1 files changed, 184 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/powerpc/psim/console/console.c b/c/src/lib/libbsp/powerpc/psim/console/console.c
new file mode 100644
index 0000000000..a4a9e7175e
--- /dev/null
+++ b/c/src/lib/libbsp/powerpc/psim/console/console.c
@@ -0,0 +1,184 @@
+/*
+ *  This file contains the hardware specific portions of the TTY driver
+ *  for the serial ports on the erc32.
+ *
+ *  COPYRIGHT (c) 1989-1997.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#include <bsp.h>
+#include <rtems/libio.h>
+#include <stdlib.h>
+#include <assert.h>
+
+
+/*
+ *  console_outbyte_polled
+ *
+ *  This routine transmits a character using polling.
+ */
+
+void console_outbyte_polled(
+  int  port,
+  char ch
+)
+{
+  outbyte( ch );
+}
+
+/*
+ *  console_inbyte_nonblocking 
+ *
+ *  This routine polls for a character.
+ */
+
+int console_inbyte_nonblocking(
+  int port
+)
+{
+  char c;
+
+  c = inbyte();
+  if (!c)
+    return -1;
+  return c;
+}
+
+/*
+ *  DEBUG_puts
+ *
+ *  This should be safe in the event of an error.  It attempts to insure
+ *  that no TX empty interrupts occur while it is doing polled IO.  Then
+ *  it restores the state of that external interrupt.
+ *
+ *  Input parameters:
+ *    string  - pointer to debug output string
+ *
+ *  Output parameters:  NONE
+ *
+ *  Return values:      NONE
+ */
+
+void DEBUG_puts(
+  char *string
+)
+{
+  char *s;
+
+  /* XXX should disable interrupts around this if interrupt driven */
+
+  for ( s = string ; *s ; s++ ) 
+    console_outbyte_polled( 0, *s );
+
+  console_outbyte_polled( 0, '\r' );
+  console_outbyte_polled( 0, '\n' );
+}
+
+
+/*
+ *  Console Termios Support Entry Points
+ *
+ */
+
+int console_write_support (int minor, char *buf, int len)
+{
+  int nwrite = 0;
+
+  while (nwrite < len) {
+    console_outbyte_polled( minor, *buf++ );
+    nwrite++;
+  }
+  return nwrite;
+}
+
+/*
+ *  Console Device Driver Entry Points
+ *
+ */
+ 
+rtems_device_driver console_initialize(
+  rtems_device_major_number  major,
+  rtems_device_minor_number  minor,
+  void                      *arg
+)
+{
+  rtems_status_code status;
+
+  rtems_termios_initialize();
+
+  /*
+   *  Register Device Names
+   */
+
+  status = rtems_io_register_name( "/dev/console", major, 0 );
+  if (status != RTEMS_SUCCESSFUL)
+    rtems_fatal_error_occurred(status);
+
+  return RTEMS_SUCCESSFUL;
+}
+
+rtems_device_driver console_open(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void                    * arg
+)
+{
+        rtems_status_code sc;
+
+        assert( minor <= 1 );
+        if ( minor > 2 )
+          return RTEMS_INVALID_NUMBER;
+ 
+        sc = rtems_termios_open (major, minor, arg,
+                        NULL,
+                        NULL,
+                        console_inbyte_nonblocking,
+                        console_write_support,
+                        0);
+
+  return RTEMS_SUCCESSFUL;
+}
+ 
+rtems_device_driver console_close(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void                    * arg
+)
+{
+  return rtems_termios_close (arg);
+}
+ 
+rtems_device_driver console_read(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void                    * arg
+)
+{
+  return rtems_termios_read (arg);
+}
+ 
+rtems_device_driver console_write(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void                    * arg
+)
+{
+  return rtems_termios_write (arg);
+}
+ 
+rtems_device_driver console_control(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void                    * arg
+)
+{
+  return rtems_termios_ioctl (arg);
+}
+