inst.h

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/******************************************************************************
 * arch/ia64/include/asm/native/inst.h
 *
 * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
 *                    VA Linux Systems Japan K.K.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#define DO_SAVE_MIN     IA64_NATIVE_DO_SAVE_MIN

#define __paravirt_switch_to            ia64_native_switch_to
#define __paravirt_leave_syscall        ia64_native_leave_syscall
#define __paravirt_work_processed_syscall   ia64_native_work_processed_syscall
#define __paravirt_leave_kernel         ia64_native_leave_kernel
#define __paravirt_pending_syscall_end      ia64_work_pending_syscall_end
#define __paravirt_work_processed_syscall_target \
                        ia64_work_processed_syscall

#define paravirt_fsyscall_table         ia64_native_fsyscall_table
#define paravirt_fsys_bubble_down       ia64_native_fsys_bubble_down

#ifdef CONFIG_PARAVIRT_GUEST_ASM_CLOBBER_CHECK
# define PARAVIRT_POISON    0xdeadbeefbaadf00d
# define CLOBBER(clob)              \
    ;;                  \
    movl clob = PARAVIRT_POISON;        \
    ;;
# define CLOBBER_PRED(pred_clob)        \
    ;;                  \
    cmp.eq pred_clob, p0 = r0, r0       \
    ;;
#else
# define CLOBBER(clob)          /* nothing */
# define CLOBBER_PRED(pred_clob)    /* nothing */
#endif

#define MOV_FROM_IFA(reg)   \
    mov reg = cr.ifa

#define MOV_FROM_ITIR(reg)  \
    mov reg = cr.itir

#define MOV_FROM_ISR(reg)   \
    mov reg = cr.isr

#define MOV_FROM_IHA(reg)   \
    mov reg = cr.iha

#define MOV_FROM_IPSR(pred, reg)    \
(pred)  mov reg = cr.ipsr

#define MOV_FROM_IIM(reg)   \
    mov reg = cr.iim

#define MOV_FROM_IIP(reg)   \
    mov reg = cr.iip

#define MOV_FROM_IVR(reg, clob) \
    mov reg = cr.ivr    \
    CLOBBER(clob)

#define MOV_FROM_PSR(pred, reg, clob)   \
(pred)  mov reg = psr           \
    CLOBBER(clob)

#define MOV_FROM_ITC(pred, pred_clob, reg, clob)    \
(pred)  mov reg = ar.itc                \
    CLOBBER(clob)                   \
    CLOBBER_PRED(pred_clob)

#define MOV_TO_IFA(reg, clob)   \
    mov cr.ifa = reg    \
    CLOBBER(clob)

#define MOV_TO_ITIR(pred, reg, clob)    \
(pred)  mov cr.itir = reg       \
    CLOBBER(clob)

#define MOV_TO_IHA(pred, reg, clob) \
(pred)  mov cr.iha = reg        \
    CLOBBER(clob)

#define MOV_TO_IPSR(pred, reg, clob)        \
(pred)  mov cr.ipsr = reg           \
    CLOBBER(clob)

#define MOV_TO_IFS(pred, reg, clob) \
(pred)  mov cr.ifs = reg        \
    CLOBBER(clob)

#define MOV_TO_IIP(reg, clob)   \
    mov cr.iip = reg    \
    CLOBBER(clob)

#define MOV_TO_KR(kr, reg, clob0, clob1)    \
    mov IA64_KR(kr) = reg           \
    CLOBBER(clob0)              \
    CLOBBER(clob1)

#define ITC_I(pred, reg, clob)  \
(pred)  itc.i reg       \
    CLOBBER(clob)

#define ITC_D(pred, reg, clob)  \
(pred)  itc.d reg       \
    CLOBBER(clob)

#define ITC_I_AND_D(pred_i, pred_d, reg, clob)  \
(pred_i) itc.i reg;             \
(pred_d) itc.d reg              \
    CLOBBER(clob)

#define THASH(pred, reg0, reg1, clob)       \
(pred)  thash reg0 = reg1           \
    CLOBBER(clob)

#define SSM_PSR_IC_AND_DEFAULT_BITS_AND_SRLZ_I(clob0, clob1)        \
    ssm psr.ic | PSR_DEFAULT_BITS                   \
    CLOBBER(clob0)                          \
    CLOBBER(clob1)                          \
    ;;                              \
    srlz.i /* guarantee that interruption collectin is on */    \
    ;;

#define SSM_PSR_IC_AND_SRLZ_D(clob0, clob1) \
    ssm psr.ic              \
    CLOBBER(clob0)              \
    CLOBBER(clob1)              \
    ;;                  \
    srlz.d

#define RSM_PSR_IC(clob)    \
    rsm psr.ic      \
    CLOBBER(clob)

#define SSM_PSR_I(pred, pred_clob, clob)    \
(pred)  ssm psr.i               \
    CLOBBER(clob)               \
    CLOBBER_PRED(pred_clob)

#define RSM_PSR_I(pred, clob0, clob1)   \
(pred)  rsm psr.i           \
    CLOBBER(clob0)          \
    CLOBBER(clob1)

#define RSM_PSR_I_IC(clob0, clob1, clob2)   \
    rsm psr.i | psr.ic          \
    CLOBBER(clob0)              \
    CLOBBER(clob1)              \
    CLOBBER(clob2)

#define RSM_PSR_DT      \
    rsm psr.dt

#define RSM_PSR_BE_I(clob0, clob1)  \
    rsm psr.be | psr.i      \
    CLOBBER(clob0)          \
    CLOBBER(clob1)

#define SSM_PSR_DT_AND_SRLZ_I   \
    ssm psr.dt      \
    ;;          \
    srlz.i

#define BSW_0(clob0, clob1, clob2)  \
    bsw.0               \
    CLOBBER(clob0)          \
    CLOBBER(clob1)          \
    CLOBBER(clob2)

#define BSW_1(clob0, clob1) \
    bsw.1           \
    CLOBBER(clob0)      \
    CLOBBER(clob1)

#define COVER   \
    cover

#define RFI \
    rfi