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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:29:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:29:51 +0000
commit6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e (patch)
tree32451fa3cdd9321fb2591fada9891b2cb70a9cd1 /grub-core/term/uboot/console.c
parentInitial commit. (diff)
downloadgrub2-upstream/2.06.tar.xz
grub2-upstream/2.06.zip
Adding upstream version 2.06.upstream/2.06upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'grub-core/term/uboot/console.c')
-rw-r--r--grub-core/term/uboot/console.c132
1 files changed, 132 insertions, 0 deletions
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)
+{
+}