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Define xcoreid offset, add warning in tcb struct wrt the need to also change that define when struct changes

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This commit is contained in:
Jeroen Domburg 2016-09-29 11:07:18 +08:00
parent b3309a03a3
commit 4daa768e3c
2 changed files with 7 additions and 2 deletions
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2
components/freertos/tasks.c
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@ -157,7 +157,7 @@ typedef struct tskTaskControlBlock
StackType_t *pxStack; /*< Points to the start of the stack. */
char pcTaskName[ configMAX_TASK_NAME_LEN ];/*< Descriptive name given to the task when created. Facilitates debugging only. */ /*lint !e971 Unqualified char types are allowed for strings and single characters only. */
BaseType_t xCoreID; /*< Core this task is pinned to */
/* If this moves around (other than pcTaskName size changes), please change the define in xtensa_vectors.S as well. */
#if ( portSTACK_GROWTH > 0 )
StackType_t *pxEndOfStack; /*< Points to the end of the stack on architectures where the stack grows up from low memory. */
#endif

7
components/freertos/xtensa_vectors.S
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@ -92,6 +92,11 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "xtensa_rtos.h"
/*
Define for workaround: pin no-cpu-affinity tasks to a cpu when fpu is used.
Please change this when the tcb structure is changed
*/
#define TASKTCB_XCOREID_OFFSET (0x3C+configMAX_TASK_NAME_LEN+3)&~3
.extern pxCurrentTCB
/* Enable stack backtrace across exception/interrupt - see below */
@ -902,7 +907,7 @@ _xt_coproc_exc:
slli a3, a3, 2
add a2, a2, a3
l32i a2, a2, 0 /* a2 = start of pxCurrentTCB[cpuid] */
addi a2, a2, (0x3C+configMAX_TASK_NAME_LEN+3)&~3 /* offset to xCoreID in tcb struct */
addi a2, a2, TASKTCB_XCOREID_OFFSET /* offset to xCoreID in tcb struct */
getcoreid a3
s32i a3, a2, 0 /* store current cpuid */