Added snippet to dump BIOS.

2001-03-08 21:15:32 +00:00
parent 3c8542f8a2
commit 7ed3405198
1 changed files with 88 additions and 0 deletions
--- a/BIOSdet/dump.c
+++ b/BIOSdet/dump.c
@@ -0,0 +1,88 @@
+/************************************************************************
+  T h e   O p e n   W i n d o w s   P r o j e c t
+ ------------------------------------------------------------------------
+
+        Filename   : dump.c
+        Version    : 0.01
+        Author(s)  : Natalia Portillo
+            
+        Component  : OWP DOS subsystem - System information command
+
+ --[ Description ]-------------------------------------------------------
+  
+        Dump a 128Kb PC BIOS to file.
+
+ --[ History ] ----------------------------------------------------------
+	
+        0.01: Original file by Natalia Portillo.
+
+ --[ How to compile ]----------------------------------------------------
+
+	Recommended compiler Borland Turbo C++ 1.01
+		http://community.borland.com/museum
+
+ --[ Where to get help/information ]-------------------------------------
+
+	This archaic and abandoned software is opensource with no warranty
+    or help of any kind.
+    For inquiries contact claunia@claunia.com.
+
+ --[ License ] ----------------------------------------------------------
+
+	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.,59 Temple Place - Suite 330,Boston,MA  02111-1307,USA.
+
+ ------------------------------------------------------------------------
+ Copyright (c) 2000 The Open Windows Project
+*************************************************************************/
+#include <stdio.h>
+#include <dos.h>
+
+main(){
+      unsigned char far *bios_data = MK_FP (0x0000, 0x0000); //Get address of the BIOS data
+      unsigned short data_size; //For the BIOS data size
+      unsigned short temp=0; //For temporary numbers
+      FILE *feo;
+      long i,j;
+
+      feo=fopen("bios.bin","w+");
+      for(j=0x0F000;j<=0x0F000;j++)
+      {
+       for(i=0x0E000;i<=0x0FFFF;i++)
+       {
+        bios_data=MK_FP(j,i);
+        fputc(*bios_data,feo);
+       }
+      }
+       for(i=0x00000;i<=0x0FFFF;i++)
+       {
+        bios_data=MK_FP(0x0F001,i);
+        fputc(*bios_data,feo);
+       }
+       for(i=0x00000;i<=0x0DC43;i++)
+       {
+        bios_data=MK_FP(0x0F002,i);
+        fputc(*bios_data,feo);
+       }
+}
+
+/*
+0000E_00000h - 0000F_0FFFFh 128KB System ROM BIOS
+00010_00000h - 0FEBF_0FFFFh Main memory (Maximum address depends on total memory installed in the system.)
+0FEC0_00000h - 0FECF_0FFFFh APIC I/O unit
+0FED0_00000h - 0FEDF_0FFFFh Reserved for memory-mapped I/O devices
+0FEE0_00000h - 0FEEF_0FFFFh APIC Local Unit
+0FEF0_00000h - 0FFFD_0FFFFh Reserved for memory-mapped I/O devices
+0FFFE_00000h - 0FFFF_0FFFFh 128KB Initialization ROM
+*/