d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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

Browse Source 
syscons are being reviewed by sos.
This commit is contained in:
phk 1997-07-31 08:07:54 +00:00
parent 29728add12
commit 6d1ddc2e2d
4 changed files with 46 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
sys/i386/boot/biosboot/Makefile
View File

@ -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}

30
sys/i386/boot/biosboot/bios.S
View File

@ -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

12
sys/i386/boot/biosboot/boot.c
View File

@ -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 @@ getbootdev(char *ptr, int *howto)
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')

5
sys/i386/include/bootinfo.h
View File

@ -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;