diff options
Diffstat (limited to 'contrib/syslinux/latest/core/localboot.inc')
-rw-r--r-- | contrib/syslinux/latest/core/localboot.inc | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/contrib/syslinux/latest/core/localboot.inc b/contrib/syslinux/latest/core/localboot.inc deleted file mode 100644 index a66cf20..0000000 --- a/contrib/syslinux/latest/core/localboot.inc +++ /dev/null @@ -1,76 +0,0 @@ -; ----------------------------------------------------------------------- -; -; Copyright 1999-2008 H. Peter Anvin - All Rights Reserved -; -; This program is free software; you can redistribute it and/or modify -; it under the terms of the GNU General Public License as published by -; the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, -; Boston MA 02110-1301, USA; either version 2 of the License, or -; (at your option) any later version; incorporated herein by reference. -; -; ----------------------------------------------------------------------- - -; -; localboot.inc -; -; Boot from a local disk, or invoke INT 18h. -; - -%if HAS_LOCALBOOT - -; -; Boot a specified local disk. AX specifies the BIOS disk number; or -; -1 in case we should execute INT 18h ("next device.") -; - section .text16 - -local_boot: - call vgaclearmode - RESET_STACK_AND_SEGS dx ; dx <- 0 - mov fs,dx - mov gs,dx - mov si,localboot_msg - call writestr - call cleanup_hardware - cmp ax,-1 - je .int18 - - ; Load boot sector from the specified BIOS device and jump to it. - mov dl,al - xor dh,dh - push dx - xor ax,ax ; Reset drive - int 13h - mov ax,0201h ; Read one sector - mov cx,0001h ; C/H/S = 0/0/1 (first sector) - mov bx,trackbuf - mov bp,retry_count -.again: - pusha - int 13h - popa - jnc .ok - dec bp - jnz .again - jmp kaboom ; Failure... -.ok: - pop dx - cli ; Abandon hope, ye who enter here - mov si,trackbuf - mov di,07C00h - mov cx,512 ; Probably overkill, but should be safe - rep movsd - mov ss,cx ; SS <- 0 - mov sp,7C00h - jmp 0:07C00h ; Jump to new boot sector - -.int18: - int 18h ; Hope this does the right thing... - jmp kaboom ; If we returned, oh boy... - - section .data16 -localboot_msg db 'Booting from local disk...', CR, LF, 0 - - section .text16 - -%endif ; HAS_LOCALBOOT |