diff options
| -rw-r--r-- | sys/boot/pc98/boot2/start.S | 42 |
1 files changed, 13 insertions, 29 deletions
diff --git a/sys/boot/pc98/boot2/start.S b/sys/boot/pc98/boot2/start.S index a7e6935..2501470 100644 --- a/sys/boot/pc98/boot2/start.S +++ b/sys/boot/pc98/boot2/start.S @@ -110,11 +110,6 @@ start: mov $0xa000, %eax mov %ax, %es - addr32 - movb 0x501, %al - testb $0x08, %al - jnz hireso -normal: /* set up graphic screen */ movb $0x42, %ah movb $0xc0, %ch @@ -124,15 +119,7 @@ normal: data32 mov $0x0a00, %eax /* 80 x 25 mode */ - jmp 1f -hireso: - movb $0x08, %al /* set up RAM window */ - outb %al, $0x91 - movb $0x0a, %al - outb %al, $0x93 - data32 - mov $0x0a10, %ax /* 80 x 31 mode */ -1: + int $0x18 movb $0x0c, %ah /* text on */ int $0x18 @@ -144,19 +131,6 @@ hireso: movb $0x11, %ah int $0x18 - /* highreso no supported */ - addr32 - movb 0x501, %al - testb $0x08, %al - jz nothireso - - data32 - mov $ehireso, %esi - data32 - call message - hlt - -nothireso: /* keyboad reset */ movb $0x03, %ah int $0x18 @@ -527,9 +501,19 @@ ewrite: String "Write error\r\n\0" eread: String "Read error\r\n\0" enoboot: String "No bootable partition\r\n\0" endofcode: -ehireso: String "Highreso not supported\r\n\0" + + . = EXT(boot1) + 0x1be + +/* Partition table */ + + .fill 0x30,0x1,0x0 + .byte 0x80, 0x00, 0x01, 0x00 + .byte 0xa5, 0xff, 0xff, 0xff + .byte 0x00, 0x00, 0x00, 0x00 + .byte 0x50, 0xc3, 0x00, 0x00 + /* the last 2 bytes in the sector 0 contain the signature */ - . = EXT(boot1) + 0x1fe .value SIGNATURE + ENTRY(disklabel) . = EXT(boot1) + 0x400 |
