X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Fsh%2Fkernel%2Fsmp.c;h=9cb3734dbd49d3f24aeba3e09b5f7c87afb68f5f;hb=6f52707e6882eb3bc6920c3f59beb05d23d68354;hp=60c50841143e26103b02a41c04d7ff863055663e;hpb=84c3d4aaec3338201b449034beac41635866bddf;p=linux-2.6-omap-h63xx.git

diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
index 60c50841143..9cb3734dbd4 100644
--- a/arch/sh/kernel/smp.c
+++ b/arch/sh/kernel/smp.c
@@ -3,7 +3,7 @@
  *
  * SMP support for the SuperH processors.
  *
- * Copyright (C) 2002 - 2007 Paul Mundt
+ * Copyright (C) 2002 - 2008 Paul Mundt
  * Copyright (C) 2006 - 2007 Akio Idehara
  *
  * This file is subject to the terms and conditions of the GNU General Public
@@ -184,6 +184,42 @@ void arch_send_call_function_single_ipi(int cpu)
 	plat_send_ipi(cpu, SMP_MSG_FUNCTION_SINGLE);
 }
 
+void smp_timer_broadcast(cpumask_t mask)
+{
+	int cpu;
+
+	for_each_cpu_mask(cpu, mask)
+		plat_send_ipi(cpu, SMP_MSG_TIMER);
+}
+
+static void ipi_timer(void)
+{
+	irq_enter();
+	/* XXX ... */
+	irq_exit();
+}
+
+void smp_message_recv(unsigned int msg)
+{
+	switch (msg) {
+	case SMP_MSG_FUNCTION:
+		generic_smp_call_function_interrupt();
+		break;
+	case SMP_MSG_RESCHEDULE:
+		break;
+	case SMP_MSG_FUNCTION_SINGLE:
+		generic_smp_call_function_single_interrupt();
+		break;
+	case SMP_MSG_TIMER:
+		ipi_timer();
+		break;
+	default:
+		printk(KERN_WARNING "SMP %d: %s(): unknown IPI %d\n",
+		       smp_processor_id(), __func__, msg);
+		break;
+	}
+}
+
 /* Not really SMP stuff ... */
 int setup_profiling_timer(unsigned int multiplier)
 {