From 4afa84fe568ccfcf57924eb1ec11a07fd7571704 Mon Sep 17 00:00:00 2001
From: weingart <weingart@openbsd.org>
Date: Mon, 31 Mar 1997 05:52:24 +0000
Subject: [PATCH] Move closer to boot/.  Add some debug stuff

---
 sys/arch/i386/stand/libsa/Makefile    |  4 +--
 sys/arch/i386/stand/libsa/exec_i386.c | 45 +++++++++++++++++++++------
 sys/arch/i386/stand/libsa/startprog.S |  4 +--
 3 files changed, 39 insertions(+), 14 deletions(-)

diff --git a/sys/arch/i386/stand/libsa/Makefile b/sys/arch/i386/stand/libsa/Makefile
index 42b2feed81e..4d9b58bcbfe 100644
--- a/sys/arch/i386/stand/libsa/Makefile
+++ b/sys/arch/i386/stand/libsa/Makefile
@@ -1,11 +1,11 @@
-#	$OpenBSD: Makefile,v 1.2 1997/03/31 03:12:08 weingart Exp $
+#	$OpenBSD: Makefile,v 1.3 1997/03/31 05:52:24 weingart Exp $
 
 
 LIB= sa
 
 CFLAGS+=-Wall
 #CFLAGS+=-DBIOS_DEBUG
-CFLAGS+=-DEXEC_DEBUG
+#CFLAGS+=-DEXEC_DEBUG
 CFLAGS+=-DNO_IDTR
 CFLAGS+=-DHEAP_START="0x10000"
 CFLAGS+=-DHEAP_LIMIT="0xa0000"
diff --git a/sys/arch/i386/stand/libsa/exec_i386.c b/sys/arch/i386/stand/libsa/exec_i386.c
index 3a437498264..f9eb127a3b9 100644
--- a/sys/arch/i386/stand/libsa/exec_i386.c
+++ b/sys/arch/i386/stand/libsa/exec_i386.c
@@ -1,5 +1,5 @@
 
-/* $OpenBSD: exec_i386.c,v 1.1 1997/03/31 03:12:13 weingart Exp $ */
+/* $OpenBSD: exec_i386.c,v 1.2 1997/03/31 05:52:25 weingart Exp $ */
 
 #include <sys/param.h>
 #include <sys/exec.h>
@@ -13,9 +13,25 @@ machdep_start(startaddr, howto, loadaddr, ssym, esym)
 	int howto;
 {
 	static int argv[9];
-	static int (*x_entry)() = 0;
+	struct exec *x;
+
+
+#ifdef DEBUG
+	x = (void *)loadaddr;
+	printf("exec {\n");
+	printf("  a_midmag = %lx\n", x->a_midmag);
+	printf("  a_text = %lx\n", x->a_text);
+	printf("  a_data = %lx\n", x->a_data);
+	printf("  a_bss = %lx\n", x->a_bss);
+	printf("  a_syms = %lx\n", x->a_syms);
+	printf("  a_entry = %lx\n", x->a_entry);
+	printf("  a_trsize = %lx\n", x->a_trsize);
+	printf("  a_drsize = %lx\n", x->a_drsize);
+	printf("}\n");
+
+	getchar();
+#endif
 
-	x_entry = (void *)startaddr;
 	(int)startaddr &= 0xffffff;
 
 	/*
@@ -25,7 +41,7 @@ machdep_start(startaddr, howto, loadaddr, ssym, esym)
 	 *  arg0 = 8 (magic)
 	 *  arg1 = boot flags
 	 *  arg2 = boot device
-	 *  arg3 = start of symbol table (0 if not loaded)
+	 *  arg3 = Cylinder offset (XXX - used to be ssym)
 	 *  arg4 = end of symbol table (0 if not loaded)
 	 *  arg5 = transfer address from image
 	 *  arg6 = transfer address for next image pointer
@@ -34,13 +50,22 @@ machdep_start(startaddr, howto, loadaddr, ssym, esym)
 	 */
 	argv[0] = 8;
 	argv[1] = howto;
-	argv[2] = 0;		/* Boot device */
-	argv[3] = 0;		/* Cyl offset */
-	argv[4] = (int)esym;
+	argv[2] = bootdev;		/* Boot device */
+	argv[3] = 0;			/* Cyl offset */
+	argv[4] = 0;
 	argv[5] = (int)startaddr;
-	argv[6] = (int)&x_entry;
-	argv[7] = 0;
-	argv[8] = 0;
+	argv[6] = 0;
+	argv[7] = memsize(0);
+	argv[8] = memsize(1);
+
+#ifdef DEBUG
+	{ int i;
+		for(i = 0; i <= argv[0]; i++)
+			printf("argv[%d] = %x\n", i, argv[i]);
+
+		getchar();
+	}
+#endif
 
 	/****************************************************************/
 	/* copy that first page and overwrite any BIOS variables        */
diff --git a/sys/arch/i386/stand/libsa/startprog.S b/sys/arch/i386/stand/libsa/startprog.S
index e1f4e267a43..465c8f888a5 100644
--- a/sys/arch/i386/stand/libsa/startprog.S
+++ b/sys/arch/i386/stand/libsa/startprog.S
@@ -1,4 +1,4 @@
-/*	$OpenBSD: startprog.S,v 1.1 1997/03/31 03:12:17 weingart Exp $	*/
+/*	$OpenBSD: startprog.S,v 1.2 1997/03/31 05:52:25 weingart Exp $	*/
 
 #include <machine/asm.h>
 
@@ -32,7 +32,7 @@ ENTRY(startprog)
 
 	# push on our entry address
 	movl	$0x8, %ebx		# segment
-	pushw	%bx
+	pushl	%bx
 	pushl	%ecx
 
 	# convert over the other data segs
-- 
2.20.1