diff options
Diffstat (limited to 'arch/sparc64/kernel/entry.S')
| -rw-r--r-- | arch/sparc64/kernel/entry.S | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S index 9f3048e64e8..6d0b3ed77a0 100644 --- a/arch/sparc64/kernel/entry.S +++ b/arch/sparc64/kernel/entry.S @@ -1795,3 +1795,31 @@ sun4v_cpu_yield: ta HV_FAST_TRAP retl nop + + /* %o0: num cpus in cpu list + * %o1: cpu list paddr + * %o2: mondo block paddr + * + * returns %o0: status + */ + .globl sun4v_cpu_mondo_send +sun4v_cpu_mondo_send: + mov HV_FAST_CPU_MONDO_SEND, %o5 + ta HV_FAST_TRAP + retl + nop + + /* %o0: CPU ID + * + * returns %o0: -status if status non-zero, else + * %o0: cpu state as HV_CPU_STATE_* + */ + .globl sun4v_cpu_state +sun4v_cpu_state: + mov HV_FAST_CPU_STATE, %o5 + ta HV_FAST_TRAP + brnz,pn %o0, 1f + sub %g0, %o0, %o0 + mov %o1, %o0 +1: retl + nop |