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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2015-06-02 21:43:54 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2015-06-09 09:05:50 +0200 |
| commit | 335e5caa9a9e0f28acf94fe4c2871017fcd71794 (patch) | |
| tree | 13eb37c82f52e2a0e6199eb03aad6590eeabc566 /cpukit/score/cpu/mips | |
| parent | sptests/spcontext01: Improve output (diff) | |
| download | rtems-335e5caa9a9e0f28acf94fe4c2871017fcd71794.tar.bz2 | |
score: Add Thread_Control::is_fp
Store the floating-point unit property in the thread control block
regardless of the CPU_HARDWARE_FP and CPU_SOFTWARE_FP settings. Make
sure the floating-point unit is only enabled for the corresponding
multilibs. This helps targets which have a volatile only floating point
context like SPARC for example.
Diffstat (limited to 'cpukit/score/cpu/mips')
| -rw-r--r-- | cpukit/score/cpu/mips/cpu.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/cpukit/score/cpu/mips/cpu.c b/cpukit/score/cpu/mips/cpu.c index fffee5e8d7..cb6c664f7a 100644 --- a/cpukit/score/cpu/mips/cpu.c +++ b/cpukit/score/cpu/mips/cpu.c @@ -179,6 +179,7 @@ void _CPU_Context_Initialize( { uintptr_t stack_tmp; __MIPS_REGISTER_TYPE intlvl = new_level & 0xff; + __MIPS_REGISTER_TYPE c0_sr; stack_tmp = (uintptr_t)stack_base; stack_tmp += ((size) - CPU_STACK_ALIGNMENT); @@ -187,11 +188,18 @@ void _CPU_Context_Initialize( the_context->sp = (__MIPS_REGISTER_TYPE) stack_tmp; the_context->fp = (__MIPS_REGISTER_TYPE) stack_tmp; the_context->ra = (__MIPS_REGISTER_TYPE) (uintptr_t)entry_point; - the_context->c0_sr = + + c0_sr = ((intlvl==0)? (mips_interrupt_mask() | 0x300 | _INTON): ( ((intlvl<<9) & mips_interrupt_mask()) | 0x300 | ((intlvl & 1)?_INTON:0)) ) | - SR_CU0 | ((is_fp)?SR_CU1:0) | _EXTRABITS; + SR_CU0 | _EXTRABITS; +#if MIPS_HAS_FPU == 1 + if ( is_fp ) { + c0_sr |= SR_CU1; + } +#endif + the_context->c0_sr = c0_sr; } /* * _CPU_Internal_threads_Idle_thread_body |