wok annotate syslinux/stuff/iso2exe/mvcom.S @ rev 18789

Add opencv (again)
author Pascal Bellard <pascal.bellard@slitaz.org>
date Tue Jan 05 11:03:10 2016 +0100 (2016-01-05)
parents ada914860f33
children 62104f2454a3
rev   line source
pascal@14150 1 .text
pascal@14150 2 .code16
pascal@14150 3
pascal@14150 4 ORGCOM = 0x100
pascal@14150 5
pascal@14150 6 .org 0
pascal@14150 7
pascal@14150 8 .globl _start
pascal@14150 9 _start:
pascal@14150 10 movw $0, %si // .com size
pascal@14150 11 movw $0, %bx // .com loc
pascal@14150 12 #if 1
pascal@14267 13 // Move up EXE/PE and DOS/COM to ensure that bootiso[]
pascal@14267 14 // in EXE/PE will not be affected by the DOS/COM move.
pascal@14150 15 pushw %si
pascal@14150 16 leaw 1-64-256(%bx,%si), %cx
pascal@14150 17 leaw (%bx,%si), %si
pascal@14267 18 movw $0xF000, %di // Keep 4K for stack
pascal@14150 19 cmpw %si, %di
pascal@14150 20 jc skip
pascal@14150 21 std
pascal@14150 22 rep
pascal@14150 23 movsb
pascal@14150 24 subw %si, %di
pascal@14150 25 addw %di, %bx
pascal@14150 26 skip:
pascal@14150 27 popw %si
pascal@14150 28 #endif
pascal@14150 29 movw $done-install, %cx
pascal@14150 30 leaw (%bx,%si), %di
pascal@14150 31 pushw %si
pascal@14150 32 call move
pascal@14150 33 install:
pascal@14150 34 popw %cx
pascal@14150 35 movw $ORGCOM, %di
pascal@14150 36 pushw %bx
pascal@14150 37 move:
pascal@14150 38 popw %si
pascal@14150 39 pushw %di
pascal@14150 40 cld
pascal@14150 41 rep
pascal@14150 42 movsb
pascal@14150 43 ret
pascal@14150 44 done:
pascal@14317 45 .ascii "(www.slitaz.org)"
pascal@14317 46
pascal@14150 47 // .org 64