1 files changed, 45 insertions, 0 deletions
diff --git a/src/libexec/prep.c b/src/libexec/prep.c
new file mode 100644
index 0000000..15b6ea6
--- /dev/null
+++ b/src/libexec/prep.c
@@ -0,0 +1,45 @@
+/*
+ * <prep.c>
+ *
+ * Open Hack'Ware BIOS PREP executable file loader
+ * 
+ * Copyright (c) 2004-2005 Jocelyn Mayer
+ * 
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License V2
+ *   as published by the Free Software Foundation
+ *
+ *   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
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include "bios.h"
+#include "exec.h"
+
+/* PREP boot loader */
+int exec_load_prep (inode_t *file, unused void **dest,
+                    unused void **entry, unused void **end,
+                    unused uint32_t loffset)
+{
+    unsigned char buffer[512];
+
+    file_seek(file, loffset);
+    if (fs_read(file, buffer, 512) < 0) {
+        ERROR("Cannot load first bloc of file...\n");
+        return -2;
+    }
+    if (buffer[0x1FE] != 0x55 || buffer[0x1FF] != 0xAA) {
+        DPRINTF("Not a PREP file\n");
+        return -2;
+    }
+
+    return -2;
+}