C++ (Cpp) CP15_IsMMUEnabled Examples

Example #1

File: cp15.c Project: Meteroi/mboot

//------------------------------------------------------------------------------
/// Enable Data cache
//------------------------------------------------------------------------------
void CP15_EnableDcache(void)
{
    U32 control;

    control = CP15_ReadControl();

    if( !CP15_IsMMUEnabled() ) {
        DEBUG_MSG("Do nothing: MMU not enabled");
    }
    else {
        // Check if cache is disabled
        if ((control & (1 << CP15_C_BIT)) == 0) {

            control |= (1 << CP15_C_BIT);
            CP15_WriteControl(control);        
            DEBUG_MSG("D cache enabled.");
        }
        else {
            DEBUG_MSG("D cache is already enabled.");
        }
    }
}

Example #2

File: cp15.c Project: running1919/qianlab

//------------------------------------------------------------------------------
/// Enable Data cache
//------------------------------------------------------------------------------
void CP15_EnableDcache(void)
{
    unsigned int control;

    control = CP15_ReadControl();

    if( !CP15_IsMMUEnabled() ) {
        TRACE_ERROR("Do nothing: MMU not enabled\n\r");
    }
    else {
        // Check if cache is disabled
        if ((control & (1 << CP15_C_BIT)) == 0) {

            control |= (1 << CP15_C_BIT);
            CP15_WriteControl(control);        
            TRACE_INFO("D cache enabled.\n\r");
        }
        else {

            TRACE_INFO("D cache is already enabled.\n\r");
        }
    }
}