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Rev 3022 Rev 4055
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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 mips32 
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/** @addtogroup mips32
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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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 */
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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/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 <sysinfo/sysinfo.h>
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#include <sysinfo/sysinfo.h>
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/** Address of devices. */
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#include <ddi/ddi.h>
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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 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, bool silent);
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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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static chardev_operations_t msim_ops = {
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static chardev_operations_t msim_ops = {
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    .write = msim_write,
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    .write = msim_write,
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    .read = msim_do_read,
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    .read = msim_do_read,
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};
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};
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/** Putchar that works with MSIM & gxemul */
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/** Putchar that works with MSIM & gxemul */
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void msim_write(chardev_t *dev, const char ch)
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void msim_write(chardev_t *dev, const char ch, bool silent)
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{
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{
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    if (!silent)
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    *((char *) MSIM_VIDEORAM) = ch;
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        *((char *) MSIM_VIDEORAM) = ch;
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}
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}
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/* Called from getc(). */
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/* Called from getc(). */
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void msim_enable(chardev_t *dev)
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void msim_enable(chardev_t *dev)
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{
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{
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void msim_disable(chardev_t *dev)
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void msim_disable(chardev_t *dev)
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{
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{
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    cp0_mask_int(MSIM_KBD_IRQ);
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    cp0_mask_int(MSIM_KBD_IRQ);
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}
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}
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#include <print.h>
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/** Read character using polling, assume interrupts disabled */
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/** Read character using polling, assume interrupts disabled */
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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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    char ch;
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    char ch;
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    while (1) {
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    while (1) {
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        ch = *((volatile char *) MSIM_KBD_ADDRESS);
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        ch = *((volatile char *) MSIM_KBD_ADDRESS);
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        if (ch) {
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        if (ch) {
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            if (ch == '\r')
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            if (ch == '\r')
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                return '\n';
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                return '\n';
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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_irq_handler(irq_t *irq, void *arg, ...)
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static void msim_irq_handler(irq_t *irq)
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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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static irq_ownership_t msim_claim(void)
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static irq_ownership_t msim_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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void msim_kbd_grab(void)
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void msim_kbd_grab(void)
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    sysinfo_set_item_val("kbd", NULL, true);
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    sysinfo_set_item_val("kbd", NULL, true);
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    sysinfo_set_item_val("kbd.devno", NULL, devno);
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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.inr", NULL, MSIM_KBD_IRQ);
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    sysinfo_set_item_val("kbd.address.virtual", NULL, MSIM_KBD_ADDRESS);
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    sysinfo_set_item_val("kbd.address.virtual", NULL, MSIM_KBD_ADDRESS);
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    sysinfo_set_item_val("fb", NULL, true);
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    sysinfo_set_item_val("fb.kind", NULL, 3);
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    sysinfo_set_item_val("fb.address.physical", NULL, KA2PA(MSIM_VIDEORAM));
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}
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}
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/** @}
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/** @}
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 */
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 */