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Add exception vectors & low-level handlers

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At the moment these are almost bit-for-bit copies of the vector
behaviour in the RTOS SDK, but hopefully that will start to change.

Progress towards #2
This commit is contained in:
Angus Gratton 2015-07-28 11:01:57 +10:00
parent d4a503f320
commit ed7ba52c9a
5 changed files with 261 additions and 38 deletions
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2
FreeRTOS/Source/portable/esp8266/port.c
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@ -109,7 +109,7 @@ portSTACK_TYPE *pxPortInitialiseStack( portSTACK_TYPE *pxTopOfStack, pdTASK_CODE
SET_STKREG( XT_STK_A0, 0 ); /* to terminate GDB backtrace */
SET_STKREG( XT_STK_A1, (uint32_t)sp + XT_STK_FRMSZ ); /* physical top of stack frame */
SET_STKREG( XT_STK_A2, pvParameters ); /* parameters */
SET_STKREG( XT_STK_EXIT, sdk__xt_user_exit ); /* user exception exit dispatcher */
SET_STKREG( XT_STK_EXIT, _xt_user_exit ); /* user exception exit dispatcher */
/* Set initial PS to int level 0, EXCM disabled ('rfe' will enable), user mode. */
SET_STKREG( XT_STK_PS, PS_UM | PS_EXCM );