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/* -*- c -*- ------------------------------------------------------------- *
*
* Copyright 2004 Murali Krishnan Ganapathy - All Rights Reserved
*
* 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,
* Bostom MA 02111-1307, USA; either version 2 of the License, or
* (at your option) any later version; incorporated herein by reference.
*
* ----------------------------------------------------------------------- */
#include "syslinux.h"
#include "biosio.h"
static inline int asm_issyslinux(void)
{
unsigned long eax, ebx, ecx, edx;
asm("movb $0x30,%%ah ; int $0x21"
: "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx));
return (eax == 0x53590000) && (ebx == 0x534c0000) &&
(ecx == 0x494e0000) && (edx == 0x55580000);
}
char issyslinux(void)
{
return asm_issyslinux();
}
static inline void asm_runcommand(const char *cmd)
{
asm volatile("int $0x22" : : "a" (0x0003), "b" (cmd));
}
void runcommand(const char *cmd)
{
asm_runcommand(cmd);
}
static inline void asm_gototxtmode(void)
{
asm volatile("int $0x22" : : "a" (0x0005));
}
void gototxtmode()
{
asm_gototxtmode();
}
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