1 files changed, 104 insertions, 0 deletions
diff --git a/board/MAI/bios_emulator/scitech/src/v86bios/console.c b/board/MAI/bios_emulator/scitech/src/v86bios/console.c
new file mode 100644
index 00000000000..46805155f87
--- /dev/null
+++ b/board/MAI/bios_emulator/scitech/src/v86bios/console.c
@@ -0,0 +1,104 @@
+/*
+ * Copyright 1999 Egbert Eich
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of the authors not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  The authors makes no representations
+ * about the suitability of this software for any purpose.  It is provided
+ * "as is" without express or implied warranty.
+ *
+ * THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+#include <sys/ioctl.h>
+#include <sys/vt.h>
+#include <sys/kd.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include "debug.h"
+#include "v86bios.h"
+
+console
+open_console(void)
+{
+    int fd;
+    int VTno;
+    char VTname[11];
+    console Con = {-1,-1};
+    struct vt_stat vts;
+    
+    if (NO_CONSOLE)
+            return Con;
+    
+    if ((fd = open("/dev/tty0",O_WRONLY,0)) < 0)
+        return Con;
+
+    if ((ioctl(fd, VT_OPENQRY, &VTno) < 0) || (VTno == -1)) {
+        fprintf(stderr,"cannot get a vt\n");    
+        return Con;
+    }
+    
+    close(fd);
+    sprintf(VTname,"/dev/tty%i",VTno);
+    
+    if ((fd = open(VTname, O_RDWR|O_NDELAY, 0)) < 0) {
+        fprintf(stderr,"cannot open console\n");
+        return Con;
+    }
+    
+    if (ioctl(fd, VT_GETSTATE, &vts) == 0) 
+        Con.vt = vts.v_active;
+
+    if (ioctl(fd, VT_ACTIVATE, VTno) != 0) {
+        fprintf(stderr,"cannot activate console\n");
+        close(fd);
+        return Con;
+    }
+    if (ioctl(fd, VT_WAITACTIVE, VTno) != 0) {
+        fprintf(stderr,"wait for active console failed\n");
+        close(fd);
+        return Con;
+    }
+#if 0
+    if (ioctl(fd, KDSETMODE, KD_GRAPHICS) < 0) {
+        close(fd);
+        return Con;
+    }
+#endif
+    Con.fd = fd;
+    return Con;
+}
+
+void
+close_console(console Con)
+{
+    if (Con.fd == -1)
+        return;
+    
+#if 0
+    ioctl(Con.fd, KDSETMODE, KD_TEXT);
+#endif
+    if (Con.vt >=0)
+        ioctl(Con.fd, VT_ACTIVATE, Con.vt);
+    
+    close(Con.fd);
+}
+
+
+    
+
+
+
+
+
+