From dc8448fd8be4768ef9d5f9b8cbcf28db0a2029be Mon Sep 17 00:00:00 2001
From: Stefan Reinauer <reinauer@chromium.org>
Date: Fri, 30 Mar 2012 13:52:58 -0700
Subject: Add a helper function to determine the number of enabled CPUs

Change-Id: Ia72926002571e0f250849fa5db048bd8b2e92400
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: http://review.coreboot.org/821
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
---
 src/devices/device_util.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'src/devices/device_util.c')

diff --git a/src/devices/device_util.c b/src/devices/device_util.c
index 526490a8c1..5225938e19 100644
--- a/src/devices/device_util.c
+++ b/src/devices/device_util.c
@@ -850,3 +850,21 @@ u32 find_pci_tolm(struct bus *bus)
 
 	return tolm;
 }
+
+/* Count of enabled CPUs */
+int dev_count_cpu(void)
+{
+	device_t cpu;
+	int count = 0;
+
+	for (cpu = all_devices; cpu; cpu = cpu->next) {
+		if ((cpu->path.type != DEVICE_PATH_APIC) ||
+		    (cpu->bus->dev->path.type != DEVICE_PATH_APIC_CLUSTER))
+			continue;
+		if (!cpu->enabled)
+			continue;
+		count++;
+	}
+
+	return count;
+}
-- 
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