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-rw-r--r--src/sys/include/arch/amd64/ioapic.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/sys/include/arch/amd64/ioapic.h b/src/sys/include/arch/amd64/ioapic.h
index 20b8058..c0d935e 100644
--- a/src/sys/include/arch/amd64/ioapic.h
+++ b/src/sys/include/arch/amd64/ioapic.h
@@ -49,6 +49,13 @@ void ioapic_init(void);
void ioapic_gsi_mask(uint8_t gsi, uint8_t mask);
/*
+ * Convert an ISA IRQ number into a global system
+ * interrupt, returnes a less than zero value on
+ * failure.
+ */
+int ioapic_get_gsi(uint8_t irq);
+
+/*
* Route an IRQ number to a system interrupt vector
* via the internal redirection table
*