| Current Path : /sys/amd64/compile/hs32/modules/usr/src/sys/modules/mvs/@/ia64/ia64/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/mvs/@/ia64/ia64/physical.S |
/*- * Copyright (c) 2011 Marcel Moolenaar * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD: release/9.1.0/sys/ia64/ia64/physical.S 219841 2011-03-21 18:20:53Z marcel $ */ #include <machine/asm.h> #include <machine/ia64_cpu.h> .text /* * u_long ia64_efi_physical(ia64_efi_f, u_long, u_long, u_long, u_long) * * loc0 = ar.pfs * loc1 = rp * loc2 = psr * loc3 = sp * loc4 = bsp * loc5 = gp */ ENTRY(ia64_efi_physical, 5) .prologue .regstk 5,6,4,0 .save ar.pfs,loc0 alloc loc0=ar.pfs,5,6,4,0 ;; .save rp,loc1 mov loc1=rp ;; .body mov loc2=psr // save psr movl r16=IA64_PSR_I | IA64_PSR_IT | IA64_PSR_DT | \ IA64_PSR_RT | IA64_PSR_DFL | IA64_PSR_DFH ;; andcm r14=loc2,r16 movl r15=IA64_PSR_BN ;; rsm psr.i mov r17=ar.rsc or r16=r14,r15 // new psr ;; mov ar.rsc=0 or loc2=loc2,r15 ;; flushrs mov loc3=sp // save sp ;; mov loc4=ar.bsp // save ar.bsp mov r18=ar.rnat ;; tpa r19=loc4 // new bspstore mov loc5=gp ;; tpa r20=loc3 // new sp ld8 r21=[in0],8 ;; 1: mov r14=ip ;; ld8 r22=[in0] add r15=2f-1b,r14 ;; tpa r14=r15 ;; rsm psr.ic ;; srlz.i ;; mov cr.iip=r14 mov cr.ifs=r0 mov cr.ipsr=r16 ;; rfi 2: mov ar.bspstore=r19 mov sp=r20 ;; mov ar.rnat=r18 mov ar.rsc=r17 ;; mov b6=r21 mov gp=r22 mov out0=in1 mov out1=in2 mov out2=in3 mov out3=in4 ;; br.call.sptk.many rp=b6 mov gp=loc5 ;; rsm psr.i | psr.ic mov r16=ar.rsc ;; srlz.i mov ar.rsc=0 ;; flushrs ;; mov r17=ar.rnat movl r18=3f ;; mov cr.iip=r18 mov cr.ifs=r0 mov cr.ipsr=loc2 ;; rfi 3: mov ar.bspstore=loc4 mov sp=loc3 ;; mov ar.rnat=r17 mov ar.rsc=r16 ;; mov rp=loc1 mov ar.pfs=loc0 ;; br.ret.sptk.many rp END(ia64_efi_physical) /* * ia64_pal_ret ia64_pal_physical(ia64_fw_f, u_long, u_long, u_long, u_long) * * loc0 = ar.pfs * loc1 = rp * loc2 = psr * loc3 = sp * loc4 = bsp * loc5 = gp */ ENTRY(ia64_pal_physical, 5) .prologue .regstk 5,6,4,0 .save ar.pfs,loc0 alloc loc0=ar.pfs,5,6,4,0 ;; .save rp,loc1 mov loc1=rp ;; .body mov loc2=psr // save psr movl r16=IA64_PSR_I | IA64_PSR_IT | IA64_PSR_DT | \ IA64_PSR_RT | IA64_PSR_DFL | IA64_PSR_DFH ;; andcm r14=loc2,r16 movl r15=IA64_PSR_BN ;; rsm psr.i mov r17=ar.rsc or r16=r14,r15 // new psr ;; mov ar.rsc=0 or loc2=loc2,r15 ;; flushrs mov loc3=sp // save sp ;; mov loc4=ar.bsp // save ar.bsp mov r18=ar.rnat ;; mov loc5=gp movl r14=kstack ;; tpa r19=r14 // new bspstore movl r15=kstack_top ;; tpa r20=r15 // new sp movl r21=ia64_pal_entry ;; 1: mov r14=ip ld8 r22=[r21] ;; tpa r21=r22 add r15=2f-1b,r14 ;; tpa r14=r15 ;; rsm psr.ic ;; srlz.i ;; mov cr.iip=r14 mov cr.ifs=r0 mov cr.ipsr=r16 ;; rfi 2: mov ar.bspstore=r19 add sp=-16,r20 ;; mov ar.rnat=r18 mov ar.rsc=r17 ;; mov b6=r21 mov out0=in0 mov out1=in1 mov out2=in2 mov out3=in3 // PAL static calls mov r28=in0 mov r29=in1 mov r30=in2 mov r31=in3 br.call.sptk.many rp=b6 mov gp=loc5 ;; rsm psr.i | psr.ic mov r16=ar.rsc ;; srlz.i mov ar.rsc=0 ;; flushrs ;; mov r17=ar.rnat movl r18=3f ;; mov cr.iip=r18 mov cr.ifs=r0 mov cr.ipsr=loc2 ;; rfi 3: mov ar.bspstore=loc4 mov sp=loc3 ;; mov ar.rnat=r17 mov ar.rsc=r16 ;; mov rp=loc1 mov ar.pfs=loc0 ;; br.ret.sptk.many rp END(ia64_pal_physical)