// bcc -ansi -Md -O pcidump2.c -o pcidump2.com

#include <stdio.h>

unsigned long	in_w(unsigned short port)
{
#asm
	push	bp
	mov	bp, sp

	mov	dx, [bp + 4]

	in	eax, dx

	push	eax
	pop	ax
	pop	dx

	pop	bp
#endasm
}

void	out_w(unsigned short port, unsigned long data)
{
#asm
	push	bp
	mov	bp, sp

	mov	dx, [bp + 4]
	mov	eax, [bp + 6]

	out	dx, eax

	pop	bp
#endasm
}

unsigned long	read_pcireg(unsigned long reg)
{
	unsigned long	var;

	reg |= 0x80000000L;
#asm
	cli
#endasm

	out_w(0xcf8, reg);
	var = in_w(0xcfc);
#asm
	sti
#endasm
	return var;
}

int	main(int argc, char *argv[])
{
	FILE	*fp;
	unsigned long	f, r;
	static	unsigned long	buf[64];

	fp = fopen("pcidump2.bin", "wb");
	if (fp == NULL) goto fin0;

	for (f = 0; f < 256; f++) {
		for (r = 0; r < 64; r++) {
			buf[r] = read_pcireg((f << 8) | (r << 2));
		}

		fwrite(buf, sizeof(buf), 1, fp);
	}

	fclose(fp);
fin0:
	return 0;
}