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authorPatrick Williams <iawillia@us.ibm.com>2012-07-16 21:37:56 -0500
committerA. Patrick Williams III <iawillia@us.ibm.com>2012-07-18 14:06:41 -0500
commit6f6561babb56d891e88dbcd07646c23af2563ddd (patch)
tree2a1d669781a0a02870cb2bbbb91b3b81d4aea16b /src/include/sys
parentdd8219097772fe68a6eb66ff20ef4f6ffb4e469f (diff)
downloadtalos-hostboot-6f6561babb56d891e88dbcd07646c23af2563ddd.tar.gz
talos-hostboot-6f6561babb56d891e88dbcd07646c23af2563ddd.zip
cpu_spr_value syscall for SLW image build.
Task 44887 Change-Id: If87b6e80b974bb4cbff13844d8a3f055a17282d2 Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/1378 Tested-by: Jenkins Server Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com> Reviewed-by: Douglas R. Gilbert <dgilbert@us.ibm.com> Reviewed-by: Mark W. Wenning <wenning@us.ibm.com> Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
Diffstat (limited to 'src/include/sys')
-rw-r--r--src/include/sys/misc.h67
1 files changed, 44 insertions, 23 deletions
diff --git a/src/include/sys/misc.h b/src/include/sys/misc.h
index 90ff57964..e1f8e42a7 100644
--- a/src/include/sys/misc.h
+++ b/src/include/sys/misc.h
@@ -1,25 +1,26 @@
-// IBM_PROLOG_BEGIN_TAG
-// This is an automatically generated prolog.
-//
-// $Source: src/include/sys/misc.h $
-//
-// IBM CONFIDENTIAL
-//
-// COPYRIGHT International Business Machines Corp. 2011
-//
-// p1
-//
-// Object Code Only (OCO) source materials
-// Licensed Internal Code Source Materials
-// IBM HostBoot Licensed Internal Code
-//
-// The source code for this program is not published or other-
-// wise divested of its trade secrets, irrespective of what has
-// been deposited with the U.S. Copyright Office.
-//
-// Origin: 30
-//
-// IBM_PROLOG_END
+/* IBM_PROLOG_BEGIN_TAG
+ * This is an automatically generated prolog.
+ *
+ * $Source: src/include/sys/misc.h $
+ *
+ * IBM CONFIDENTIAL
+ *
+ * COPYRIGHT International Business Machines Corp. 2011-2012
+ *
+ * p1
+ *
+ * Object Code Only (OCO) source materials
+ * Licensed Internal Code Source Materials
+ * IBM HostBoot Licensed Internal Code
+ *
+ * The source code for this program is not published or other-
+ * wise divested of its trade secrets, irrespective of what has
+ * been deposited with the U.S. Copyright Office.
+ *
+ * Origin: 30
+ *
+ * IBM_PROLOG_END_TAG
+ */
#ifndef __SYS_MISC_H
#define __SYS_MISC_H
@@ -40,7 +41,6 @@ enum ShutdownStatus
SHUTDOWN_STATUS_INITSVC_FAILED = 0x01230004,
};
-
#ifdef __cplusplus
extern "C"
{
@@ -112,6 +112,27 @@ size_t cpu_thread_count();
*/
int cpu_start_core(uint64_t pir);
+/**
+ * @enum CpuSprNames
+ *
+ * Names for SPR registers for cpu_spr_value().
+ */
+enum CpuSprNames
+{
+ CPU_SPR_MSR,
+ CPU_SPR_LPCR,
+ CPU_SPR_HRMOR,
+};
+
+/** @fn cpu_spr_value
+ * @brief Reads the kernel-desired value for an SPR.
+ *
+ * This is used, for instance, in building a sleep-winkle image.
+ *
+ * @return The desired value of the SPR register.
+ */
+uint64_t cpu_spr_value(CpuSprNames spr);
+
#ifdef __cplusplus
}
#endif
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