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-rw-r--r--target/cris/cpu.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/target/cris/cpu.h b/target/cris/cpu.h
index aba0a66474..a7c2a8e15b 100644
--- a/target/cris/cpu.h
+++ b/target/cris/cpu.h
@@ -34,6 +34,7 @@
 #define CPU_INTERRUPT_NMI       CPU_INTERRUPT_TGT_EXT_3
 
 /* CRUS CPU device objects interrupt lines.  */
+/* PIC passes the vector for the IRQ as the value of it sends over qemu_irq */
 #define CRIS_CPU_IRQ 0
 #define CRIS_CPU_NMI 1