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/* Project:     OSLib
 * Description: The OS Construction Kit
 * Date:                1.6.2000
 * Idea by:             Luca Abeni & Gerardo Lamastra
 *
 * OSLib is an SO project aimed at developing a common, easy-to-use
 * low-level infrastructure for developing OS kernels and Embedded
 * Applications; it partially derives from the HARTIK project but it
 * currently is independently developed.
 *
 * OSLib is distributed under GPL License, and some of its code has
 * been derived from the Linux kernel source; also some important
 * ideas come from studying the DJGPP go32 extender.
 *
 * We acknowledge the Linux Community, Free Software Foundation,
 * D.J. Delorie and all the other developers who believe in the
 * freedom of software and ideas.
 *
 * For legalese, check out the included GPL license.
 */

/*      Provides the _exit function for escaping from PM!!!     */

#include <ll/i386/linkage.h>
#include <ll/i386/defs.h>
#include <ll/i386/sel.h>
#include <ll/i386/defs.h>

.data

ASMFILE(X0-Sys)

.text

.globl SYMBOL_NAME(_x_callBIOS)

#ifdef __NO_INLINE_PORT__
.globl SYMBOL_NAME(outp)
.globl SYMBOL_NAME(inp)
.globl SYMBOL_NAME(outpw)
.globl SYMBOL_NAME(inpw)
.globl SYMBOL_NAME(outpd)
.globl SYMBOL_NAME(inpd)
#endif

/* Invoke 16 bit BIOS function from PM application */

/* void _x_callBIOS(void) */

SYMBOL_NAME_LABEL(_x_callBIOS)
                .byte   0x09a              /* Direct gate call */
                .long   0                  
                .word   X_CALLBIOS_GATE
                ret

#ifdef __NO_INLINE_PORT__
/* void outp(int port,char value) */

SYMBOL_NAME_LABEL(outp)
                movl    4(%esp),%edx
                movl    8(%esp),%eax
                outb    %al,%dx
                ret

/* char inp(int port) */

SYMBOL_NAME_LABEL(inp)
                movl    4(%esp),%edx
                inb     %dx,%al
                movzb   %al,%eax
                ret

/* void outpw(int port,unsigned short value) */

SYMBOL_NAME_LABEL(outpw)
                movl    4(%esp),%edx
                movl    8(%esp),%eax
                outw    %ax,%dx
                ret

/* unsigned short inpw(int port) */

SYMBOL_NAME_LABEL(inpw)
                movl    4(%esp),%edx
                inw     %dx,%ax
                movzwl  %ax,%eax
                ret
/* void outpd(int port,unsigned long value) */

SYMBOL_NAME_LABEL(outpd)
                movl    4(%esp),%edx
                movl    8(%esp),%eax
                outl    %eax,%dx
                ret

/* unsigned long inpd(int port) */

SYMBOL_NAME_LABEL(inpd)
                movl    4(%esp),%edx
                inl     %dx,%eax
                ret
#endif  /* __NO_INLINE_PORTS__ */