c4312511ba
paravirtualize gate.S. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Tony Luck <tony.luck@intel.com>
194 lines
4.5 KiB
C
194 lines
4.5 KiB
C
/******************************************************************************
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* arch/ia64/include/asm/native/inst.h
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*
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* Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
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* VA Linux Systems Japan K.K.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#define DO_SAVE_MIN IA64_NATIVE_DO_SAVE_MIN
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#define __paravirt_switch_to ia64_native_switch_to
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#define __paravirt_leave_syscall ia64_native_leave_syscall
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#define __paravirt_work_processed_syscall ia64_native_work_processed_syscall
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#define __paravirt_leave_kernel ia64_native_leave_kernel
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#define __paravirt_pending_syscall_end ia64_work_pending_syscall_end
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#define __paravirt_work_processed_syscall_target \
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ia64_work_processed_syscall
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#define paravirt_fsyscall_table ia64_native_fsyscall_table
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#define paravirt_fsys_bubble_down ia64_native_fsys_bubble_down
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#ifdef CONFIG_PARAVIRT_GUEST_ASM_CLOBBER_CHECK
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# define PARAVIRT_POISON 0xdeadbeefbaadf00d
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# define CLOBBER(clob) \
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;; \
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movl clob = PARAVIRT_POISON; \
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;;
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# define CLOBBER_PRED(pred_clob) \
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;; \
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cmp.eq pred_clob, p0 = r0, r0 \
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;;
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#else
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# define CLOBBER(clob) /* nothing */
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# define CLOBBER_PRED(pred_clob) /* nothing */
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#endif
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#define MOV_FROM_IFA(reg) \
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mov reg = cr.ifa
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#define MOV_FROM_ITIR(reg) \
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mov reg = cr.itir
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#define MOV_FROM_ISR(reg) \
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mov reg = cr.isr
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#define MOV_FROM_IHA(reg) \
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mov reg = cr.iha
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#define MOV_FROM_IPSR(pred, reg) \
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(pred) mov reg = cr.ipsr
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#define MOV_FROM_IIM(reg) \
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mov reg = cr.iim
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#define MOV_FROM_IIP(reg) \
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mov reg = cr.iip
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#define MOV_FROM_IVR(reg, clob) \
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mov reg = cr.ivr \
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CLOBBER(clob)
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#define MOV_FROM_PSR(pred, reg, clob) \
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(pred) mov reg = psr \
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CLOBBER(clob)
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#define MOV_FROM_ITC(pred, pred_clob, reg, clob) \
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(pred) mov reg = ar.itc \
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CLOBBER(clob) \
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CLOBBER_PRED(pred_clob)
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#define MOV_TO_IFA(reg, clob) \
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mov cr.ifa = reg \
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CLOBBER(clob)
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#define MOV_TO_ITIR(pred, reg, clob) \
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(pred) mov cr.itir = reg \
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CLOBBER(clob)
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#define MOV_TO_IHA(pred, reg, clob) \
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(pred) mov cr.iha = reg \
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CLOBBER(clob)
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#define MOV_TO_IPSR(pred, reg, clob) \
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(pred) mov cr.ipsr = reg \
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CLOBBER(clob)
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#define MOV_TO_IFS(pred, reg, clob) \
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(pred) mov cr.ifs = reg \
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CLOBBER(clob)
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#define MOV_TO_IIP(reg, clob) \
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mov cr.iip = reg \
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CLOBBER(clob)
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#define MOV_TO_KR(kr, reg, clob0, clob1) \
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mov IA64_KR(kr) = reg \
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CLOBBER(clob0) \
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CLOBBER(clob1)
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#define ITC_I(pred, reg, clob) \
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(pred) itc.i reg \
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CLOBBER(clob)
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#define ITC_D(pred, reg, clob) \
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(pred) itc.d reg \
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CLOBBER(clob)
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#define ITC_I_AND_D(pred_i, pred_d, reg, clob) \
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(pred_i) itc.i reg; \
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(pred_d) itc.d reg \
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CLOBBER(clob)
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#define THASH(pred, reg0, reg1, clob) \
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(pred) thash reg0 = reg1 \
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CLOBBER(clob)
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#define SSM_PSR_IC_AND_DEFAULT_BITS_AND_SRLZ_I(clob0, clob1) \
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ssm psr.ic | PSR_DEFAULT_BITS \
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CLOBBER(clob0) \
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CLOBBER(clob1) \
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;; \
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srlz.i /* guarantee that interruption collectin is on */ \
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;;
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#define SSM_PSR_IC_AND_SRLZ_D(clob0, clob1) \
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ssm psr.ic \
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CLOBBER(clob0) \
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CLOBBER(clob1) \
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;; \
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srlz.d
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#define RSM_PSR_IC(clob) \
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rsm psr.ic \
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CLOBBER(clob)
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#define SSM_PSR_I(pred, pred_clob, clob) \
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(pred) ssm psr.i \
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CLOBBER(clob) \
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CLOBBER_PRED(pred_clob)
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#define RSM_PSR_I(pred, clob0, clob1) \
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(pred) rsm psr.i \
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CLOBBER(clob0) \
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CLOBBER(clob1)
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#define RSM_PSR_I_IC(clob0, clob1, clob2) \
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rsm psr.i | psr.ic \
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CLOBBER(clob0) \
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CLOBBER(clob1) \
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CLOBBER(clob2)
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#define RSM_PSR_DT \
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rsm psr.dt
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#define RSM_PSR_BE_I(clob0, clob1) \
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rsm psr.be | psr.i \
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CLOBBER(clob0) \
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CLOBBER(clob1)
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#define SSM_PSR_DT_AND_SRLZ_I \
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ssm psr.dt \
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;; \
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srlz.i
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#define BSW_0(clob0, clob1, clob2) \
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bsw.0 \
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CLOBBER(clob0) \
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CLOBBER(clob1) \
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CLOBBER(clob2)
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#define BSW_1(clob0, clob1) \
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bsw.1 \
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CLOBBER(clob0) \
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CLOBBER(clob1)
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#define COVER \
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cover
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#define RFI \
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rfi
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