diff options
Diffstat (limited to 'core')
| -rw-r--r-- | core/nds32/init.S | 11 | ||||
| -rw-r--r-- | core/nds32/task.c | 4 |
2 files changed, 11 insertions, 4 deletions
diff --git a/core/nds32/init.S b/core/nds32/init.S index 28dd1a5ca1..d278d4a899 100644 --- a/core/nds32/init.S +++ b/core/nds32/init.S @@ -192,6 +192,17 @@ excep_handler: la $r0, saved_regs + 4 smw.bim $r1, [$r0], $r10, 0 smw.bim $r15,[$r0], $r15, 0xF +#ifdef CONFIG_FPU + /* + * We have to restore ALU so that we can continue the next + * sequence if arithmetic instructions are used. + * (Apply to floating point division by zero) + */ + sethi $r4, 0x80 + ori $r4, $r4,0x9 + mtsr $r4, $dlmb + dsb +#endif /* put a sane stack pointer */ la $sp, stack_end /* add IPC, IPSW to the context */ diff --git a/core/nds32/task.c b/core/nds32/task.c index 88bd731051..9310223989 100644 --- a/core/nds32/task.c +++ b/core/nds32/task.c @@ -134,11 +134,7 @@ uint8_t task_stacks[0 #undef TASK /* Reserve space to discard context on first context switch. */ -#ifdef CONFIG_FPU -uint32_t scratchpad[19+18]; -#else uint32_t scratchpad[19]; -#endif task_ *current_task = (task_ *)scratchpad; |