Add simple console driver

Update #3170.
Update #3199.

1 files changed, 97 insertions, 0 deletions

diff --git a/cpukit/libcsupport/src/consolesimple.c b/cpukit/libcsupport/src/consolesimple.c
new file mode 100644
index 0000000000..5aa0f98528
--- /dev/null
+++ b/cpukit/libcsupport/src/consolesimple.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2017 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Dornierstr. 4
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.org/license/LICENSE.
+ */
+
+#include <rtems/console.h>
+#include <rtems/bspIo.h>
+#include <rtems/imfs.h>
+
+static ssize_t _Console_simple_Read(
+  rtems_libio_t *iop,
+  void          *buffer,
+  size_t         count
+)
+{
+  char    *buf;
+  ssize_t  i;
+  ssize_t  n;
+
+  buf = buffer;
+  n = (ssize_t) count;
+
+  for ( i = 0; i < n; ++i ) {
+    int c;
+
+    do {
+      c = getchark();
+    } while (c == -1);
+
+    buf[ i ] = (char) c;
+  }
+
+  return n;
+}
+
+static ssize_t _Console_simple_Write(
+  rtems_libio_t *iop,
+  const void    *buffer,
+  size_t         count
+)
+{
+  const char *buf;
+  ssize_t     i;
+  ssize_t     n;
+
+  buf = buffer;
+  n = (ssize_t) count;
+
+  for ( i = 0; i < n; ++i ) {
+    rtems_putc( buf[ i ] );
+  }
+
+  return n;
+}
+
+static const rtems_filesystem_file_handlers_r _Console_simple_Handlers = {
+  .open_h = rtems_filesystem_default_open,
+  .close_h = rtems_filesystem_default_close,
+  .read_h = _Console_simple_Read,
+  .write_h = _Console_simple_Write,
+  .ioctl_h = rtems_filesystem_default_ioctl,
+  .lseek_h = rtems_filesystem_default_lseek,
+  .fstat_h = IMFS_stat,
+  .ftruncate_h = rtems_filesystem_default_ftruncate,
+  .fsync_h = rtems_filesystem_default_fsync_or_fdatasync,
+  .fdatasync_h = rtems_filesystem_default_fsync_or_fdatasync,
+  .fcntl_h = rtems_filesystem_default_fcntl,
+  .readv_h = rtems_filesystem_default_readv,
+  .writev_h = rtems_filesystem_default_writev,
+  .mmap_h = rtems_filesystem_default_mmap
+};
+
+static const IMFS_node_control
+_Console_simple_Node_control = IMFS_GENERIC_INITIALIZER(
+  &_Console_simple_Handlers,
+  IMFS_node_initialize_default,
+  IMFS_node_destroy_default
+);
+
+void _Console_simple_Initialize( void )
+{
+  IMFS_make_generic_node(
+    CONSOLE_DEVICE_NAME,
+    S_IFCHR | S_IRWXU | S_IRWXG | S_IRWXO,
+    &_Console_simple_Node_control,
+    NULL
+  );
+}