71 lines
1.5 KiB
PHP
71 lines
1.5 KiB
PHP
# MIPS simulator testsuite MDMX utility functions.
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# Copyright (C) 2004-2022 Free Software Foundation, Inc.
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# Contributed by Chris Demetriou of Broadcom Corporation.
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#
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# This file is part of the GNU simulators.
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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 3 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, see <http://www.gnu.org/licenses/>. */
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.include "utils-fpu.inc"
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###
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### Shared macros
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###
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# Enable MDMX: enable the FPU w/ FR=1, then set Status.MX
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.macro enable_mdmx
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enable_fpu 1
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mfc0 $20, $12
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or $20, $20, (1 << 24)
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mtc0 $20, $12
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.endm
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###
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### .OB-format macros
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###
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.macro ld_ob r, v
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.data
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1: .dword \v
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.previous
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ldc1 \r, 1b
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.endm
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.macro ck_ob r, v
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.data
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1: .dword \v
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.previous
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dmfc1 $20, \r
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ld $21, 1b
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bne $20, $21, _fail
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nop
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.endm
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.macro ld_acc_ob h, m, l
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ld_ob $f20, \m
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ld_ob $f21, \l
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wacl.ob $f20, $f21
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ld_ob $f20, \h
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wach.ob $f20
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.endm
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.macro ck_acc_ob h, m, l
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rach.ob $f20
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ck_ob $f20, \h
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racm.ob $f20
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ck_ob $f20, \m
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racl.ob $f20
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ck_ob $f20, \l
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.endm
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