From 2c2101232adf2b134cf408f05f00a21dc5b8b0f3 Mon Sep 17 00:00:00 2001
From: Patrick Williams <iawillia@us.ibm.com>
Date: Wed, 7 Jul 2010 17:24:25 -0500
Subject: SMT support.

---
 src/include/kernel/cpu.H | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'src/include/kernel/cpu.H')

diff --git a/src/include/kernel/cpu.H b/src/include/kernel/cpu.H
index 2e5a489d9..81b43a57c 100644
--- a/src/include/kernel/cpu.H
+++ b/src/include/kernel/cpu.H
@@ -2,6 +2,10 @@
 #define __KERNEL_CPU_H
 
 #include <kernel/types.h>
+#include <kernel/ppcarch.H>
+
+// Thread ID support only, Power7 (4 threads).
+#define KERNEL_MAX_SUPPORTED_CPUS 4
 
 class Scheduler;
 
@@ -11,6 +15,13 @@ struct cpu_t
     cpuid_t cpu;
 
     Scheduler* scheduler;
+    task_t* idle_task;
 };
 
+__attribute__((always_inline))
+inline uint64_t getCpuId()
+{
+    return ppc_getPIR() & (KERNEL_MAX_SUPPORTED_CPUS - 1);
+}
+
 #endif
-- 
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