mkinitrd-magellan/isolinux/macros.inc

;; -----------------------------------------------------------------------
;;
;;   Copyright 1994-2008 H. Peter Anvin - All Rights Reserved
;;   Copyright 2009 Intel Corporation; author: H. Peter Anvin
;;
;;   This program is free software; you can redistribute it and/or modify
;;   it under the terms of the GNU General Public License as published by
;;   the Free Software Foundation, Inc., 53 Temple Place Ste 330,
;;   Boston MA 02111-1307, USA; either version 2 of the License, or
;;   (at your option) any later version; incorporated herein by reference.
;;
;; -----------------------------------------------------------------------

;;
;; macros.inc
;;
;; Convenient macros
;;

%ifndef _MACROS_INC
%define _MACROS_INC

;
; Identify the module we're compiling; the "correct" should be defined
; in the module itself to 1
;
%ifdef IS_SYSLINUX
 %define MY_NAME 'SYSLINUX'
%else
 %define IS_SYSLINUX 0
%endif
%ifdef IS_PXELINUX
 %define MY_NAME 'PXELINUX'
%else
 %define IS_PXELINUX 0
%endif
%ifdef IS_ISOLINUX
 %define MY_NAME 'ISOLINUX'
%else
 %define IS_ISOLINUX 0
%endif
%ifdef IS_EXTLINUX
 %define MY_NAME 'EXTLINUX'
%else
 %define IS_EXTLINUX 0
%endif

;
; Macros similar to res[bwd], but which works in the code segment (after
; section .text) or the data segment (section .data)
;
%macro	zb	1.nolist
	times %1 db 0
%endmacro

%macro	zw	1.nolist
	times %1 dw 0
%endmacro

%macro	zd	1.nolist
	times %1 dd 0
%endmacro

;
; Align with zero bytes in a progbits segment
;
%macro	alignz	1.nolist
	times (((%1) - (($-$$) % (%1))) % (%1)) db 0
%endmacro

;
; Macro to emit an unsigned decimal number as a string
;
%macro asciidec	1.nolist
  %ifndef DEPEND	; Not safe for "depend"
    %push asciidec
      %assign %$v %1
      %if %$v == 0
        db '0'
      %else
        %assign %$dcount 0
        %assign %$n %$v
        %assign %$d 1
        %rep 20
          %if %$n != 0
            %assign %$dcount %$dcount + 1
            %assign %$n %$n / 10
            %assign %$d %$d * 10
          %endif
        %endrep
        %rep %$dcount
	  %assign %$d %$d / 10
          db ((%$v / %$d) % 10) + '0'
        %endrep
      %endif
    %pop
  %endif
%endmacro

;
; Macros for network byte order of constants
;
%define htons(x)  ( ( ((x) & 0FFh) << 8 ) + ( ((x) & 0FF00h) >> 8 ) )
%define ntohs(x) htons(x)
%define htonl(x)  ( ( ((x) & 0FFh) << 24) + ( ((x) & 0FF00h) << 8 ) + ( ((x) & 0FF0000h) >> 8 ) + ( ((x) & 0FF000000h) >> 24) )
%define ntohl(x) htonl(x)

;
; ASCII
;
CR		equ 13		; Carriage Return
LF		equ 10		; Line Feed
FF		equ 12		; Form Feed
BS		equ  8		; Backspace

%endif ; _MACROS_INC
1	niro	532	;; -----------------------------------------------------------------------
2			;;
3	niro	1133	;; Copyright 1994-2008 H. Peter Anvin - All Rights Reserved
4			;; Copyright 2009 Intel Corporation; author: H. Peter Anvin
5			;;
6	niro	532	;; This program is free software; you can redistribute it and/or modify
7			;; it under the terms of the GNU General Public License as published by
8			;; the Free Software Foundation, Inc., 53 Temple Place Ste 330,
9			;; Boston MA 02111-1307, USA; either version 2 of the License, or
10			;; (at your option) any later version; incorporated herein by reference.
11			;;
12			;; -----------------------------------------------------------------------
13
14			;;
15			;; macros.inc
16	niro	1133	;;
17	niro	532	;; Convenient macros
18			;;
19
20			%ifndef _MACROS_INC
21			%define _MACROS_INC
22
23			;
24			; Identify the module we're compiling; the "correct" should be defined
25			; in the module itself to 1
26			;
27	niro	1133	%ifdef IS_SYSLINUX
28			%define MY_NAME 'SYSLINUX'
29			%else
30			%define IS_SYSLINUX 0
31	niro	532	%endif
32	niro	1133	%ifdef IS_PXELINUX
33			%define MY_NAME 'PXELINUX'
34			%else
35			%define IS_PXELINUX 0
36	niro	532	%endif
37	niro	1133	%ifdef IS_ISOLINUX
38			%define MY_NAME 'ISOLINUX'
39			%else
40			%define IS_ISOLINUX 0
41	niro	532	%endif
42	niro	1133	%ifdef IS_EXTLINUX
43			%define MY_NAME 'EXTLINUX'
44			%else
45			%define IS_EXTLINUX 0
46	niro	532	%endif
47
48			;
49			; Macros similar to res[bwd], but which works in the code segment (after
50			; section .text) or the data segment (section .data)
51			;
52			%macro zb 1.nolist
53			times %1 db 0
54			%endmacro
55
56			%macro zw 1.nolist
57			times %1 dw 0
58			%endmacro
59
60			%macro zd 1.nolist
61			times %1 dd 0
62			%endmacro
63
64			;
65	niro	1133	; Align with zero bytes in a progbits segment
66			;
67			%macro alignz 1.nolist
68			times (((%1) - (($-$$) % (%1))) % (%1)) db 0
69			%endmacro
70
71			;
72	niro	532	; Macro to emit an unsigned decimal number as a string
73			;
74			%macro asciidec 1.nolist
75	niro	1133	%ifndef DEPEND ; Not safe for "depend"
76			%push asciidec
77			%assign %$v %1
78			%if %$v == 0
79			db '0'
80			%else
81			%assign %$dcount 0
82			%assign %$n %$v
83			%assign %$d 1
84			%rep 20
85			%if %$n != 0
86			%assign %$dcount %$dcount + 1
87			%assign %$n %$n / 10
88			%assign %$d %$d * 10
89			%endif
90			%endrep
91			%rep %$dcount
92			%assign %$d %$d / 10
93			db ((%$v / %$d) % 10) + '0'
94			%endrep
95			%endif
96			%pop
97			%endif
98	niro	532	%endmacro
99
100			;
101			; Macros for network byte order of constants
102			;
103			%define htons(x) ( ( ((x) & 0FFh) << 8 ) + ( ((x) & 0FF00h) >> 8 ) )
104			%define ntohs(x) htons(x)
105			%define htonl(x) ( ( ((x) & 0FFh) << 24) + ( ((x) & 0FF00h) << 8 ) + ( ((x) & 0FF0000h) >> 8 ) + ( ((x) & 0FF000000h) >> 24) )
106			%define ntohl(x) htonl(x)
107
108			;
109			; ASCII
110			;
111			CR equ 13 ; Carriage Return
112			LF equ 10 ; Line Feed
113			FF equ 12 ; Form Feed
114			BS equ 8 ; Backspace
115
116			%endif ; _MACROS_INC