interrupts.hh (5810:606de5b3d116) interrupts.hh (6227:a17798f2a52c)
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;

--- 125 unchanged lines hidden (view full) ---

134 checkInterrupts(ThreadContext *tc) const
135 {
136 return (intstatus != 0) && !(tc->readPC() & 0x3);
137 }
138
139 Fault
140 getInterrupt(ThreadContext *tc)
141 {
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;

--- 125 unchanged lines hidden (view full) ---

134 checkInterrupts(ThreadContext *tc) const
135 {
136 return (intstatus != 0) && !(tc->readPC() & 0x3);
137 }
138
139 Fault
140 getInterrupt(ThreadContext *tc)
141 {
142 int ipl = 0;
143 int summary = 0;
142 uint64_t ipl = 0;
143 uint64_t summary = 0;
144
145 if (tc->readMiscRegNoEffect(IPR_ASTRR))
146 panic("asynchronous traps not implemented\n");
147
148 if (tc->readMiscRegNoEffect(IPR_SIRR)) {
144
145 if (tc->readMiscRegNoEffect(IPR_ASTRR))
146 panic("asynchronous traps not implemented\n");
147
148 if (tc->readMiscRegNoEffect(IPR_SIRR)) {
149 for (int i = INTLEVEL_SOFTWARE_MIN;
149 for (uint64_t i = INTLEVEL_SOFTWARE_MIN;
150 i < INTLEVEL_SOFTWARE_MAX; i++) {
151 if (tc->readMiscRegNoEffect(IPR_SIRR) & (ULL(1) << i)) {
152 // See table 4-19 of 21164 hardware reference
153 ipl = (i - INTLEVEL_SOFTWARE_MIN) + 1;
154 summary |= (ULL(1) << i);
155 }
156 }
157 }
158
159 uint64_t interrupts = intstatus;
160 if (interrupts) {
150 i < INTLEVEL_SOFTWARE_MAX; i++) {
151 if (tc->readMiscRegNoEffect(IPR_SIRR) & (ULL(1) << i)) {
152 // See table 4-19 of 21164 hardware reference
153 ipl = (i - INTLEVEL_SOFTWARE_MIN) + 1;
154 summary |= (ULL(1) << i);
155 }
156 }
157 }
158
159 uint64_t interrupts = intstatus;
160 if (interrupts) {
161 for (int i = INTLEVEL_EXTERNAL_MIN;
161 for (uint64_t i = INTLEVEL_EXTERNAL_MIN;
162 i < INTLEVEL_EXTERNAL_MAX; i++) {
163 if (interrupts & (ULL(1) << i)) {
164 // See table 4-19 of 21164 hardware reference
165 ipl = i;
166 summary |= (ULL(1) << i);
167 }
168 }
169 }

--- 28 unchanged lines hidden --- 		162 i < INTLEVEL_EXTERNAL_MAX; i++) {
163 if (interrupts & (ULL(1) << i)) {
164 // See table 4-19 of 21164 hardware reference
165 ipl = i;
166 summary |= (ULL(1) << i);
167 }
168 }
169 }

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