utility.cc (6329:5d8b91875859) utility.cc (6337:cac56cd6b015)
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;

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96 dest->setMiscRegNoEffect(MISCREG_STICK, src->readMiscRegNoEffect(MISCREG_STICK));
97 dest->setMiscRegNoEffect(MISCREG_STICK_CMPR, src->readMiscRegNoEffect(MISCREG_STICK_CMPR));
98
99 // Priv Registers
100 dest->setMiscRegNoEffect(MISCREG_TICK, src->readMiscRegNoEffect(MISCREG_TICK));
101 dest->setMiscRegNoEffect(MISCREG_TBA, src->readMiscRegNoEffect(MISCREG_TBA));
102 dest->setMiscRegNoEffect(MISCREG_PSTATE, src->readMiscRegNoEffect(MISCREG_PSTATE));
103 dest->setMiscRegNoEffect(MISCREG_PIL, src->readMiscRegNoEffect(MISCREG_PIL));
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;

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96 dest->setMiscRegNoEffect(MISCREG_STICK, src->readMiscRegNoEffect(MISCREG_STICK));
97 dest->setMiscRegNoEffect(MISCREG_STICK_CMPR, src->readMiscRegNoEffect(MISCREG_STICK_CMPR));
98
99 // Priv Registers
100 dest->setMiscRegNoEffect(MISCREG_TICK, src->readMiscRegNoEffect(MISCREG_TICK));
101 dest->setMiscRegNoEffect(MISCREG_TBA, src->readMiscRegNoEffect(MISCREG_TBA));
102 dest->setMiscRegNoEffect(MISCREG_PSTATE, src->readMiscRegNoEffect(MISCREG_PSTATE));
103 dest->setMiscRegNoEffect(MISCREG_PIL, src->readMiscRegNoEffect(MISCREG_PIL));
104 dest->setMiscRegNoEffect(MISCREG_CWP, src->readMiscRegNoEffect(MISCREG_CWP));
104 dest->setMiscReg(MISCREG_CWP, src->readMiscRegNoEffect(MISCREG_CWP));
105// dest->setMiscRegNoEffect(MISCREG_CANSAVE, src->readMiscRegNoEffect(MISCREG_CANSAVE));
106// dest->setMiscRegNoEffect(MISCREG_CANRESTORE, src->readMiscRegNoEffect(MISCREG_CANRESTORE));
107// dest->setMiscRegNoEffect(MISCREG_OTHERWIN, src->readMiscRegNoEffect(MISCREG_OTHERWIN));
108// dest->setMiscRegNoEffect(MISCREG_CLEANWIN, src->readMiscRegNoEffect(MISCREG_CLEANWIN));
109// dest->setMiscRegNoEffect(MISCREG_WSTATE, src->readMiscRegNoEffect(MISCREG_WSTATE));
105// dest->setMiscRegNoEffect(MISCREG_CANSAVE, src->readMiscRegNoEffect(MISCREG_CANSAVE));
106// dest->setMiscRegNoEffect(MISCREG_CANRESTORE, src->readMiscRegNoEffect(MISCREG_CANRESTORE));
107// dest->setMiscRegNoEffect(MISCREG_OTHERWIN, src->readMiscRegNoEffect(MISCREG_OTHERWIN));
108// dest->setMiscRegNoEffect(MISCREG_CLEANWIN, src->readMiscRegNoEffect(MISCREG_CLEANWIN));
109// dest->setMiscRegNoEffect(MISCREG_WSTATE, src->readMiscRegNoEffect(MISCREG_WSTATE));
110 dest->setMiscRegNoEffect(MISCREG_GL, src->readMiscRegNoEffect(MISCREG_GL));
110 dest->setMiscReg(MISCREG_GL, src->readMiscRegNoEffect(MISCREG_GL));
111
112 // Hyperprivilged registers
113 dest->setMiscRegNoEffect(MISCREG_HPSTATE, src->readMiscRegNoEffect(MISCREG_HPSTATE));
114 dest->setMiscRegNoEffect(MISCREG_HINTP, src->readMiscRegNoEffect(MISCREG_HINTP));
115 dest->setMiscRegNoEffect(MISCREG_HTBA, src->readMiscRegNoEffect(MISCREG_HTBA));
116 dest->setMiscRegNoEffect(MISCREG_STRAND_STS_REG,
117 src->readMiscRegNoEffect(MISCREG_STRAND_STS_REG));
118 dest->setMiscRegNoEffect(MISCREG_HSTICK_CMPR,

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175void
176copyRegs(ThreadContext *src, ThreadContext *dest)
177{
178 //First loop through the integer registers.
179 int old_gl = src->readMiscRegNoEffect(MISCREG_GL);
180 int old_cwp = src->readMiscRegNoEffect(MISCREG_CWP);
181 //Globals
182 for (int x = 0; x < MaxGL; ++x) {
111
112 // Hyperprivilged registers
113 dest->setMiscRegNoEffect(MISCREG_HPSTATE, src->readMiscRegNoEffect(MISCREG_HPSTATE));
114 dest->setMiscRegNoEffect(MISCREG_HINTP, src->readMiscRegNoEffect(MISCREG_HINTP));
115 dest->setMiscRegNoEffect(MISCREG_HTBA, src->readMiscRegNoEffect(MISCREG_HTBA));
116 dest->setMiscRegNoEffect(MISCREG_STRAND_STS_REG,
117 src->readMiscRegNoEffect(MISCREG_STRAND_STS_REG));
118 dest->setMiscRegNoEffect(MISCREG_HSTICK_CMPR,

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175void
176copyRegs(ThreadContext *src, ThreadContext *dest)
177{
178 //First loop through the integer registers.
179 int old_gl = src->readMiscRegNoEffect(MISCREG_GL);
180 int old_cwp = src->readMiscRegNoEffect(MISCREG_CWP);
181 //Globals
182 for (int x = 0; x < MaxGL; ++x) {
183 src->setMiscRegNoEffect(MISCREG_GL, x);
184 dest->setMiscRegNoEffect(MISCREG_GL, x);
183 src->setMiscReg(MISCREG_GL, x);
184 dest->setMiscReg(MISCREG_GL, x);
185 // Skip %g0 which is always zero.
186 for (int y = 1; y < 8; y++)
187 dest->setIntReg(y, src->readIntReg(y));
188 }
189 //Locals and ins. Outs are all also ins.
190 for (int x = 0; x < NWindows; ++x) {
185 // Skip %g0 which is always zero.
186 for (int y = 1; y < 8; y++)
187 dest->setIntReg(y, src->readIntReg(y));
188 }
189 //Locals and ins. Outs are all also ins.
190 for (int x = 0; x < NWindows; ++x) {
191 src->setMiscRegNoEffect(MISCREG_CWP, x);
192 dest->setMiscRegNoEffect(MISCREG_CWP, x);
191 src->setMiscReg(MISCREG_CWP, x);
192 dest->setMiscReg(MISCREG_CWP, x);
193 for (int y = 16; y < 32; y++)
194 dest->setIntReg(y, src->readIntReg(y));
195 }
196 //Microcode reg and pseudo int regs (misc regs in the integer regfile).
197 for (int y = NumIntArchRegs; y < NumIntArchRegs + NumMicroIntRegs; ++y)
198 dest->setIntReg(y, src->readIntReg(y));
199
200 //Restore src's GL, CWP
193 for (int y = 16; y < 32; y++)
194 dest->setIntReg(y, src->readIntReg(y));
195 }
196 //Microcode reg and pseudo int regs (misc regs in the integer regfile).
197 for (int y = NumIntArchRegs; y < NumIntArchRegs + NumMicroIntRegs; ++y)
198 dest->setIntReg(y, src->readIntReg(y));
199
200 //Restore src's GL, CWP
201 src->setMiscRegNoEffect(MISCREG_GL, old_gl);
202 src->setMiscRegNoEffect(MISCREG_CWP, old_cwp);
201 src->setMiscReg(MISCREG_GL, old_gl);
202 src->setMiscReg(MISCREG_CWP, old_cwp);
203
204
205 // Then loop through the floating point registers.
206 for (int i = 0; i < SparcISA::NumFloatArchRegs; ++i) {
207 dest->setFloatRegBits(i, src->readFloatRegBits(i));
208 }
209
210 // Copy misc. registers
211 copyMiscRegs(src, dest);
212
213
214 // Lastly copy PC/NPC
215 dest->setPC(src->readPC());
216 dest->setNextPC(src->readNextPC());
217 dest->setNextNPC(src->readNextNPC());
218}
219} //namespace SPARC_ISA
203
204
205 // Then loop through the floating point registers.
206 for (int i = 0; i < SparcISA::NumFloatArchRegs; ++i) {
207 dest->setFloatRegBits(i, src->readFloatRegBits(i));
208 }
209
210 // Copy misc. registers
211 copyMiscRegs(src, dest);
212
213
214 // Lastly copy PC/NPC
215 dest->setPC(src->readPC());
216 dest->setNextPC(src->readNextPC());
217 dest->setNextNPC(src->readNextNPC());
218}
219} //namespace SPARC_ISA