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| author | Patrick Williams <iawillia@us.ibm.com> | 2012-07-16 21:37:56 -0500 |
|---|---|---|
| committer | A. Patrick Williams III <iawillia@us.ibm.com> | 2012-07-18 14:06:41 -0500 |
| commit | 6f6561babb56d891e88dbcd07646c23af2563ddd (patch) | |
| tree | 2a1d669781a0a02870cb2bbbb91b3b81d4aea16b /src/kernel/start.S | |
| parent | dd8219097772fe68a6eb66ff20ef4f6ffb4e469f (diff) | |
| download | talos-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/kernel/start.S')
| -rw-r--r-- | src/kernel/start.S | 57 |
1 files changed, 35 insertions, 22 deletions
diff --git a/src/kernel/start.S b/src/kernel/start.S index a8166b980..2e4cd1784 100644 --- a/src/kernel/start.S +++ b/src/kernel/start.S @@ -1,25 +1,26 @@ -// IBM_PROLOG_BEGIN_TAG -// This is an automatically generated prolog. -// -// $Source: src/kernel/start.S $ -// -// IBM CONFIDENTIAL -// -// COPYRIGHT International Business Machines Corp. 2010 - 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/kernel/start.S $ + * + * IBM CONFIDENTIAL + * + * COPYRIGHT International Business Machines Corp. 2010-2012 + * + * 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 + */ .include "kernel/ppcconsts.S" .section .text.intvects @@ -29,6 +30,18 @@ _start: ;// Set thread priority high. or 3,3,3 + ;// Clear MSR[TA] (bit 63). + mfmsr r2 + rldicl r2,r2,1,1 + rotldi r2,r2,63 + ;// Set up SRR0 / SRR1 to enable new MSR. + mtsrr1 r2 + li r2, _start_postmsr@l + mtsrr0 r2 + rfid + +_start_postmsr: + ;// Determine if this is the first thread. li r4, 2 ;// Read spinlock value. |
