Add support for booting in VESA 0x102 videomode. Corresponding patches to

syscons are being reviewed by sos.

4 files changed, 46 insertions, 6 deletions

diff --git a/sys/i386/boot/biosboot/Makefile b/sys/i386/boot/biosboot/Makefile
index 3344134..de820a8 100644
--- a/sys/i386/boot/biosboot/Makefile
+++ b/sys/i386/boot/biosboot/Makefile
@@ -1,4 +1,4 @@
-#	$Id: Makefile,v 1.56 1997/04/25 19:37:58 bde Exp $
+#	$Id: Makefile,v 1.57 1997/06/09 05:10:54 bde Exp $
 #
 
 PROG=	boot
@@ -10,7 +10,8 @@ BINDIR=		/usr/mdec
 BINMODE=	444
 CFLAGS=		-O2 -malign-functions=0 -malign-jumps=0 -malign-loops=0 \
 		-mno-486 \
-		-DDO_BAD144 -DBOOTWAIT=${BOOTWAIT} -DTIMEOUT=${TIMEOUT}
+		-DVESA_SUPPORT -DDO_BAD144 \
+		-DBOOTWAIT=${BOOTWAIT} -DTIMEOUT=${TIMEOUT}
 CFLAGS+=	-DBOOTSEG=${BOOTSEG} -DBOOTSTACK=${BOOTSTACK}
 CFLAGS+=	-I${.CURDIR}/../../..
 CFLAGS+=	${CWARNFLAGS}
diff --git a/sys/i386/boot/biosboot/bios.S b/sys/i386/boot/biosboot/bios.S
index 340e7a0..891d93a 100644
--- a/sys/i386/boot/biosboot/bios.S
+++ b/sys/i386/boot/biosboot/bios.S
@@ -24,7 +24,7 @@
  * the rights to redistribute these changes.
  *
  *	from: Mach, Revision 2.2  92/04/04  11:34:26  rpd
- *	$Id: bios.S,v 1.10 1997/05/16 10:39:59 bde Exp $
+ *	$Id: bios.S,v 1.11 1997/07/12 10:23:15 joerg Exp $
  */
 
 /*
@@ -476,3 +476,31 @@ xdone:
 	pop	%ebx
 	pop	%ebp
 	ret
+
+#ifdef VESA_SUPPORT
+ENTRY(vesa_mode)
+	push	%ebp
+	mov	%esp, %ebp
+	push	%ebx
+	push	%esi
+	push    %edi
+
+	movw	0x8(%ebp), %bx
+
+	call	EXT(prot_to_real)
+
+	data32
+	mov	$0x4f02, %eax
+	sti
+	int	$0x10
+	cli
+
+	data32
+	call	EXT(real_to_prot)
+
+	pop	%edi
+	pop	%esi
+	pop	%ebx
+	pop	%ebp
+	ret
+#endif
diff --git a/sys/i386/boot/biosboot/boot.c b/sys/i386/boot/biosboot/boot.c
index 0257d8e..8b1ae11 100644
--- a/sys/i386/boot/biosboot/boot.c
+++ b/sys/i386/boot/biosboot/boot.c
@@ -24,7 +24,7 @@
  * the rights to redistribute these changes.
  *
  *	from: Mach, [92/04/03  16:51:14  rvb]
- *	$Id: boot.c,v 1.66 1997/06/09 05:10:55 bde Exp $
+ *	$Id: boot.c,v 1.67 1997/06/14 10:00:42 bde Exp $
  */
 
 
@@ -201,6 +201,12 @@ loadprog(void)
 	unsigned pad;
 	char *s, *t;
 
+
+#ifdef VESA_SUPPORT
+	if (bootinfo.bi_vesa)
+		vesa_mode(bootinfo.bi_vesa);
+#endif
+
 	read((void *)&head, sizeof(head));
 	if ( N_BADMAG(head)) {
 		printf("Invalid format!\n");
@@ -381,6 +387,10 @@ nextarg:
 					goto nextarg;
 				if (c == 'a')
 					f |= RB_ASKNAME;
+#ifdef VESA_SUPPORT
+				if (c == 'b') 
+					bootinfo.bi_vesa = 0x102;
+#endif
 				if (c == 'C')
 					f |= RB_CDROM;
 				if (c == 'c')
diff --git a/sys/i386/include/bootinfo.h b/sys/i386/include/bootinfo.h
index 3ad09db..d91b2a8 100644
--- a/sys/i386/include/bootinfo.h
+++ b/sys/i386/include/bootinfo.h
@@ -29,7 +29,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id$
+ *	$Id: bootinfo.h,v 1.7 1997/02/22 09:33:57 peter Exp $
  */
 
 #ifndef	_MACHINE_BOOTINFO_H_
@@ -55,7 +55,8 @@ struct bootinfo {
 	unsigned long		bi_bios_geom[N_BIOS_GEOM];
 	unsigned int		bi_size;
 	unsigned char		bi_memsizes_valid;
-	unsigned char		bi_pad[3];
+	unsigned char		bi_pad[1];
+	unsigned short		bi_vesa;
 	unsigned long		bi_basemem;
 	unsigned long		bi_extmem;
 	unsigned long		bi_symtab;