[libcpu][risc-v] Fix PLIC interrupt processing order

FurryAcetylCoA · FurryAcetylCoA · commit c97b2eb03b36 · 2026-03-31T20:02:59.000+08:00
diff --git a/libcpu/risc-v/virt64/plic.c b/libcpu/risc-v/virt64/plic.c
@@ -151,6 +151,6 @@ extern struct rt_irq_desc irq_desc[MAX_HANDLERS];
 void plic_handle_irq(void)
 {
     int plic_irq = plic_claim();
-    plic_complete(plic_irq);
     irq_desc[plic_irq].handler(plic_irq, irq_desc[plic_irq].param);
+    plic_complete(plic_irq);
 }

Original file line number	Diff line number	Diff line change
`@@ -151,6 +151,6 @@ extern struct rt_irq_desc irq_desc[MAX_HANDLERS];`
`151`	`151`	`void plic_handle_irq(void)`
`152`	`152`	`{`
`153`	`153`	`int plic_irq = plic_claim();`
`154`		`- plic_complete(plic_irq);`
`155`	`154`	`irq_desc[plic_irq].handler(plic_irq, irq_desc[plic_irq].param);`
	`155`	`+ plic_complete(plic_irq);`
`156`	`156`	`}`