From 6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 18:29:51 +0200
Subject: Adding upstream version 2.06.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 grub-core/term/uboot/console.c | 132 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 132 insertions(+)
 create mode 100644 grub-core/term/uboot/console.c

(limited to 'grub-core/term/uboot/console.c')

diff --git a/grub-core/term/uboot/console.c b/grub-core/term/uboot/console.c
new file mode 100644
index 0000000..dfdbe99
--- /dev/null
+++ b/grub-core/term/uboot/console.c
@@ -0,0 +1,132 @@
+/* console.c - console interface layer for U-Boot platforms */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2013  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/term.h>
+#include <grub/misc.h>
+#include <grub/types.h>
+#include <grub/err.h>
+#include <grub/terminfo.h>
+#include <grub/uboot/uboot.h>
+#include <grub/uboot/console.h>
+
+static void
+put (struct grub_term_output *term __attribute__ ((unused)), const int c)
+{
+  grub_uboot_putc (c);
+}
+
+static int
+readkey (struct grub_term_input *term __attribute__ ((unused)))
+{
+  if (grub_uboot_tstc () > 0)
+    return grub_uboot_getc ();
+
+  return -1;
+}
+
+static void
+uboot_console_setcursor (struct grub_term_output *term
+			 __attribute__ ((unused)), int on
+			 __attribute__ ((unused)))
+{
+  grub_terminfo_setcursor (term, on);
+}
+
+static grub_err_t
+uboot_console_init_input (struct grub_term_input *term)
+{
+  return grub_terminfo_input_init (term);
+}
+
+extern struct grub_terminfo_output_state uboot_console_terminfo_output;
+
+
+static grub_err_t
+uboot_console_init_output (struct grub_term_output *term)
+{
+  grub_terminfo_output_init (term);
+
+  return 0;
+}
+
+struct grub_terminfo_input_state uboot_console_terminfo_input = {
+  .readkey = readkey
+};
+
+struct grub_terminfo_output_state uboot_console_terminfo_output = {
+  .put = put,
+  /* FIXME: In rare cases when console isn't serial,
+     determine real width.  */
+  .size = { 80, 24 }
+};
+
+static struct grub_term_input uboot_console_term_input = {
+  .name = "console",
+  .init = uboot_console_init_input,
+  .getkey = grub_terminfo_getkey,
+  .data = &uboot_console_terminfo_input
+};
+
+static struct grub_term_output uboot_console_term_output = {
+  .name = "console",
+  .init = uboot_console_init_output,
+  .putchar = grub_terminfo_putchar,
+  .getwh = grub_terminfo_getwh,
+  .getxy = grub_terminfo_getxy,
+  .gotoxy = grub_terminfo_gotoxy,
+  .cls = grub_terminfo_cls,
+  .setcolorstate = grub_terminfo_setcolorstate,
+  .setcursor = uboot_console_setcursor,
+  .flags = GRUB_TERM_CODE_TYPE_ASCII,
+  .data = &uboot_console_terminfo_output,
+  .progress_update_divisor = GRUB_PROGRESS_FAST
+};
+
+void
+grub_console_init_early (void)
+{
+  grub_term_register_input ("console", &uboot_console_term_input);
+  grub_term_register_output ("console", &uboot_console_term_output);
+}
+
+
+/*
+ * grub_console_init_lately():
+ *   Initializes terminfo formatting by registering terminal type.
+ *   Called after heap has been configured.
+ *   
+ */
+void
+grub_console_init_lately (void)
+{
+  const char *type;
+
+  /* See if explicitly set by U-Boot environment */
+  type = grub_uboot_env_get ("grub_term");
+  if (!type)
+    type = "vt100";
+
+  grub_terminfo_init ();
+  grub_terminfo_output_register (&uboot_console_term_output, type);
+}
+
+void
+grub_console_fini (void)
+{
+}
-- 
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