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| author | Patrick Williams <iawillia@us.ibm.com> | 2012-01-10 18:10:40 -0600 |
|---|---|---|
| committer | A. Patrick Williams III <iawillia@us.ibm.com> | 2012-02-07 15:46:33 -0600 |
| commit | e457b5df08897236374bd8851d8169188e9dc1f8 (patch) | |
| tree | a9c7392ea093ace963796340eb7da3074b743444 /src/kernel/start.S | |
| parent | 859335d953a59c25de64a414c344d0a22d0911cb (diff) | |
| download | talos-hostboot-e457b5df08897236374bd8851d8169188e9dc1f8.tar.gz talos-hostboot-e457b5df08897236374bd8851d8169188e9dc1f8.zip | |
GCOV support
Change-Id: I73a446754cd03178055459eb75c7b2f87b51b0f3
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/635
Tested-by: Jenkins Server
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
Diffstat (limited to 'src/kernel/start.S')
| -rw-r--r-- | src/kernel/start.S | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/kernel/start.S b/src/kernel/start.S index bcb770a58..1deaf46f1 100644 --- a/src/kernel/start.S +++ b/src/kernel/start.S @@ -614,6 +614,17 @@ userspace_task_entry: ld r2, 8(r4) bctr + ;// @fn task_end_stub + ;// Stub to call a TASK_END syscall in the event that a task 'returns' from + ;// its entry point. We cannot call task_end() directly because profiling + ;// inserts garbage code into the task_end C function. +.global task_end_stub +task_end_stub: + li r3, 2 ;// TASK_END -> r3 (syscall number) + li r4, 0 ;// NULL -> r4 (status value) + sc + + STD_INTERRUPT_NOADDR(hype_emu_assist) .section .data |
