| // Licensed to the Apache Software Foundation (ASF) under one or more |
| // contributor license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright ownership. |
| // The ASF licenses this file to You under the Apache License, Version 2.0 |
| // (the "License"); you may not use this file except in compliance with |
| // the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| |
| /** |
| * @author Intel, Evgueni Brevnov |
| */ |
| // Assembly code needed to access low-level IPF features. |
| // |
| |
| |
| .section .text |
| .proc flush_cache_line# |
| .global flush_cache_line# |
| .align 32 |
| flush_cache_line: |
| |
| fc r32 ;; |
| br.ret.sptk.many b0 ;; |
| |
| .endp flush_cache_line# |
| |
| |
| |
| |
| .section .text |
| .proc sync_i_cache# |
| .global sync_i_cache# |
| .align 32 |
| sync_i_cache: |
| |
| sync.i ;; |
| srlz.i ;; |
| br.ret.sptk.many b0 ;; |
| |
| .endp sync_i_cache# |
| |
| |
| |
| |
| .section .text |
| .proc do_flushrs_asm# |
| .global do_flushrs_asm# |
| .align 32 |
| do_flushrs_asm: |
| |
| flushrs ;; |
| mov r8 = ar.bsp |
| //mov r8 = sp |
| br.ret.sptk.many b0 ;; |
| |
| .endp do_flushrs_asm# |
| |
| |
| |
| |
| .section .text |
| .proc get_rnat_and_bsp# |
| .global get_rnat_and_bsp# |
| .align 32 |
| get_rnat_and_bsp: |
| alloc r14=ar.pfs, 1, 0, 0, 0 |
| mov r15 = ar.rsc;; |
| dep r16 = r0, r15, 0, 2;; |
| mov ar.rsc = r16 |
| flushrs;; |
| mov r17 = ar.rnat |
| mov r18 = ar.bsp;; |
| mov ar.rsc = r15 |
| st8 [r32] = r17, 8;; |
| st8 [r32] = r18, 8 |
| br.ret.sptk.many b0 |
| |
| .endp get_rnat_and_bsp# |
| |
| |
| .section .text |
| .proc do_mf_asm# |
| .global do_mf_asm# |
| .align 32 |
| do_mf_asm: |
| |
| mf ;; |
| br.ret.sptk.many b0 ;; |
| |
| .endp do_mf_asm# |
| |
| |
| |
| |
| .section .text |
| .proc do_loadrs_asm# |
| .global do_loadrs_asm# |
| .align 32 |
| do_loadrs_asm: |
| |
| mov r14 = ar.rsc ;; |
| dep r15 = r32, r14, 16, 14 ;; |
| dep r15 = 0, r15, 0, 2 ;; |
| |
| mov ar.rsc = r15 ;; |
| |
| flushrs ;; |
| |
| loadrs ;; |
| |
| mov ar.rsc = r14 ;; |
| |
| br.ret.sptk.many b0 ;; |
| |
| .endp do_loadrs_asm# |
| |
| |
| |
| .section .text |
| .proc get_rnat_and_bspstore# |
| .global get_rnat_and_bspstore# |
| .align 32 |
| get_rnat_and_bspstore: |
| alloc r14=ar.pfs, 1, 0, 0, 0 |
| mov r15 = ar.rsc;; |
| dep r16 = r0, r15, 0, 2;; |
| mov ar.rsc = r16 |
| flushrs;; |
| mov r17 = ar.rnat;; |
| mov r18 = ar.bspstore;; |
| mov ar.rsc = r15 |
| st8 [r32] = r17, 8;; |
| st8 [r32] = r18, 8 |
| br.ret.sptk.many b0 |
| |
| .endp get_rnat_and_bspstore# |
| |
| |
| |
