From 79d3090766a1cb87d0d619cd59efb5c3048d1c68 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Thu, 23 May 2024 15:03:45 -0400
Subject: kernel/amd64: isa: Add i8042 IRQ stat

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 sys/arch/amd64/isa/i8042.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'sys/arch/amd64/isa')

diff --git a/sys/arch/amd64/isa/i8042.c b/sys/arch/amd64/isa/i8042.c
index 41b74ef..8c790ec 100644
--- a/sys/arch/amd64/isa/i8042.c
+++ b/sys/arch/amd64/isa/i8042.c
@@ -33,6 +33,7 @@
 #include <sys/errno.h>
 #include <sys/spinlock.h>
 #include <sys/tty.h>
+#include <sys/intr.h>
 #include <machine/ioapic.h>
 #include <machine/idt.h>
 #include <machine/io.h>
@@ -49,6 +50,7 @@ static struct spinlock data_lock;
 static bool shift_key = false;
 static bool capslock = false;
 static bool capslock_released = true;
+static struct intr_info *irq_info;
 
 static int dev_send(bool aux, uint8_t data);
 
@@ -230,6 +232,10 @@ kb_isr(void *sf)
     uint8_t data;
     char c;
 
+    spinlock_acquire(&irq_info->lock);
+    ++irq_info->count;
+    spinlock_release(&irq_info->lock);
+
     spinlock_acquire(&data_lock);
     while (__TEST(inb(I8042_STATUS), I8042_OBUF_FULL)) {
         data = inb(I8042_DATA);
@@ -264,6 +270,11 @@ i8042_init(void)
     ioapic_set_vec(1, SYSVEC_PCKBD);
     ioapic_irq_unmask(1);
 
+    /* Register the interrupt */
+    irq_info = intr_info_alloc("IOAPIC", "i8042");
+    irq_info->affinity = 0;
+    intr_register(irq_info);
+
     /* Setup config bits */
     conf = i8042_read_conf();
     conf |= I8042_PORT0_INTR;
-- 
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