Adding upstream version 2.06.upstream/2.06upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 209 insertions, 0 deletions

diff --git a/grub-core/term/arc/console.c b/grub-core/term/arc/console.c
new file mode 100644
index 0000000..c944ffc
--- /dev/null
+++ b/grub-core/term/arc/console.c
@@ -0,0 +1,209 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2011  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/arc/arc.h>
+#include <grub/arc/console.h>
+#include <grub/term.h>
+#include <grub/terminfo.h>
+
+/* FIXME: use unicode.  */
+
+static int
+readkey (struct grub_term_input *term __attribute__ ((unused)))
+{
+  unsigned long count;
+  char chr;
+
+  if (GRUB_ARC_FIRMWARE_VECTOR->get_read_status (GRUB_ARC_STDIN))
+    return -1;
+
+  if (GRUB_ARC_FIRMWARE_VECTOR->read (GRUB_ARC_STDIN, &chr, 1, &count))
+    return -1;
+  if (!count)
+    return -1;
+  return chr;
+}
+
+static void
+put (struct grub_term_output *term __attribute__ ((unused)), const int c)
+{
+  unsigned long count;
+  char chr = c;
+
+  GRUB_ARC_FIRMWARE_VECTOR->write (GRUB_ARC_STDOUT, &chr, 1, &count);
+}
+
+static struct grub_terminfo_output_state grub_console_terminfo_output;
+
+int
+grub_arc_is_device_serial (const char *name, int alt_names)
+{
+  if (name[0] == '\0')
+    return 0;
+
+  const char *ptr = name + grub_strlen (name) - 1;
+  int i;
+  /*
+    Recognize:
+    serial(N)
+    serial(N)line(M)
+   */
+  for (i = 0; i < 2; i++)
+    {
+      if (!alt_names)
+	{
+	  if (*ptr != ')')
+	    return 0;
+	  ptr--;
+	}
+      for (; ptr >= name && grub_isdigit (*ptr); ptr--);
+      if (ptr < name)
+	return 0;
+      if (!alt_names)
+	{
+	  if (*ptr != '(')
+	    return 0;
+	  ptr--;
+	}
+      if (ptr + 1 >= name + sizeof ("serial") - 1
+	  && grub_memcmp (ptr + 1 - (sizeof ("serial") - 1),
+			  "serial", sizeof ("serial") - 1) == 0)
+	return 1;
+      if (!(ptr + 1 >= name + sizeof ("line") - 1
+	    && grub_memcmp (ptr + 1 - (sizeof ("line") - 1),
+			    "line", sizeof ("line") - 1) == 0))
+	return 0;
+      ptr -= sizeof ("line") - 1;
+      if (alt_names)
+	{
+	  if (*ptr != '/')
+	    return 0;
+	  ptr--;
+	}
+    }
+  return 0;
+}
+
+static int
+check_is_serial (void)
+{
+  static int is_serial = -1;
+
+  if (is_serial != -1)
+    return is_serial;
+
+  const char *consout = 0;
+
+  /* Check for serial. It works unless user manually overrides ConsoleOut
+     variable. If he does there is nothing we can do. Fortunately failure
+     isn't critical.
+  */
+  if (GRUB_ARC_SYSTEM_PARAMETER_BLOCK->firmware_vector_length
+      >= (unsigned) ((char *) (&GRUB_ARC_FIRMWARE_VECTOR->getenvironmentvariable + 1)
+		     - (char *) GRUB_ARC_FIRMWARE_VECTOR)
+      && GRUB_ARC_FIRMWARE_VECTOR->getenvironmentvariable)
+    consout = GRUB_ARC_FIRMWARE_VECTOR->getenvironmentvariable ("ConsoleOut");
+  if (!consout)
+    return is_serial = 0;
+  return is_serial = grub_arc_is_device_serial (consout, 0);
+}
+    
+static void
+set_console_dimensions (void)
+{
+  struct grub_arc_display_status *info = NULL;
+
+  if (check_is_serial ())
+    {
+      grub_console_terminfo_output.size.x = 80;
+      grub_console_terminfo_output.size.y = 24;
+      return;
+    }
+
+  if (GRUB_ARC_SYSTEM_PARAMETER_BLOCK->firmware_vector_length
+      >= (unsigned) ((char *) (&GRUB_ARC_FIRMWARE_VECTOR->getdisplaystatus + 1)
+		     - (char *) GRUB_ARC_FIRMWARE_VECTOR)
+      && GRUB_ARC_FIRMWARE_VECTOR->getdisplaystatus)
+    info = GRUB_ARC_FIRMWARE_VECTOR->getdisplaystatus (GRUB_ARC_STDOUT);
+  if (info)
+    {
+      grub_console_terminfo_output.size.x = info->w + 1;
+      grub_console_terminfo_output.size.y = info->h + 1;
+    }
+}
+
+static grub_err_t
+grub_console_init_output (struct grub_term_output *term)
+{
+  set_console_dimensions ();
+  grub_terminfo_output_init (term);
+
+  return 0;
+}
+
+static struct grub_terminfo_input_state grub_console_terminfo_input =
+  {
+    .readkey = readkey
+  };
+
+static struct grub_terminfo_output_state grub_console_terminfo_output =
+  {
+    .put = put,
+    .size = { 80, 20 }
+  };
+
+static struct grub_term_input grub_console_term_input =
+  {
+    .name = "console",
+    .init = grub_terminfo_input_init,
+    .getkey = grub_terminfo_getkey,
+    .data = &grub_console_terminfo_input
+  };
+
+static struct grub_term_output grub_console_term_output =
+  {
+    .name = "console",
+    .init = grub_console_init_output,
+    .putchar = grub_terminfo_putchar,
+    .getxy = grub_terminfo_getxy,
+    .getwh = grub_terminfo_getwh,
+    .gotoxy = grub_terminfo_gotoxy,
+    .cls = grub_terminfo_cls,
+    .setcolorstate = grub_terminfo_setcolorstate,
+    .setcursor = grub_terminfo_setcursor,
+    .flags = GRUB_TERM_CODE_TYPE_ASCII,
+    .data = &grub_console_terminfo_output,
+    .progress_update_divisor = GRUB_PROGRESS_FAST
+  };
+
+void
+grub_console_init_early (void)
+{
+  grub_term_register_input ("console", &grub_console_term_input);
+  grub_term_register_output ("console", &grub_console_term_output);
+}
+
+void
+grub_console_init_lately (void)
+{
+  grub_terminfo_init ();
+  if (check_is_serial ())
+    grub_terminfo_output_register (&grub_console_term_output, "vt100");
+  else
+    grub_terminfo_output_register (&grub_console_term_output, "arc");
+}