diff options
Diffstat (limited to 'contrib/syslinux-4.02/com32/modules/stubs/swapstub.asm')
| -rw-r--r-- | contrib/syslinux-4.02/com32/modules/stubs/swapstub.asm | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/com32/modules/stubs/swapstub.asm b/contrib/syslinux-4.02/com32/modules/stubs/swapstub.asm new file mode 100644 index 0000000..b670ce4 --- /dev/null +++ b/contrib/syslinux-4.02/com32/modules/stubs/swapstub.asm @@ -0,0 +1,33 @@ + bits 16 +swap: + push bx + movzx bx,dl + mov dl,[cs:bx+(table-$$)] + pop bx +.jmp: jmp 0:0 + nop + nop +install: + ;; DS = CS, ES = 0 + mov edi,[es:si+4*0x13] + mov [swap.jmp+1],edi + mov di,[es:0x413] + dec di + mov [es:0x413],di + shl edi,16+6 + mov [es:si+4*0x13],edi + shr edi,16 + mov es,di + xor di,di + rep movsd + mov si,0 + mov di,0 + mov ds,si + mov es,di + mov ecx,0 + mov esi,0 + mov edi,0 + jmp 0:0 + + align 16 +table: |