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int buscar_dispositivos_ata()
{
    printf("[SISTEMA] Buscando dispositivos ATA...\n");

    int ndispositivos = 0;

    unsigned int dados [256];
    unsigned int dados_off;
    unsigned int loop, size;

    ndispositivos = peekb(0x40, 0x75); // Byte at Segment 40H Offset 75H

    for (loop = 0; loop < ndispositivos; loop++)
    {
        while (inportb(0x1F7) != 0x50);  // Wait for controller not busy

        outportb(0x1F6, (loop == 0 ? 0xA0 : 0xB0)); // Get first/second drive

        outportb(0x1F7, 0xEC);          // Get drive info data

        while (inportb(0x1F7) != 0x58);  // Wait for data ready

        for (dados_off = 0; dados_off != 256; dados_off++) // Read "sector"
            dados[dados_off] = inportbw(0x1F0);

        hard_disks[loop].Modelo  = getascii(dados, 27, 46);
        hard_disks[loop].Serial  = getascii(dados, 10, 19);
        size = 0;
        size = ((dados[1] * dados[3] * dados[6]) * 0.5) / 1024;
        hard_disks[loop].Tamanho = tamanho;
        hard_disks[loop].Canal   = (loop == 0 || loop == 1) ? 0 : 1;
        hard_disks[loop].Drive   = (loop == 0 || loop == 2) ? 0 : 1;

        printf("DRIVE %d:\n", loop);
        printf("Modelo____________________: %s\n", getascii(dados, 27, 46));
        printf("Serial____________________: %s\n", getascii(dados, 10, 19));
        printf("Dados do HD:\n");
        printf("Tamanho___________________: %d\n", tamanho);
        printf("Cilindros_________________: %d\n", dados[1]);
        printf("Cabeças___________________: %d\n", dados[3]);
        printf("Setores por Trilha________: %d\n\n", dados[6]);
    }

    if (ndispositivos == 0)
    {
        printf("[SISTEMA] Nenhum dispositivo ATA encontrado...\n");
        return 0;
    }
    else printf("[SISTEMA] %d dispositivo(s) ATA encontrado(s)...\n", ndispositivos);

    return 1;
}

Code: Select all

typedef struct
{
	unsigned char Status;
	unsigned char FHead;
	unsigned char FSector;
	unsigned char FCylinder;
	unsigned char PartitionType;
	unsigned char LHead;
	unsigned char LSector;
	unsigned char LCylinder;
	unsigned int  LBAFirstSector;
	unsigned int  NumberofBlocks;
} PartitionInfo;