shithub: riscv

Info  •  Files  •  Log  •  Branches

9boot: initialize the junk portion of pxe unload call

--- a/sys/src/boot/pc/pxe.c

+++ b/sys/src/boot/pc/pxe.c

@@ -113,7 +113,7 @@

 		uchar status[2];

 		uchar junk[10];

 	} buf;

-	puts(buf.status, 0);

+	memset(&buf, 0, sizeof(buf));

 	pxecall(0x70, &buf);

 }

--- a/sys/src/boot/pc/sub.c

+++ b/sys/src/boot/pc/sub.c

@@ -18,6 +18,7 @@

 {

 	uchar *d = dst;

 	uchar *s = src;

+

 	if(d < s){

 		while(n > 0){

 			*d++ = *s++;

@@ -210,6 +211,8 @@

 		return "bad header";

 	if(beswal(ex.magic) != I_MAGIC)

 		return "bad magic";

+

+	/* load address */

 	e = (uchar*)(beswal(ex.entry) & ~0xF0000000UL);

 	/*

@@ -219,6 +222,7 @@

 	 * we finished, move it to final location.

 	 */

 	t = (uchar*)0x200000;

+

 	n = beswal(ex.text);

 	if(readn(f, t, n) != n)

 		goto Error;

@@ -227,7 +231,9 @@

 	if(readn(f, d, n) != n)

 		goto Error;

 	close(f);

+

 	unload();

+

 	n = (d + n) - t;

 	memmove(e, t, n);

 	jump(e);