pkarashchenko commented on code in PR #6003:
URL: https://github.com/apache/incubator-nuttx/pull/6003#discussion_r844984967
##########
arch/risc-v/src/esp32c3/esp32c3_irq.c:
##########
@@ -355,7 +355,7 @@ void esp32c3_free_cpuint(uint8_t periphid)
IRAM_ATTR uintptr_t *esp32c3_dispatch_irq(uintptr_t mcause, uintptr_t *regs)
{
int irq;
- uintptr_t *mepc = regs;
+ uint8_t cpuint = mcause & RISCV_IRQ_MASK;
Review Comment:
Yes. And using `uintptr_t` + `DEBUGASSERT(cpuint <= ESP32C3_CPUINT_MAX);`
seems to provide better catching mechanism than `uint8_t` because upper bits
will not cutoff
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