kolibrios/kernel/trunk/macros.inc

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;                                                              ;;
;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License    ;;
;;                                                              ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

__REV = 0

macro $Revision a {
  match =: Num =$,a \{
    if __REV < Num
      __REV = Num
    end if
  \}
}

$Revision$


;// mike.dld, 2006-29-01 [

; macros definition
macro diff16 title,l1,l2
{
  local s,d
  s = l2-l1
  display title,': 0x'
  repeat 16
    d = 48 + s shr ((16-%) shl 2) and $0F
    if d > 57
      d = d + 65-57-1
    end if
    display d
  end repeat
  display 13,10
}
macro diff10 title,l1,l2
 {
  local s,d,z,m
  s = l2-l1
  z = 0
  m = 1000000000
  display title,': '
  repeat 10
   d = '0' + s / m
   s = s - (s/m)*m
   m = m / 10
   if d <> '0'
    z = 1
   end if
   if z <> 0
    display d
   end if
  end repeat
  display 13,10
 }

include 'kglobals.inc'

; \begin{diamond}[29.09.2006]
; may be useful for kernel debugging
; example 1:
;       dbgstr 'Hello, World!'
; example 2:
;       dbgstr 'Hello, World!', save_flags
macro dbgstr string*, f
{
local a
iglobal_nested
a db 'K : ',string,13,10,0
endg_nested
if ~ f eq
        pushfd
end if
        push    esi
        mov     esi, a
        call    sys_msg_board_str
        pop     esi
if ~ f eq
        popfd
end if
}
; \end{diamond}[29.09.2006]


macro list_init head
{
        mov     [head+LHEAD.next], head
        mov     [head+LHEAD.prev], head
}

macro __list_add new, prev, next
{
        mov     [next+LHEAD.prev], new
        mov     [new+LHEAD.next], next
        mov     [new+LHEAD.prev], prev
        mov     [prev+LHEAD.next], new
}

macro list_add new, head
{
        mov     eax, [head+LHEAD.next]
    __list_add new, head, eax
}

macro list_add_tail new, head
{
        mov     eax, [head+LHEAD.prev]
    __list_add new, eax, head
}

macro list_del entry
{
        mov     edx, [entry+LHEAD.next]
        mov     ecx, [entry+LHEAD.prev]
        mov     [edx+LHEAD.prev], ecx
        mov     [ecx+LHEAD.next], edx
}

; MOV Immediate.
; Useful for things like movi eax,10:
; shorter than regular mov, but slightly slower,
; do not use it in performance-critical places.
macro movi dst, imm
{
if imm >= -0x80 & imm <= 0x7F
        push    imm
        pop     dst
else
        mov     dst, imm
end if
}