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#include <arch/types.h>
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#include <arch/types.h>
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#include <typedefs.h>
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#include <typedefs.h>
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#include <arch.h>
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#include <arch.h>
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#include <func.h>
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#include <func.h>
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#include <print.h>
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#include <print.h>
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#include <arch/atomic.h>
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/** Standard input character device. */
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/** Standard input character device. */
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chardev_t *stdin = NULL;
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chardev_t *stdin = NULL;
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chardev_t *stdout = NULL;
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chardev_t *stdout = NULL;
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__u8 _getc(chardev_t *chardev)
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__u8 _getc(chardev_t *chardev)
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{
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{
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    __u8 ch;
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    __u8 ch;
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    ipl_t ipl;
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    ipl_t ipl;
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    if (haltstate) {
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    if (atomic_get(&haltstate)) {
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        /* If we are here, we are hopefully on the processor, that
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        /* If we are here, we are hopefully on the processor, that
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         * issued the 'halt' command, so proceed to read the character
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         * issued the 'halt' command, so proceed to read the character
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         * directly from input
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         * directly from input
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         */
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         */
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        if (chardev->op->read)
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        if (chardev->op->read)
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            return chardev->op->read(chardev);
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            return chardev->op->read(chardev);
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        /* no other way of interacting with user, halt */
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        /* no other way of interacting with user, halt */
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        if (CPU)
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            printf("cpu%d: ", CPU->id);
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        else
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            printf("cpu: ");
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        printf("cpu: halted - no kconsole\n");
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        printf("halted - no kconsole\n");
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        cpu_halt();
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        cpu_halt();
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    }
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    }
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    waitq_sleep(&chardev->wq);
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    waitq_sleep(&chardev->wq);
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    ipl = interrupts_disable();
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    ipl = interrupts_disable();