Recommit my work on alpha

grub-core/term/alpha/srm/console.c

@@ -0,0 +1,121 @@
+/*
+ *  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/machine/srm.h>
+#include <grub/machine/console.h>
+#include <grub/term.h>
+#include <grub/terminfo.h>
+
+static int
+readkey (struct grub_term_input *term __attribute__ ((unused)))
+{
+  grub_uint64_t c;
+  c = grub_alpha_srm_dispatch (GRUB_ALPHA_SRM_GETC, 0);
+  if (c & (1ULL << 63))
+    return -1;
+
+  return c & 0xffffffff;
+}
+
+#define NEWLINE " \r\n "
+
+static void
+put (struct grub_term_output *term __attribute__ ((unused)), const int c)
+{
+  char chr = c;
+
+  if (c == '\n')
+    {
+      const char *str = NEWLINE, *ptr;
+      for (ptr = str; ptr < str + sizeof (NEWLINE) - 1; )
+	ptr += (grub_alpha_srm_dispatch (GRUB_ALPHA_SRM_PUTS, 0, ptr,
+					 str + sizeof (NEWLINE) - 1 - ptr) 
+		& 0xff);
+      return;
+    }
+
+  grub_alpha_srm_dispatch (GRUB_ALPHA_SRM_PUTS, 0, &chr, 1);
+}
+
+static struct grub_terminfo_output_state grub_console_terminfo_output;
+
+static grub_err_t
+grub_console_init_output (struct grub_term_output *term)
+{
+  /* FIXME: get 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,
+    .width = 80,
+    .height = 25
+  };
+
+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,
+    .normal_color = GRUB_TERM_DEFAULT_NORMAL_COLOR,
+    .highlight_color = GRUB_TERM_DEFAULT_HIGHLIGHT_COLOR,
+  };
+
+void
+grub_console_init_early (void)
+{
+  grub_alpha_srm_dispatch (GRUB_ALPHA_SRM_OPEN_CONSOLE);
+
+  grub_term_register_input ("console", &grub_console_term_input);
+  grub_term_register_output ("console", &grub_console_term_output);
+}
+
+void grub_terminfo_init (void);
+
+void
+grub_console_init_lately (void)
+{
+  grub_terminfo_init ();
+  /* FIXME */
+  grub_terminfo_output_register (&grub_console_term_output, "srm");
+}
+