Initial commit of uefi boot loader of OpenBSD.

ok deraadt yuo

1 files changed, 46 insertions, 1 deletions

diff --git a/sys/stand/boot/bootarg.c b/sys/stand/boot/bootarg.c
index 94ba6fc5c64..b3834e77a99 100644
--- a/sys/stand/boot/bootarg.c
+++ b/sys/stand/boot/bootarg.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: bootarg.c,v 1.11 2014/06/27 16:05:20 tobias Exp $	*/
+/*	$OpenBSD: bootarg.c,v 1.12 2015/09/02 01:52:26 yasuoka Exp $	*/
 
 /*
  * Copyright (c) 1997,1998 Michael Shalayeff
@@ -77,3 +77,48 @@ makebootargs(caddr_t v, size_t *lenp)
 	p->ba_type = BOOTARG_END;
 }
 
+void
+makebootargs32(caddr_t v, size_t *lenp)
+{
+	bootarg_t       *p;
+	u_char          *q;
+	size_t           l;
+	size_t           adj;
+	struct bootarg32 {
+		int      ba_type;
+		int      ba_size;
+		int      ba_nextX;
+		char     ba_arg[1];
+	}               *p32;
+
+	adj = (ssize_t)sizeof(struct bootarg32) - sizeof(bootarg_t);
+	/* get total size */
+	l = sizeof(*p32);
+	for (p = bootarg_list; p != NULL; p = p->ba_next) {
+		l += p->ba_size + adj;
+		if (*lenp < l) {
+#ifdef DEBUG
+			printf("makebootargs: too many args\n");
+#endif
+			l -= p->ba_size + adj;
+			break;
+		}
+	}
+	*lenp = l;
+	/* copy them out */
+	for (p = bootarg_list, q = v; p != NULL; p = p->ba_next) {
+		if (q + p->ba_size + adj > (u_char *)v + l - sizeof(*p32))
+			break;
+		p32 = (struct bootarg32 *)q;
+		p32->ba_type = p->ba_type;
+		p32->ba_size = p->ba_size + adj;
+		bcopy(p->ba_arg, p32->ba_arg,
+		    p->ba_size - (sizeof(*p) - sizeof(p->ba_arg)));
+#ifdef DEBUG
+		printf("%d,%d ", p->ba_type, p->ba_size);
+#endif
+		q += p32->ba_size;
+	}
+	p32 = (struct bootarg32 *)q;
+	p32->ba_type = BOOTARG_END;
+}