| 1 | // ========== Copyright Header Begin ========================================== |
| 2 | // |
| 3 | // OpenSPARC T2 Processor File: piu_dr.cc |
| 4 | // Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. |
| 5 | // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. |
| 6 | // |
| 7 | // The above named program is free software; you can redistribute it and/or |
| 8 | // modify it under the terms of the GNU General Public |
| 9 | // License version 2 as published by the Free Software Foundation. |
| 10 | // |
| 11 | // The above named program is distributed in the hope that it will be |
| 12 | // useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | // General Public License for more details. |
| 15 | // |
| 16 | // You should have received a copy of the GNU General Public |
| 17 | // License along with this work; if not, write to the Free Software |
| 18 | // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. |
| 19 | // |
| 20 | // ========== Copyright Header End ============================================ |
| 21 | #include <sam_piu.h> |
| 22 | |
| 23 | extern pcie_csr_desc_t pcie_csrs[]; |
| 24 | |
| 25 | bool samPiu::dump(FILE * fp){ |
| 26 | |
| 27 | const char * m1 = "-----PIU CSRs----\n"; |
| 28 | fwrite(m1,strlen(m1),1,fp); |
| 29 | // dump the csrs |
| 30 | dump_piu_csrs(fp); |
| 31 | |
| 32 | const char * m2 = "-----PIU pending interrupts----\n"; |
| 33 | fwrite(m2,strlen(m2),1,fp); |
| 34 | // dump the intr lists |
| 35 | dump_intr(fp); |
| 36 | |
| 37 | const char * m3 = "-----PIU nacked interrupt----\n"; |
| 38 | fwrite(m3,strlen(m3),1,fp); |
| 39 | // dump the IRQ and time |
| 40 | dump_irq(fp); |
| 41 | return true; |
| 42 | } |
| 43 | |
| 44 | void samPiu::dump_irq(FILE * fp){ |
| 45 | fprintf(fp,"next_event_fire_time %llx\n",event_fire_time); |
| 46 | if(irql.empty()){ |
| 47 | fprintf(fp,"no_nacked_irq\n"); |
| 48 | return; |
| 49 | } |
| 50 | |
| 51 | fprintf(fp,"Num Irq's %d\n",irql.size()); |
| 52 | list <VCPU_InterruptRequest* >::iterator it; |
| 53 | for(it = irql.begin(); it != irql.end(); it++){ |
| 54 | fprintf(fp,"itid %d\n",(*it)->itid); |
| 55 | fprintf(fp,"isid %d\n",(*it)->isid); |
| 56 | fprintf(fp,"data0 %llx\n",(*it)->data[0]); |
| 57 | fprintf(fp,"data1 %llx\n",(*it)->data[1]); |
| 58 | } |
| 59 | fflush(fp); |
| 60 | return; |
| 61 | } |
| 62 | |
| 63 | |
| 64 | void samPiu::dump_piu_csrs(FILE * fp){ |
| 65 | const int bufsize = 64 * 1024; |
| 66 | char buf[bufsize]; |
| 67 | uint64_t *csrs = (uint64_t *)&piuModel.csrs; |
| 68 | |
| 69 | for(int i = 0; i < NUM_PCIE_CSRS; i++){ |
| 70 | sprintf(buf,"%-80s0x%-16llx ",pcie_csrs[i].name,pcie_csrs[i].offset); |
| 71 | int index = pcie_csrs[i].regx; |
| 72 | for(int j = 0; j < pcie_csrs[i].nwords; j++){ |
| 73 | char val[128]; |
| 74 | sprintf(val,"0x%x 0x%016llx,",j,csrs[index+j]); |
| 75 | strcat(buf,val); |
| 76 | } |
| 77 | fwrite(buf,strlen(buf),1,fp); |
| 78 | fwrite("\n",strlen("\n"),1,fp); |
| 79 | } |
| 80 | fflush(fp); |
| 81 | return; |
| 82 | } |
| 83 | |
| 84 | void samPiu::dump_intr(FILE * fp){ |
| 85 | const int bufsize = 64 * 1024; |
| 86 | char buf[bufsize]; |
| 87 | char tbuf[bufsize]; |
| 88 | |
| 89 | for(int i = 0; i < 4; i++){ |
| 90 | sprintf(buf,"Int%c ",'A' + i); |
| 91 | list<int>::iterator listIt; |
| 92 | tbuf[0] = 0; |
| 93 | for(listIt = intLine[i].begin(); listIt != intLine[i].end(); listIt++){ |
| 94 | sprintf(tbuf,"0x%x ",*listIt); |
| 95 | strcat(buf,tbuf); |
| 96 | } |
| 97 | fwrite(buf,strlen(buf),1,fp); |
| 98 | fwrite("\n",strlen("\n"),1,fp); |
| 99 | } |
| 100 | |
| 101 | buf[0] = 0; |
| 102 | for(int i = 0; i < 64; i++){ |
| 103 | sprintf(tbuf,"%d,",pendingIntr[i]); |
| 104 | strcat(buf,tbuf); |
| 105 | } |
| 106 | |
| 107 | fwrite(buf,strlen(buf),1,fp); |
| 108 | fwrite("\n",strlen("\n"),1,fp); |
| 109 | |
| 110 | fflush(fp); |
| 111 | return; |
| 112 | } |
| 113 | |
| 114 | bool samPiu::restore(FILE *fp){ |
| 115 | const int bufsize = 64 * 1024; |
| 116 | char buf[bufsize]; |
| 117 | |
| 118 | fgets(buf,bufsize,fp); |
| 119 | restore_piu_csrs(fp); |
| 120 | |
| 121 | fgets(buf,bufsize,fp); |
| 122 | restore_intr(fp); |
| 123 | |
| 124 | fgets(buf,bufsize,fp); |
| 125 | restore_irq(fp); |
| 126 | return true; |
| 127 | } |
| 128 | |
| 129 | void samPiu::restore_irq(FILE * fp){ |
| 130 | char buf[1024]; |
| 131 | |
| 132 | fgets(buf,1024,fp); |
| 133 | sscanf(buf,"next_event_fire_time %llx\n",&event_fire_time); |
| 134 | mmi_register_event(event_fire_time,samPiu_1ms_callback,(void*)this,0); |
| 135 | |
| 136 | fgets(buf,1024,fp); |
| 137 | if(!strcmp("no_nacked_irq\n",buf)) |
| 138 | return; |
| 139 | |
| 140 | int size; |
| 141 | sscanf(buf,"Num Irq's %d\n",&size); |
| 142 | |
| 143 | for(int i = 0 ; i < size; i++){ |
| 144 | VCPU_InterruptRequest *ir = new VCPU_InterruptRequest; |
| 145 | fgets(buf,1024,fp); |
| 146 | sscanf(buf,"itid %d\n",&ir->itid); |
| 147 | fgets(buf,1024,fp); |
| 148 | sscanf(buf,"isid %d\n",&ir->isid); |
| 149 | fgets(buf,1024,fp); |
| 150 | sscanf(buf,"data0 %llx\n",&ir->data[0]); |
| 151 | fgets(buf,1024,fp); |
| 152 | sscanf(buf,"data1 %llx\n",&ir->data[1]); |
| 153 | irql.push_back(ir); |
| 154 | } |
| 155 | |
| 156 | return; |
| 157 | } |
| 158 | |
| 159 | void samPiu::restore_piu_csrs(FILE * fp){ |
| 160 | const int bufsize = 64 * 1024; |
| 161 | char buf[bufsize]; |
| 162 | uint64_t *csrs = (uint64_t *)&piuModel.csrs; |
| 163 | |
| 164 | for(int i = 0; i < NUM_PCIE_CSRS; i++){ |
| 165 | fgets(buf,bufsize,fp); |
| 166 | strtok(buf," "); // csr name, ignore |
| 167 | const char * csr_offset = strtok(0," "); // csr offset |
| 168 | uint64_t offset = strtoull(csr_offset,0,0); |
| 169 | |
| 170 | int regx; |
| 171 | pcie_csr_t index = piu_offset2reg(offset, ®x); |
| 172 | |
| 173 | for(int j = 0; j < pcie_csrs[index].nwords; j++){ |
| 174 | strtok(0," "); // index, ignore |
| 175 | const char * csr_val = strtok(0,","); |
| 176 | uint64_t val = strtoull(csr_val,0,0); |
| 177 | csrs[regx] = val; |
| 178 | regx++; |
| 179 | } |
| 180 | } |
| 181 | |
| 182 | // set the bus/device/function etc |
| 183 | int i; |
| 184 | piu_offset2reg( PIU_CSR_BASE + PIU_DMU_PCIE_CONFREG_OFFSET , &i); |
| 185 | |
| 186 | secondary_bus_no = (csrs[i]) >> 24 & 0xff; |
| 187 | primary_bus_no = (csrs[i]) >> 8 & 0xff; |
| 188 | device = (csrs[i]) >> 3 & 0x1f; |
| 189 | function = (csrs[i]) & 0x7; |
| 190 | |
| 191 | return; |
| 192 | } |
| 193 | |
| 194 | void samPiu::restore_intr(FILE * fp){ |
| 195 | const int bufsize = 64 * 1024; |
| 196 | char buf[bufsize]; |
| 197 | |
| 198 | for(int i = 0; i < 4; i++){ |
| 199 | fgets(buf,bufsize,fp); |
| 200 | strtok(buf," "); // intr line number, ignore |
| 201 | const char * bus_val; |
| 202 | while( bus_val = strtok(0," ") ){ |
| 203 | if(bus_val[0] == '\n') |
| 204 | break; |
| 205 | uint64_t val = strtoull(bus_val,0,0); |
| 206 | setIntx(val,i,true); |
| 207 | } |
| 208 | } |
| 209 | |
| 210 | fgets(buf,bufsize,fp); |
| 211 | const char * intr_val = strtok(buf,","); |
| 212 | pendingIntr[0] = atoi(intr_val); |
| 213 | |
| 214 | for(int i = 1; i < 64; i++){ |
| 215 | intr_val = strtok(0,","); |
| 216 | pendingIntr[i] = atoi(intr_val); |
| 217 | } |
| 218 | |
| 219 | return; |
| 220 | } |
| 221 | |
| 222 | |