--- /dev/null
+/* term_console.c - console input and output */
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2002 Free Software Foundation, Inc.
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <shared.h>
+#include <term.h>
+
+/* These functions are defined in asm.S instead of this file:
+ console_putchar, console_checkkey, console_getkey, console_getxy,
+ console_gotoxy, console_cls, and console_nocursor. */
+
+int console_current_color = A_NORMAL;
+static int console_normal_color = A_NORMAL;
+static int console_highlight_color = A_REVERSE;
+static int console_highlight_state = 0;
+
+void
+console_highlight (int state)
+{
+ console_current_color
+ = state ? console_highlight_color : console_normal_color;
+ console_highlight_state = state;
+}
+
+void
+console_setcolor (int normal_color, int highlight_color)
+{
+ console_normal_color = normal_color;
+ console_highlight_color = highlight_color;
+
+ console_highlight (console_highlight_state);
+}
--- /dev/null
+/* term.h - definitions for terminal handling */
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2002 Free Software Foundation, Inc.
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef GRUB_TERM_HEADER
+#define GRUB_TERM_HEADER 1
+
+#ifndef STAGE1_5
+
+/* Flags for representing the capabilities of a terminal. */
+/* Some notes about the flags:
+ - These flags are used by higher-level functions but not terminals
+ themselves.
+ - If a terminal is dumb, you may assume that only putchar, getkey and
+ checkkey are called.
+ - Some fancy features (nocursor, setcolor, and highlight) can be set to
+ NULL. */
+
+/* Set when input characters shouldn't be echoed back. */
+#define TERM_NO_ECHO (1 << 0)
+/* Set when the editing feature should be disabled. */
+#define TERM_NO_EDIT (1 << 1)
+/* Set when the terminal cannot do fancy things. */
+#define TERM_DUMB (1 << 2)
+/* Set when the terminal needs to be initialized. */
+#define TERM_NEED_INIT (1 << 16)
+
+struct term_entry
+{
+ /* The name of a terminal. */
+ const char *name;
+ /* The feature flags defined above. */
+ unsigned long flags;
+ /* Put a character. */
+ void (*putchar) (int c);
+ /* Check if any input character is available. */
+ int (*checkkey) (void);
+ /* Get a character. */
+ int (*getkey) (void);
+ /* Get the cursor position. The return value is ((X << 8) | Y). */
+ int (*getxy) (void);
+ /* Go to the position (X, Y). */
+ void (*gotoxy) (int x, int y);
+ /* Clear the screen. */
+ void (*cls) (void);
+ /* Highlight characters written after this call, if STATE is true. */
+ void (*highlight) (int state);
+ /* Set the normal color and the highlight color. The format of each
+ color is VGA's. */
+ void (*setcolor) (int normal_color, int highlight_color);
+ /* Don't show the cursor. */
+ void (*nocursor) (void);
+};
+
+/* This lists up available terminals. */
+extern struct term_entry term_table[];
+/* This points to the current terminal. This is useful, because only
+ a single terminal is enabled normally. */
+extern struct term_entry *current_term;
+
+#endif /* ! STAGE1_5 */
+
+/* The console stuff. */
+extern int console_current_color;
+void console_putchar (int c);
+
+#ifndef STAGE1_5
+int console_checkkey (void);
+int console_getkey (void);
+int console_getxy (void);
+void console_gotoxy (int x, int y);
+void console_cls (void);
+void console_highlight (int state);
+void console_setcolor (int normal_color, int highlight_color);
+void console_nocursor (void);
+#endif
+
+#ifdef SUPPORT_SERIAL
+void serial_putchar (int c);
+int serial_checkkey (void);
+int serial_getkey (void);
+int serial_getxy (void);
+void serial_gotoxy (int x, int y);
+void serial_cls (void);
+void serial_highlight (int state);
+#endif
+
+#ifdef SUPPORT_HERCULES
+void hercules_putchar (int c);
+int hercules_getxy (void);
+void hercules_gotoxy (int x, int y);
+void hercules_cls (void);
+void hercules_highlight (int state);
+void hercules_setcolor (int normal_color, int highlight_color);
+void hercules_nocursor (void);
+#endif
+
+#endif /* ! GRUB_TERM_HEADER */