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Rev 1888 Rev 1936
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#include <interrupt.h>
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#include <interrupt.h>
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#include <console/chardev.h>
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#include <console/chardev.h>
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#include <arch/drivers/msim.h>
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#include <arch/drivers/msim.h>
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#include <arch/cp0.h>
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#include <arch/cp0.h>
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#include <console/console.h>
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#include <console/console.h>
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#include <ddi/irq.h>
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#include <sysinfo/sysinfo.h>
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/** Address of devices. */
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#define MSIM_VIDEORAM       0xB0000000
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#define MSIM_KBD_ADDRESS    0xB0000000
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#define MSIM_KBD_IRQ        2
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static chardev_t console;
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static chardev_t console;
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static irq_t msim_irq;
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static void msim_write(chardev_t *dev, const char ch);
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static void msim_write(chardev_t *dev, const char ch);
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static void msim_enable(chardev_t *dev);
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static void msim_enable(chardev_t *dev);
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static void msim_disable(chardev_t *dev);
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static void msim_disable(chardev_t *dev);
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static char msim_do_read(chardev_t *dev);
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static char msim_do_read(chardev_t *dev);
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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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/** Process keyboard interrupt. */
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/** Process keyboard interrupt. */
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static void msim_interrupt(int n, istate_t *istate)
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static void msim_irq_handler(irq_t *irq, void *arg, ...)
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{
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{
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    if ((irq->notif_cfg.notify) && (irq->notif_cfg.answerbox))
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        ipc_irq_send_notif(irq);
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    else {
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    char ch = 0;
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        char ch = 0;
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    ch = *((char *) MSIM_KBD_ADDRESS);
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            ch = *((char *) MSIM_KBD_ADDRESS);
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    if (ch =='\r')
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            if (ch =='\r')
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        ch = '\n';
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                ch = '\n';
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    if (ch == 0x7f)
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            if (ch == 0x7f)
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        ch = '\b';
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                ch = '\b';
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    chardev_push_character(&console, ch);
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            chardev_push_character(&console, ch);
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    }
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}
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}
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/* Return console object representing msim console */
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void msim_console(void)
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static irq_ownership_t msim_claim(void)
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{
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{
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    chardev_initialize("msim_console", &console, &msim_ops);
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    int_register(MSIM_KBD_IRQ, "msim_kbd", msim_interrupt);
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    cp0_unmask_int(MSIM_KBD_IRQ);
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    stdin = &console;
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    return IRQ_ACCEPT;
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    stdout = &console;
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}
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}
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static iroutine oldvector;
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void msim_kbd_grab(void)
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void msim_kbd_grab(void)
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{
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{
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    oldvector = int_register(MSIM_KBD_IRQ, "msim_kbd", msim_interrupt);
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    msim_irq.notif_cfg.notify = false;
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}
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}
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void msim_kbd_release(void)
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void msim_kbd_release(void)
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{
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{
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    if (msim_irq.notif_cfg.answerbox)
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        msim_irq.notif_cfg.notify = true;
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}
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/* Return console object representing msim console */
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void msim_console(devno_t devno)
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{
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    chardev_initialize("msim_console", &console, &msim_ops);
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    if (oldvector)
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    stdin = &console;
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    stdout = &console;
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    irq_initialize(&msim_irq);
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    msim_irq.devno = devno;
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    msim_irq.inr = MSIM_KBD_IRQ;
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    msim_irq.claim = msim_claim;
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    msim_irq.handler = msim_irq_handler;
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    irq_register(&msim_irq);
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    cp0_unmask_int(MSIM_KBD_IRQ);
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    sysinfo_set_item_val("kbd", NULL, true);
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        int_register(MSIM_KBD_IRQ, "user_interrupt", oldvector);
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    sysinfo_set_item_val("kbd.devno", NULL, devno);
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    sysinfo_set_item_val("kbd.inr", NULL, MSIM_KBD_IRQ);
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    sysinfo_set_item_val("kbd.address.virtual", NULL, MSIM_KBD_ADDRESS);
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}
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}
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/** @}
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/** @}
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 */
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 */