1 | #!/usr/bin/env python |
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2 | |
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3 | from mapping import * |
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4 | |
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5 | #################################################################################width # |
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6 | # file : tsar_generic_iob.py |
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7 | # date : april 2014 |
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8 | # author : Alain Greiner |
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9 | ####################################################################################### |
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10 | # This file contains a mapping generator for the tsar_generic_iob platform. |
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11 | # This includes both the hardware architecture (clusters, processors, peripherals, |
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12 | # physical space segmentation) and the mapping of all kernel objects (global vsegs). |
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13 | # The parameters are: |
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14 | # - x_size : number of clusters in a row |
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15 | # - y_size : number of clusters in a column |
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16 | # - nb_procs : number of processors per cluster |
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17 | # - nb_ttys : number of TTY channels |
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18 | # - nb_nics : number of NIC channels |
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19 | # - fbf_size : frame_buffer width = frame_buffer heigth |
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20 | # - x_io : cluster_io x coordinate |
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21 | # - y_io : cluster_io y coordinate |
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22 | #################################################################################### |
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23 | |
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24 | ##################################### |
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25 | def tsar_generic_iob( x_size = 2, |
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26 | y_size = 2, |
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27 | nb_procs = 1, |
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28 | nb_ttys = 1, |
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29 | nb_nics = 2, |
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30 | fbf_width = 128, |
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31 | x_io = 0, |
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32 | y_io = 0 ): |
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33 | |
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34 | ### parameters checking |
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35 | assert ( nb_procs <= 4 ) |
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36 | assert ( (x_size == 1) or (x_size == 2) or (x_size == 4) |
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37 | or (y_size == 8) or (x_size == 16) ) |
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38 | assert ( (y_size == 1) or (y_size == 2) or (y_size == 4) |
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39 | or (y_size == 8) or (y_size == 16) ) |
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40 | assert ( nb_ttys <= 2 ) |
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41 | |
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42 | ### define architecture constants |
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43 | |
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44 | platform_name = 'tsar_iob_%d_%d_%d' % (x_size, y_size, nb_procs) |
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45 | x_width = 4 |
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46 | y_width = 4 |
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47 | paddr_width = 40 |
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48 | irq_per_proc = 1 |
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49 | use_ramdisk = False |
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50 | |
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51 | ### define physical segments |
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52 | |
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53 | ram_base = 0x0000000000 |
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54 | ram_size = 0x4000000 # 64 Mbytes |
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55 | |
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56 | xcu_base = 0x00B0000000 |
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57 | xcu_size = 0x1000 # 4 Kbytes |
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58 | |
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59 | dma_base = 0x00B1000000 |
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60 | dma_size = 0x1000 * nb_procs # 4 Kbytes * nb_procs |
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61 | |
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62 | mmc_base = 0x00B2000000 |
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63 | mmc_size = 0x1000 # 4 Kbytes |
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64 | |
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65 | offset_io = ((x_io << y_width) + y_io) << (paddr_width - x_width - y_width) |
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66 | |
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67 | bdv_base = 0x00B3000000 + offset_io |
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68 | bdv_size = 0x1000 # 4kbytes |
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69 | |
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70 | tty_base = 0x00B4000000 + offset_io |
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71 | tty_size = 0x4000 # 16 Kbytes |
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72 | |
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73 | nic_base = 0x00B5000000 + offset_io |
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74 | nic_size = 0x80000 # 512 kbytes |
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75 | |
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76 | cma_base = 0x00B6000000 + offset_io |
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77 | cma_size = 0x1000 * 2 * nb_nics # 4 kbytes * 2 * nb_nics |
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78 | |
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79 | fbf_base = 0x00B7000000 + offset_io |
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80 | fbf_size = fbf_width * fbf_width # fbf_width * fbf_width bytes |
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81 | |
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82 | pic_base = 0x00B8000000 + offset_io |
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83 | pic_size = 0x1000 # 4 Kbytes |
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84 | |
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85 | iob_base = 0x00BE000000 + offset_io |
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86 | iob_size = 0x1000 # 4kbytes |
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87 | |
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88 | rom_base = 0x00BFC00000 + offset_io |
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89 | rom_size = 0x4000 # 16 Kbytes |
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90 | |
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91 | ### define bootloader vsegs base addresses |
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92 | |
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93 | boot_mapping_vbase = 0x00000000 # ident |
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94 | boot_mapping_vsize = 0x00010000 # 64 Kbytes |
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95 | |
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96 | boot_code_vbase = 0x00010000 # ident |
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97 | boot_code_vsize = 0x00020000 # 128 Kbytes |
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98 | |
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99 | boot_data_vbase = 0x00030000 # ident |
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100 | boot_data_vsize = 0x00010000 # 64 Kbytes |
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101 | |
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102 | boot_buffer_vbase = 0x00040000 # ident |
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103 | boot_buffer_vsize = 0x00060000 # 384 Kbytes |
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104 | |
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105 | boot_stack_vbase = 0x000A0000 # ident |
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106 | boot_stack_vsize = 0x00050000 # 320 Kbytes |
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107 | |
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108 | ### define kernel vsegs base addresses |
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109 | |
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110 | kernel_code_vbase = 0x80000000 |
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111 | kernel_code_vsize = 0x00020000 # 128 Kbytes |
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112 | |
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113 | kernel_data_vbase = 0x80020000 |
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114 | kernel_data_vsize = 0x00060000 # 384 Kbytes |
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115 | |
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116 | kernel_uncdata_vbase = 0x80080000 |
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117 | kernel_uncdata_vsize = 0x00040000 # 256 Kbytes |
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118 | |
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119 | kernel_init_vbase = 0x800C0000 |
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120 | kernel_init_vsize = 0x00010000 # 64 Kbytes |
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121 | |
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122 | kernel_sched_vbase = 0xF0000000 # distributed in all clusters |
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123 | kernel_sched_vsize = 0x1000 * nb_procs # 4 kbytes per processor |
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124 | |
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125 | ### create mapping |
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126 | |
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127 | mapping = Mapping( name = platform_name, |
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128 | x_size = x_size, |
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129 | y_size = y_size, |
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130 | nb_procs = nb_procs, |
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131 | x_width = x_width, |
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132 | y_width = y_width, |
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133 | paddr_width = paddr_width, |
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134 | coherence = True, |
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135 | irq_per_proc = irq_per_proc, |
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136 | use_ramdisk = use_ramdisk, |
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137 | x_io = x_io, |
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138 | y_io = y_io ) |
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139 | |
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140 | ### add external peripherals |
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141 | |
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142 | iob = Iob( 'PSEG_IOB', base = iob_base, size = iob_size ) |
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143 | mapping.addPeripheral( iob ) |
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144 | |
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145 | bdv = Bdv( 'PSEG_BDV', base = bdv_base, size = bdv_size ) |
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146 | mapping.addPeripheral( bdv ) |
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147 | |
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148 | tty = Tty( 'PSEG_TTY', base = tty_base, size = tty_size, channels = nb_ttys ) |
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149 | mapping.addPeripheral( tty ) |
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150 | |
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151 | nic = Nic( 'PSEG_NIC', base = nic_base, size = nic_size, channels = nb_nics ) |
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152 | mapping.addPeripheral( nic ) |
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153 | |
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154 | cma = Cma( 'PSEG_CMA', base = cma_base, size = cma_size, channels = 2 * nb_nics ) |
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155 | mapping.addPeripheral( cma ) |
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156 | |
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157 | fbf = Fbf( 'PSEG_FBF', base = fbf_base, size = fbf_size ) |
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158 | mapping.addPeripheral( fbf ) |
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159 | |
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160 | rom = Rom( 'PSEG_ROM', base = rom_base, size = rom_size ) |
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161 | mapping.addPeripheral( rom ) |
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162 | |
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163 | pic = Pic( 'PSEG_PIC', base = pic_base, size = pic_size, channels = 32 ) |
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164 | pic.add( PicIrq( srcid = 0 , dstx = 0, dsty = 0, dstid = 4 ) ) |
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165 | pic.add( PicIrq( srcid = 1 , dstx = 0, dsty = 0, dstid = 5 ) ) |
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166 | pic.add( PicIrq( srcid = 2 , dstx = 0, dsty = 0, dstid = 6 ) ) |
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167 | pic.add( PicIrq( srcid = 3 , dstx = 0, dsty = 0, dstid = 7 ) ) |
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168 | pic.add( PicIrq( srcid = 4 , dstx = 0, dsty = 0, dstid = 8 ) ) |
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169 | pic.add( PicIrq( srcid = 5 , dstx = 0, dsty = 0, dstid = 9 ) ) |
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170 | pic.add( PicIrq( srcid = 6 , dstx = 0, dsty = 0, dstid = 10 ) ) |
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171 | pic.add( PicIrq( srcid = 7 , dstx = 0, dsty = 0, dstid = 11 ) ) |
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172 | pic.add( PicIrq( srcid = 8 , dstx = 0, dsty = 0, dstid = 12 ) ) |
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173 | pic.add( PicIrq( srcid = 16 , dstx = 0, dsty = 0, dstid = 13 ) ) |
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174 | pic.add( PicIrq( srcid = 17 , dstx = 0, dsty = 0, dstid = 14 ) ) |
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175 | pic.add( PicIrq( srcid = 18 , dstx = 0, dsty = 1, dstid = 13 ) ) |
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176 | pic.add( PicIrq( srcid = 19 , dstx = 0, dsty = 1, dstid = 14 ) ) |
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177 | pic.add( PicIrq( srcid = 20 , dstx = 1, dsty = 0, dstid = 13 ) ) |
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178 | pic.add( PicIrq( srcid = 21 , dstx = 1, dsty = 0, dstid = 14 ) ) |
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179 | pic.add( PicIrq( srcid = 22 , dstx = 1, dsty = 1, dstid = 13 ) ) |
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180 | pic.add( PicIrq( srcid = 23 , dstx = 1, dsty = 1, dstid = 14 ) ) |
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181 | mapping.addPeripheral( pic ) |
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182 | |
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183 | ### add components replicated in all clusters |
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184 | |
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185 | for x in xrange( x_size ): |
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186 | for y in xrange( y_size ): |
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187 | cluster_xy = (x << y_width) + y; |
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188 | offset = cluster_xy << (paddr_width - x_width - y_width) |
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189 | |
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190 | ram = Pseg( 'PSEG_RAM', base = ram_base + offset, size = ram_size, segtype = 'RAM' ) |
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191 | mapping.addPseg( ram ) |
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192 | |
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193 | mmc = Mmc( 'PSEG_MMC', base = mmc_base + offset, size = mmc_size ) |
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194 | mapping.addPeripheral( mmc ) |
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195 | |
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196 | dma = Dma( 'PSEG_DMA', base = dma_base + offset, size = dma_size, channels = nb_procs ) |
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197 | mapping.addPeripheral( dma ) |
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198 | |
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199 | xcu = Xcu( 'PSEG_XCU', base = xcu_base + offset, size = xcu_size, channels = nb_procs ) |
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200 | xcu.add ( XcuIrq ( srctype = 'HWI', srcid = 0, isrtype = 'ISR_MMC', dstid = 0 ) ) |
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201 | for p in xrange( nb_procs ): |
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202 | xcu.add ( XcuIrq ( srctype = 'WTI', srcid = p, isrtype = 'ISR_WAKUP', dstid = p ) ) |
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203 | xcu.add ( XcuIrq ( srctype = 'PTI', srcid = p, isrtype = 'ISR_TICK' , dstid = p ) ) |
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204 | if (x == 0) and (y == 0): |
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205 | xcu.add ( XcuIrq ( srctype = 'WTI', srcid = 4 , isrtype = 'ISR_NIC_RX', channel = 0) ) |
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206 | xcu.add ( XcuIrq ( srctype = 'WTI', srcid = 5 , isrtype = 'ISR_NIC_RX', channel = 1) ) |
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207 | xcu.add ( XcuIrq ( srctype = 'WTI', srcid = 6 , isrtype = 'ISR_NIC_TX', channel = 0) ) |
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208 | xcu.add ( XcuIrq ( srctype = 'WTI', srcid = 7 , isrtype = 'ISR_NIC_TX', channel = 1) ) |
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209 | xcu.add ( XcuIrq ( srctype = 'WTI', srcid = 8 , isrtype = 'ISR_CMA' , channel = 0) ) |
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210 | xcu.add ( XcuIrq ( srctype = 'WTI', srcid = 9 , isrtype = 'ISR_CMA' , channel = 1) ) |
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211 | xcu.add ( XcuIrq ( srctype = 'WTI', srcid = 10 , isrtype = 'ISR_CMA' , channel = 2) ) |
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212 | xcu.add ( XcuIrq ( srctype = 'WTI', srcid = 11 , isrtype = 'ISR_CMA' , channel = 3) ) |
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213 | xcu.add ( XcuIrq ( srctype = 'WTI', srcid = 12 , isrtype = 'ISR_BDV' , channel = 0) ) |
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214 | xcu.add ( XcuIrq ( srctype = 'WTI', srcid = 13 , isrtype = 'ISR_TTY_RX', channel = 0) ) |
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215 | xcu.add ( XcuIrq ( srctype = 'WTI', srcid = 14 , isrtype = 'ISR_TTY_RX', channel = 1) ) |
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216 | mapping.addPeripheral( xcu ) |
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217 | |
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218 | ### add processors |
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219 | |
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220 | for x in xrange (x_size): |
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221 | for y in xrange (y_size): |
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222 | for p in xrange (nb_procs): |
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223 | proc = Processor ( x, y, p ) |
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224 | mapping.addProc ( proc ) |
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225 | |
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226 | ### add global vsegs for boot_loader segments |
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227 | |
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228 | vseg = Vseg( 'seg_boot_mapping' , boot_mapping_vbase , 'C_W_' , 0, 0, 'PSEG_RAM', ident = True ) |
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229 | vseg.add ( Vobj( 'boot_mapping' , boot_mapping_vsize , 'BLOB' , binpath = 'map.bin' ) ) |
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230 | mapping.addGlobal( vseg ) |
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231 | |
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232 | vseg = Vseg( 'seg_boot_code' , boot_code_vbase , 'CXW_' , 0, 0, 'PSEG_RAM', ident = True ) |
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233 | vseg.add ( Vobj( 'boot_code' , boot_code_vsize , 'BUFFER' ) ) |
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234 | mapping.addGlobal( vseg ) |
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235 | |
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236 | vseg = Vseg( 'seg_boot_data' , boot_data_vbase , 'C_W_' , 0, 0, 'PSEG_RAM', ident = True ) |
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237 | vseg.add ( Vobj( 'boot_data' , boot_data_vsize , 'BUFFER' ) ) |
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238 | mapping.addGlobal( vseg ) |
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239 | |
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240 | vseg = Vseg( 'seg_boot_buffer' , boot_buffer_vbase , 'C_W_' , 0, 0, 'PSEG_RAM', ident = True ) |
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241 | vseg.add ( Vobj( 'boot_buffer' , boot_buffer_vsize , 'BUFFER' ) ) |
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242 | mapping.addGlobal( vseg ) |
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243 | |
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244 | vseg = Vseg( 'seg_boot_stack' , boot_stack_vbase , 'C_W_' , 0, 0, 'PSEG_RAM', ident = True ) |
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245 | vseg.add ( Vobj( 'boot_stack' , boot_stack_vsize , 'BUFFER' ) ) |
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246 | mapping.addGlobal( vseg ) |
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247 | |
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248 | ### add global vsegs for kernel segments |
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249 | |
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250 | vseg = Vseg( 'seg_kernel_code' , kernel_code_vbase , 'CXW_' , 0, 0, 'PSEG_RAM' ) |
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251 | vseg.add ( Vobj( 'kernel_code' , kernel_code_vsize , 'ELF' , binpath = 'build/kernel/kernel.elf' ) ) |
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252 | mapping.addGlobal( vseg ) |
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253 | |
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254 | vseg = Vseg( 'seg_kernel_data' , kernel_data_vbase , 'C_W_' , 0, 0, 'PSEG_RAM' ) |
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255 | vseg.add ( Vobj( 'kernel_data' , kernel_data_vsize , 'ELF' , binpath = 'build/kernel/kernel.elf' ) ) |
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256 | mapping.addGlobal( vseg ) |
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257 | |
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258 | vseg = Vseg( 'seg_kernel_uncdata' , kernel_uncdata_vbase , '__W_' , 0, 0, 'PSEG_RAM' ) |
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259 | vseg.add ( Vobj( 'kernel_uncdata' , kernel_uncdata_vsize , 'ELF' , binpath = 'build/kernel/kernel.elf' ) ) |
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260 | mapping.addGlobal( vseg ) |
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261 | |
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262 | vseg = Vseg( 'seg_kernel_init' , kernel_init_vbase , 'CXW_' , 0, 0, 'PSEG_RAM' ) |
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263 | vseg.add ( Vobj( 'kernel_init' , kernel_init_vsize , 'ELF' , binpath = 'build/kernel/kernel.elf' ) ) |
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264 | mapping.addGlobal( vseg ) |
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265 | |
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266 | ### add global vsegs for external peripherals |
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267 | |
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268 | vseg = Vseg( 'seg_iob' , iob_base , '__W_' , 0, 0, 'PSEG_IOB' ) |
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269 | vseg.add ( Vobj( 'iob' , iob_size , 'PERI' ) ) |
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270 | mapping.addGlobal( vseg ) |
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271 | |
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272 | vseg = Vseg( 'seg_bdv' , bdv_base , '__W_' , 0, 0, 'PSEG_BDV' ) |
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273 | vseg.add ( Vobj( 'bdv' , bdv_size , 'PERI' ) ) |
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274 | mapping.addGlobal( vseg ) |
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275 | |
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276 | vseg = Vseg( 'seg_tty' , tty_base , '__W_' , 0, 0, 'PSEG_TTY' ) |
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277 | vseg.add ( Vobj( 'tty' , tty_size , 'PERI' ) ) |
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278 | mapping.addGlobal( vseg ) |
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279 | |
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280 | vseg = Vseg( 'seg_nic' , nic_base , '__W_' , 0, 0, 'PSEG_NIC' ) |
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281 | vseg.add ( Vobj( 'nic' , nic_size , 'PERI' ) ) |
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282 | mapping.addGlobal( vseg ) |
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283 | |
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284 | vseg = Vseg( 'seg_cma' , cma_base , '__W_' , 0, 0, 'PSEG_CMA' ) |
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285 | vseg.add ( Vobj( 'cma' , cma_size , 'PERI' ) ) |
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286 | mapping.addGlobal( vseg ) |
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287 | |
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288 | vseg = Vseg( 'seg_fbf' , fbf_base , '__W_' , 0, 0, 'PSEG_FBF' ) |
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289 | vseg.add ( Vobj( 'fbf' , fbf_size , 'PERI' ) ) |
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290 | mapping.addGlobal( vseg ) |
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291 | |
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292 | vseg = Vseg( 'seg_pic' , pic_base , '__W_' , 0, 0, 'PSEG_PIC' ) |
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293 | vseg.add ( Vobj( 'pic' , pic_size , 'PERI' ) ) |
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294 | mapping.addGlobal( vseg ) |
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295 | |
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296 | vseg = Vseg( 'seg_rom' , rom_base , 'CXW_' , 0, 0, 'PSEG_ROM' ) |
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297 | vseg.add ( Vobj( 'rom' , rom_size , 'PERI' ) ) |
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298 | mapping.addGlobal( vseg ) |
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299 | |
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300 | ### Global vsegs for replicated XCU, DMA, MMC and Scheduler ### |
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301 | |
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302 | for x in xrange (x_size): |
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303 | for y in xrange (y_size): |
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304 | offset = ((x << y_width) + y) << 16 |
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305 | |
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306 | vseg = Vseg( 'seg_xcu_%d_%d' %(x,y) , xcu_base + offset, '__W_' , x, y, 'PSEG_XCU' ) |
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307 | vseg.add ( Vobj( 'xcu_%d_%d' %(x,y) , xcu_size, 'PERI' ) ) |
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308 | mapping.addGlobal( vseg ) |
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309 | |
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310 | vseg = Vseg( 'seg_dma_%d_%d' %(x,y) , dma_base + offset, '__W_' , x, y, 'PSEG_DMA' ) |
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311 | vseg.add ( Vobj( 'dma_%d_%d' %(x,y) , dma_size, 'PERI' ) ) |
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312 | mapping.addGlobal( vseg ) |
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313 | |
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314 | vseg = Vseg( 'seg_mmc_%d_%d' %(x,y) , mmc_base + offset, '__W_' , x, y, 'PSEG_MMC' ) |
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315 | vseg.add ( Vobj( 'mmc_%d_%d' %(x,y) , mmc_size, 'PERI' ) ) |
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316 | mapping.addGlobal( vseg ) |
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317 | |
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318 | vseg = Vseg( 'seg_sch_%d_%d' %(x,y) , kernel_sched_vbase + offset, '__W_' , x, y, 'PSEG_RAM' ) |
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319 | vseg.add ( Vobj( 'sch_%d_%d' %(x,y) , kernel_sched_vsize, 'SCHED' ) ) |
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320 | mapping.addGlobal( vseg ) |
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321 | |
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322 | ### return mapping ### |
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323 | |
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324 | return mapping |
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325 | |
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326 | ################################# transpose test ####################################################### |
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327 | |
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328 | if __name__ == '__main__': |
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329 | print tsar_generic_iob() |
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330 | |
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331 | |
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332 | # Local Variables: |
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333 | # tab-width: 4; |
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334 | # c-basic-offset: 4; |
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335 | # c-file-offsets:((innamespace . 0)(inline-open . 0)); |
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336 | # indent-tabs-mode: nil; |
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337 | # End: |
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338 | # |
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339 | # vim: filetype=python:expandtab:shiftwidth=4:tabstop=4:softtabstop=4 |
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340 | |
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