New file from Eric Valette

2 files changed, 152 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/i386/pc386/console/videoAsm.s b/c/src/lib/libbsp/i386/pc386/console/videoAsm.s
new file mode 100644
index 0000000000..d4e22e944c
--- /dev/null
+++ b/c/src/lib/libbsp/i386/pc386/console/videoAsm.s
@@ -0,0 +1,51 @@
+/*
+ * videoAsm.S  - This file contains code for displaying cursor on the console
+ *
+ * Copyright (C) 1998  valette@crf.canon.fr 
+ *
+ * This code is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This code 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * $Id$
+ */
+
+	.file "videoAsm.s"
+
+#include <crt.h>
+
+	.text
+	.align 4
+    	.globl  wr_cursor	/ Move cursor position
+
+/**/
+/**/ 	void wr_cursor(newPosition, ioBaseAddr)
+/**/
+
+wr_cursor:	pushl	%ecx
+		movl	8(%esp), %ecx		/* Get new cursor position */
+		movb	$CC_CURSHIGH, %al	/* Cursor high location */
+		movl	12(%esp), %edx		/* Get IO base address */
+		outb	(%dx)
+		incw	%dx			/* Program Data register */
+		movb	%ch, %al
+		outb	(%dx)			/* Update high location cursor */
+		decw	%dx			/* Program Index Register */
+		movb	$CC_CURSLOW, %al	/* Cursor low location */
+		outb	(%dx)
+		incw	%dx			/* Program Data Register */
+		movb	%cl, %al
+		outb	(%dx)			/* Update low location cursor */
+		popl	%ecx
+		ret
+
diff --git a/c/src/lib/libbsp/i386/pc386/include/crt.h b/c/src/lib/libbsp/i386/pc386/include/crt.h
new file mode 100644
index 0000000000..dc960da80a
--- /dev/null
+++ b/c/src/lib/libbsp/i386/pc386/include/crt.h
@@ -0,0 +1,101 @@
+/*
+ * crt.h  - This file contains definitions for constants related to PC console.
+ *          More information can be found at
+ *	<http://millenium.atcg.com/~taco/helppc/tables.html>
+ *
+ * Copyright (C) 1998  valette@crf.canon.fr
+ *
+ * Canon Centre Recherche France.
+ *
+ * This code is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This code 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * $Header$
+ */
+
+#ifndef _CRT_H
+#define _CRT_H
+
+/*
+ * Bitmap video origins in text mode.
+ */
+
+	/* In monochrome */
+#define V_MONO	0xb0000	
+	/* In color	 */
+#define V_COLOR	0xb8000
+
+
+/*
+ * Video Option Byte location. It must be maintained
+ * by the BIOS.
+ */
+#define VIDEO_MODE_ADDR          	0x449
+/*
+ * Video controller base IO address location in
+ * BIOS data area
+ */
+#define DISPLAY_CRT_BASE_IO_ADDR  	0x463
+/*
+ * Number of collums and lines locations for the
+ * actual video Configuration
+ */
+#define NB_MAX_COL_ADDR			0x44a
+#define NB_MAX_ROW_ADDR			0x484
+
+    /*
+     * Miscellaneous information set by the BIOS in offset video_mode,
+     */
+
+#   define VGAMODE7	0x7	/* VGA mode 7 */
+
+    /* Color codes in text mode for background and foreground. */
+#define BLACK		0x0
+#define BLUE		0x1
+#define GREEN		0x2
+#define CYAN		0x3
+#define RED	   	0x4
+#define MAGENTA		0x5
+#define BROWN		0x6
+#define WHITE		0x7
+
+#define GRAY		0x8
+#define LT_BLUE		0x9
+#define LT_GREEN	0xa
+#define LT_CYAN		0xb
+#define LT_RED		0xc
+#define LT_MAGENTA	0xd
+#define YELLOW		0xe
+#define LT_WHITE	0xf
+
+#define BLINK           0x8	/* Mask used to determine blinking */
+#define OFF             0
+#define ON              1
+
+
+/* 
+ * CRT Controller register offset definitions
+ */
+
+#   define CC_CURSSTART	0x0a	/* Cursor start scan line */
+#   define CC_CURSEND	0x0b	/* Cursor end scan line */
+#   define CC_STARTADDRHI 0x0c	/* start video ram addr msb */
+#   define CC_STARTADDRLO 0x0d	/* start video ram lsb */
+#   define CC_CURSHIGH	0x0e	/* Cursor high location (8 msb)	*/
+#   define CC_CURSLOW	0x0f	/* Cursor low location (8 msb) */
+#   define CC_VRETSTART	0x10	/* vertical synchro start lsb */
+#   define CC_VRETEND	0x11	/* vertical syn end (also it control) */
+#   define CC_VDISPEND	0x12	/* vertical display end lsb register */
+
+#endif /* _CRT_H */