1 /* -*- c -*- ------------------------------------------------------------- *
2  *
3  *   Copyright 2004-2005 Murali Krishnan Ganapathy - All Rights Reserved
4  *
5  *   This program is free software; you can redistribute it and/or modify
6  *   it under the terms of the GNU General Public License as published by
7  *   the Free Software Foundation, Inc., 53 Temple Place Ste 330,
8  *   Boston MA 02111-1307, USA; either version 2 of the License, or
9  *   (at your option) any later version; incorporated herein by reference.
10  *
11  * ----------------------------------------------------------------------- */
12 
13 #ifndef __SYSLNX_H__
14 #define __SYSLNX_H__
15 
16 #include <com32.h>
17 
18 //Macros which help user not have to remember the structure of register
19 // Data structure
20 
21 #define REG_AH(x) ((x).eax.b[1])
22 #define REG_AL(x) ((x).eax.b[0])
23 #define REG_AX(x) ((x).eax.w[0])
24 #define REG_EAX(x) ((x).eax.l)
25 
26 #define REG_BH(x) ((x).ebx.b[1])
27 #define REG_BL(x) ((x).ebx.b[0])
28 #define REG_BX(x) ((x).ebx.w[0])
29 #define REG_EBX(x) ((x).ebx.l)
30 
31 #define REG_CH(x) ((x).ecx.b[1])
32 #define REG_CL(x) ((x).ecx.b[0])
33 #define REG_CX(x) ((x).ecx.w[0])
34 #define REG_ECX(x) ((x).ecx.l)
35 
36 #define REG_DH(x) ((x).edx.b[1])
37 #define REG_DL(x) ((x).edx.b[0])
38 #define REG_DX(x) ((x).edx.w[0])
39 #define REG_EDX(x) ((x).edx.l)
40 
41 #define REG_DS(x) ((x).ds)
42 #define REG_ES(x) ((x).es)
43 #define REG_FS(x) ((x).fs)
44 #define REG_GS(x) ((x).gs)
45 
46 #define REG_SI(x) ((x).esi.w[0])
47 #define REG_ESI(x) ((x).esi.l)
48 
49 #define REG_DI(x) ((x).edi.w[0])
50 #define REG_EDI(x) ((x).edi.l)
51 
52 char issyslinux(void);		/* Check if syslinux is running */
53 
54 void runsyslinuxcmd(const char *cmd);	/* Run specified command */
55 
56 void gototxtmode(void);		/* Change mode to text mode */
57 
58 void syslinux_idle(void);	/* Call syslinux idle loop */
59 
60 /* Run command line with ipappend, returns if kernel image not found
61    If syslinux version too old, then defaults to runsyslinuxcmd */
62 void runsyslinuximage(const char *cmd, long ipappend);
63 
64 #endif
65