ua2005.cc (3827:030cb88ad449) | ua2005.cc (3828:9444f62adb12) |
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1/* 2 * Copyright (c) 2006 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; --- 33 unchanged lines hidden (view full) --- 42{ 43 int64_t time; 44 switch (miscReg) { 45 /* Full system only ASRs */ 46 case MISCREG_SOFTINT: 47 // Check if we are going to interrupt because of something 48 setReg(miscReg, val); 49 tc->getCpuPtr()->checkInterrupts = true; | 1/* 2 * Copyright (c) 2006 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; --- 33 unchanged lines hidden (view full) --- 42{ 43 int64_t time; 44 switch (miscReg) { 45 /* Full system only ASRs */ 46 case MISCREG_SOFTINT: 47 // Check if we are going to interrupt because of something 48 setReg(miscReg, val); 49 tc->getCpuPtr()->checkInterrupts = true; |
50 warn("Writing to softint not really supported, writing: %#x\n", val); |
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50 break; 51 52 case MISCREG_SOFTINT_CLR: 53 return setRegWithEffect(miscReg, ~val & softint, tc); 54 case MISCREG_SOFTINT_SET: 55 return setRegWithEffect(miscReg, val | softint, tc); 56 57 case MISCREG_TICK_CMPR: 58 if (tickCompare == NULL) 59 tickCompare = new TickCompareEvent(this, tc); 60 setReg(miscReg, val); 61 if ((tick_cmpr & mask(63)) && tickCompare->scheduled()) 62 tickCompare->deschedule(); 63 time = (tick_cmpr & mask(63)) - (tick & mask(63)); 64 if (!(tick_cmpr & ~mask(63)) && time > 0) 65 tickCompare->schedule(time * tc->getCpuPtr()->cycles(1)); | 51 break; 52 53 case MISCREG_SOFTINT_CLR: 54 return setRegWithEffect(miscReg, ~val & softint, tc); 55 case MISCREG_SOFTINT_SET: 56 return setRegWithEffect(miscReg, val | softint, tc); 57 58 case MISCREG_TICK_CMPR: 59 if (tickCompare == NULL) 60 tickCompare = new TickCompareEvent(this, tc); 61 setReg(miscReg, val); 62 if ((tick_cmpr & mask(63)) && tickCompare->scheduled()) 63 tickCompare->deschedule(); 64 time = (tick_cmpr & mask(63)) - (tick & mask(63)); 65 if (!(tick_cmpr & ~mask(63)) && time > 0) 66 tickCompare->schedule(time * tc->getCpuPtr()->cycles(1)); |
67 warn ("writing to TICK compare register %#X\n", val); |
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66 break; 67 68 case MISCREG_STICK_CMPR: 69 if (sTickCompare == NULL) 70 sTickCompare = new STickCompareEvent(this, tc); 71 setReg(miscReg, val); 72 if ((stick_cmpr & mask(63)) && sTickCompare->scheduled()) 73 sTickCompare->deschedule(); 74 time = (stick_cmpr & mask(63)) - (stick & mask(63)); 75 if (!(stick_cmpr & ~mask(63)) && time > 0) 76 sTickCompare->schedule(time * tc->getCpuPtr()->cycles(1)); | 68 break; 69 70 case MISCREG_STICK_CMPR: 71 if (sTickCompare == NULL) 72 sTickCompare = new STickCompareEvent(this, tc); 73 setReg(miscReg, val); 74 if ((stick_cmpr & mask(63)) && sTickCompare->scheduled()) 75 sTickCompare->deschedule(); 76 time = (stick_cmpr & mask(63)) - (stick & mask(63)); 77 if (!(stick_cmpr & ~mask(63)) && time > 0) 78 sTickCompare->schedule(time * tc->getCpuPtr()->cycles(1)); |
79 warn ("writing to sTICK compare register value %#X\n", val); |
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77 break; 78 79 case MISCREG_PSTATE: 80 if (val & ie && !(pstate & ie)) { 81 tc->getCpuPtr()->checkInterrupts = true; 82 } 83 setReg(miscReg, val); 84 --- 7 unchanged lines hidden (view full) --- 92 case MISCREG_HVER: 93 panic("Shouldn't be writing HVER\n"); 94 95 case MISCREG_HTBA: 96 // clear lower 7 bits on writes. 97 setReg(miscReg, val & ULL(~0x7FFF)); 98 break; 99 | 80 break; 81 82 case MISCREG_PSTATE: 83 if (val & ie && !(pstate & ie)) { 84 tc->getCpuPtr()->checkInterrupts = true; 85 } 86 setReg(miscReg, val); 87 --- 7 unchanged lines hidden (view full) --- 95 case MISCREG_HVER: 96 panic("Shouldn't be writing HVER\n"); 97 98 case MISCREG_HTBA: 99 // clear lower 7 bits on writes. 100 setReg(miscReg, val & ULL(~0x7FFF)); 101 break; 102 |
103 case MISCREG_QUEUE_CPU_MONDO_HEAD: 104 case MISCREG_QUEUE_CPU_MONDO_TAIL: 105 case MISCREG_QUEUE_DEV_MONDO_HEAD: 106 case MISCREG_QUEUE_DEV_MONDO_TAIL: 107 case MISCREG_QUEUE_RES_ERROR_HEAD: 108 case MISCREG_QUEUE_RES_ERROR_TAIL: 109 case MISCREG_QUEUE_NRES_ERROR_HEAD: 110 case MISCREG_QUEUE_NRES_ERROR_TAIL: 111 setReg(miscReg, val); 112 tc->getCpuPtr()->checkInterrupts = true; 113 break; 114 |
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100 case MISCREG_HSTICK_CMPR: 101 if (hSTickCompare == NULL) 102 hSTickCompare = new HSTickCompareEvent(this, tc); 103 setReg(miscReg, val); 104 if ((hstick_cmpr & mask(63)) && hSTickCompare->scheduled()) | 115 case MISCREG_HSTICK_CMPR: 116 if (hSTickCompare == NULL) 117 hSTickCompare = new HSTickCompareEvent(this, tc); 118 setReg(miscReg, val); 119 if ((hstick_cmpr & mask(63)) && hSTickCompare->scheduled()) |
105 hSTickCompare->deschedule(); | 120 hSTickCompare->deschedule(); |
106 time = (hstick_cmpr & mask(63)) - (stick & mask(63)); 107 if (!(hstick_cmpr & ~mask(63)) && time > 0) 108 hSTickCompare->schedule(time * tc->getCpuPtr()->cycles(1)); | 121 time = (hstick_cmpr & mask(63)) - (stick & mask(63)); 122 if (!(hstick_cmpr & ~mask(63)) && time > 0) 123 hSTickCompare->schedule(time * tc->getCpuPtr()->cycles(1)); |
124 warn ("writing to hsTICK compare register value %#X\n", val); |
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109 break; 110 111 case MISCREG_HPSTATE: 112 // T1000 spec says impl. dependent val must always be 1 113 setReg(miscReg, val | id); 114 115 case MISCREG_HTSTATE: 116 case MISCREG_STRAND_STS_REG: --- 4 unchanged lines hidden (view full) --- 121 panic("Invalid write to FS misc register %s\n", getMiscRegName(miscReg)); 122 } 123} 124 125MiscReg 126MiscRegFile::readFSRegWithEffect(int miscReg, ThreadContext * tc) 127{ 128 switch (miscReg) { | 125 break; 126 127 case MISCREG_HPSTATE: 128 // T1000 spec says impl. dependent val must always be 1 129 setReg(miscReg, val | id); 130 131 case MISCREG_HTSTATE: 132 case MISCREG_STRAND_STS_REG: --- 4 unchanged lines hidden (view full) --- 137 panic("Invalid write to FS misc register %s\n", getMiscRegName(miscReg)); 138 } 139} 140 141MiscReg 142MiscRegFile::readFSRegWithEffect(int miscReg, ThreadContext * tc) 143{ 144 switch (miscReg) { |
145 /* Privileged registers. */ 146 case MISCREG_QUEUE_CPU_MONDO_HEAD: 147 case MISCREG_QUEUE_CPU_MONDO_TAIL: 148 case MISCREG_QUEUE_DEV_MONDO_HEAD: 149 case MISCREG_QUEUE_DEV_MONDO_TAIL: 150 case MISCREG_QUEUE_RES_ERROR_HEAD: 151 case MISCREG_QUEUE_RES_ERROR_TAIL: 152 case MISCREG_QUEUE_NRES_ERROR_HEAD: 153 case MISCREG_QUEUE_NRES_ERROR_TAIL: 154 case MISCREG_SOFTINT: 155 case MISCREG_TICK_CMPR: 156 case MISCREG_STICK_CMPR: 157 case MISCREG_PIL: 158 case MISCREG_HPSTATE: 159 case MISCREG_HINTP: 160 case MISCREG_HTSTATE: 161 case MISCREG_STRAND_STS_REG: 162 case MISCREG_HSTICK_CMPR: 163 return readReg(miscReg) ; |
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129 | 164 |
130 /* Privileged registers. */ 131 case MISCREG_SOFTINT: 132 case MISCREG_TICK_CMPR: 133 case MISCREG_STICK_CMPR: 134 case MISCREG_PIL: 135 case MISCREG_HPSTATE: 136 case MISCREG_HINTP: 137 case MISCREG_HTSTATE: 138 case MISCREG_STRAND_STS_REG: 139 case MISCREG_HSTICK_CMPR: 140 return readReg(miscReg) ; | 165 case MISCREG_HTBA: 166 return readReg(miscReg) & ULL(~0x7FFF); 167 case MISCREG_HVER: 168 return NWindows | MaxTL << 8 | MaxGL << 16; |
141 | 169 |
142 case MISCREG_HTBA: 143 return readReg(miscReg) & ULL(~0x7FFF); 144 case MISCREG_HVER: 145 return NWindows | MaxTL << 8 | MaxGL << 16; 146 147 default: 148 panic("Invalid read to FS misc register\n"); | 170 default: 171 panic("Invalid read to FS misc register\n"); |
149 } 150} 151/* 152 In Niagra STICK==TICK so this isn't needed 153 case MISCREG_STICK: 154 SparcSystem *sys; 155 sys = dynamic_cast<SparcSystem*>(tc->getSystemPtr()); 156 assert(sys != NULL); --- 23 unchanged lines hidden --- | 172 } 173} 174/* 175 In Niagra STICK==TICK so this isn't needed 176 case MISCREG_STICK: 177 SparcSystem *sys; 178 sys = dynamic_cast<SparcSystem*>(tc->getSystemPtr()); 179 assert(sys != NULL); --- 23 unchanged lines hidden --- |