dsp.isa (4661:44458219add1) dsp.isa (5222:bb733a878f85)
1// -*- mode:c++ -*-
2
1// -*- mode:c++ -*-
2
3// Copyright (c) 2006 The Regents of The University of Michigan
4// All rights reserved.
5//
6// Redistribution and use in source and binary forms, with or without
7// modification, are permitted provided that the following conditions are
8// met: redistributions of source code must retain the above copyright
9// notice, this list of conditions and the following disclaimer;
10// redistributions in binary form must reproduce the above copyright
11// notice, this list of conditions and the following disclaimer in the
12// documentation and/or other materials provided with the distribution;
13// neither the name of the copyright holders nor the names of its
14// contributors may be used to endorse or promote products derived from
15// this software without specific prior written permission.
16//
17// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28//
29// Authors: Korey Sewell
3// Copyright N) 2007 MIPS Technologies, Inc. All Rights Reserved
30
4
5// This software is part of the M5 simulator.
6
7// THIS IS A LEGAL AGREEMENT. BY DOWNLOADING, USING, COPYING, CREATING
8// DERIVATIVE WORKS, AND/OR DISTRIBUTING THIS SOFTWARE YOU ARE AGREEING
9// TO THESE TERMS AND CONDITIONS.
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11// Permission is granted to use, copy, create derivative works and
12// distribute this software and such derivative works for any purpose,
13// so long as (1) the copyright notice above, this grant of permission,
14// and the disclaimer below appear in all copies and derivative works
15// made, (2) the copyright notice above is augmented as appropriate to
16// reflect the addition of any new copyrightable work in a derivative
17// work (e.g., Copyright N) <Publication Year> Copyright Owner), and (3)
18// the name of MIPS Technologies, Inc. ($(B!H(BMIPS$(B!I(B) is not used in any
19// advertising or publicity pertaining to the use or distribution of
20// this software without specific, written prior authorization.
21
22// THIS SOFTWARE IS PROVIDED $(B!H(BAS IS.$(B!I(B MIPS MAKES NO WARRANTIES AND
23// DISCLAIMS ALL WARRANTIES, WHETHER EXPRESS, STATUTORY, IMPLIED OR
24// OTHERWISE, INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND
26// NON-INFRINGEMENT OF THIRD PARTY RIGHTS, REGARDING THIS SOFTWARE.
27// IN NO EVENT SHALL MIPS BE LIABLE FOR ANY DAMAGES, INCLUDING DIRECT,
28// INDIRECT, INCIDENTAL, CONSEQUENTIAL, SPECIAL, OR PUNITIVE DAMAGES OF
29// ANY KIND OR NATURE, ARISING OUT OF OR IN CONNECTION WITH THIS AGREEMENT,
30// THIS SOFTWARE AND/OR THE USE OF THIS SOFTWARE, WHETHER SUCH LIABILITY
31// IS ASSERTED ON THE BASIS OF CONTRACT, TORT (INCLUDING NEGLIGENCE OR
32// STRICT LIABILITY), OR OTHERWISE, EVEN IF MIPS HAS BEEN WARNED OF THE
33// POSSIBILITY OF ANY SUCH LOSS OR DAMAGE IN ADVANCE.
34
35//Authors: Korey L. Sewell
36// Brett Miller
37
31////////////////////////////////////////////////////////////////////
32//
33// DSP integer operate instructions
34//
35output header {{
36#include <iostream>
37 using namespace std;
38 /**

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172
173 decl_code = 'uint32_t dspctl;\n'
174 decl_code += 'dspctl = DSPControl;\n'
175
176 write_code = 'DSPControl = dspctl;\n'
177
178 code = decl_code + code + write_code
179
38////////////////////////////////////////////////////////////////////
39//
40// DSP integer operate instructions
41//
42output header {{
43#include <iostream>
44 using namespace std;
45 /**

--- 133 unchanged lines hidden (view full) ---

179
180 decl_code = 'uint32_t dspctl;\n'
181 decl_code += 'dspctl = DSPControl;\n'
182
183 write_code = 'DSPControl = dspctl;\n'
184
185 code = decl_code + code + write_code
186
187 opt_flags += ('IsDspOp',)
188
180 iop = InstObjParams(name, Name, 'DspIntOp', code, opt_flags)
181 header_output = BasicDeclare.subst(iop)
182 decoder_output = BasicConstructor.subst(iop)
183 decode_block = BasicDecode.subst(iop)
184 exec_output = DspExecute.subst(iop)
185}};
186
187// add code to fetch the DSPControl register

--- 13 unchanged lines hidden (view full) ---

201 fetch_code += 'dspac = dspac << 32 | LO_RD_SEL;\n'
202
203 write_code = 'DSPControl = dspctl;\n'
204 write_code += 'HI_RD_SEL = dspac<63:32>;\n'
205 write_code += 'LO_RD_SEL = dspac<31:0>;\n'
206
207 code = decl_code + fetch_code + code + write_code
208
189 iop = InstObjParams(name, Name, 'DspIntOp', code, opt_flags)
190 header_output = BasicDeclare.subst(iop)
191 decoder_output = BasicConstructor.subst(iop)
192 decode_block = BasicDecode.subst(iop)
193 exec_output = DspExecute.subst(iop)
194}};
195
196// add code to fetch the DSPControl register

--- 13 unchanged lines hidden (view full) ---

210 fetch_code += 'dspac = dspac << 32 | LO_RD_SEL;\n'
211
212 write_code = 'DSPControl = dspctl;\n'
213 write_code += 'HI_RD_SEL = dspac<63:32>;\n'
214 write_code += 'LO_RD_SEL = dspac<31:0>;\n'
215
216 code = decl_code + fetch_code + code + write_code
217
218 opt_flags += ('IsDspOp',)
219
209 iop = InstObjParams(name, Name, 'DspHiLoOp', code, opt_flags)
210 header_output = BasicDeclare.subst(iop)
211 decoder_output = BasicConstructor.subst(iop)
212 decode_block = BasicDecode.subst(iop)
213 exec_output = DspHiLoExecute.subst(iop)
214
215}};
216
217
218
220 iop = InstObjParams(name, Name, 'DspHiLoOp', code, opt_flags)
221 header_output = BasicDeclare.subst(iop)
222 decoder_output = BasicConstructor.subst(iop)
223 decode_block = BasicDecode.subst(iop)
224 exec_output = DspHiLoExecute.subst(iop)
225
226}};
227
228
229