Re: [PATCH 1/4] sparc: Disable FPU in interrupt context

2015-05-29 Thread Sebastian Huber
- Gedare Bloom schrieb: > I am missing something. When an interrupt happens, it disables > floating point. Where does fp get re-enabled afterward? It gets enabled later when the original PSR is restored. -- Sebastian Huber, embedded brains GmbH Address : Dornierstr. 4, D-82178 Puchheim, G

Re: [PATCH 1/4] sparc: Disable FPU in interrupt context

2015-05-29 Thread Gedare Bloom
I am missing something. When an interrupt happens, it disables floating point. Where does fp get re-enabled afterward? On Fri, May 29, 2015 at 8:54 AM, Sebastian Huber wrote: > From: Alexander Krutwig > > Update #2270. > --- > c/src/lib/libbsp/sparc/shared/irq_asm.S | 30 ++

[PATCH 1/4] sparc: Disable FPU in interrupt context

2015-05-29 Thread Sebastian Huber
From: Alexander Krutwig Update #2270. --- c/src/lib/libbsp/sparc/shared/irq_asm.S | 30 ++ cpukit/score/cpu/sparc/cpu.c | 8 cpukit/score/cpu/sparc/rtems/score/cpu.h | 25 - 3 files changed, 62 insertions(+), 1 deletion(-