Changeset 5626277 in mainline for arch/amd64/src/interrupt.c

Timestamp:

2006-04-29T22:12:40Z (19 years ago)

Author:

Ondrej Palkovsky <ondrap@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

51a7dc1

Parents:

407862e

Message:

Added support for IRQ notifiactions.

• seems to work correctly on ia32, amd64
• the mips kbd probably lowers interrupts when the char is read from the port, we will have to find a way how to deal with it.

File:

• arch/amd64/src/interrupt.c (modified) (2 diffs)

arch/amd64/src/interrupt.c

@@ -45 +45 @@
 #include <synch/spinlock.h>
 #include <arch/ddi/ddi.h>
+#include <interrupt.h>
+#include <ipc/sysipc.h>
 
 void print_info_errcode(int n, istate_t *istate)
@@ -154 +156 @@
 
 }
+
+static void ipc_int(int n, istate_t *istate)
+{
+        trap_virtual_eoi();
+        ipc_irq_send_notif(n-IVT_IRQBASE);
+}
+
+
+/* Reregister irq to be IPC-ready */
+void irq_ipc_bind_arch(__native irq)
+{
+        if (irq == IRQ_CLK)
+                return;
+        exc_register(IVT_IRQBASE+irq, "ipc_int", ipc_int);
+}