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Update flop.c and FreeRTOS.h to include a macro (and a default null implementation of the macro) that enables the flop tasks to register their need for a floating point context with the kernel.

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Richard Barry 2013-05-09 09:52:34 +00:00
parent b4efc0439f
commit e08966c7e8
2 changed files with 24 additions and 0 deletions
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20
FreeRTOS/Demo/Common/Minimal/flop.c
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@ -132,6 +132,11 @@ volatile unsigned short *pusTaskCheckVariable;
volatile portDOUBLE dAnswer; volatile portDOUBLE dAnswer;
short sError = pdFALSE; short sError = pdFALSE;
/* Some ports require that tasks that use a hardware floating point unit
tell the kernel that they require a floating point context before any
floating point instructions are executed. */
portTASK_USES_FLOATING_POINT();
d1 = 123.4567; d1 = 123.4567;
d2 = 2345.6789; d2 = 2345.6789;
d3 = -918.222; d3 = -918.222;
@ -184,6 +189,11 @@ volatile unsigned short *pusTaskCheckVariable;
volatile portDOUBLE dAnswer; volatile portDOUBLE dAnswer;
short sError = pdFALSE; short sError = pdFALSE;
/* Some ports require that tasks that use a hardware floating point unit
tell the kernel that they require a floating point context before any
floating point instructions are executed. */
portTASK_USES_FLOATING_POINT();
d1 = -389.38; d1 = -389.38;
d2 = 32498.2; d2 = 32498.2;
d3 = -2.0001; d3 = -2.0001;
@ -238,6 +248,11 @@ const size_t xArraySize = 10;
size_t xPosition; size_t xPosition;
short sError = pdFALSE; short sError = pdFALSE;
/* Some ports require that tasks that use a hardware floating point unit
tell the kernel that they require a floating point context before any
floating point instructions are executed. */
portTASK_USES_FLOATING_POINT();
/* The variable this task increments to show it is still running is passed in /* The variable this task increments to show it is still running is passed in
as the parameter. */ as the parameter. */
pusTaskCheckVariable = ( unsigned short * ) pvParameters; pusTaskCheckVariable = ( unsigned short * ) pvParameters;
@ -295,6 +310,11 @@ const size_t xArraySize = 10;
size_t xPosition; size_t xPosition;
short sError = pdFALSE; short sError = pdFALSE;
/* Some ports require that tasks that use a hardware floating point unit
tell the kernel that they require a floating point context before any
floating point instructions are executed. */
portTASK_USES_FLOATING_POINT();
/* The variable this task increments to show it is still running is passed in /* The variable this task increments to show it is still running is passed in
as the parameter. */ as the parameter. */
pusTaskCheckVariable = ( unsigned short * ) pvParameters; pusTaskCheckVariable = ( unsigned short * ) pvParameters;

4
FreeRTOS/Source/include/FreeRTOS.h
View file

@ -568,6 +568,10 @@ typedef portBASE_TYPE (*pdTASK_HOOK_CODE)( void * );
#define configUSE_QUEUE_SETS 0 #define configUSE_QUEUE_SETS 0
#endif #endif
#ifndef portTASK_USES_FLOATING_POINT
#define portTASK_USES_FLOATING_POINT()
#endif
/* For backward compatability. */ /* For backward compatability. */
#define eTaskStateGet eTaskGetState #define eTaskStateGet eTaskGetState