partitio.c

ST5518机顶盒系统文件系统源代码！绝对超值！

/******************************************************************************

    File Name   : partitio.c

    Description : Unit test for the partition API calls.

******************************************************************************/

/* Includes ---------------------------------------------------------------- */

#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <string.h>

#include "wrapper.h"
#include "stavfs.h"
#include "hal.h"


/* Private Types ----------------------------------------------------------- */

/* Private Constants ------------------------------------------------------- */

/* Private Variables ------------------------------------------------------- */

/* Private Macros ---------------------------------------------------------- */

/* Private Function Prototypes --------------------------------------------- */

static TestResult_t EmptyPartitionTable (int TestNo, TestVariant_t Variant);

static ST_ErrorCode_t STAVFS_ClearDisk (ST_DeviceName_t EVTName, ST_DeviceName_t ATAPIName,
                                        U16 UnitNumber, U16 Protocol);


/* Functions --------------------------------------------------------------- */


/******************************************************************************
Function Name : Partition
  Description : Partition test section function.
   Parameters :
******************************************************************************/
BOOL Partition (parse_t * pars_p, char *result_sym_p)
{
    char *Description = "Unit Test for Development Support";

    TestCall_t TestList[] = {
	EmptyPartitionTable,    /* Test 001 */
    };

    GenericTest (pars_p, result_sym_p,
                 Description,
                 TestList, TABLE_LEN(TestList)-1,
                 TEST_VARIANT_A);

    return (FALSE);
}




/******************************************************************************
Function Name : EmptyPartitionTable
  Description : Creates an empty partition table.
   Parameters :
******************************************************************************/
static TestResult_t EmptyPartitionTable (int TestNo, TestVariant_t Variant)
{
    TestResult_t Result = TEST_PASSED;
    ST_DeviceName_t EVTName;
    ST_DeviceName_t ATAPIName;
    U16 UnitNumber = 0;
    U16 Protocol   = 1;
 
    strcpy (EVTName, EVT_DEVICE_NAME);
    strcpy (ATAPIName, ATAPI_DEVICE_NAME);

    /* scramble the first few sectors */
    if (ST_NO_ERROR != STAVFS_ClearDisk (EVTName, ATAPIName, UnitNumber, Protocol))
    {
        STTBX_Print(("Could not clear the fist few sectors\n"));
	Result = TEST_FAILED;
    }



    if (ST_NO_ERROR != STAVFS_CreateEmptyPartitionTable (EVTName, ATAPIName, UnitNumber, Protocol))
    {
        STTBX_Print(("Could not create an empty partition table\n"));
	Result = TEST_FAILED;
    }

    return (Result);
}


/*******************************************************************
Function Name : ClearDisk
  Description : Sets the first few sectors of the disk to FF so that
                the formating can be tested properly.
   Parameters : 
*******************************************************************/
static ST_ErrorCode_t STAVFS_ClearDisk (ST_DeviceName_t EVTName, ST_DeviceName_t ATAPIName, U16 UnitNumber, U16 Protocol)
{
    ST_ErrorCode_t Error = ST_NO_ERROR;
    stavfs_HAL_t Obj;

    Obj.Initialised = FALSE;
    Obj.Protocol = Protocol;
    Obj.UnitNumber = UnitNumber;

    strcpy (Obj.EVTName, EVTName);
    strcpy (Obj.ATAPIName, ATAPIName);

    if (ST_NO_ERROR != (Error = stavfs_HalInit (&Obj)))
    {
        STTBX_Print (("Error when opening a HAL device\n"));
    }
    else
    {
        char Buffer[DISK_SECTOR_SIZE];
        U64 LBA64;
        int i;

        I64_SetValue (0, 0, LBA64);


        /* Set buffer to FF */
        for (i = 0; i < DISK_SECTOR_SIZE; i++)
        {
            Buffer[i] = 0xFF;
        }

        /* Write the table back to the disk */
        if (ST_NO_ERROR != (Error = stavfs_HalWrite (&Obj, &LBA64, 1, Buffer, FALSE)))
        {
            STTBX_Print (("Unable to write to the partition table\n"));
            Error = STAVFS_ERROR_UNWRITABLE_DISK;
        }

        I64_SetValue (1, 0, LBA64);
        if (ST_NO_ERROR != (Error = stavfs_HalWrite (&Obj, &LBA64, 1, Buffer, FALSE)))
        {
            STTBX_Print (("Unable to write to the partition table\n"));
            Error = STAVFS_ERROR_UNWRITABLE_DISK;
        }

        if (ST_NO_ERROR != (Error = stavfs_HalTerm (&Obj)))
        {
            STTBX_Print (("Failed to closed HAL device\n"));
        }

    }

    return (Error);
}