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- # MIPS simulator testsuite MDMX utility functions.
- # Copyright (C) 2004-2022 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 <http://www.gnu.org/licenses/>. */
- .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
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