patch for RTL8139 users of 4.2.8

[Ken Yap <ken@nlc.net.au>]

4.2.8 introduced a 512 byte static buffer in osloader.c which will
probably cause the RTL8139 code to go over the 32kB limit when
executing. Here's a patch for this until 4.2.9 comes out.  You will
still have to take out all the non-essential options to keep the size
down. This patch is optional for non-RTL8139 users.

--- etherboot-4.2.8/src/osloader.c	Fri Sep 24 22:08:27 1999
+++ etherboot-4.2/src/osloader.c	Sat Sep 25 22:18:30 1999
@@ -186,15 +186,16 @@
 	static int      skip;
 	static int      freebsd_aout=0, freebsd_elf=0;
 	static  int     start_offset=0, offset=0;
+	static unsigned char first_block[512];
 #endif
 	void    (*kernelentry)();
-	static unsigned char first_block[512];
-	union infoblock	*ibp = (union infoblock *)first_block;
+	union infoblock	*ibp = (union infoblock *)data;
 
 	if (block == 1)
 	{
-		bcopy(data,first_block,len);
 #ifdef FreeBSD
+		bcopy(data,first_block,sizeof(first_block));
+		ibp = (union infoblock *)first_block;
 		if (ibp->l[0] == 0x0000010Bl)
 		{
 			printf("FreeBSD-aout\r\n");
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