Changeset 58775d30 in mainline for kernel/arch/sparc64/src/smp/sun4u/ipi.c

Timestamp:

2015-03-16T16:07:21Z (10 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

2003739

Parents:

6069061 (diff), 795e2bf (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:

Mainline changes

File:

• kernel/arch/sparc64/src/smp/sun4u/ipi.c (modified) (3 diffs)

kernel/arch/sparc64/src/smp/sun4u/ipi.c

@@ -34 +34 @@
 
 #include <smp/ipi.h>
+#include <arch/smp/sun4u/ipi.h>
 #include <cpu.h>
 #include <arch.h>
@@ -40 +41 @@
 #include <config.h>
 #include <mm/tlb.h>
+#include <smp/smp_call.h>
 #include <arch/interrupt.h>
 #include <arch/trap/interrupt.h>
@@ -171 +173 @@
 }
 
+
+/*
+ * Deliver an IPI to the specified processors (except the current one).
+ *
+ * Interrupts must be disabled.
+ *
+ * @param cpu_id Destination cpu id (index into cpus array). Must not 
+ *               be the current cpu.
+ * @param ipi    IPI number.
+ */
+void ipi_unicast_arch(unsigned int cpu_id, int ipi)
+{
+        ASSERT(&cpus[cpu_id] != CPU);
+        
+        if (ipi == IPI_SMP_CALL) {
+                cross_call(cpus[cpu_id].arch.mid, smp_call_ipi_recv);
+        } else {
+                panic("Unknown IPI (%d).\n", ipi);
+                return;
+        }
+}
+
 /** @}
  */