1 | entity HT_process is |
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2 | generic (Task_id : natural:=0); |
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3 | Port ( clk : in STD_LOGIC; |
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4 | reset : in STD_LOGIC; |
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5 | en : in std_logic; -- active la tâche |
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6 | Interf_i : in core_i; --signaux pour l'interface IO |
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7 | Interf_o : out core_o; --signaux pour l'interface IO |
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8 | mem_o : out typ_dpram_o; -- signaux pour l'accès à la mémoire |
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9 | mem_i : in typ_dpram_i -- signaux pour l'accès à la mémoire |
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10 | ); |
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11 | end HT_process; |
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12 | |
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13 | architecture Behavioral of HT_process is |
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14 | |
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15 | type typ_mae is (start,Fillmem,NextFill,InitApp,GetRank,WInCreate,WinPost,WinStart, |
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16 | putdata,getdata,WinWait,WinCompleted,MpiSpawn,finalize,st_timeout); |
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17 | signal sram : typ_dpram; |
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18 | signal MyGroup:mpi_group; |
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19 | signal MyWin : mpi_win; |
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20 | signal MyRank :std_logic_vector(3 downto 0); |
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21 | signal intercomm,array_of_errcodes : natural; |
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22 | signal Libr : Core_io; --regroupe tous les signaux IO de la bibliothèque |
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23 | signal RunState : typ_mae; |
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24 | |
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25 | begin |
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26 | |
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27 | --MAE du PE |
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28 | --======================================================================= |
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29 | -- Interf<=Libr; |
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30 | |
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31 | |
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32 | pPutGet:process(clk,reset,en) |
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33 | |
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34 | |
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35 | variable destrank : natural range 0 to 15; |
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36 | variable timeout,ct,dlen,dcount : natural range 0 to 255; |
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37 | variable SrcAdr,DestAdr : std_logic_vector(ADRLEN-1 downto 0); |
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38 | variable mywin : Mpi_win; |
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39 | variable command , argv , maxprocs , info , root : natural:=0; --variable pour le spawn |
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40 | variable adresse,adresse_rd :natural range 0 to 65536; |
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41 | |
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42 | begin |
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43 | |
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44 | if (clk'event and clk='1') and en='1' then |
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45 | |
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46 | |
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47 | if reset='1' then |
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48 | --set the default signals values |
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49 | |
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50 | Libr.O.MemBusy<='0'; |
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51 | Libr.O.Instr_En<='0'; |
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52 | sram.O.we<='0'; |
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53 | sram.O.ena<='0'; |
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54 | sram.O.enb<='0'; |
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55 | RunState<=start; --jump to the first state of the FSM |
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56 | else |
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57 | --========================================================== |
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58 | --affectation des entrées sorties mémoires |
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59 | --These signals binding must remain unchanged for proper functionning of the template ! |
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60 | sram.i.data_out<=mem_I.data_out; |
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61 | mem_o.addr_wr<=sram.O.addr_wr; |
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62 | mem_o.addr_rd<=sram.O.addr_rd ; |
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63 | mem_o.we<=sram.O.we; |
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64 | mem_o.ena<=sram.O.ena; |
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65 | mem_o.enb<=sram.O.enb; |
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66 | mem_o.data_in<=sram.O.data_in; |
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67 | --affectation des entrées sorties MPI_HCL |
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68 | Interf_o.Instr_EN<=Libr.O.instr_en; |
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69 | Interf_o.Membusy<=Libr.O.MemBusy; |
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70 | Interf_o.Instruction<=Libr.O.Instruction; |
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71 | Libr.i.Instr_ack<=Interf_i.Instr_ack; |
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72 | Libr.i.InitOk<=Interf_i.InitOk; |
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73 | Libr.i.Hold_Req<=Interf_i.Hold_req; |
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74 | Libr.i.RamSel<=Interf_i.RamSel; |
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75 | --============================================================ |
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76 | |
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77 | case RunState is |
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78 | when start => |
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79 | adresse:=10;dcount:=0; |
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80 | RunState<=Fillmem; |
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81 | when Fillmem => --this state demonstrate a simple example task that writes data in the communication RAM |
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82 | sram.O.we<='1'; --enables writting |
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83 | sram.O.ena<='1'; |
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84 | sram.O.enb<='0'; --disable reading on port B |
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85 | if Libr.I.Ramsel='0' then --test if the RAM is free |
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86 | sram.O.addr_wr<=std_logic_vector(to_unsigned(adresse,ADRLEN)); |
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87 | sram.O.data_in<=std_logic_vector(to_unsigned(dcount,8)); -- x"0f"; |
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88 | Libr.O.MemBusy<='1'; --prevent the MPI-HCL to gain control on the RAM |
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89 | dcount:=dcount+1; |
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90 | |
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91 | if dcount=250 then |
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92 | RunState<=InitApp; |
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93 | Libr.O.MemBusy<='0'; --release the RAM access |
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94 | else |
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95 | adresse:=adresse+1; |
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96 | RunState<=Fillmem; |
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97 | end if; |
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98 | else -- attente de la libéraion de la mémoire /waiting for Ram to be free |
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99 | timeout:=timeout+1; |
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100 | if timeout=200 then |
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101 | report "The RAM is been busy for too long!!!"; |
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102 | timeout:=0; |
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103 | end if; |
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104 | |
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105 | end if; |
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106 | |
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107 | when InitApp => |
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108 | dlen:=15; |
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109 | |
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110 | pMPI_Init(ct,Libr,Clk,SRam); |
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111 | |
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112 | if ct=0 then |
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113 | RunState<=GetRank; |
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114 | end if; |
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115 | |
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116 | when GetRank => |
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117 | |
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118 | pMPI_Comm_rank(ct,Libr,sram,MPI_COMM_WORLD,MyRank); |
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119 | |
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120 | if ct=0 then |
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121 | RunState<=WinCreate; |
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122 | |
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123 | end if; |
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124 | |
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125 | when Wincreate => --ici nous personalisons les HT en fonction de leur rang |
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126 | --we use this state to fix HT parameters in regard of thier rank |
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127 | case MyRank is |
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128 | when x"0"=> |
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129 | Mygroup.grp<=x"0000";-- No rank in this group ==> No Win_Post |
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130 | MyGroup.nb<=2; |
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131 | destRank:=1; |
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132 | when x"1" => |
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133 | Mygroup.grp<=x"000A";-- rank 1 and 3 in this group |
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134 | destRank:=0; -- not use by this HT instance |
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135 | DestAdr:=X"043F"; |
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136 | when x"2" => |
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137 | Mygroup.grp<=x"0000";-- no rank in this group |
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138 | destRank:=1; |
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139 | DestAdr:=X"044F"; |
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140 | when x"3" => |
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141 | Mygroup.grp<=x"0004";-- rank 2 in this group |
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142 | destRank:=0; -- not use by this HT instance |
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143 | DestAdr:=X"045F"; |
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144 | when others => |
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145 | Mygroup.grp<=x"0000"; |
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146 | destRank:=0; |
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147 | end case; |
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148 | RunState<=WinPost; |
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149 | when WinPost => |
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150 | |
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151 | pMPI_Win_Post(ct,Libr,sram,MyGroup,0,MyWin); |
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152 | if ct=0 then |
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153 | RunState<=WinStart; |
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154 | |
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155 | end if; |
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156 | |
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157 | when WinStart => |
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158 | pMPI_Win_start(ct,Libr,sram,MyGroup,0,MyWin); |
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159 | |
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160 | if ct=0 then |
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161 | RunState<=PutData; |
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162 | end if; |
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163 | when putdata => --construire le packet pour le Put |
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164 | |
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165 | SrcAdr:=X"000A"; |
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166 | pMPI_put(ct,Libr,Clk,Sram,SrcAdr,Dlen,MPI_int,destrank,DestAdr,Dlen,Mpi_int,Default_win); |
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167 | if ct=0 then |
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168 | RunState<=GetData; |
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169 | end if; |
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170 | |
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171 | |
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172 | when getdata => |
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173 | SrcAdr:=X"006D"; |
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174 | destrank:=3; |
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175 | if unsigned(MyRank) = 2 then |
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176 | pMPI_GET(ct,Libr,Clk,Sram,SrcAdr,Dlen,MPI_int,destrank,DestAdr,Dlen,Mpi_int,Default_win); |
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177 | end if; |
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178 | |
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179 | if ct=0 then |
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180 | |
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181 | RunState<=wincompleted; |
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182 | |
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183 | end if; |
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184 | |
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185 | when WinCompleted => |
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186 | |
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187 | pMPI_Win_Complete(ct,Libr,sram,MyWin ); |
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188 | if ct=0 then |
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189 | RunState<=WinWait; |
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190 | |
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191 | end if; |
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192 | when WinWait => |
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193 | |
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194 | pMPI_Win_wait(ct,Libr,sram,MyWin ); |
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195 | |
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196 | if ct=0 then |
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197 | RunState<=Finalize; |
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198 | end if; |
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199 | |
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200 | when finalize => |
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201 | |
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202 | if ct=0 then |
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203 | RunState<=start; |
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204 | |
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205 | end if; |
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206 | when others => |
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207 | RunState<=start; |
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208 | end case; |
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209 | |
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210 | end if; |
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211 | end if; |
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212 | |
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213 | end process pPutGet; |
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214 | |
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215 | end Behavioral; |
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