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In embedded systems, a board support package (BSP) is the layer of software containing hardware-specific boot firmware, runtime firmware and device drivers and other routines that allow a given embedded operating system, for example a real-time operating system (RTOS), to function in a given hardware environment (a motherboard), integrated with the embedded operating system.[1][2][3] The board support package is usually provided by the SoC manufacturer (such as Qualcomm), and it can be modified by the OEM.