libpayload: The initial chunk of code writen by AMD

[coreboot.git] / payloads / libpayload / curses / colors.c

diff --git a/payloads/libpayload/curses/colors.c b/payloads/libpayload/curses/colors.c
new file mode 100644 (file)
index 0000000..045df83
--- /dev/null
+++ b/payloads/libpayload/curses/colors.c
@@ -0,0 +1,59 @@
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ */
+
+/* Color pair management */
+
+#include "local.h"
+
+unsigned char color_pairs[256] = {
+       [0] = 0x07,
+};
+
+int start_color(void) {
+       return 0;
+}
+
+int init_pair(short index, short fg, short bg)
+{
+       if (index == 0 || index > 255)
+               return ERR;
+
+       color_pairs[index] = ((bg & 0xF) << 4) | (fg & 0xF);
+       return 0;
+}
+
+int pair_content(short index, short *fg, short *bg)
+{
+       if (index < 0 || index > 255)
+               return ERR;
+
+       *bg = (color_pairs[index] >> 4) & 0xF;
+       *fg = color_pairs[index] & 0xF;
+}