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| /* SPDX-License-Identifier: GPL-2.0-only */
| .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
| EXPORT_SYMBOL(__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
| EXPORT_SYMBOL_GPL(real_hard_smp_processor_id)
|
|
