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Kernel/PCI: Add helper to determine if device can access IO space
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2 changed files with 5 additions and 0 deletions
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@ -204,6 +204,10 @@ void disable_memory_space(Address address)
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{
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{
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write16(address, PCI_COMMAND, read16(address, PCI_COMMAND) & ~(1 << 1));
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write16(address, PCI_COMMAND, read16(address, PCI_COMMAND) & ~(1 << 1));
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}
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}
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bool is_io_space_enabled(Address address)
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{
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return (read16(address, PCI_COMMAND) & 1) != 0;
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}
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void enable_interrupt_line(Address address)
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void enable_interrupt_line(Address address)
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{
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{
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@ -204,6 +204,7 @@ private:
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};
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};
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ID get_id(PCI::Address);
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ID get_id(PCI::Address);
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bool is_io_space_enabled(Address);
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void enumerate(Function<void(Address, ID)> callback);
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void enumerate(Function<void(Address, ID)> callback);
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void enable_interrupt_line(Address);
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void enable_interrupt_line(Address);
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void disable_interrupt_line(Address);
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void disable_interrupt_line(Address);
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