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| author | Patrick Williams <iawillia@us.ibm.com> | 2012-07-16 21:47:53 -0500 |
|---|---|---|
| committer | A. Patrick Williams III <iawillia@us.ibm.com> | 2012-07-18 14:08:32 -0500 |
| commit | 49c2bbaf5fb75d534a2f08ef0a4e9fafcf847ebe (patch) | |
| tree | c4bc27fb09541f3228c90bcb98a326245fd9ae2d | |
| parent | 6f6561babb56d891e88dbcd07646c23af2563ddd (diff) | |
| download | blackbird-hostboot-49c2bbaf5fb75d534a2f08ef0a4e9fafcf847ebe.tar.gz blackbird-hostboot-49c2bbaf5fb75d534a2f08ef0a4e9fafcf847ebe.zip | |
Stub function for master winkle.
Task 45250
Change-Id: Icb27948fa68a58cf9ec79816c5ac76afc5b74e2a
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/1379
Tested-by: Jenkins Server
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>
| -rw-r--r-- | src/include/sys/misc.h | 12 | ||||
| -rw-r--r-- | src/lib/syscall_misc.C | 5 |
2 files changed, 17 insertions, 0 deletions
diff --git a/src/include/sys/misc.h b/src/include/sys/misc.h index e1f8e42a7..1ffd8e6a7 100644 --- a/src/include/sys/misc.h +++ b/src/include/sys/misc.h @@ -133,6 +133,18 @@ enum CpuSprNames */ uint64_t cpu_spr_value(CpuSprNames spr); +/** @fn cpu_master_winkle + * @brief Winkle the master core so runtime SLW image can be applied. + * + * This requires that the master core is the only one executing instructions. + * Will execute the winkle instruction on all running threads and return when + * an IPI is receieved on the master thread of the core. + * + * @retval 0 - Success + * @retval -EDEADLK - Cores other than the master are already running. + */ +int cpu_master_winkle(); + #ifdef __cplusplus } #endif diff --git a/src/lib/syscall_misc.C b/src/lib/syscall_misc.C index af58021a7..7b23ef22b 100644 --- a/src/lib/syscall_misc.C +++ b/src/lib/syscall_misc.C @@ -83,3 +83,8 @@ uint64_t cpu_spr_value(CpuSprNames spr) _syscall1(MISC_CPUSPRVALUE, reinterpret_cast<void*>(spr))); } +int cpu_master_winkle() +{ + return 0; +} + |
