Zane Shelley | 171a2e0 | 2020-11-13 13:56:13 -0600 | [diff] [blame] | 1 | #include <assert.h> |
| 2 | |
Zane Shelley | f4bd5ff | 2020-11-05 22:26:04 -0600 | [diff] [blame] | 3 | #include <util/pdbg.hpp> |
Zane Shelley | 171a2e0 | 2020-11-13 13:56:13 -0600 | [diff] [blame] | 4 | #include <util/trace.hpp> |
Zane Shelley | f4bd5ff | 2020-11-05 22:26:04 -0600 | [diff] [blame] | 5 | |
| 6 | namespace util |
| 7 | { |
| 8 | |
| 9 | namespace pdbg |
| 10 | { |
| 11 | |
| 12 | //------------------------------------------------------------------------------ |
| 13 | |
Zane Shelley | a029985 | 2020-11-13 13:38:04 -0600 | [diff] [blame] | 14 | pdbg_target* getTrgt(const libhei::Chip& i_chip) |
| 15 | { |
| 16 | return (pdbg_target*)i_chip.getChip(); |
| 17 | } |
| 18 | |
| 19 | //------------------------------------------------------------------------------ |
| 20 | |
| 21 | const char* getPath(pdbg_target* i_trgt) |
| 22 | { |
| 23 | return pdbg_target_path(i_trgt); |
| 24 | } |
| 25 | |
Zane Shelley | f4bd5ff | 2020-11-05 22:26:04 -0600 | [diff] [blame] | 26 | const char* getPath(const libhei::Chip& i_chip) |
| 27 | { |
Zane Shelley | a029985 | 2020-11-13 13:38:04 -0600 | [diff] [blame] | 28 | return getPath(getTrgt(i_chip)); |
| 29 | } |
| 30 | |
| 31 | //------------------------------------------------------------------------------ |
| 32 | |
| 33 | uint32_t getChipPos(pdbg_target* i_trgt) |
| 34 | { |
| 35 | uint32_t attr = 0; |
| 36 | pdbg_target_get_attribute(i_trgt, "ATTR_FAPI_POS", 4, 1, &attr); |
| 37 | return attr; |
| 38 | } |
| 39 | |
| 40 | uint32_t getChipPos(const libhei::Chip& i_chip) |
| 41 | { |
| 42 | return getChipPos(getTrgt(i_chip)); |
| 43 | } |
| 44 | |
| 45 | //------------------------------------------------------------------------------ |
| 46 | |
| 47 | uint8_t getTrgtType(pdbg_target* i_trgt) |
| 48 | { |
| 49 | uint8_t attr = 0; |
| 50 | pdbg_target_get_attribute(i_trgt, "ATTR_TYPE", 1, 1, &attr); |
| 51 | return attr; |
| 52 | } |
| 53 | |
| 54 | uint8_t getTrgtType(const libhei::Chip& i_chip) |
| 55 | { |
| 56 | return getTrgtType(getTrgt(i_chip)); |
Zane Shelley | f4bd5ff | 2020-11-05 22:26:04 -0600 | [diff] [blame] | 57 | } |
| 58 | |
| 59 | //------------------------------------------------------------------------------ |
| 60 | |
Zane Shelley | 171a2e0 | 2020-11-13 13:56:13 -0600 | [diff] [blame] | 61 | pdbg_target* getPibTrgt(pdbg_target* i_procTrgt) |
| 62 | { |
| 63 | // The input target must be a processor. |
| 64 | assert(0x05 == getTrgtType(i_procTrgt)); |
| 65 | |
| 66 | // Get the pib path. |
| 67 | char path[16]; |
| 68 | sprintf(path, "/proc%d/pib", pdbg_target_index(i_procTrgt)); |
| 69 | |
| 70 | // Return the pib target. |
| 71 | pdbg_target* pibTrgt = pdbg_target_from_path(nullptr, path); |
| 72 | assert(nullptr != pibTrgt); |
| 73 | |
| 74 | return pibTrgt; |
| 75 | } |
| 76 | |
| 77 | //------------------------------------------------------------------------------ |
| 78 | |
Zane Shelley | ff76b6b | 2020-11-18 13:54:26 -0600 | [diff] [blame] | 79 | pdbg_target* getFsiTrgt(pdbg_target* i_procTrgt) |
| 80 | { |
| 81 | // The input target must be a processor. |
| 82 | assert(0x05 == getTrgtType(i_procTrgt)); |
| 83 | |
| 84 | // Get the fsi path. |
| 85 | char path[16]; |
| 86 | sprintf(path, "/proc%d/fsi", pdbg_target_index(i_procTrgt)); |
| 87 | |
| 88 | // Return the fsi target. |
| 89 | pdbg_target* fsiTrgt = pdbg_target_from_path(nullptr, path); |
| 90 | assert(nullptr != fsiTrgt); |
| 91 | |
| 92 | return fsiTrgt; |
| 93 | } |
| 94 | |
| 95 | //------------------------------------------------------------------------------ |
| 96 | |
Zane Shelley | 171a2e0 | 2020-11-13 13:56:13 -0600 | [diff] [blame] | 97 | uint32_t __getChipId(pdbg_target* i_trgt) |
| 98 | { |
| 99 | uint32_t attr = 0; |
| 100 | pdbg_target_get_attribute(i_trgt, "ATTR_CHIP_ID", 4, 1, &attr); |
| 101 | return attr; |
| 102 | } |
| 103 | |
| 104 | uint8_t __getChipEc(pdbg_target* i_trgt) |
| 105 | { |
| 106 | uint8_t attr = 0; |
| 107 | pdbg_target_get_attribute(i_trgt, "ATTR_EC", 1, 1, &attr); |
| 108 | return attr; |
| 109 | } |
| 110 | |
| 111 | uint32_t __getChipIdEc(pdbg_target* i_trgt) |
| 112 | { |
| 113 | return ((__getChipId(i_trgt) & 0xffff) << 16) | __getChipEc(i_trgt); |
| 114 | } |
| 115 | |
| 116 | void __addChip(std::vector<libhei::Chip>& o_chips, pdbg_target* i_trgt, |
| 117 | libhei::ChipType_t i_type) |
| 118 | { |
| 119 | // Trace each chip for debug. It is important to show the type just in case |
| 120 | // the model/EC does not exist. See note below. |
| 121 | trace::inf("Chip found: type=0x%08" PRIx32 " chip=%s", i_type, |
| 122 | getPath(i_trgt)); |
| 123 | |
| 124 | if (0 == i_type) |
| 125 | { |
| 126 | // There is a special case where the model/level attributes have not |
| 127 | // been initialized in the devtree. This is possible on the epoch IPL |
| 128 | // where an attention occurs before Hostboot is able to update the |
| 129 | // devtree information on the BMC. For now, just ignore the chip. |
| 130 | } |
| 131 | else |
| 132 | { |
| 133 | o_chips.emplace_back(i_trgt, i_type); |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | void getActiveChips(std::vector<libhei::Chip>& o_chips) |
| 138 | { |
| 139 | o_chips.clear(); |
| 140 | |
| 141 | // Iterate each processor. |
| 142 | pdbg_target* procTrgt; |
| 143 | pdbg_for_each_class_target("proc", procTrgt) |
| 144 | { |
| 145 | // We cannot use the proc target to determine if the chip is active. |
| 146 | // There is some design limitation in pdbg that requires the proc |
| 147 | // targets to always be active. Instead, we must get the associated pib |
| 148 | // target and check if it is active. |
| 149 | |
| 150 | // Active processors only. |
| 151 | if (PDBG_TARGET_ENABLED != pdbg_target_probe(getPibTrgt(procTrgt))) |
| 152 | continue; |
| 153 | |
| 154 | // Add the processor to the list. |
| 155 | __addChip(o_chips, procTrgt, __getChipIdEc(procTrgt)); |
| 156 | |
| 157 | // Iterate the connected OCMBs, if they exist. |
| 158 | pdbg_target* ocmbTrgt; |
| 159 | pdbg_for_each_target("ocmb", procTrgt, ocmbTrgt) |
| 160 | { |
| 161 | // Active OCMBs only. |
| 162 | if (PDBG_TARGET_ENABLED != pdbg_target_probe(ocmbTrgt)) |
| 163 | continue; |
| 164 | |
| 165 | // Add the OCMB to the list. |
| 166 | __addChip(o_chips, ocmbTrgt, __getChipIdEc(ocmbTrgt)); |
| 167 | } |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | //------------------------------------------------------------------------------ |
| 172 | |
Zane Shelley | f4bd5ff | 2020-11-05 22:26:04 -0600 | [diff] [blame] | 173 | } // namespace pdbg |
| 174 | |
| 175 | } // namespace util |