diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/shared/irq/irq_asm.S')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/shared/irq/irq_asm.S | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/c/src/lib/libbsp/powerpc/shared/irq/irq_asm.S b/c/src/lib/libbsp/powerpc/shared/irq/irq_asm.S index be3f92c1f5..4836c2a659 100644 --- a/c/src/lib/libbsp/powerpc/shared/irq/irq_asm.S +++ b/c/src/lib/libbsp/powerpc/shared/irq/irq_asm.S @@ -299,27 +299,6 @@ nested: rfi switch: -#if ( PPC_HAS_FPU != 0 ) -#if ! defined( CPU_USE_DEFERRED_FP_SWITCH ) -#error missing include file??? -#endif - mfmsr r4 -#if ( CPU_USE_DEFERRED_FP_SWITCH == TRUE ) - /* if the executing thread has FP enabled propagate - * this now so _Thread_Dispatch can save/restore the FPREGS - * NOTE: it is *crucial* to disable the FPU across the - * user ISR [independent of using the 'deferred' - * strategy or not]. We don't save FP regs across - * the user ISR and hence we prefer an exception to - * be raised rather than experiencing corruption. - */ - lwz r3, SRR1_FRAME_OFFSET(r1) - rlwimi r4, r3, 0, 18, 18 /* MSR_FP */ -#else - ori r4, r4, MSR_FP -#endif - mtmsr r4 -#endif bl SYM (_Thread_Dispatch) easy_exit: |