no1wudi commented on a change in pull request #5308:
URL: https://github.com/apache/incubator-nuttx/pull/5308#discussion_r789777546
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File path: arch/risc-v/src/common/riscv_exception.c
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@@ -74,10 +72,9 @@ static const char *g_reasons_str[MCAUSE_MAX_EXCEPTION + 1] =
void riscv_exception(uintptr_t mcause, uintptr_t *regs)
{
- uintptr_t cause = mcause & MCAUSE_INTERRUPT_MASK;
+ uint32_t cause = (uint32_t)mcause & RISCV_IRQ_MASK;
Review comment:
mcause is always 32 bit on rv32 and rv64, so it's safe to do this cast
and the _aleart below use the PRIx32 to format it.
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