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kolibrios/kernel/trunk/macros.inc

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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; 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
}