Changeset 04cb68f2 in mainline for kernel/generic/src/ddi/ddi.c

Timestamp:

2010-10-20T19:30:54Z (14 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

78a9e5ef

Parents:

e0e568ff (diff), a6e54c5d (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge from lp:~helenos-dd/helenos/dd.

File:

• kernel/generic/src/ddi/ddi.c (modified) (1 diff)

kernel/generic/src/ddi/ddi.c

@@ -258 +258 @@
 }
 
+/** Disable or enable specified interrupts.
+ * 
+ * @param irq the interrupt to be enabled/disabled.
+ * @param enable if true enable the interrupt, disable otherwise.
+ * 
+ * @retutn Zero on success, error code otherwise.
+ */
+unative_t sys_interrupt_enable(int irq, int enable)
+{       
+        cap_t task_cap = cap_get(TASK);
+        if (!(task_cap & CAP_IRQ_REG))
+                return EPERM;
+                
+        if (irq < 0 || irq > 16) {
+                return EINVAL;
+        }
+        
+        uint16_t irq_mask = (uint16_t)(1 << irq);
+        if (enable) {
+                trap_virtual_enable_irqs(irq_mask);
+        } else {
+                trap_virtual_disable_irqs(irq_mask);
+        }
+        
+        return 0;       
+}
+
 /** @}
  */