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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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 */
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 /** @addtogroup ia32  
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/** @addtogroup ia32   
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 * @{
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 * @{
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 */
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 */
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/**
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/** @file
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 * @file
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 * @brief PIC driver.
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 *
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 * Programmable Interrupt Controller for UP systems based on i8259 chip.
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 */
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 */
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#include <arch/drivers/i8259.h>
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#include <arch/drivers/i8259.h>
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#include <cpu.h>
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#include <cpu.h>
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#include <arch/types.h>
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#include <arch/types.h>
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#include <arch/asm.h>
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#include <arch/asm.h>
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#include <arch.h>
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#include <arch.h>
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#include <print.h>
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#include <print.h>
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#include <interrupt.h>
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#include <interrupt.h>
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/*
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 * This is the PIC driver.
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 * Programmable Interrupt Controller for UP systems.
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 */
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static void pic_spurious(int n, istate_t *istate);
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static void pic_spurious(int n, istate_t *istate);
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void i8259_init(void)
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void i8259_init(void)
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{
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{
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    /* ICW1: this is ICW1, ICW4 to follow */
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    /* ICW1: this is ICW1, ICW4 to follow */
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#ifdef CONFIG_DEBUG
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#ifdef CONFIG_DEBUG
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    printf("cpu%d: PIC spurious interrupt\n", CPU->id);
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    printf("cpu%d: PIC spurious interrupt\n", CPU->id);
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#endif
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#endif
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}
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}
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 /** @}
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/** @}
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 */
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 */
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