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author | Daniel Hellstrom <daniel@gaisler.com> | 2013-11-30 09:28:28 -0600 |
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committer | Joel Sherrill <joel.sherrill@oarcorp.com> | 2013-11-30 09:28:28 -0600 |
commit | 2d3eb2334928e3e075b5ab6a38a9ab7de03fc73f (patch) | |
tree | d1255184920a01cf0a7cbd226221aa780211c00b | |
parent | psxtmtests: Added in new psxtmbarrier04 test, release, preempt (diff) | |
download | rtems-2d3eb2334928e3e075b5ab6a38a9ab7de03fc73f.tar.bz2 |
sparc/shared/irq_asm.S: Get pointer to self per-CPU control
_CPU_Context_switch_to_first_task_smp() branches to
done_flushing which requires o3 to be initalized with
"self per-CPU control", this adds initialization of
o3. This problem only affects SMP, see commit
f8ad6c6f7f8b591e were usage of o3 was intruduced.
-rw-r--r-- | c/src/lib/libbsp/sparc/shared/irq_asm.S | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/sparc/shared/irq_asm.S b/c/src/lib/libbsp/sparc/shared/irq_asm.S index ce276cd06a..d67ed6c383 100644 --- a/c/src/lib/libbsp/sparc/shared/irq_asm.S +++ b/c/src/lib/libbsp/sparc/shared/irq_asm.S @@ -265,6 +265,7 @@ SYM(_CPU_Context_switch_to_first_task_smp): and %g1, SPARC_NUMBER_OF_REGISTER_WINDOWS - 1, %g3 nop mov %o0, %o1 ! in the delay slot + GET_SELF_CPU_CONTROL %o3, %o4 ba,a done_flushing #endif |