| 1 | // ========== Copyright Header Begin ========================================== |
| 2 | // |
| 3 | // OpenSPARC T2 Processor File: SS_RegCompare.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_RegCompare.h" |
| 23 | |
| 24 | SS_RegCompare::SS_RegCompare( SS_Strand* _strand, SS_PliSocket* _socket )/*{{{*/ |
| 25 | : |
| 26 | dbg_out(0), |
| 27 | socket(_socket), |
| 28 | strand(_strand), |
| 29 | inited(false) |
| 30 | { |
| 31 | cmpr_on(); |
| 32 | } |
| 33 | /*}}}*/ |
| 34 | |
| 35 | void SS_RegCompare::initialise()/*{{{*/ |
| 36 | { |
| 37 | // the initialise() should be invoked right before the first sstep of each |
| 38 | // strand, so that any change (forced by rtl testbench) before that |
| 39 | // is not considered as a change made by the first instruction. One |
| 40 | // example is HVER, where testbench may do a ASR_WRITE to set a value |
| 41 | // before first sstep. |
| 42 | |
| 43 | uint_t id = strand->strand_id(); |
| 44 | |
| 45 | strand->gl_save(); |
| 46 | strand->cwp_save(); |
| 47 | strand->tl_save(); |
| 48 | |
| 49 | for (int gl = 0; gl <= strand->max_gl(); gl++) |
| 50 | for (int gi = 0; gi < 8; gi++) |
| 51 | grf[gl * 8 + gi] = strand->grf[gl * 8 + gi]; |
| 52 | |
| 53 | for (int wp = 0; wp <= strand->max_wp(); wp++) |
| 54 | for (int wi = 0; wi < 16; wi++) |
| 55 | if (wi >= 8) |
| 56 | wrf[wp * 16 + wi] = strand->wrf[wp * 16 + wi - 8]; |
| 57 | else if (wp == strand->max_wp()) |
| 58 | wrf[wp * 16 + wi] = strand->wrf[wi + 8]; |
| 59 | else |
| 60 | wrf[wp * 16 + wi] = strand->wrf[wp * 16 + wi + 24]; |
| 61 | |
| 62 | for (int fi =0; fi < 64; fi++) |
| 63 | frf[fi] = strand->get_frf(SS_Strand::freg_idx2off(fi)); |
| 64 | |
| 65 | inited = true; |
| 66 | } |
| 67 | /*}}}*/ |
| 68 | void SS_RegCompare::compare()/*{{{*/ |
| 69 | { |
| 70 | char cmp[64]; |
| 71 | uint_t id = strand->strand_id(); |
| 72 | |
| 73 | strand->gl_save(); |
| 74 | strand->cwp_save(); |
| 75 | strand->tl_save(); |
| 76 | |
| 77 | new_delta = false; |
| 78 | for (int gl = 0; gl <= strand->max_gl(); gl++) |
| 79 | { |
| 80 | for (int gi = 0; gi < 8; gi++) |
| 81 | { |
| 82 | uint64_t old_val = grf[gl * 8 + gi]; |
| 83 | uint64_t new_val = strand->grf[gl * 8 + gi]; |
| 84 | |
| 85 | if (new_val != old_val) |
| 86 | { |
| 87 | if (cmpr_list[CTR_G]) |
| 88 | { |
| 89 | new_delta = true; |
| 90 | sprintf(cmp,"STEP: %d G %d %d %016llx ",id,gl,gi,new_val); |
| 91 | socket->write(cmp); |
| 92 | } |
| 93 | grf[gl * 8 + gi] = new_val; |
| 94 | } |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | for (int wp = 0; wp <= strand->max_wp(); wp++) |
| 99 | { |
| 100 | for (int wi = 0; wi < 16; wi++) |
| 101 | { |
| 102 | uint64_t old_val = wrf[wp * 16 + wi]; |
| 103 | uint64_t new_val; |
| 104 | |
| 105 | // Compare window: 8=o0,..,o7,16=l0,..,l7 |
| 106 | // Vonk window is: 0=l0,..,l7,8=i0,..,i7,_______,24=o0,..,o7 |
| 107 | |
| 108 | if (wi >= 8) |
| 109 | new_val = strand->wrf[wp * 16 + wi - 8]; |
| 110 | else if (wp == strand->max_wp()) |
| 111 | new_val = strand->wrf[wi + 8]; |
| 112 | else |
| 113 | new_val = strand->wrf[wp * 16 + wi + 24]; |
| 114 | |
| 115 | if (new_val != old_val) |
| 116 | { |
| 117 | if (cmpr_list[CTR_W]) |
| 118 | { |
| 119 | new_delta = true; |
| 120 | sprintf(cmp,"STEP: %d W %d %d %016llx ",id,wp,wi + 8,new_val); |
| 121 | socket->write(cmp); |
| 122 | } |
| 123 | wrf[wp * 16 + wi] = new_val; |
| 124 | } |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | for (int fi =0; fi < 64; fi++) |
| 129 | { |
| 130 | uint32_t old_val = frf[fi]; |
| 131 | uint32_t new_val = strand->get_frf(SS_Strand::freg_idx2off(fi)); |
| 132 | |
| 133 | if (new_val != old_val) |
| 134 | { |
| 135 | if (cmpr_list[CTR_F]) |
| 136 | { |
| 137 | new_delta = true; |
| 138 | sprintf(cmp,"STEP: %d F %d %08x ",id,fi,new_val); |
| 139 | socket->write(cmp); |
| 140 | } |
| 141 | frf[fi] = new_val; |
| 142 | } |
| 143 | } |
| 144 | } |
| 145 | /*}}}*/ |
| 146 | |
| 147 | void SS_RegCompare::dump_regs()/*{{{*/ |
| 148 | { |
| 149 | uint_t id = strand->strand_id(); |
| 150 | |
| 151 | strand->gl_save(); |
| 152 | strand->cwp_save(); |
| 153 | strand->tl_save(); |
| 154 | |
| 155 | fprintf(stdout, "Strand %d:\n", id); |
| 156 | fprintf(stdout, "%2s", ""); |
| 157 | for (int gl = 0; gl <= strand->max_gl(); gl++) |
| 158 | fprintf(stdout, " %5s g[%d] %5s ", "", gl, ""); |
| 159 | fprintf(stdout, "\n"); |
| 160 | for (int gi = 0; gi < 8; gi++) |
| 161 | { |
| 162 | fprintf(stdout, "%d ", gi); |
| 163 | for (int gl = 0; gl <= strand->max_gl(); gl++) |
| 164 | fprintf(stdout, " %016llx ", strand->grf[gl * 8 + gi]); |
| 165 | fprintf(stdout,"\n"); |
| 166 | } |
| 167 | |
| 168 | for (int wp = 0; wp <= strand->max_wp(); wp++) |
| 169 | { |
| 170 | fprintf(stdout, " %5s o[%d] %5s %5s l[%d] %5s\n", "", wp, "", "", wp, ""); |
| 171 | for (int wi = 0; wi < 8; wi++) |
| 172 | { |
| 173 | uint64_t new_val_o; |
| 174 | uint64_t new_val_l; |
| 175 | |
| 176 | // Compare window: 8=o0,..,o7,16=l0,..,l7 |
| 177 | // Vonk window is: 0=l0,..,l7,8=i0,..,i7,_______,24=o0,..,o7 |
| 178 | |
| 179 | if (wp == strand->max_wp()) |
| 180 | new_val_o = strand->wrf[wi + 8]; |
| 181 | else |
| 182 | new_val_o = strand->wrf[wp * 16 + wi + 24]; |
| 183 | new_val_l = strand->wrf[wp * 16 + wi]; |
| 184 | fprintf(stdout, "%d %016llx %016llx \n", wi, new_val_o, new_val_l); |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | for (int fi = 0; fi < 64; fi+=8) |
| 189 | { |
| 190 | fprintf(stdout, "%2s", ""); |
| 191 | for (int i = 0; i < 4; i++) |
| 192 | if ((fi+i*2) < 10) |
| 193 | fprintf(stdout, " %13s f%1d ", "", (fi+i*2)); |
| 194 | else |
| 195 | fprintf(stdout, " %12s f%2d ", "", (fi+i*2)); |
| 196 | fprintf(stdout, "\n"); |
| 197 | fprintf(stdout, "%2s", ""); |
| 198 | for (int i = 0; i < 8; i+=2) |
| 199 | { |
| 200 | uint32_t new_val1 = strand->get_frf(SS_Strand::freg_idx2off(fi)); |
| 201 | uint32_t new_val2 = strand->get_frf(SS_Strand::freg_idx2off(fi+1)); |
| 202 | fprintf(stdout, " %08x%08x ", new_val1, new_val2); |
| 203 | } |
| 204 | fprintf(stdout, "\n"); |
| 205 | } |
| 206 | } |
| 207 | /*}}}*/ |
| 208 | |
| 209 | |
| 210 | |
| 211 | |
| 212 | |
| 213 | |