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 | 7 |
1 files changed, 7 insertions, 0 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 0d8ab62452..9e77146e11 100644 --- a/c/src/lib/libbsp/powerpc/shared/irq/irq_asm.S +++ b/c/src/lib/libbsp/powerpc/shared/irq/irq_asm.S @@ -85,8 +85,15 @@ SYM (shared_raw_irq_code_entry): stw r2, SRR1_FRAME_OFFSET(r1) /* * Enable data and instruction address translation, exception recovery + * + * also, on CPUs with FP, enable FP so that FP context can be + * saved and restored (using FP instructions) */ +#if (PPC_HAS_FPU == 0) ori r3, r3, MSR_RI | MSR_IR | MSR_DR +#else + ori r3, r3, MSR_RI | MSR_IR | MSR_DR | MSR_FP +#endif mtmsr r3 SYNC /* |