vfp.isa (10184:bbfa3152bdea) vfp.isa (10205:3ca67d0e0e7e)
1// -*- mode:c++ -*-
2
3// Copyright (c) 2010-2013 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// Redistribution and use in source and binary forms, with or without
16// modification, are permitted provided that the following conditions are
17// met: redistributions of source code must retain the above copyright
18// notice, this list of conditions and the following disclaimer;
19// redistributions in binary form must reproduce the above copyright
20// notice, this list of conditions and the following disclaimer in the
21// documentation and/or other materials provided with the distribution;
22// neither the name of the copyright holders nor the names of its
23// contributors may be used to endorse or promote products derived from
24// this software without specific prior written permission.
25//
26// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
28// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
29// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
30// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
31// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
32// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
36// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37//
38// Authors: Gabe Black
39
40let {{
41 vfpEnabledCheckCode = '''
42 uint32_t issEnCheck;
43 bool trapEnCheck;
44 uint32_t seq;
45 if (!vfpNeonEnabled(seq,Hcptr, Nsacr, Cpacr, Cpsr, issEnCheck,
46 trapEnCheck, xc->tcBase(), Fpexc))
47 {return disabledFault();}
48 if (trapEnCheck) {
49 CPSR cpsrEnCheck = Cpsr;
50 if (cpsrEnCheck.mode == MODE_HYP) {
51 return new UndefinedInstruction(machInst, issEnCheck,
1// -*- mode:c++ -*-
2
3// Copyright (c) 2010-2013 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// Redistribution and use in source and binary forms, with or without
16// modification, are permitted provided that the following conditions are
17// met: redistributions of source code must retain the above copyright
18// notice, this list of conditions and the following disclaimer;
19// redistributions in binary form must reproduce the above copyright
20// notice, this list of conditions and the following disclaimer in the
21// documentation and/or other materials provided with the distribution;
22// neither the name of the copyright holders nor the names of its
23// contributors may be used to endorse or promote products derived from
24// this software without specific prior written permission.
25//
26// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
28// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
29// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
30// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
31// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
32// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
36// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37//
38// Authors: Gabe Black
39
40let {{
41 vfpEnabledCheckCode = '''
42 uint32_t issEnCheck;
43 bool trapEnCheck;
44 uint32_t seq;
45 if (!vfpNeonEnabled(seq,Hcptr, Nsacr, Cpacr, Cpsr, issEnCheck,
46 trapEnCheck, xc->tcBase(), Fpexc))
47 {return disabledFault();}
48 if (trapEnCheck) {
49 CPSR cpsrEnCheck = Cpsr;
50 if (cpsrEnCheck.mode == MODE_HYP) {
51 return new UndefinedInstruction(machInst, issEnCheck,
52 EC_TRAPPED_HCPTR);
52 EC_TRAPPED_HCPTR, mnemonic);
53 } else {
54 if (!inSecureState(Scr, Cpsr)) {
55 return new HypervisorTrap(machInst, issEnCheck,
56 EC_TRAPPED_HCPTR);
57 }
58 }
59 }
60 '''
61
62 vfp64EnabledCheckCode = '''
63 CPSR cpsrEnCheck = Cpsr;
64 ExceptionLevel el = (ExceptionLevel) (uint8_t) cpsrEnCheck.el;
65 if (!vfpNeon64Enabled(Cpacr64, el))
66 return new SupervisorTrap(machInst, 0x1E00000,
67 EC_TRAPPED_SIMD_FP);
68
69 if (ArmSystem::haveVirtualization(xc->tcBase()) && el <= EL2) {
70 HCPTR cptrEnCheck = xc->tcBase()->readMiscReg(MISCREG_CPTR_EL2);
71 if (cptrEnCheck.tfp)
72 return new HypervisorTrap(machInst, 0x1E00000,
73 EC_TRAPPED_SIMD_FP);
74 }
75
76 if (ArmSystem::haveSecurity(xc->tcBase())) {
77 HCPTR cptrEnCheck = xc->tcBase()->readMiscReg(MISCREG_CPTR_EL3);
78 if (cptrEnCheck.tfp)
79 return new SecureMonitorTrap(machInst, 0x1E00000,
80 EC_TRAPPED_SIMD_FP);
81 }
82 '''
83
84 vmsrEnabledCheckCode = '''
85 uint32_t issEnCheck;
86 bool trapEnCheck;
87 uint32_t seq;
88 if (!vfpNeonEnabled(seq,Hcptr, Nsacr, Cpacr, Cpsr, issEnCheck,
89 trapEnCheck, xc->tcBase()))
90 if (dest != (int)MISCREG_FPEXC && dest != (int)MISCREG_FPSID)
91 {return disabledFault();}
92 if (!inPrivilegedMode(Cpsr))
93 if (dest != (int)MISCREG_FPSCR)
94 return disabledFault();
95 if (trapEnCheck) {
96 CPSR cpsrEnCheck = Cpsr;
97 if (cpsrEnCheck.mode == MODE_HYP) {
98 return new UndefinedInstruction(machInst, issEnCheck,
53 } else {
54 if (!inSecureState(Scr, Cpsr)) {
55 return new HypervisorTrap(machInst, issEnCheck,
56 EC_TRAPPED_HCPTR);
57 }
58 }
59 }
60 '''
61
62 vfp64EnabledCheckCode = '''
63 CPSR cpsrEnCheck = Cpsr;
64 ExceptionLevel el = (ExceptionLevel) (uint8_t) cpsrEnCheck.el;
65 if (!vfpNeon64Enabled(Cpacr64, el))
66 return new SupervisorTrap(machInst, 0x1E00000,
67 EC_TRAPPED_SIMD_FP);
68
69 if (ArmSystem::haveVirtualization(xc->tcBase()) && el <= EL2) {
70 HCPTR cptrEnCheck = xc->tcBase()->readMiscReg(MISCREG_CPTR_EL2);
71 if (cptrEnCheck.tfp)
72 return new HypervisorTrap(machInst, 0x1E00000,
73 EC_TRAPPED_SIMD_FP);
74 }
75
76 if (ArmSystem::haveSecurity(xc->tcBase())) {
77 HCPTR cptrEnCheck = xc->tcBase()->readMiscReg(MISCREG_CPTR_EL3);
78 if (cptrEnCheck.tfp)
79 return new SecureMonitorTrap(machInst, 0x1E00000,
80 EC_TRAPPED_SIMD_FP);
81 }
82 '''
83
84 vmsrEnabledCheckCode = '''
85 uint32_t issEnCheck;
86 bool trapEnCheck;
87 uint32_t seq;
88 if (!vfpNeonEnabled(seq,Hcptr, Nsacr, Cpacr, Cpsr, issEnCheck,
89 trapEnCheck, xc->tcBase()))
90 if (dest != (int)MISCREG_FPEXC && dest != (int)MISCREG_FPSID)
91 {return disabledFault();}
92 if (!inPrivilegedMode(Cpsr))
93 if (dest != (int)MISCREG_FPSCR)
94 return disabledFault();
95 if (trapEnCheck) {
96 CPSR cpsrEnCheck = Cpsr;
97 if (cpsrEnCheck.mode == MODE_HYP) {
98 return new UndefinedInstruction(machInst, issEnCheck,
99 EC_TRAPPED_HCPTR);
99 EC_TRAPPED_HCPTR, mnemonic);
100 } else {
101 if (!inSecureState(Scr, Cpsr)) {
102 return new HypervisorTrap(machInst, issEnCheck,
103 EC_TRAPPED_HCPTR);
104 }
105 }
106 }
107 '''
108
109 vmrsEnabledCheckCode = '''
110 uint32_t issEnCheck;
111 bool trapEnCheck;
112 uint32_t seq;
113 if (!vfpNeonEnabled(seq,Hcptr, Nsacr, Cpacr, Cpsr, issEnCheck,
114 trapEnCheck, xc->tcBase()))
115 if (op1 != (int)MISCREG_FPEXC && op1 != (int)MISCREG_FPSID &&
116 op1 != (int)MISCREG_MVFR0 && op1 != (int)MISCREG_MVFR1)
117 {return disabledFault();}
118 if (!inPrivilegedMode(Cpsr))
119 if (op1 != (int)MISCREG_FPSCR)
120 return disabledFault();
121 if (trapEnCheck) {
122 CPSR cpsrEnCheck = Cpsr;
123 if (cpsrEnCheck.mode == MODE_HYP) {
124 return new UndefinedInstruction(machInst, issEnCheck,
100 } else {
101 if (!inSecureState(Scr, Cpsr)) {
102 return new HypervisorTrap(machInst, issEnCheck,
103 EC_TRAPPED_HCPTR);
104 }
105 }
106 }
107 '''
108
109 vmrsEnabledCheckCode = '''
110 uint32_t issEnCheck;
111 bool trapEnCheck;
112 uint32_t seq;
113 if (!vfpNeonEnabled(seq,Hcptr, Nsacr, Cpacr, Cpsr, issEnCheck,
114 trapEnCheck, xc->tcBase()))
115 if (op1 != (int)MISCREG_FPEXC && op1 != (int)MISCREG_FPSID &&
116 op1 != (int)MISCREG_MVFR0 && op1 != (int)MISCREG_MVFR1)
117 {return disabledFault();}
118 if (!inPrivilegedMode(Cpsr))
119 if (op1 != (int)MISCREG_FPSCR)
120 return disabledFault();
121 if (trapEnCheck) {
122 CPSR cpsrEnCheck = Cpsr;
123 if (cpsrEnCheck.mode == MODE_HYP) {
124 return new UndefinedInstruction(machInst, issEnCheck,
125 EC_TRAPPED_HCPTR);
125 EC_TRAPPED_HCPTR, mnemonic);
126 } else {
127 if (!inSecureState(Scr, Cpsr)) {
128 return new HypervisorTrap(machInst, issEnCheck,
129 EC_TRAPPED_HCPTR);
130 }
131 }
132 }
133 '''
134 vmrsApsrEnabledCheckCode = '''
135 uint32_t issEnCheck;
136 bool trapEnCheck;
137 uint32_t seq;
138 if (!vfpNeonEnabled(seq,Hcptr, Nsacr, Cpacr, Cpsr, issEnCheck,
139 trapEnCheck, xc->tcBase()))
140 {return disabledFault();}
141 if (trapEnCheck) {
142 CPSR cpsrEnCheck = Cpsr;
143 if (cpsrEnCheck.mode == MODE_HYP) {
144 return new UndefinedInstruction(machInst, issEnCheck,
126 } else {
127 if (!inSecureState(Scr, Cpsr)) {
128 return new HypervisorTrap(machInst, issEnCheck,
129 EC_TRAPPED_HCPTR);
130 }
131 }
132 }
133 '''
134 vmrsApsrEnabledCheckCode = '''
135 uint32_t issEnCheck;
136 bool trapEnCheck;
137 uint32_t seq;
138 if (!vfpNeonEnabled(seq,Hcptr, Nsacr, Cpacr, Cpsr, issEnCheck,
139 trapEnCheck, xc->tcBase()))
140 {return disabledFault();}
141 if (trapEnCheck) {
142 CPSR cpsrEnCheck = Cpsr;
143 if (cpsrEnCheck.mode == MODE_HYP) {
144 return new UndefinedInstruction(machInst, issEnCheck,
145 EC_TRAPPED_HCPTR);
145 EC_TRAPPED_HCPTR, mnemonic);
146 } else {
147 if (!inSecureState(Scr, Cpsr)) {
148 return new HypervisorTrap(machInst, issEnCheck,
149 EC_TRAPPED_HCPTR);
150 }
151 }
152 }
153 '''
154}};
155
156def template FpRegRegOpDeclare {{
157class %(class_name)s : public %(base_class)s
158{
159 public:
160 // Constructor
161 %(class_name)s(ExtMachInst machInst,
162 IntRegIndex _dest, IntRegIndex _op1,
163 VfpMicroMode mode = VfpNotAMicroop);
164 %(BasicExecDeclare)s
165};
166}};
167
168def template FpRegRegOpConstructor {{
169 %(class_name)s::%(class_name)s(ExtMachInst machInst,
170 IntRegIndex _dest, IntRegIndex _op1,
171 VfpMicroMode mode)
172 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s,
173 _dest, _op1, mode)
174 {
175 %(constructor)s;
176 if (!(condCode == COND_AL || condCode == COND_UC)) {
177 for (int x = 0; x < _numDestRegs; x++) {
178 _srcRegIdx[_numSrcRegs++] = _destRegIdx[x];
179 }
180 }
181 }
182}};
183
184def template FpRegImmOpDeclare {{
185class %(class_name)s : public %(base_class)s
186{
187 public:
188 // Constructor
189 %(class_name)s(ExtMachInst machInst, IntRegIndex _dest,
190 uint64_t _imm, VfpMicroMode mode = VfpNotAMicroop);
191 %(BasicExecDeclare)s
192};
193}};
194
195def template FpRegImmOpConstructor {{
196 %(class_name)s::%(class_name)s(ExtMachInst machInst,
197 IntRegIndex _dest, uint64_t _imm, VfpMicroMode mode)
198 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s,
199 _dest, _imm, mode)
200 {
201 %(constructor)s;
202 if (!(condCode == COND_AL || condCode == COND_UC)) {
203 for (int x = 0; x < _numDestRegs; x++) {
204 _srcRegIdx[_numSrcRegs++] = _destRegIdx[x];
205 }
206 }
207 }
208}};
209
210def template FpRegRegImmOpDeclare {{
211class %(class_name)s : public %(base_class)s
212{
213 public:
214 // Constructor
215 %(class_name)s(ExtMachInst machInst,
216 IntRegIndex _dest, IntRegIndex _op1,
217 uint64_t _imm, VfpMicroMode mode = VfpNotAMicroop);
218 %(BasicExecDeclare)s
219};
220}};
221
222def template FpRegRegImmOpConstructor {{
223 %(class_name)s::%(class_name)s(ExtMachInst machInst,
224 IntRegIndex _dest,
225 IntRegIndex _op1,
226 uint64_t _imm,
227 VfpMicroMode mode)
228 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s,
229 _dest, _op1, _imm, mode)
230 {
231 %(constructor)s;
232 if (!(condCode == COND_AL || condCode == COND_UC)) {
233 for (int x = 0; x < _numDestRegs; x++) {
234 _srcRegIdx[_numSrcRegs++] = _destRegIdx[x];
235 }
236 }
237 }
238}};
239
240def template FpRegRegRegOpDeclare {{
241class %(class_name)s : public %(base_class)s
242{
243 public:
244 // Constructor
245 %(class_name)s(ExtMachInst machInst,
246 IntRegIndex _dest, IntRegIndex _op1, IntRegIndex _op2,
247 VfpMicroMode mode = VfpNotAMicroop);
248 %(BasicExecDeclare)s
249};
250}};
251
252def template FpRegRegRegOpConstructor {{
253 %(class_name)s::%(class_name)s(ExtMachInst machInst,
254 IntRegIndex _dest,
255 IntRegIndex _op1,
256 IntRegIndex _op2,
257 VfpMicroMode mode)
258 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s,
259 _dest, _op1, _op2, mode)
260 {
261 %(constructor)s;
262 if (!(condCode == COND_AL || condCode == COND_UC)) {
263 for (int x = 0; x < _numDestRegs; x++) {
264 _srcRegIdx[_numSrcRegs++] = _destRegIdx[x];
265 }
266 }
267 }
268}};
146 } else {
147 if (!inSecureState(Scr, Cpsr)) {
148 return new HypervisorTrap(machInst, issEnCheck,
149 EC_TRAPPED_HCPTR);
150 }
151 }
152 }
153 '''
154}};
155
156def template FpRegRegOpDeclare {{
157class %(class_name)s : public %(base_class)s
158{
159 public:
160 // Constructor
161 %(class_name)s(ExtMachInst machInst,
162 IntRegIndex _dest, IntRegIndex _op1,
163 VfpMicroMode mode = VfpNotAMicroop);
164 %(BasicExecDeclare)s
165};
166}};
167
168def template FpRegRegOpConstructor {{
169 %(class_name)s::%(class_name)s(ExtMachInst machInst,
170 IntRegIndex _dest, IntRegIndex _op1,
171 VfpMicroMode mode)
172 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s,
173 _dest, _op1, mode)
174 {
175 %(constructor)s;
176 if (!(condCode == COND_AL || condCode == COND_UC)) {
177 for (int x = 0; x < _numDestRegs; x++) {
178 _srcRegIdx[_numSrcRegs++] = _destRegIdx[x];
179 }
180 }
181 }
182}};
183
184def template FpRegImmOpDeclare {{
185class %(class_name)s : public %(base_class)s
186{
187 public:
188 // Constructor
189 %(class_name)s(ExtMachInst machInst, IntRegIndex _dest,
190 uint64_t _imm, VfpMicroMode mode = VfpNotAMicroop);
191 %(BasicExecDeclare)s
192};
193}};
194
195def template FpRegImmOpConstructor {{
196 %(class_name)s::%(class_name)s(ExtMachInst machInst,
197 IntRegIndex _dest, uint64_t _imm, VfpMicroMode mode)
198 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s,
199 _dest, _imm, mode)
200 {
201 %(constructor)s;
202 if (!(condCode == COND_AL || condCode == COND_UC)) {
203 for (int x = 0; x < _numDestRegs; x++) {
204 _srcRegIdx[_numSrcRegs++] = _destRegIdx[x];
205 }
206 }
207 }
208}};
209
210def template FpRegRegImmOpDeclare {{
211class %(class_name)s : public %(base_class)s
212{
213 public:
214 // Constructor
215 %(class_name)s(ExtMachInst machInst,
216 IntRegIndex _dest, IntRegIndex _op1,
217 uint64_t _imm, VfpMicroMode mode = VfpNotAMicroop);
218 %(BasicExecDeclare)s
219};
220}};
221
222def template FpRegRegImmOpConstructor {{
223 %(class_name)s::%(class_name)s(ExtMachInst machInst,
224 IntRegIndex _dest,
225 IntRegIndex _op1,
226 uint64_t _imm,
227 VfpMicroMode mode)
228 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s,
229 _dest, _op1, _imm, mode)
230 {
231 %(constructor)s;
232 if (!(condCode == COND_AL || condCode == COND_UC)) {
233 for (int x = 0; x < _numDestRegs; x++) {
234 _srcRegIdx[_numSrcRegs++] = _destRegIdx[x];
235 }
236 }
237 }
238}};
239
240def template FpRegRegRegOpDeclare {{
241class %(class_name)s : public %(base_class)s
242{
243 public:
244 // Constructor
245 %(class_name)s(ExtMachInst machInst,
246 IntRegIndex _dest, IntRegIndex _op1, IntRegIndex _op2,
247 VfpMicroMode mode = VfpNotAMicroop);
248 %(BasicExecDeclare)s
249};
250}};
251
252def template FpRegRegRegOpConstructor {{
253 %(class_name)s::%(class_name)s(ExtMachInst machInst,
254 IntRegIndex _dest,
255 IntRegIndex _op1,
256 IntRegIndex _op2,
257 VfpMicroMode mode)
258 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s,
259 _dest, _op1, _op2, mode)
260 {
261 %(constructor)s;
262 if (!(condCode == COND_AL || condCode == COND_UC)) {
263 for (int x = 0; x < _numDestRegs; x++) {
264 _srcRegIdx[_numSrcRegs++] = _destRegIdx[x];
265 }
266 }
267 }
268}};