X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=kitten%2Farch%2Fx86_64%2Fboot%2Fbootsect.S;fp=kitten%2Farch%2Fx86_64%2Fboot%2Fbootsect.S;h=0000000000000000000000000000000000000000;hb=80d6ccd14cca51eec611cc96cf1e39c7a9c98421;hp=d6ddeb8214c55962b0414227e87c5d7ec270b728;hpb=e5d7715c14a23e72d742d402d4e4cdf97ffab697;p=palacios.git diff --git a/kitten/arch/x86_64/boot/bootsect.S b/kitten/arch/x86_64/boot/bootsect.S deleted file mode 100644 index d6ddeb8..0000000 --- a/kitten/arch/x86_64/boot/bootsect.S +++ /dev/null @@ -1,96 +0,0 @@ -/* - * bootsect.S Copyright (C) 1991, 1992 Linus Torvalds - * - * modified by Drew Eckhardt - * modified by Bruce Evans (bde) - * modified by Chris Noe (May 1999) (as86 -> gas) - * gutted by H. Peter Anvin (Jan 2003) - * - * BIG FAT NOTE: We're in real mode using 64k segments. Therefore segment - * addresses must be multiplied by 16 to obtain their respective linear - * addresses. To avoid confusion, linear addresses are written using leading - * hex while segment addresses are written as segment:offset. - * - */ - -#include - -SETUPSECTS = 4 /* default nr of setup-sectors */ -BOOTSEG = 0x07C0 /* original address of boot-sector */ -INITSEG = DEF_INITSEG /* we move boot here - out of the way */ -SETUPSEG = DEF_SETUPSEG /* setup starts here */ -SYSSEG = DEF_SYSSEG /* system loaded at 0x10000 (65536) */ -SYSSIZE = DEF_SYSSIZE /* system size: # of 16-byte clicks */ - /* to be loaded */ -ROOT_DEV = 0 /* ROOT_DEV is now written by "build" */ -SWAP_DEV = 0 /* SWAP_DEV is now written by "build" */ - -#define SVGA_MODE 0 - -#ifndef RAMDISK -#define RAMDISK 0 -#endif - -#ifndef ROOT_RDONLY -#define ROOT_RDONLY 1 -#endif - -.code16 -.text - -.global _start -_start: - - # Normalize the start address - jmpl $BOOTSEG, $start2 - -start2: - movw %cs, %ax - movw %ax, %ds - movw %ax, %es - movw %ax, %ss - movw $0x7c00, %sp - sti - cld - - movw $bugger_off_msg, %si - -msg_loop: - lodsb - andb %al, %al - jz die - movb $0xe, %ah - movw $7, %bx - int $0x10 - jmp msg_loop - -die: - # Allow the user to press a key, then reboot - xorw %ax, %ax - int $0x16 - int $0x19 - - # int 0x19 should never return. In case it does anyway, - # invoke the BIOS reset code... - ljmp $0xf000,$0xfff0 - - -bugger_off_msg: - .ascii "Direct booting from floppy is no longer supported.\r\n" - .ascii "Please use a boot loader program instead.\r\n" - .ascii "\n" - .ascii "Remove disk and press any key to reboot . . .\r\n" - .byte 0 - - - # Kernel attributes; used by setup - - .org 497 -setup_sects: .byte SETUPSECTS -root_flags: .word ROOT_RDONLY -syssize: .word SYSSIZE -swap_dev: .word SWAP_DEV -ram_size: .word RAMDISK -vid_mode: .word SVGA_MODE -root_dev: .word ROOT_DEV -boot_flag: .word 0xAA55