C++ (Cpp) hexwrite Exemples

Exemple #1

Fichier : FIPSSPEC.CPP Projet : feelus-disk/_programming

void fips_harddrive::get_geometry (void)
{
	union REGS regs;

	regs.h.ah = GET_DRIVE_PARAMS;
	regs.h.dl = number;
	int86 (DISK_INT,&regs,&regs);
	if (global.debug_mode)
	{
		fprintf (global.debugfile,"\nRegisters after call to int 13h 08h (drive %02Xh):\n\n",number);
		fprintf (global.debugfile,"   00       sc/cl    hd\n");
		fprintf (global.debugfile,"al ah bl bh cl ch dl dh   si    di    cflgs flags\n");
		hexwrite ((byte *) &regs,16,global.debugfile);
	}
	if ((errorcode = regs.h.ah) != 0) return;
	geometry.heads = (dword) regs.h.dh + 1;
	geometry.sectors = (dword) regs.h.cl & 0x3f;
	geometry.cylinders = ((dword) regs.h.ch | (((dword) regs.h.cl << 2) & 0x300)) + 1;

	if (global.debug_mode)
	{
		fprintf (global.debugfile, "\nGeometry reported by BIOS:\n");
		fprintf
		(
			global.debugfile,
			"%ld cylinders, %ld heads, %ld sectors\n",
			geometry.cylinders,
			geometry.heads,
			geometry.sectors
		);
	}
}

Exemple #2

Fichier : driver.c Projet : dclovesdc1/pingrf

static int
pireset(int fd)
{
	static uint8 ff = 0xff;

	if(hexwrite(fd, &ff, 1) < 0)
		return -1;

	/* This is fairly conservative. */
	taskdelay(250);
	return 0;
}

Exemple #3

Fichier : FIPSSPEC.CPP Projet : feelus-disk/_programming

void fips_harddrive::reset (void)
{
	union REGS regs;

	regs.h.ah = RESET_DISK;
	regs.h.dl = number;
	int86 (DISK_INT,&regs,&regs);
	if (global.debug_mode)
	{
		fprintf (global.debugfile,"\nRegisters after call to int 13h 00h (drive %02Xh):\n\n",number);
		fprintf (global.debugfile,"al ah bl bh cl ch dl dh   si    di    cflgs flags\n");
		hexwrite ((byte *) &regs,16,global.debugfile);
	}
	errorcode = regs.h.ah;
}

Exemple #4

Fichier : FIPSSPEC.CPP Projet : feelus-disk/_programming

boolean fips_partition::split (fips_harddrive hd)
{
	if (read_boot_sector ())
		error ("Error reading boot sector");

	if (global.debug_mode)
	{
		fprintf
		(
			global.debugfile,
			"\nBoot sector drive %02Xh, partition %u:\n\n",
			hd.number,
			number + 1
		);

		hexwrite
		(
			boot_sector->data,
			512,
			global.debugfile
		);
	}

	get_bpb ();

	printx ("\nBoot sector:\n\n");
	print_bpb ();

	get_info ();
	if (global.debug_mode)
		write_info_debugfile ();

	check ();

	fat16 fat1 (this,1);
	fat16 fat2 (this,2);

	fat1.check_against (&fat2);

	dword new_part_min_cylinder =
		min_cylinder (fat2, hd.geometry);

	if (ask_if_save()) save_root_and_boot(&hd,this);

	dword new_start_cylinder =
		ask_for_new_start_cylinder
		(
			partition_info->start_cylinder,
			new_part_min_cylinder,
			partition_info->end_cylinder,
			hd.geometry.heads * hd.geometry.sectors
		);

	fat2.check_empty
	(
		new_start_cylinder
			* hd.geometry.heads
			* hd.geometry.sectors
		- partition_info->start_sector_abs
	);

	hd.calculate_new_root (new_start_cylinder, this);

	hd.put_partition_table();
	hd.get_partition_table();

	printx ("\nNew partition table:\n\n");
	hd.print_partition_table ();

	hd.check (FINAL_CHECK);

	if (ask_if_continue () == false)
	{
		return (false);
	}

	calculate_new_boot ();

	put_bpb ();
	get_bpb ();

	printx ("\nNew boot sector:\n\n");
	print_bpb ();

	get_info ();
	if (global.debug_mode)
		write_info_debugfile ();

	check();

	if (!global.test_mode)
	{
		ask_for_write_permission ();

		if (hd.write_root_sector ())
			error ("Error writing root sector");

		if (write_boot_sector ())
			error ("Error writing boot sector");

		printx ("Repartitioning complete\n");
	}

	return (true);
}