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| author | Dean Sanner <dsanner@us.ibm.com> | 2014-07-17 07:52:24 -0500 |
|---|---|---|
| committer | A. Patrick Williams III <iawillia@us.ibm.com> | 2014-07-22 13:59:18 -0500 |
| commit | 31615f402551eaa9d77b94d2c79ed5110e825e85 (patch) | |
| tree | afe745ef8b864d484531e0f1d00c51da8b954baf /src/kernel | |
| parent | 4f25725547a88037201b86487a1415f4dcdce13e (diff) | |
| download | blackbird-hostboot-31615f402551eaa9d77b94d2c79ed5110e825e85.tar.gz blackbird-hostboot-31615f402551eaa9d77b94d2c79ed5110e825e85.zip | |
Populate actual PVR value instead of architected version
Change-Id: I5d19166fe949394fae536f5165ce6138be7f820b
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/12277
Tested-by: Jenkins Server
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
Diffstat (limited to 'src/kernel')
| -rw-r--r-- | src/kernel/start.S | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/src/kernel/start.S b/src/kernel/start.S index 008270b94..6474a2ced 100644 --- a/src/kernel/start.S +++ b/src/kernel/start.S @@ -5,7 +5,9 @@ # # OpenPOWER HostBoot Project # -# COPYRIGHT International Business Machines Corp. 2010,2014 +# Contributors Listed Below - COPYRIGHT 2010,2014 +# [+] International Business Machines Corp. +# # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -702,6 +704,7 @@ intvect_system_reset_external: ;// 0x801 = HMER write (r4 -> HMER). ;// 0x802 = SCRATCH read (r4 -> SPRC, SPRD -> r3). ;// 0x803 = SCRATCH write (r4 -> SPRC, r5 -> SPRD). + ;// 0x804 = PVR read (PVR -> r3). system_call_fast_path: ;// Check if this is HMER read (0x800). ;// Compare was already done in system call path. @@ -765,9 +768,15 @@ system_call_fast_path: isync mtspr SPRD, r5 b 1f ;// Jump to exit point. - ;// Invalid system call, loop for debug. + ;// Check if this is PVR read (0x804). 5: - b 5b + cmpi cr0, r3, 0x804 + bne cr0, 6f + mfspr r3, PVR + b 1f ;// Jump to exit point. + ;// Invalid system call, loop for debug. +6: + b 6b 1: rfid ;// Return from interrupt. |
