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1 | // ========== Copyright Header Begin ========================================== |
2 | // | |
3 | // OpenSPARC T2 Processor File: SS_VirtualStrand.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 | ||
22 | #include "SS_VirtualStrand.h" | |
23 | #include "SS_Tlb.h" | |
24 | ||
25 | ||
26 | SS_VirtualStrand::SS_VirtualStrand() | |
27 | : | |
28 | strand(0), | |
29 | tracer(this) | |
30 | {} | |
31 | ||
32 | int SS_VirtualStrand ::interrupt( Sam::VCPU_InterruptRequest* p) | |
33 | { | |
34 | bool raise = p->isid & 1; // uses this, N2 ignores it ... | |
35 | (*strand->external_interrupt)(strand,p->data,raise); | |
36 | return 0; | |
37 | } | |
38 | ||
39 | ||
40 | ||
41 | int SS_VirtualStrand ::read_mem ( uint64_t addr, uint64_t *value, int size, int asi, int is_physical ) | |
42 | { | |
43 | uint64_t paddr = addr; | |
44 | ||
45 | if ( !is_physical ) | |
46 | { | |
47 | paddr = strand->va2pa(addr); | |
48 | ||
49 | if (paddr == 0) | |
50 | return 1; | |
51 | } | |
52 | ||
53 | *value = this->sys_intf.mem->ld64(paddr); | |
54 | return 0; | |
55 | } | |
56 | ||
57 | int SS_VirtualStrand ::write_mem ( uint64_t addr, uint64_t value, int size, int asi, int is_physical ) | |
58 | { | |
59 | uint64_t paddr = addr; | |
60 | ||
61 | if ( !is_physical ) | |
62 | { | |
63 | paddr = strand->va2pa(addr); | |
64 | ||
65 | if (paddr == 0) | |
66 | return 1; | |
67 | } | |
68 | ||
69 | this->sys_intf.mem->st64 ( paddr, value); | |
70 | return 0; | |
71 | } | |
72 | ||
73 | ||
74 | int SS_VirtualStrand ::set_breakpoint ( int *bp_id, Sam::VCPU_BpType type, uint64_t value, Sam::VCPU_BpActionFn action, uint64_t mask) | |
75 | { | |
76 | switch (type) | |
77 | { | |
78 | case Sam::VCPU_BP_INSTR_ADDR: | |
79 | *bp_id = strand->break_on_inst_va( value ); | |
80 | return 0; | |
81 | case Sam::VCPU_BP_TRAP: | |
82 | *bp_id = strand->break_on_trap( value ); | |
83 | return 0; | |
84 | case Sam::VCPU_BP_RED: | |
85 | *bp_id = strand->break_on_red_mode(); | |
86 | return 0; | |
87 | default: | |
88 | return 1; | |
89 | } | |
90 | } | |
91 | ||
92 | ||
93 | // remove breakpoint bp_id | |
94 | int SS_VirtualStrand ::delete_breakpoint ( int bp_id ) | |
95 | { | |
96 | SS_BreakPoint* bp = strand->break_points; | |
97 | ||
98 | if (bp==NULL) | |
99 | return 1; // there is no breakpoint set | |
100 | ||
101 | if(bp_id == ~(0)) | |
102 | { | |
103 | // remove all breakpoints | |
104 | while (bp) | |
105 | { | |
106 | int id = bp->id; | |
107 | bp = bp->next; | |
108 | strand->break_delete(id); | |
109 | } | |
110 | return 0; | |
111 | } | |
112 | else // remove bp_id | |
113 | { | |
114 | return strand->break_delete(bp_id); | |
115 | } | |
116 | } | |
117 | ||
118 | ||
119 | // print breakpoint list | |
120 | int SS_VirtualStrand ::print_breakpoints ( FILE *fp ) | |
121 | { | |
122 | SS_BreakPoint* bp = strand->break_points; | |
123 | ||
124 | if (bp==NULL) | |
125 | { | |
126 | fprintf(fp, "No breakpoints set for cpu[%i] \n", strand->strand_id()); | |
127 | } | |
128 | else for (; bp; bp = bp->next) | |
129 | { | |
130 | fprintf(fp, "cpu[%i] : bp_id = %i : value = 0x%llx : type = %i \n", | |
131 | strand->strand_id(), bp->id, bp->va, bp->type); | |
132 | } | |
133 | ||
134 | return 0; | |
135 | } | |
136 | ||
137 | ||
138 | // output all valid tlb entries | |
139 | int SS_VirtualStrand ::print_tlbs (FILE *fp) | |
140 | { | |
141 | SS_Tlb* itlb = strand->inst_tlb; | |
142 | SS_Tlb* dtlb = strand->data_tlb; | |
143 | ||
144 | fprintf(fp,"%s entries\n", itlb==dtlb ? "UTLB" : "ITLB"); | |
145 | itlb->dump(fp); | |
146 | ||
147 | if (dtlb != itlb) | |
148 | { | |
149 | fprintf(fp,"DTLB entries\n"); | |
150 | dtlb->dump(fp); | |
151 | } | |
152 | ||
153 | return 0; | |
154 | } | |
155 | ||
156 | ||
157 | ||
158 | int SS_VirtualStrand::get_tlb_entries(Sam::VCPU_TLB * &return_array) | |
159 | { | |
160 | SS_Tlb * itlb = strand->inst_tlb; | |
161 | SS_Tlb * dtlb = strand->data_tlb; | |
162 | ||
163 | int count = itlb->size(); | |
164 | if (itlb != dtlb) { | |
165 | count += dtlb->size(); | |
166 | } | |
167 | return_array = new Sam::VCPU_TLB [count]; | |
168 | memset(return_array, 0, count*sizeof(Sam::VCPU_TLB)); | |
169 | ||
170 | int idx = 0; | |
171 | int i; | |
172 | for (i=0; i<itlb->size(); i++) { | |
173 | SS_Tte * tte = itlb->get(i); | |
174 | Sam::VCPU_TLB & tlb_rec = return_array[idx]; | |
175 | ||
176 | tlb_rec.format = 1; // sun4u | |
177 | // IMPORTANT: the caller must fill in the tlb_rec.cpuid field before tracing | |
178 | tlb_rec.demap = 0; | |
179 | tlb_rec.tlb_type = (itlb==dtlb)? 2: 0; // itlb/unified | |
180 | tlb_rec.tlb_index = i; | |
181 | tlb_rec.tlb_no = itlb->tlb_id(); | |
182 | ||
183 | tlb_rec.tte_tag = tte->tag(); | |
184 | ||
185 | // data: v:63 nfo:62 taddr: 55-13 ie:12 e:11 cp:10 cv:9 p:8 ep:7 w:6 sz:3-0 | |
186 | tlb_rec.tte_data = tte->taddr() & (0x7ffffffffull << 13); | |
187 | if (tte->valid_bit()) tlb_rec.tte_data |= (1ull<<63); | |
188 | if (tte->nfo()) tlb_rec.tte_data |= (1ull << 62); | |
189 | if (tte->ie()) tlb_rec.tte_data |= (1ull << 12); | |
190 | if (tte->e()) tlb_rec.tte_data |= (1ull << 11); | |
191 | if (tte->cp()) tlb_rec.tte_data |= (1ull << 10); | |
192 | if (tte->cv()) tlb_rec.tte_data |= (1ull << 9); | |
193 | if (tte->p()) tlb_rec.tte_data |= (1ull << 8); | |
194 | if (tte->x()) tlb_rec.tte_data |= (1ull << 7); | |
195 | if (tte->w()) tlb_rec.tte_data |= (1ull << 6); | |
196 | tlb_rec.tte_data |= tte->page_size(); | |
197 | ||
198 | tlb_rec.is_real = tte->real_bit(); | |
199 | tlb_rec.partid = tte->pid(); | |
200 | ||
201 | tlb_rec.tte_page_size = tte->page_size(); | |
202 | tlb_rec.tte_context = tte->context(); | |
203 | ||
204 | idx++; | |
205 | } | |
206 | ||
207 | if (itlb != dtlb) { | |
208 | for (i=0; i<dtlb->size(); i++) { | |
209 | SS_Tte * tte = dtlb->get(i); | |
210 | Sam::VCPU_TLB & tlb_rec = return_array[idx]; | |
211 | ||
212 | tlb_rec.format = 1; // sun4u | |
213 | // IMPORTANT: the caller fills in the cpuid field before tracing | |
214 | tlb_rec.demap = 0; | |
215 | tlb_rec.tlb_type = 1; // dtlb | |
216 | tlb_rec.tlb_index = i; | |
217 | tlb_rec.tlb_no = dtlb->tlb_id(); | |
218 | ||
219 | tlb_rec.tte_tag = tte->tag(); | |
220 | ||
221 | // data: v:63 nfo:62 taddr: 55-13 ie:12 e:11 cp:10 cv:9 p:8 ep:7 w:6 sz:3-0 | |
222 | tlb_rec.tte_data = tte->taddr() & (0x7ffffffffull << 13); | |
223 | if (tte->valid_bit()) tlb_rec.tte_data |= (1ull<<63); | |
224 | if (tte->nfo()) tlb_rec.tte_data |= (1ull << 62); | |
225 | if (tte->ie()) tlb_rec.tte_data |= (1ull << 12); | |
226 | if (tte->e()) tlb_rec.tte_data |= (1ull << 11); | |
227 | if (tte->cp()) tlb_rec.tte_data |= (1ull << 10); | |
228 | if (tte->cv()) tlb_rec.tte_data |= (1ull << 9); | |
229 | if (tte->p()) tlb_rec.tte_data |= (1ull << 8); | |
230 | if (tte->x()) tlb_rec.tte_data |= (1ull << 7); | |
231 | if (tte->w()) tlb_rec.tte_data |= (1ull << 6); | |
232 | tlb_rec.tte_data |= tte->page_size(); | |
233 | ||
234 | tlb_rec.is_real = tte->real_bit(); | |
235 | tlb_rec.partid = tte->pid(); | |
236 | ||
237 | tlb_rec.tte_page_size = tte->page_size(); | |
238 | tlb_rec.tte_context = tte->context(); | |
239 | ||
240 | idx++; | |
241 | } | |
242 | } | |
243 | ||
244 | assert (idx==count); | |
245 | return count; | |
246 | ||
247 | } | |
248 |