[88] | 1 | #ifdef SYSTEMC |
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| 2 | /* |
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| 3 | * $Id: Register_Address_Translation_unit_genMealy_retire.cpp 88 2008-12-10 18:31:39Z rosiere $ |
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| 4 | * |
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| 5 | * [ Description ] |
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| 6 | * |
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| 7 | */ |
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| 8 | |
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| 9 | #include "Behavioural/Core/Multi_OOO_Engine/OOO_Engine/Rename_unit/Register_translation_unit/Register_Address_Translation_unit/include/Register_Address_Translation_unit.h" |
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| 10 | |
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| 11 | namespace morpheo { |
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| 12 | namespace behavioural { |
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| 13 | namespace core { |
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| 14 | namespace multi_ooo_engine { |
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| 15 | namespace ooo_engine { |
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| 16 | namespace rename_unit { |
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| 17 | namespace register_translation_unit { |
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| 18 | namespace register_address_translation_unit { |
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| 19 | |
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| 20 | |
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| 21 | #undef FUNCTION |
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| 22 | #define FUNCTION "Register_Address_Translation_unit::genMealy_retire" |
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| 23 | void Register_Address_Translation_unit::genMealy_retire (void) |
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| 24 | { |
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| 25 | log_begin(Register_Address_Translation_unit,FUNCTION); |
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| 26 | log_function(Register_Address_Translation_unit,FUNCTION,_name.c_str()); |
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| 27 | |
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| 28 | // Init internal update table |
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| 29 | for (uint32_t i=0; i<_param->_nb_front_end; i++) |
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| 30 | for (uint32_t j=0; j<_param->_nb_context[i]; j++) |
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| 31 | { |
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| 32 | for (uint32_t k=0; k<_param->_nb_general_register_logic; ++k) |
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| 33 | internal_rat_gpr_update_table [i][j][k] = rat_gpr_update_table [i][j][k]; |
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| 34 | for (uint32_t k=0; k<_param->_nb_special_register_logic; ++k) |
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| 35 | internal_rat_spr_update_table [i][j][k] = rat_spr_update_table [i][j][k]; |
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| 36 | } |
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| 37 | |
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| 38 | |
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| 39 | // RETIRE is in order -> also don't need test if an instruction is valid |
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| 40 | for (uint32_t i=0; i<_param->_nb_inst_retire; i++) |
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| 41 | { |
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| 42 | log_printf(TRACE,Register_Address_Translation_unit,FUNCTION," * inst_retire [%d]",i); |
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| 43 | |
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| 44 | // init -> need't restore old value |
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| 45 | Tcontrol_t retire_restore_rd_phy_old = false; |
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| 46 | Tcontrol_t retire_restore_re_phy_old = false; |
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| 47 | Tevent_state_t event_state = PORT_READ(in_RETIRE_EVENT_STATE [i]); |
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| 48 | |
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| 49 | // Test if event -> need restore ? |
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| 50 | if (event_state != EVENT_STATE_NO_EVENT) |
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| 51 | { |
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| 52 | Tcontext_t front_end_id = (_param->_have_port_front_end_id)?PORT_READ(in_RETIRE_FRONT_END_ID [i]):0; |
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| 53 | Tcontext_t context_id = (_param->_have_port_context_id )?PORT_READ(in_RETIRE_CONTEXT_ID [i]):0; |
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| 54 | |
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| 55 | log_printf(TRACE,Register_Address_Translation_unit,FUNCTION," * Have event"); |
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| 56 | log_printf(TRACE,Register_Address_Translation_unit,FUNCTION," * front_end_id : %d",front_end_id); |
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| 57 | log_printf(TRACE,Register_Address_Translation_unit,FUNCTION," * context_id : %d",context_id ); |
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| 58 | |
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| 59 | // Test if event have just occure -> reset update_table |
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| 60 | if (event_state == EVENT_STATE_EVENT) |
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| 61 | { |
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| 62 | // Reset update_table |
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| 63 | for (uint32_t j=0; j<_param->_nb_general_register_logic; j++) |
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| 64 | internal_rat_gpr_update_table[front_end_id][context_id][j] = 0; |
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| 65 | for (uint32_t j=0; j<_param->_nb_special_register_logic; j++) |
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| 66 | internal_rat_spr_update_table[front_end_id][context_id][j] = 0; |
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| 67 | } |
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| 68 | |
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| 69 | // Test and update update table |
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| 70 | if (PORT_READ(in_RETIRE_WRITE_RD [i])) |
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| 71 | { |
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| 72 | Tgeneral_address_t rd_log = PORT_READ(in_RETIRE_NUM_REG_RD_LOG [i]); |
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| 73 | retire_restore_rd_phy_old = (internal_rat_gpr_update_table[front_end_id][context_id][rd_log] == 0); |
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| 74 | |
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| 75 | // log_printf(TRACE,Register_Address_Translation_unit,FUNCTION," * write_rd"); |
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| 76 | // log_printf(TRACE,Register_Address_Translation_unit,FUNCTION," * rd_log : %d",rd_log); |
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| 77 | // log_printf(TRACE,Register_Address_Translation_unit,FUNCTION," * rat_gpr_update : %d",internal_rat_gpr_update_table[front_end_id][context_id][rd_log]); |
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| 78 | |
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| 79 | internal_rat_gpr_update_table[front_end_id][context_id][rd_log] = 1; |
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| 80 | } |
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| 81 | if (PORT_READ(in_RETIRE_WRITE_RE [i])) |
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| 82 | { |
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| 83 | // log_printf(TRACE,Register_Address_Translation_unit,FUNCTION," * write_re"); |
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| 84 | |
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| 85 | Tgeneral_address_t re_log = PORT_READ(in_RETIRE_NUM_REG_RE_LOG [i]); |
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| 86 | retire_restore_re_phy_old = (internal_rat_spr_update_table[front_end_id][context_id][re_log] == 0); |
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| 87 | internal_rat_spr_update_table[front_end_id][context_id][re_log] = 1; |
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| 88 | } |
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| 89 | |
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| 90 | log_printf(TRACE,Register_Address_Translation_unit,FUNCTION," * restore_rd_phy_old : %d",retire_restore_rd_phy_old); |
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| 91 | log_printf(TRACE,Register_Address_Translation_unit,FUNCTION," * restore_re_phy_old : %d",retire_restore_re_phy_old); |
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| 92 | } |
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| 93 | |
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| 94 | PORT_WRITE(out_RETIRE_RESTORE_RD_PHY_OLD[i], retire_restore_rd_phy_old); |
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| 95 | PORT_WRITE(out_RETIRE_RESTORE_RE_PHY_OLD[i], retire_restore_re_phy_old); |
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| 96 | } |
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| 97 | |
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| 98 | log_end(Register_Address_Translation_unit,FUNCTION); |
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| 99 | }; |
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| 100 | |
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| 101 | }; // end namespace register_address_translation_unit |
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| 102 | }; // end namespace register_translation_unit |
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| 103 | }; // end namespace rename_unit |
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| 104 | }; // end namespace ooo_engine |
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| 105 | }; // end namespace multi_ooo_engine |
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| 106 | }; // end namespace core |
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| 107 | |
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| 108 | }; // end namespace behavioural |
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| 109 | }; // end namespace morpheo |
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| 110 | #endif |
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