1 files changed, 87 insertions, 0 deletions
diff --git a/tboot/include/vga.h b/tboot/include/vga.h
new file mode 100644
index 0000000..7e9914a
--- /dev/null
+++ b/tboot/include/vga.h
@@ -0,0 +1,87 @@
+/*
+ * vga.h: definitions of and supports functions for VGA
+ * 
+ * Copyright (c) 2006-2010, Intel Corporation
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above
+ *     copyright notice, this list of conditions and the following
+ *     disclaimer in the documentation and/or other materials provided
+ *     with the distribution.
+ *   * Neither the name of the Intel Corporation nor the names of its
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#ifndef __VGA_H__
+#define __VGA_H__
+
+#define VGA_BASE                    0xb8000
+
+/* 80*25 text mode*/
+#define MAX_LINES                   25
+#define MAX_COLS                    80
+#define SCREEN_BUFFER               (MAX_LINES*MAX_COLS*2)
+#define VGA_ADDR(x, y)              (VGA_BASE + 2*(MAX_COLS*(y) + (x)))
+
+/* registers */
+#define CTL_ADDR_REG                0x3D4
+#define CTL_DATA_REG                0x3D5
+#define START_ADD_HIGH_REG          0x0C
+#define START_ADD_LOW_REG           0x0D
+
+/* colors */
+#define COLOR_BLACK                 0x00
+#define COLOR_BLUE                  0x01
+#define COLOR_GREEN                 0x02
+#define COLOR_CYAN                  0x03
+#define COLOR_RED                   0x04
+#define COLOR_MAGENTA               0x05
+#define COLOR_BROWN                 0x06
+#define COLOR_LTGRAY                0x07
+#define COLOR_DKGRAY                0x08
+#define COLOR_LTBLUE                0x09
+#define COLOR_LTGREEN               0x0A
+#define COLOR_LTCYAN                0x0B
+#define COLOR_LTRED                 0x0C
+#define COLOR_LTMAGENTA             0x0D
+#define COLOR_LTBROWN               0x0E
+#define COLOR_WHITE                 0x0F
+
+#define COLOR                       ((COLOR_BLACK << 4) | COLOR_LTGRAY)
+
+
+void vga_init(void);
+void vga_puts(const char *s, unsigned int cnt);
+
+#endif /* __VGA_H__ */
+
+/*
+ * Local variables:
+ * mode: C
+ * c-set-style: "BSD"
+ * c-basic-offset: 4
+ * tab-width: 4
+ * indent-tabs-mode: nil
+ * End:
+ */