/*
功能：
获取硬盘信息。主要是获取对应硬盘的容量，获取的信息保存在hd_info中
参数：
device：系统统一设备编号
返回值：
（无）
*/
static void hd_identify(int index){
int hd_index=HD_INDEX(index);
struct s_hd_command cmd;
cmd.device=MAKE_DEVICE_REG(0,hd_index,0);
cmd.command=ATA_IDENTIFY;
hd_command_out(&cmd);
#ifdef DEBUG_HD
printl("interrupt_wait\n");
#endif
interrupt_wait();
port_read(REG_P_DATA,hdbuf,SECTOR_SIZE);
#ifdef DEBUG_HD
print_identify_info((u16*)hdbuf);
#endif
u16 *hdinfo=(u16*)hdbuf;
//硬盘基址
hd_info[hd_index].primary[0].base=0;
//硬盘扇区数
hd_info[hd_index].primary[0].size=((int)hdinfo[61]<<16)+hdinfo[60];
}
/**
* <Ring 1> Get the disk information.
*
* @param drive Drive Nr.
*****************************************************************************/
PRIVATE void hd_identify(int drive)
{
struct hd_cmd cmd;
cmd.device = MAKE_DEVICE_REG(0, drive, 0);
cmd.command = ATA_IDENTIFY;
hd_cmd_out(&cmd);
interrupt_wait();
port_read(REG_DATA, hdbuf, SECTOR_SIZE);
print_identify_info((u16*)hdbuf);
}
/* @param drive When drive == 0, master is selected
When drive == 1 slave is selected*/
PUBLIC void kernelHdIdentify(int drive)
{
struct hd_cmd cmd;
cmd.device = MAKE_DEVICE_REG(0, drive, 0);
cmd.command = ATA_IDENTIFY;
hd_cmd_out(&cmd);
hdIdentifyBlockEip = p_proc_running - proc_table;
kernelBlock();
port_read(REG_DATA, hdbuf, SECTOR_SIZE);
//analysis_identify_info((u16*)hdbuf);
}
/*
* <ring 1> get the disk information
*/
static void hd_identify(int drive)
{
struct hd_cmd cmd;
cmd.device = MAKE_DEVICE_REG(0, drive, 0);
cmd.command = ATA_INDENTIFY;
hd_cmd_out(&cmd);
interrupt_wait();
port_read(REG_DATA, hdbuf, SECTOR_SIZE);
print_identify_info((u16*)hdbuf);
u16 * hdinfo = (u16*)hdbuf;
hd_info[drive].primary[0].base = 0;
hd_info[drive].primary[0].size = ((int)hdinfo[61] << 16) + hdinfo[60];
}
/**
* <Ring 1> Get the disk information.
*
* @param drive Drive Nr.
*****************************************************************************/
PRIVATE void hd_identify(int drive)
{
struct hd_cmd cmd;
cmd.device = MAKE_DEVICE_REG(0, drive, 0);
cmd.command = ATA_IDENTIFY;
ERIC_DEBUG(",IdTB");
hd_cmd_out(&cmd);
interrupt_wait();
ERIC_DEBUG(",ReadData");
port_read(REG_DATA, hdbuf, SECTOR_SIZE);
print_identify_info((u16*)hdbuf);
u16* hdinfo = (u16*)hdbuf;
hd_info[drive].primary[0].base = 0;
/* Total Nr of User Addressable Sectors */
hd_info[drive].primary[0].size = ((int)hdinfo[61] << 16) + hdinfo[60];
}
PRIVATE void hd_identify(int drive) {
HD_CMD cmd;
cmd.device = MAKE_DEVICE_REG(0, drive, 0);
cmd.command = ATA_IDENTIFY; /* 向硬盘发送IDENTIFY指令 */
hd_cmd_out(&cmd);
interrupt_wait();
/* 中断结束 */
port_read(REG_DATA, hdbuf, SECTOR_SIZE);
/* print_identify_info((u16*)hdbuf); */
u16* hdinfo = (u16*)hdbuf;
hd_info[drive].primary[0].base = 0;
hd_info[drive].primary[0].size = ((int)hdinfo[61] << 16) + hdinfo[60];
}