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Merge branch 'bugfix/cpu1_isr_stack_location' into 'master'

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Fix finding location of ISR stack space for CPU1

Up to now, the CPU1 interrupts erroneously used the area *after* the ISR stack region, leading to bugs in BT Classic. This fixes that.

See merge request !618
This commit is contained in:
Ivan Grokhotkov 2017-03-29 12:05:31 +08:00
commit 39c376f0c3
1 changed files with 2 additions and 2 deletions
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components/freertos/portasm.S
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@ -132,8 +132,8 @@ _frxt_int_enter:
l32i a2, a2, 0 /* a2 = current TCB */ l32i a2, a2, 0 /* a2 = current TCB */
beqz a2, 1f beqz a2, 1f
s32i a1, a2, TOPOFSTACK_OFFS /* pxCurrentTCB->pxTopOfStack = SP */ s32i a1, a2, TOPOFSTACK_OFFS /* pxCurrentTCB->pxTopOfStack = SP */
movi a1, port_IntStackTop /* a1 = top of intr stack */ movi a1, port_IntStack+configISR_STACK_SIZE /* a1 = top of intr stack for CPU 0 */
movi a2, configISR_STACK_SIZE movi a2, configISR_STACK_SIZE /* add configISR_STACK_SIZE * cpu_num to arrive at top of stack for cpu_num */
mull a2, a4, a2 mull a2, a4, a2
add a1, a1, a2 /* for current proc */ add a1, a1, a2 /* for current proc */