source: trunk/enter.asm@ 26

section .text
global enter_section

enter_section:
        enter 0, 0         ; 0 bytes of local stack space
        mov   ebx,[ebp+8]     ; first parameter to function


;; bts bitbase bitoffset
;; selects the bitoffset bit in bitbase,
;; stores the value in the CF flag, and sets the bit to 1
spin:   lock bts dword [ebx], 0
        jc spin

        leave                   ; mov esp,ebp / pop ebp
        ret