1 files changed, 71 insertions, 0 deletions
diff --git a/sys/arm/qemu/virt_mp.c b/sys/arm/qemu/virt_mp.c
new file mode 100644
index 000000000000..a3471b1eb764
--- /dev/null
+++ b/sys/arm/qemu/virt_mp.c
@@ -0,0 +1,71 @@
+/*-
+ * Copyright (c) 2015 Andrew Turner
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/bus.h>
+#include <sys/pcpu.h>
+#include <sys/smp.h>
+
+#include <vm/vm.h>
+#include <vm/pmap.h>
+
+#include <machine/intr.h>
+#include <machine/platformvar.h>
+#include <machine/smp.h>
+
+#include <dev/ofw/openfirm.h>
+#include <dev/ofw/ofw_cpu.h>
+#include <dev/psci/psci.h>
+
+#include <arm/qemu/virt_mp.h>
+
+static int running_cpus;
+
+static bool
+virt_start_ap(u_int id, phandle_t node, u_int addr_cells, pcell_t *reg)
+{
+	int err;
+
+	if (running_cpus >= mp_ncpus)
+		return (false);
+	running_cpus++;
+
+	err = psci_cpu_on(*reg, pmap_kextract((vm_offset_t)mpentry), id);
+
+	if (err != PSCI_RETVAL_SUCCESS)
+		return (false);
+
+	return (true);
+}
+
+void
+virt_mp_start_ap(platform_t plat)
+{
+
+	ofw_cpu_early_foreach(virt_start_ap, true);
+}