macromem.isa revision 7639 
1// -*- mode:c++ -*-
2
3// Copyright (c) 2010 ARM Limited
4// All rights reserved
5//
6// The license below extends only to copyright in the software and shall
7// not be construed as granting a license to any other intellectual
8// property including but not limited to intellectual property relating
9// to a hardware implementation of the functionality of the software
10// licensed hereunder.  You may use the software subject to the license
11// terms below provided that you ensure that this notice is replicated
12// unmodified and in its entirety in all distributions of the software,
13// modified or unmodified, in source code or in binary form.
14//
15// Copyright (c) 2007-2008 The Florida State University
16// All rights reserved.
17//
18// Redistribution and use in source and binary forms, with or without
19// modification, are permitted provided that the following conditions are
20// met: redistributions of source code must retain the above copyright
21// notice, this list of conditions and the following disclaimer;
22// redistributions in binary form must reproduce the above copyright
23// notice, this list of conditions and the following disclaimer in the
24// documentation and/or other materials provided with the distribution;
25// neither the name of the copyright holders nor the names of its
26// contributors may be used to endorse or promote products derived from
27// this software without specific prior written permission.
28//
29// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
30// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
31// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
32// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
33// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
34// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
35// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
36// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
37// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
38// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
39// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
40//
41// Authors: Stephen Hines
42//          Gabe Black
43
44////////////////////////////////////////////////////////////////////
45//
46// Load/store microops
47//
48
49def template MicroMemDeclare {{
50    class %(class_name)s : public %(base_class)s
51    {
52      public:
53        %(class_name)s(ExtMachInst machInst,
54                       RegIndex _ura, RegIndex _urb, bool _up,
55                       uint8_t _imm);
56        %(BasicExecDeclare)s
57        %(InitiateAccDeclare)s
58        %(CompleteAccDeclare)s
59    };
60}};
61
62def template MicroMemConstructor {{
63    %(class_name)s::%(class_name)s(ExtMachInst machInst,
64                                   RegIndex _ura,
65                                   RegIndex _urb,
66                                   bool _up,
67                                   uint8_t _imm)
68        : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s,
69                         _ura, _urb, _up, _imm)
70    {
71        %(constructor)s;
72    }
73}};
74
75////////////////////////////////////////////////////////////////////
76//
77// Neon load/store microops
78//
79
80def template MicroNeonMemDeclare {{
81    template <class Element>
82    class %(class_name)s : public %(base_class)s
83    {
84      public:
85        %(class_name)s(ExtMachInst machInst, RegIndex _dest,
86                       RegIndex _ura, uint32_t _imm, unsigned extraMemFlags)
87            : %(base_class)s("%(mnemonic)s", machInst,
88                              %(op_class)s, _dest, _ura, _imm)
89        {
90            memAccessFlags |= extraMemFlags;
91            %(constructor)s;
92        }
93
94        %(BasicExecDeclare)s
95        %(InitiateAccDeclare)s
96        %(CompleteAccDeclare)s
97    };
98}};
99
100////////////////////////////////////////////////////////////////////
101//
102// Integer = Integer op Integer microops
103//
104
105def template MicroIntDeclare {{
106    class %(class_name)s : public %(base_class)s
107    {
108      public:
109        %(class_name)s(ExtMachInst machInst,
110                       RegIndex _ura, RegIndex _urb, RegIndex _urc);
111        %(BasicExecDeclare)s
112    };
113}};
114
115def template MicroIntConstructor {{
116    %(class_name)s::%(class_name)s(ExtMachInst machInst,
117                                   RegIndex _ura,
118                                   RegIndex _urb,
119                                   RegIndex _urc)
120        : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s,
121                         _ura, _urb, _urc)
122    {
123        %(constructor)s;
124    }
125}};
126
127def template MicroNeonMemExecDeclare {{
128    template
129    Fault %(class_name)s<%(targs)s>::execute(
130            %(CPU_exec_context)s *, Trace::InstRecord *) const;
131    template
132    Fault %(class_name)s<%(targs)s>::initiateAcc(
133            %(CPU_exec_context)s *, Trace::InstRecord *) const;
134    template
135    Fault %(class_name)s<%(targs)s>::completeAcc(PacketPtr,
136            %(CPU_exec_context)s *, Trace::InstRecord *) const;
137}};
138
139def template MicroNeonExecDeclare {{
140    template
141    Fault %(class_name)s<%(targs)s>::execute(
142            %(CPU_exec_context)s *, Trace::InstRecord *) const;
143}};
144
145////////////////////////////////////////////////////////////////////
146//
147// Neon (de)interlacing microops
148//
149
150def template MicroNeonMixDeclare {{
151    template <class Element>
152    class %(class_name)s : public %(base_class)s
153    {
154      public:
155        %(class_name)s(ExtMachInst machInst, RegIndex _dest, RegIndex _op1,
156                       uint8_t _step) :
157            %(base_class)s("%(mnemonic)s", machInst, %(op_class)s,
158                           _dest, _op1, _step)
159        {
160            %(constructor)s;
161        }
162
163        %(BasicExecDeclare)s
164    };
165}};
166
167def template MicroNeonMixExecute {{
168    template <class Element>
169    Fault %(class_name)s<Element>::execute(%(CPU_exec_context)s *xc,
170            Trace::InstRecord *traceData) const
171    {
172        Fault fault = NoFault;
173        uint64_t resTemp = 0;
174        resTemp = resTemp;
175        %(op_decl)s;
176        %(op_rd)s;
177
178        if (%(predicate_test)s)
179        {
180            %(code)s;
181            if (fault == NoFault)
182            {
183                %(op_wb)s;
184            }
185        }
186
187        if (fault == NoFault && machInst.itstateMask != 0) {
188            xc->setMiscReg(MISCREG_ITSTATE, machInst.newItstate);
189        }
190
191        return fault;
192    }
193}};
194
195////////////////////////////////////////////////////////////////////
196//
197// Neon (un)packing microops using a particular lane
198//
199
200def template MicroNeonMixLaneDeclare {{
201    template <class Element>
202    class %(class_name)s : public %(base_class)s
203    {
204      public:
205        %(class_name)s(ExtMachInst machInst, RegIndex _dest, RegIndex _op1,
206                       uint8_t _step, unsigned _lane) :
207            %(base_class)s("%(mnemonic)s", machInst, %(op_class)s,
208                           _dest, _op1, _step, _lane)
209        {
210            %(constructor)s;
211        }
212
213        %(BasicExecDeclare)s
214    };
215}};
216
217////////////////////////////////////////////////////////////////////
218//
219// Integer = Integer op Immediate microops
220//
221
222def template MicroIntImmDeclare {{
223    class %(class_name)s : public %(base_class)s
224    {
225      public:
226        %(class_name)s(ExtMachInst machInst,
227                       RegIndex _ura, RegIndex _urb,
228                       uint8_t _imm);
229        %(BasicExecDeclare)s
230    };
231}};
232
233def template MicroIntImmConstructor {{
234    %(class_name)s::%(class_name)s(ExtMachInst machInst,
235                                   RegIndex _ura,
236                                   RegIndex _urb,
237                                   uint8_t _imm)
238        : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s,
239                         _ura, _urb, _imm)
240    {
241        %(constructor)s;
242    }
243}};
244
245////////////////////////////////////////////////////////////////////
246//
247// Macro Memory-format instructions
248//
249
250def template MacroMemDeclare {{
251/**
252 * Static instructions class for a store multiple instruction
253 */
254class %(class_name)s : public %(base_class)s
255{
256    public:
257        // Constructor
258        %(class_name)s(ExtMachInst machInst, IntRegIndex rn,
259                bool index, bool up, bool user, bool writeback, bool load,
260                uint32_t reglist);
261        %(BasicExecPanic)s
262};
263}};
264
265def template MacroMemConstructor {{
266%(class_name)s::%(class_name)s(ExtMachInst machInst, IntRegIndex rn,
267        bool index, bool up, bool user, bool writeback, bool load,
268        uint32_t reglist)
269    : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s, rn,
270                     index, up, user, writeback, load, reglist)
271{
272    %(constructor)s;
273}
274
275}};
276
277def template VMemMultDeclare {{
278class %(class_name)s : public %(base_class)s
279{
280    public:
281        // Constructor
282        %(class_name)s(ExtMachInst machInst, unsigned width,
283                RegIndex rn, RegIndex vd, unsigned regs, unsigned inc,
284                uint32_t size, uint32_t align, RegIndex rm);
285        %(BasicExecPanic)s
286};
287}};
288
289def template VMemMultConstructor {{
290%(class_name)s::%(class_name)s(ExtMachInst machInst, unsigned width,
291        RegIndex rn, RegIndex vd, unsigned regs, unsigned inc,
292        uint32_t size, uint32_t align, RegIndex rm)
293    : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s, width,
294                     rn, vd, regs, inc, size, align, rm)
295{
296    %(constructor)s;
297}
298}};
299
300def template VMemSingleDeclare {{
301class %(class_name)s : public %(base_class)s
302{
303    public:
304        // Constructor
305        %(class_name)s(ExtMachInst machInst, bool all, unsigned width,
306                RegIndex rn, RegIndex vd, unsigned regs, unsigned inc,
307                uint32_t size, uint32_t align, RegIndex rm, unsigned lane = 0);
308        %(BasicExecPanic)s
309};
310}};
311
312def template VMemSingleConstructor {{
313%(class_name)s::%(class_name)s(ExtMachInst machInst, bool all, unsigned width,
314        RegIndex rn, RegIndex vd, unsigned regs, unsigned inc,
315        uint32_t size, uint32_t align, RegIndex rm, unsigned lane)
316    : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s, all, width,
317                     rn, vd, regs, inc, size, align, rm, lane)
318{
319    %(constructor)s;
320}
321}};
322
323def template MacroVFPMemDeclare {{
324/**
325 * Static instructions class for a store multiple instruction
326 */
327class %(class_name)s : public %(base_class)s
328{
329    public:
330        // Constructor
331        %(class_name)s(ExtMachInst machInst, IntRegIndex rn,
332                RegIndex vd, bool single, bool up, bool writeback,
333                bool load, uint32_t offset);
334        %(BasicExecPanic)s
335};
336}};
337
338def template MacroVFPMemConstructor {{
339%(class_name)s::%(class_name)s(ExtMachInst machInst, IntRegIndex rn,
340        RegIndex vd, bool single, bool up, bool writeback, bool load,
341        uint32_t offset)
342    : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s, rn,
343                     vd, single, up, writeback, load, offset)
344{
345    %(constructor)s;
346}
347
348}};
349