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Ensure emulated flop is not used.

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This commit is contained in:
Richard Barry 2008-05-20 05:20:25 +00:00
parent dd1ef6a777
commit bea704342a
2 changed files with 48 additions and 47 deletions
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15
Demo/PPC405_FPU_Xilinx_Virtex4_GCC/RTOSDemo/flop/flop-reg-test.c
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@ -109,7 +109,7 @@ static void vFlopTest2( void *pvParameters );
/* Buffers into which the flop registers will be saved. There is a buffer for
both tasks. */
static unsigned portLONG ulFlopRegisters[ flopNUMBER_OF_TASKS ][ portNO_FLOP_REGISTERS_TO_SAVE ] = { 0 };
static volatile unsigned portLONG ulFlopRegisters[ flopNUMBER_OF_TASKS ][ portNO_FLOP_REGISTERS_TO_SAVE ] = { 0 };
/* Variables that are incremented by the tasks to indicate that they are still
running. */
@ -163,7 +163,7 @@ static void vFlopTest1( void *pvParameters )
back the next time the task runs. Being preempted during this memset
could cause the test to fail, hence the critical section. */
portENTER_CRITICAL();
memset( ulFlopRegisters[ 0 ], 0x00, ( portNO_FLOP_REGISTERS_TO_SAVE * sizeof( unsigned portBASE_TYPE ) ) );
memset( ( void * ) ulFlopRegisters[ 0 ], 0x00, ( portNO_FLOP_REGISTERS_TO_SAVE * sizeof( unsigned portBASE_TYPE ) ) );
portEXIT_CRITICAL();
/* We don't have to do anything other than indicate that we are
@ -182,7 +182,7 @@ static void vFlopTest2( void *pvParameters )
registers. Clear the buffer to ensure the same values then get written
back the next time the task runs. */
portENTER_CRITICAL();
memset( ulFlopRegisters[ 1 ], 0x00, ( portNO_FLOP_REGISTERS_TO_SAVE * sizeof( unsigned portBASE_TYPE ) ) );
memset( ( void * ) ulFlopRegisters[ 1 ], 0x00, ( portNO_FLOP_REGISTERS_TO_SAVE * sizeof( unsigned portBASE_TYPE ) ) );
portEXIT_CRITICAL();
/* We don't have to do anything other than indicate that we are
@ -197,6 +197,7 @@ portBASE_TYPE xAreFlopRegisterTestsStillRunning( void )
{
portBASE_TYPE xReturn = pdPASS;
unsigned portBASE_TYPE x, y, z = flopSTART_VALUE;
static unsigned portLONG ulLastFlop1CycleCount = 0, ulLastFlop2CycleCount = 0;
/* Called from the 'check' task.
@ -219,17 +220,17 @@ unsigned portBASE_TYPE x, y, z = flopSTART_VALUE;
/* Check both tasks have actually been swapped in and out since this function
last executed. */
if( ulFlop1CycleCount == 0 )
if( ulFlop1CycleCount == ulLastFlop1CycleCount )
{
xReturn = pdFAIL;
}
if( ulFlop2CycleCount == 0 )
if( ulFlop2CycleCount == ulLastFlop2CycleCount )
{
xReturn = pdFAIL;
}
ulFlop1CycleCount = 0;
ulFlop2CycleCount = 0;
ulLastFlop1CycleCount = ulFlop1CycleCount;
ulLastFlop2CycleCount = ulFlop2CycleCount;
}