utility.cc (7720:65d338a8dba4) utility.cc (7741:340b6f01d69b)
1/*
2 * Copyright (c) 2003-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Gabe Black
29 * Ali Saidi
30 */
31
32#include "arch/sparc/faults.hh"
33#include "arch/sparc/utility.hh"
34#if FULL_SYSTEM
35#include "arch/sparc/vtophys.hh"
36#include "mem/vport.hh"
37#endif
38
39namespace SparcISA {
40
41
1/*
2 * Copyright (c) 2003-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Gabe Black
29 * Ali Saidi
30 */
31
32#include "arch/sparc/faults.hh"
33#include "arch/sparc/utility.hh"
34#if FULL_SYSTEM
35#include "arch/sparc/vtophys.hh"
36#include "mem/vport.hh"
37#endif
38
39namespace SparcISA {
40
41
42//The caller uses %o0-%05 for the first 6 arguments even if their floating
43//point. Double precision floating point values take two registers/args.
44//Quads, structs, and unions are passed as pointers. All arguments beyond
45//the sixth are passed on the stack past the 16 word window save area,
46//space for the struct/union return pointer, and space reserved for the
47//first 6 arguments which the caller may use but doesn't have to.
42// The caller uses %o0-%05 for the first 6 arguments even if their floating
43// point. Double precision floating point values take two registers/args.
44// Quads, structs, and unions are passed as pointers. All arguments beyond
45// the sixth are passed on the stack past the 16 word window save area,
46// space for the struct/union return pointer, and space reserved for the
47// first 6 arguments which the caller may use but doesn't have to.
48uint64_t
49getArgument(ThreadContext *tc, int &number, uint16_t size, bool fp)
50{
51#if FULL_SYSTEM
52 const int NumArgumentRegs = 6;
53 if (number < NumArgumentRegs) {
54 return tc->readIntReg(8 + number);
55 } else {
56 Addr sp = tc->readIntReg(StackPointerReg);
57 VirtualPort *vp = tc->getVirtPort();
58 uint64_t arg = vp->read<uint64_t>(sp + 92 +
59 (number-NumArgumentRegs) * sizeof(uint64_t));
60 return arg;
61 }
62#else
63 panic("getArgument() only implemented for FULL_SYSTEM\n");
64 M5_DUMMY_RETURN
65#endif
66}
67
68void
69copyMiscRegs(ThreadContext *src, ThreadContext *dest)
70{
71
72 uint8_t tl = src->readMiscRegNoEffect(MISCREG_TL);
73
74 // Read all the trap level dependent registers and save them off
48uint64_t
49getArgument(ThreadContext *tc, int &number, uint16_t size, bool fp)
50{
51#if FULL_SYSTEM
52 const int NumArgumentRegs = 6;
53 if (number < NumArgumentRegs) {
54 return tc->readIntReg(8 + number);
55 } else {
56 Addr sp = tc->readIntReg(StackPointerReg);
57 VirtualPort *vp = tc->getVirtPort();
58 uint64_t arg = vp->read<uint64_t>(sp + 92 +
59 (number-NumArgumentRegs) * sizeof(uint64_t));
60 return arg;
61 }
62#else
63 panic("getArgument() only implemented for FULL_SYSTEM\n");
64 M5_DUMMY_RETURN
65#endif
66}
67
68void
69copyMiscRegs(ThreadContext *src, ThreadContext *dest)
70{
71
72 uint8_t tl = src->readMiscRegNoEffect(MISCREG_TL);
73
74 // Read all the trap level dependent registers and save them off
75 for(int i = 1; i <= MaxTL; i++)
76 {
75 for (int i = 1; i <= MaxTL; i++) {
77 src->setMiscRegNoEffect(MISCREG_TL, i);
78 dest->setMiscRegNoEffect(MISCREG_TL, i);
79
76 src->setMiscRegNoEffect(MISCREG_TL, i);
77 dest->setMiscRegNoEffect(MISCREG_TL, i);
78
80 dest->setMiscRegNoEffect(MISCREG_TT, src->readMiscRegNoEffect(MISCREG_TT));
81 dest->setMiscRegNoEffect(MISCREG_TPC, src->readMiscRegNoEffect(MISCREG_TPC));
82 dest->setMiscRegNoEffect(MISCREG_TNPC, src->readMiscRegNoEffect(MISCREG_TNPC));
83 dest->setMiscRegNoEffect(MISCREG_TSTATE, src->readMiscRegNoEffect(MISCREG_TSTATE));
79 dest->setMiscRegNoEffect(MISCREG_TT,
80 src->readMiscRegNoEffect(MISCREG_TT));
81 dest->setMiscRegNoEffect(MISCREG_TPC,
82 src->readMiscRegNoEffect(MISCREG_TPC));
83 dest->setMiscRegNoEffect(MISCREG_TNPC,
84 src->readMiscRegNoEffect(MISCREG_TNPC));
85 dest->setMiscRegNoEffect(MISCREG_TSTATE,
86 src->readMiscRegNoEffect(MISCREG_TSTATE));
84 }
85
86 // Save off the traplevel
87 dest->setMiscRegNoEffect(MISCREG_TL, tl);
88 src->setMiscRegNoEffect(MISCREG_TL, tl);
89
90
91 // ASRs
87 }
88
89 // Save off the traplevel
90 dest->setMiscRegNoEffect(MISCREG_TL, tl);
91 src->setMiscRegNoEffect(MISCREG_TL, tl);
92
93
94 // ASRs
92// dest->setMiscRegNoEffect(MISCREG_Y, src->readMiscRegNoEffect(MISCREG_Y));
93// dest->setMiscRegNoEffect(MISCREG_CCR, src->readMiscRegNoEffect(MISCREG_CCR));
94 dest->setMiscRegNoEffect(MISCREG_ASI, src->readMiscRegNoEffect(MISCREG_ASI));
95 dest->setMiscRegNoEffect(MISCREG_TICK, src->readMiscRegNoEffect(MISCREG_TICK));
96 dest->setMiscRegNoEffect(MISCREG_FPRS, src->readMiscRegNoEffect(MISCREG_FPRS));
97 dest->setMiscRegNoEffect(MISCREG_SOFTINT, src->readMiscRegNoEffect(MISCREG_SOFTINT));
98 dest->setMiscRegNoEffect(MISCREG_TICK_CMPR, src->readMiscRegNoEffect(MISCREG_TICK_CMPR));
99 dest->setMiscRegNoEffect(MISCREG_STICK, src->readMiscRegNoEffect(MISCREG_STICK));
100 dest->setMiscRegNoEffect(MISCREG_STICK_CMPR, src->readMiscRegNoEffect(MISCREG_STICK_CMPR));
95// dest->setMiscRegNoEffect(MISCREG_Y,
96// src->readMiscRegNoEffect(MISCREG_Y));
97// dest->setMiscRegNoEffect(MISCREG_CCR,
98// src->readMiscRegNoEffect(MISCREG_CCR));
99 dest->setMiscRegNoEffect(MISCREG_ASI,
100 src->readMiscRegNoEffect(MISCREG_ASI));
101 dest->setMiscRegNoEffect(MISCREG_TICK,
102 src->readMiscRegNoEffect(MISCREG_TICK));
103 dest->setMiscRegNoEffect(MISCREG_FPRS,
104 src->readMiscRegNoEffect(MISCREG_FPRS));
105 dest->setMiscRegNoEffect(MISCREG_SOFTINT,
106 src->readMiscRegNoEffect(MISCREG_SOFTINT));
107 dest->setMiscRegNoEffect(MISCREG_TICK_CMPR,
108 src->readMiscRegNoEffect(MISCREG_TICK_CMPR));
109 dest->setMiscRegNoEffect(MISCREG_STICK,
110 src->readMiscRegNoEffect(MISCREG_STICK));
111 dest->setMiscRegNoEffect(MISCREG_STICK_CMPR,
112 src->readMiscRegNoEffect(MISCREG_STICK_CMPR));
101
102 // Priv Registers
113
114 // Priv Registers
103 dest->setMiscRegNoEffect(MISCREG_TICK, src->readMiscRegNoEffect(MISCREG_TICK));
104 dest->setMiscRegNoEffect(MISCREG_TBA, src->readMiscRegNoEffect(MISCREG_TBA));
105 dest->setMiscRegNoEffect(MISCREG_PSTATE, src->readMiscRegNoEffect(MISCREG_PSTATE));
106 dest->setMiscRegNoEffect(MISCREG_PIL, src->readMiscRegNoEffect(MISCREG_PIL));
107 dest->setMiscReg(MISCREG_CWP, src->readMiscRegNoEffect(MISCREG_CWP));
108// dest->setMiscRegNoEffect(MISCREG_CANSAVE, src->readMiscRegNoEffect(MISCREG_CANSAVE));
109// dest->setMiscRegNoEffect(MISCREG_CANRESTORE, src->readMiscRegNoEffect(MISCREG_CANRESTORE));
110// dest->setMiscRegNoEffect(MISCREG_OTHERWIN, src->readMiscRegNoEffect(MISCREG_OTHERWIN));
111// dest->setMiscRegNoEffect(MISCREG_CLEANWIN, src->readMiscRegNoEffect(MISCREG_CLEANWIN));
112// dest->setMiscRegNoEffect(MISCREG_WSTATE, src->readMiscRegNoEffect(MISCREG_WSTATE));
115 dest->setMiscRegNoEffect(MISCREG_TICK,
116 src->readMiscRegNoEffect(MISCREG_TICK));
117 dest->setMiscRegNoEffect(MISCREG_TBA,
118 src->readMiscRegNoEffect(MISCREG_TBA));
119 dest->setMiscRegNoEffect(MISCREG_PSTATE,
120 src->readMiscRegNoEffect(MISCREG_PSTATE));
121 dest->setMiscRegNoEffect(MISCREG_PIL,
122 src->readMiscRegNoEffect(MISCREG_PIL));
123 dest->setMiscReg(MISCREG_CWP,
124 src->readMiscRegNoEffect(MISCREG_CWP));
125// dest->setMiscRegNoEffect(MISCREG_CANSAVE,
126// src->readMiscRegNoEffect(MISCREG_CANSAVE));
127// dest->setMiscRegNoEffect(MISCREG_CANRESTORE,
128// src->readMiscRegNoEffect(MISCREG_CANRESTORE));
129// dest->setMiscRegNoEffect(MISCREG_OTHERWIN,
130// src->readMiscRegNoEffect(MISCREG_OTHERWIN));
131// dest->setMiscRegNoEffect(MISCREG_CLEANWIN,
132// src->readMiscRegNoEffect(MISCREG_CLEANWIN));
133// dest->setMiscRegNoEffect(MISCREG_WSTATE,
134// src->readMiscRegNoEffect(MISCREG_WSTATE));
113 dest->setMiscReg(MISCREG_GL, src->readMiscRegNoEffect(MISCREG_GL));
114
115 // Hyperprivilged registers
135 dest->setMiscReg(MISCREG_GL, src->readMiscRegNoEffect(MISCREG_GL));
136
137 // Hyperprivilged registers
116 dest->setMiscRegNoEffect(MISCREG_HPSTATE, src->readMiscRegNoEffect(MISCREG_HPSTATE));
117 dest->setMiscRegNoEffect(MISCREG_HINTP, src->readMiscRegNoEffect(MISCREG_HINTP));
118 dest->setMiscRegNoEffect(MISCREG_HTBA, src->readMiscRegNoEffect(MISCREG_HTBA));
138 dest->setMiscRegNoEffect(MISCREG_HPSTATE,
139 src->readMiscRegNoEffect(MISCREG_HPSTATE));
140 dest->setMiscRegNoEffect(MISCREG_HINTP,
141 src->readMiscRegNoEffect(MISCREG_HINTP));
142 dest->setMiscRegNoEffect(MISCREG_HTBA,
143 src->readMiscRegNoEffect(MISCREG_HTBA));
119 dest->setMiscRegNoEffect(MISCREG_STRAND_STS_REG,
120 src->readMiscRegNoEffect(MISCREG_STRAND_STS_REG));
121 dest->setMiscRegNoEffect(MISCREG_HSTICK_CMPR,
122 src->readMiscRegNoEffect(MISCREG_HSTICK_CMPR));
123
124 // FSR
144 dest->setMiscRegNoEffect(MISCREG_STRAND_STS_REG,
145 src->readMiscRegNoEffect(MISCREG_STRAND_STS_REG));
146 dest->setMiscRegNoEffect(MISCREG_HSTICK_CMPR,
147 src->readMiscRegNoEffect(MISCREG_HSTICK_CMPR));
148
149 // FSR
125 dest->setMiscRegNoEffect(MISCREG_FSR, src->readMiscRegNoEffect(MISCREG_FSR));
150 dest->setMiscRegNoEffect(MISCREG_FSR,
151 src->readMiscRegNoEffect(MISCREG_FSR));
126
152
127 //Strand Status Register
153 // Strand Status Register
128 dest->setMiscRegNoEffect(MISCREG_STRAND_STS_REG,
129 src->readMiscRegNoEffect(MISCREG_STRAND_STS_REG));
130
131 // MMU Registers
132 dest->setMiscRegNoEffect(MISCREG_MMU_P_CONTEXT,
133 src->readMiscRegNoEffect(MISCREG_MMU_P_CONTEXT));
134 dest->setMiscRegNoEffect(MISCREG_MMU_S_CONTEXT,
135 src->readMiscRegNoEffect(MISCREG_MMU_S_CONTEXT));
136 dest->setMiscRegNoEffect(MISCREG_MMU_PART_ID,
137 src->readMiscRegNoEffect(MISCREG_MMU_PART_ID));
138 dest->setMiscRegNoEffect(MISCREG_MMU_LSU_CTRL,
139 src->readMiscRegNoEffect(MISCREG_MMU_LSU_CTRL));
140
141 // Scratchpad Registers
142 dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R0,
143 src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R0));
144 dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R1,
145 src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R1));
146 dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R2,
147 src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R2));
148 dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R3,
149 src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R3));
150 dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R4,
151 src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R4));
152 dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R5,
153 src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R5));
154 dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R6,
155 src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R6));
156 dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R7,
157 src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R7));
158
159 // Queue Registers
160 dest->setMiscRegNoEffect(MISCREG_QUEUE_CPU_MONDO_HEAD,
161 src->readMiscRegNoEffect(MISCREG_QUEUE_CPU_MONDO_HEAD));
162 dest->setMiscRegNoEffect(MISCREG_QUEUE_CPU_MONDO_TAIL,
163 src->readMiscRegNoEffect(MISCREG_QUEUE_CPU_MONDO_TAIL));
164 dest->setMiscRegNoEffect(MISCREG_QUEUE_DEV_MONDO_HEAD,
165 src->readMiscRegNoEffect(MISCREG_QUEUE_DEV_MONDO_HEAD));
166 dest->setMiscRegNoEffect(MISCREG_QUEUE_DEV_MONDO_TAIL,
167 src->readMiscRegNoEffect(MISCREG_QUEUE_DEV_MONDO_TAIL));
168 dest->setMiscRegNoEffect(MISCREG_QUEUE_RES_ERROR_HEAD,
169 src->readMiscRegNoEffect(MISCREG_QUEUE_RES_ERROR_HEAD));
170 dest->setMiscRegNoEffect(MISCREG_QUEUE_RES_ERROR_TAIL,
171 src->readMiscRegNoEffect(MISCREG_QUEUE_RES_ERROR_TAIL));
172 dest->setMiscRegNoEffect(MISCREG_QUEUE_NRES_ERROR_HEAD,
173 src->readMiscRegNoEffect(MISCREG_QUEUE_NRES_ERROR_HEAD));
174 dest->setMiscRegNoEffect(MISCREG_QUEUE_NRES_ERROR_TAIL,
175 src->readMiscRegNoEffect(MISCREG_QUEUE_NRES_ERROR_TAIL));
176}
177
178void
179copyRegs(ThreadContext *src, ThreadContext *dest)
180{
154 dest->setMiscRegNoEffect(MISCREG_STRAND_STS_REG,
155 src->readMiscRegNoEffect(MISCREG_STRAND_STS_REG));
156
157 // MMU Registers
158 dest->setMiscRegNoEffect(MISCREG_MMU_P_CONTEXT,
159 src->readMiscRegNoEffect(MISCREG_MMU_P_CONTEXT));
160 dest->setMiscRegNoEffect(MISCREG_MMU_S_CONTEXT,
161 src->readMiscRegNoEffect(MISCREG_MMU_S_CONTEXT));
162 dest->setMiscRegNoEffect(MISCREG_MMU_PART_ID,
163 src->readMiscRegNoEffect(MISCREG_MMU_PART_ID));
164 dest->setMiscRegNoEffect(MISCREG_MMU_LSU_CTRL,
165 src->readMiscRegNoEffect(MISCREG_MMU_LSU_CTRL));
166
167 // Scratchpad Registers
168 dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R0,
169 src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R0));
170 dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R1,
171 src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R1));
172 dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R2,
173 src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R2));
174 dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R3,
175 src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R3));
176 dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R4,
177 src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R4));
178 dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R5,
179 src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R5));
180 dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R6,
181 src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R6));
182 dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R7,
183 src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R7));
184
185 // Queue Registers
186 dest->setMiscRegNoEffect(MISCREG_QUEUE_CPU_MONDO_HEAD,
187 src->readMiscRegNoEffect(MISCREG_QUEUE_CPU_MONDO_HEAD));
188 dest->setMiscRegNoEffect(MISCREG_QUEUE_CPU_MONDO_TAIL,
189 src->readMiscRegNoEffect(MISCREG_QUEUE_CPU_MONDO_TAIL));
190 dest->setMiscRegNoEffect(MISCREG_QUEUE_DEV_MONDO_HEAD,
191 src->readMiscRegNoEffect(MISCREG_QUEUE_DEV_MONDO_HEAD));
192 dest->setMiscRegNoEffect(MISCREG_QUEUE_DEV_MONDO_TAIL,
193 src->readMiscRegNoEffect(MISCREG_QUEUE_DEV_MONDO_TAIL));
194 dest->setMiscRegNoEffect(MISCREG_QUEUE_RES_ERROR_HEAD,
195 src->readMiscRegNoEffect(MISCREG_QUEUE_RES_ERROR_HEAD));
196 dest->setMiscRegNoEffect(MISCREG_QUEUE_RES_ERROR_TAIL,
197 src->readMiscRegNoEffect(MISCREG_QUEUE_RES_ERROR_TAIL));
198 dest->setMiscRegNoEffect(MISCREG_QUEUE_NRES_ERROR_HEAD,
199 src->readMiscRegNoEffect(MISCREG_QUEUE_NRES_ERROR_HEAD));
200 dest->setMiscRegNoEffect(MISCREG_QUEUE_NRES_ERROR_TAIL,
201 src->readMiscRegNoEffect(MISCREG_QUEUE_NRES_ERROR_TAIL));
202}
203
204void
205copyRegs(ThreadContext *src, ThreadContext *dest)
206{
181 //First loop through the integer registers.
207 // First loop through the integer registers.
182 int old_gl = src->readMiscRegNoEffect(MISCREG_GL);
183 int old_cwp = src->readMiscRegNoEffect(MISCREG_CWP);
208 int old_gl = src->readMiscRegNoEffect(MISCREG_GL);
209 int old_cwp = src->readMiscRegNoEffect(MISCREG_CWP);
184 //Globals
210 // Globals
185 for (int x = 0; x < MaxGL; ++x) {
186 src->setMiscReg(MISCREG_GL, x);
187 dest->setMiscReg(MISCREG_GL, x);
188 // Skip %g0 which is always zero.
189 for (int y = 1; y < 8; y++)
190 dest->setIntReg(y, src->readIntReg(y));
191 }
211 for (int x = 0; x < MaxGL; ++x) {
212 src->setMiscReg(MISCREG_GL, x);
213 dest->setMiscReg(MISCREG_GL, x);
214 // Skip %g0 which is always zero.
215 for (int y = 1; y < 8; y++)
216 dest->setIntReg(y, src->readIntReg(y));
217 }
192 //Locals and ins. Outs are all also ins.
218 // Locals and ins. Outs are all also ins.
193 for (int x = 0; x < NWindows; ++x) {
194 src->setMiscReg(MISCREG_CWP, x);
195 dest->setMiscReg(MISCREG_CWP, x);
196 for (int y = 16; y < 32; y++)
197 dest->setIntReg(y, src->readIntReg(y));
198 }
219 for (int x = 0; x < NWindows; ++x) {
220 src->setMiscReg(MISCREG_CWP, x);
221 dest->setMiscReg(MISCREG_CWP, x);
222 for (int y = 16; y < 32; y++)
223 dest->setIntReg(y, src->readIntReg(y));
224 }
199 //Microcode reg and pseudo int regs (misc regs in the integer regfile).
225 // Microcode reg and pseudo int regs (misc regs in the integer regfile).
200 for (int y = NumIntArchRegs; y < NumIntArchRegs + NumMicroIntRegs; ++y)
201 dest->setIntReg(y, src->readIntReg(y));
202
226 for (int y = NumIntArchRegs; y < NumIntArchRegs + NumMicroIntRegs; ++y)
227 dest->setIntReg(y, src->readIntReg(y));
228
203 //Restore src's GL, CWP
229 // Restore src's GL, CWP
204 src->setMiscReg(MISCREG_GL, old_gl);
205 src->setMiscReg(MISCREG_CWP, old_cwp);
206
207
208 // Then loop through the floating point registers.
209 for (int i = 0; i < SparcISA::NumFloatArchRegs; ++i) {
210 dest->setFloatRegBits(i, src->readFloatRegBits(i));
211 }
212
213 // Copy misc. registers
214 copyMiscRegs(src, dest);
215
216 // Lastly copy PC/NPC
217 dest->pcState(src->pcState());
218}
219
220void
221skipFunction(ThreadContext *tc)
222{
223 TheISA::PCState newPC = tc->pcState();
224 newPC.set(tc->readIntReg(ReturnAddressReg));
225 tc->pcState(newPC);
226}
227
228
229void
230initCPU(ThreadContext *tc, int cpuId)
231{
232 static Fault por = new PowerOnReset();
233 if (cpuId == 0)
234 por->invoke(tc);
235}
236
230 src->setMiscReg(MISCREG_GL, old_gl);
231 src->setMiscReg(MISCREG_CWP, old_cwp);
232
233
234 // Then loop through the floating point registers.
235 for (int i = 0; i < SparcISA::NumFloatArchRegs; ++i) {
236 dest->setFloatRegBits(i, src->readFloatRegBits(i));
237 }
238
239 // Copy misc. registers
240 copyMiscRegs(src, dest);
241
242 // Lastly copy PC/NPC
243 dest->pcState(src->pcState());
244}
245
246void
247skipFunction(ThreadContext *tc)
248{
249 TheISA::PCState newPC = tc->pcState();
250 newPC.set(tc->readIntReg(ReturnAddressReg));
251 tc->pcState(newPC);
252}
253
254
255void
256initCPU(ThreadContext *tc, int cpuId)
257{
258 static Fault por = new PowerOnReset();
259 if (cpuId == 0)
260 por->invoke(tc);
261}
262
237} //namespace SPARC_ISA
263} // namespace SPARC_ISA