr> Process::sys$execve(Userspace<Syscall::SC_execve_params const*>
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// NOTE: This code path is taken in the non-syscall case, i.e when the kernel spawns
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// a userspace process directly (such as /bin/SystemServer on startup)
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restore_processor_interrupts_state(previous_interrupts_state);
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Processor::restore_interrupts_state(previous_interrupts_state);
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Processor::leave_critical();
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return 0;
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}
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