no1wudi commented on a change in pull request #5192:
URL: https://github.com/apache/incubator-nuttx/pull/5192#discussion_r780743635
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File path: arch/risc-v/src/fe310/fe310_irq_dispatch.c
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@@ -72,7 +72,7 @@ void *fe310_dispatch_irq(uint32_t vector, uint32_t *regs)
if (FE310_IRQ_ECALLM == irq)
{
- *mepc += 2;
+ *mepc += 4;
Review comment:
I find that ecall instruction is on 4 byte align address now, so we must
update the epc adjustment.
I'll find a better way for it.
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