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/** @file
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/** @file
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 *  @brief GXemul drivers.
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 *  @brief GXemul drivers.
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 */
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 */
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#include <interrupt.h>
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#include <interrupt.h>
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#include <ipc/irq.h>
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#include <console/chardev.h>
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#include <console/chardev.h>
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#include <arch/drivers/gxemul.h>
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#include <arch/drivers/gxemul.h>
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#include <console/console.h>
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#include <console/console.h>
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#include <sysinfo/sysinfo.h>
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#include <sysinfo/sysinfo.h>
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#include <print.h>
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#include <print.h>
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static irq_ownership_t gxemul_claim(irq_t *irq)
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static irq_ownership_t gxemul_claim(irq_t *irq)
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{
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{
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    return IRQ_ACCEPT;
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    return IRQ_ACCEPT;
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}
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}
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/** Acquire console back for kernel. */
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void gxemul_grab_console(void)
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{
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    ipl_t ipl = interrupts_disable();
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    spinlock_lock(&gxemul_console_irq.lock);
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    gxemul_console_irq.notif_cfg.notify = false;
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    spinlock_unlock(&gxemul_console_irq.lock);
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    interrupts_restore(ipl);
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}
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/** Return console to userspace. */
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void gxemul_release_console(void)
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{
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    ipl_t ipl = interrupts_disable();
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    spinlock_lock(&gxemul_console_irq.lock);
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    if (gxemul_console_irq.notif_cfg.answerbox) {
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        gxemul_console_irq.notif_cfg.notify = true;
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    }
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    spinlock_unlock(&gxemul_console_irq.lock);
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    interrupts_restore(ipl);
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}
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/** Initializes console object representing gxemul console.
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/** Initializes console object representing gxemul console.
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 *
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 *
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 *  @param devno device number.
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 *  @param devno device number.
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 */
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 */
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void gxemul_console_init(devno_t devno)
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void gxemul_console_init(devno_t devno)