Module: xenomai-head
Branch: master
Commit: 7fc5741c14a795f0d627f33581bcec3dbe481d22
URL:
http://git.xenomai.org/?p=xenomai-head.git;a=commit;h=7fc5741c14a795f0d627f33581bcec3dbe481d22
Author: Philippe Gerum <r...@xenomai.org>
Date: Thu Jul 16 20:05:33 2009 +0200
powerpc: flip FE0/FE1 when saving/restoring the FPU in RT mode
---
include/asm-powerpc/bits/pod.h | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/include/asm-powerpc/bits/pod.h b/include/asm-powerpc/bits/pod.h
index 4d43ae5..085e355 100644
--- a/include/asm-powerpc/bits/pod.h
+++ b/include/asm-powerpc/bits/pod.h
@@ -215,8 +215,9 @@ static inline void xnarch_save_fpu(xnarchtcb_t * tcb)
if (tcb->fpup) {
rthal_save_fpu(tcb->fpup);
- if (tcb->user_fpu_owner && tcb->user_fpu_owner->thread.regs)
- tcb->user_fpu_owner->thread.regs->msr &= ~MSR_FP;
+ if (tcb->user_fpu_owner &&
+ tcb->user_fpu_owner->thread.regs)
+ tcb->user_fpu_owner->thread.regs->msr &=
~(MSR_FP|MSR_FE0|MSR_FE1);
}
#endif /* CONFIG_XENO_HW_FPU */
}
@@ -233,7 +234,7 @@ static inline void xnarch_restore_fpu(xnarchtcb_t * tcb)
*/
if (tcb->user_fpu_owner &&
tcb->user_fpu_owner->thread.regs)
- tcb->user_fpu_owner->thread.regs->msr |= MSR_FP;
+ tcb->user_fpu_owner->thread.regs->msr |=
(MSR_FP|MSR_FE0|MSR_FE1);
}
/* FIXME: We restore FPU "as it was" when Xenomai preempted Linux,
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