diff options
Diffstat (limited to 'arch/sparc64/mm')
| -rw-r--r-- | arch/sparc64/mm/ultra.S | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/sparc64/mm/ultra.S b/arch/sparc64/mm/ultra.S index 90cc898ff..e954b24c8 100644 --- a/arch/sparc64/mm/ultra.S +++ b/arch/sparc64/mm/ultra.S @@ -432,4 +432,24 @@ xcall_flush_cache_all: nop flush %g6 retry + + .globl xcall_call_function +xcall_call_function: + mov TLB_TAG_ACCESS, %g5 ! wheee... + stxa %g1, [%g5] ASI_IMMU ! save call_data here for a bit + membar #Sync + rdpr %pstate, %g2 + wrpr %g2, PSTATE_IG | PSTATE_AG, %pstate + mov TLB_TAG_ACCESS, %g2 + ldxa [%g2] ASI_IMMU, %g5 + rdpr %pil, %g2 + wrpr %g0, 15, %pil + sethi %hi(109f), %g7 + b,pt %xcc, etrap_irq +109: or %g7, %lo(109b), %g7 + call smp_call_function_client + mov %l5, %o0 + b,pt %xcc, rtrap + clr %l6 + #endif /* CONFIG_SMP */ |