Subversion Repositories openrisc_me

# MIPS simulator testsuite MDMX utility functions.

# Copyright (C) 2004, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.

# Contributed by Chris Demetriou of Broadcom Corporation.

#

# This file is part of the GNU simulators.

#

# 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 3 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, see .  */

        .include "utils-fpu.inc"

        ###

        ### Shared macros

        ###

        # Enable MDMX: enable the FPU w/ FR=1, then set Status.MX

        .macro  enable_mdmx

        enable_fpu 1

        mfc0    $20, $12

        or      $20, $20, (1 << 24)

        mtc0    $20, $12

        .endm

        ###

        ### .OB-format macros

        ###

        .macro ld_ob r, v

        .data

1:      .dword  \v

        .previous

        ldc1    \r, 1b

        .endm

        .macro ck_ob r, v

        .data

1:      .dword  \v

        .previous

        dmfc1   $20, \r

        ld      $21, 1b

        bne     $20, $21, _fail

         nop

        .endm

        .macro ld_acc_ob h, m, l

        ld_ob   $f20, \m

        ld_ob   $f21, \l

        wacl.ob $f20, $f21

        ld_ob   $f20, \h

        wach.ob $f20

        .endm

        .macro ck_acc_ob h, m, l

        rach.ob $f20

        ck_ob   $f20, \h

        racm.ob $f20

        ck_ob   $f20, \m

        racl.ob $f20

        ck_ob   $f20, \l

        .endm