diff options
Diffstat (limited to 'arch/sparc64/kernel/helpers.S')
-rw-r--r-- | arch/sparc64/kernel/helpers.S | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/arch/sparc64/kernel/helpers.S b/arch/sparc64/kernel/helpers.S deleted file mode 100644 index 314dd0c9fc5..00000000000 --- a/arch/sparc64/kernel/helpers.S +++ /dev/null @@ -1,63 +0,0 @@ - .align 32 - .globl __flushw_user - .type __flushw_user,#function -__flushw_user: - rdpr %otherwin, %g1 - brz,pn %g1, 2f - clr %g2 -1: save %sp, -128, %sp - rdpr %otherwin, %g1 - brnz,pt %g1, 1b - add %g2, 1, %g2 -1: sub %g2, 1, %g2 - brnz,pt %g2, 1b - restore %g0, %g0, %g0 -2: retl - nop - .size __flushw_user,.-__flushw_user - - /* Flush %fp and %i7 to the stack for all register - * windows active inside of the cpu. This allows - * show_stack_trace() to avoid using an expensive - * 'flushw'. - */ - .globl stack_trace_flush - .type stack_trace_flush,#function -stack_trace_flush: - rdpr %pstate, %o0 - wrpr %o0, PSTATE_IE, %pstate - - rdpr %cwp, %g1 - rdpr %canrestore, %g2 - sub %g1, 1, %g3 - -1: brz,pn %g2, 2f - sub %g2, 1, %g2 - wrpr %g3, %cwp - stx %fp, [%sp + STACK_BIAS + RW_V9_I6] - stx %i7, [%sp + STACK_BIAS + RW_V9_I7] - ba,pt %xcc, 1b - sub %g3, 1, %g3 - -2: wrpr %g1, %cwp - wrpr %o0, %pstate - - retl - nop - .size stack_trace_flush,.-stack_trace_flush - -#ifdef CONFIG_SMP - .globl hard_smp_processor_id - .type hard_smp_processor_id,#function -hard_smp_processor_id: -#endif - .globl real_hard_smp_processor_id - .type real_hard_smp_processor_id,#function -real_hard_smp_processor_id: - __GET_CPUID(%o0) - retl - nop -#ifdef CONFIG_SMP - .size hard_smp_processor_id,.-hard_smp_processor_id -#endif - .size real_hard_smp_processor_id,.-real_hard_smp_processor_id |