1 | //////////////////////////////////////////////////////////////////////////// |
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2 | // File : mapping_info.h |
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3 | // Date : 01/04/2012 |
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4 | // Author : alain greiner |
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5 | // Copyright (c) UPMC-LIP6 |
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6 | //////////////////////////////////////////////////////////////////////////// |
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7 | // The MAPPING_INFO data structure, used by the GIET_VM kernel contains: |
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8 | // |
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9 | // 1) a description of a clusterized hardware architecture. |
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10 | // The number of cluster is variable (can be one). |
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11 | // The number of processors per cluster is variable (can be zero). |
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12 | // The number of peripherals per cluster is variable (can be zero), |
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13 | // The number of physical memory bank per cluster is variable. |
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14 | // |
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15 | // 2/ a description of the applications (called vspaces) to be - statically - |
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16 | // launched on the platform. The number of parallel tasks per application is |
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17 | // variable (can be one). Each vspace contains a variable number |
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18 | // of virtual segments (called vsegs). |
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19 | // |
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20 | // 3/ the mapping directives: both tasks on processors, and software objects |
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21 | // (vsegs) on the physical memory banks (psegs). |
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22 | // |
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23 | // The mapping_info data structure is organised as the concatenation of |
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24 | // a fixed size header, and 8 variable size arrays: |
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25 | // |
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26 | // - mapping_cluster_t cluster[] |
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27 | // - mapping_pseg_t pseg[] |
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28 | // - mapping_vspace_t vspace[] |
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29 | // - mapping_vseg_t vseg[] |
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30 | // - mapping_task_t task[] |
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31 | // - mapping_proc_t proc[] |
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32 | // - mapping_irq_t irq[] |
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33 | // - mapping_periph_t periph[] |
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34 | // |
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35 | // It is intended to be stored in memory in the seg_boot_mapping segment. |
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36 | //////////////////////////////////////////////////////////////////////////// |
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37 | |
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38 | #ifndef _MAPPING_INFO_H_ |
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39 | #define _MAPPING_INFO_H_ |
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40 | |
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41 | #define MAPPING_HEADER_SIZE sizeof(mapping_header_t) |
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42 | #define MAPPING_CLUSTER_SIZE sizeof(mapping_cluster_t) |
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43 | #define MAPPING_VSPACE_SIZE sizeof(mapping_vspace_t) |
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44 | #define MAPPING_VSEG_SIZE sizeof(mapping_vseg_t) |
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45 | #define MAPPING_PSEG_SIZE sizeof(mapping_pseg_t) |
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46 | #define MAPPING_TASK_SIZE sizeof(mapping_task_t) |
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47 | #define MAPPING_PROC_SIZE sizeof(mapping_proc_t) |
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48 | #define MAPPING_IRQ_SIZE sizeof(mapping_irq_t) |
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49 | #define MAPPING_PERIPH_SIZE sizeof(mapping_periph_t) |
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50 | |
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51 | #define C_MODE_MASK 0b1000 // cacheable |
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52 | #define X_MODE_MASK 0b0100 // executable |
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53 | #define W_MODE_MASK 0b0010 // writable |
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54 | #define U_MODE_MASK 0b0001 // user access |
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55 | |
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56 | #define IN_MAPPING_SIGNATURE 0xDACE2014 |
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57 | #define OUT_MAPPING_SIGNATURE 0xBABEF00D |
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58 | |
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59 | typedef unsigned long long paddr_t; |
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60 | |
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61 | enum vsegType |
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62 | { |
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63 | VSEG_TYPE_ELF = 0, // loadable code/data object of elf files |
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64 | VSEG_TYPE_BLOB = 1, // loadable blob object |
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65 | VSEG_TYPE_PTAB = 2, // page table |
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66 | VSEG_TYPE_PERI = 3, // hardware component |
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67 | VSEG_TYPE_BUFFER = 4, // no initialization object (stacks...) |
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68 | VSEG_TYPE_SCHED = 5, // scheduler |
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69 | VSEG_TYPE_HEAP = 6, // heap |
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70 | }; |
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71 | |
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72 | enum irqType |
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73 | { |
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74 | IRQ_TYPE_HWI = 0, // HARD in map.xml file |
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75 | IRQ_TYPE_WTI = 1, // SOFT in map.xml file, |
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76 | IRQ_TYPE_PTI = 2, // TIME in map.xml file, |
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77 | }; |
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78 | |
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79 | |
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80 | enum psegType |
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81 | { |
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82 | PSEG_TYPE_RAM = 0, |
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83 | PSEG_TYPE_PERI = 2, |
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84 | }; |
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85 | |
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86 | |
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87 | //////////////////////////////////////////////////////////////////// |
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88 | // These enum must be coherent with the values in |
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89 | // xml_driver.c / xml_parser.c / mapping.py |
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90 | /////////////////////////////////////////////////////////////////// |
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91 | enum periphTypes |
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92 | { |
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93 | PERIPH_TYPE_CMA = 0, |
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94 | PERIPH_TYPE_DMA = 1, |
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95 | PERIPH_TYPE_FBF = 2, |
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96 | PERIPH_TYPE_IOB = 3, |
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97 | PERIPH_TYPE_IOC = 4, |
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98 | PERIPH_TYPE_MMC = 5, |
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99 | PERIPH_TYPE_MWR = 6, |
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100 | PERIPH_TYPE_NIC = 7, |
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101 | PERIPH_TYPE_ROM = 8, |
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102 | PERIPH_TYPE_SIM = 9, |
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103 | PERIPH_TYPE_TIM = 10, |
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104 | PERIPH_TYPE_TTY = 11, |
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105 | PERIPH_TYPE_XCU = 12, |
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106 | PERIPH_TYPE_PIC = 13, |
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107 | PERIPH_TYPE_DROM = 14, |
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108 | |
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109 | PERIPH_TYPE_MAX_VALUE = 15, |
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110 | }; |
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111 | |
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112 | enum iocTypes |
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113 | { |
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114 | IOC_SUBTYPE_BDV = 0, |
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115 | IOC_SUBTYPE_HBA = 1, |
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116 | IOC_SUBTYPE_SDC = 2, |
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117 | IOC_SUBTYPE_SPI = 3, |
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118 | }; |
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119 | |
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120 | enum mwrTypes |
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121 | { |
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122 | MWR_SUBTYPE_GCD = 0, |
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123 | MWR_SUBTYPE_DCT = 1, |
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124 | MWR_SUBTYPE_CPY = 2, |
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125 | }; |
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126 | |
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127 | ////////////////////////////////////////////////////////// |
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128 | // This enum must be coherent with the values in |
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129 | // mwr_driver.h |
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130 | ////////////////////////////////////////////////////////// |
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131 | enum MwmrDmaModes |
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132 | { |
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133 | MODE_MWMR = 0, |
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134 | MODE_DMA_IRQ = 1, |
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135 | MODE_DMA_NO_IRQ = 2, |
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136 | }; |
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137 | |
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138 | //////////////////////////////////////////////////////// |
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139 | typedef struct __attribute__((packed)) mapping_header_s |
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140 | { |
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141 | unsigned int signature; // must contain IN_MAPPING_SIGNATURE |
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142 | unsigned int x_size; // actual number of clusters in a row |
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143 | unsigned int y_size; // actual number of clusters in a column |
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144 | unsigned int x_width; // number of bits to encode x coordinate |
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145 | unsigned int y_width; // number of bits to encode y coordinate |
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146 | unsigned int x_io; // x coordinate for cluster_io_ext |
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147 | unsigned int y_io; // y coordinate for cluster_io_ext |
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148 | unsigned int irq_per_proc; // number of IRQ per processor |
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149 | unsigned int use_ram_disk; // does not use IOC peripheral if non zero |
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150 | unsigned int globals; // total number of global vsegs |
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151 | unsigned int vspaces; // total number of virtual spaces |
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152 | unsigned int psegs; // total number of physical segments |
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153 | unsigned int vsegs; // total number of virtual segments |
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154 | unsigned int tasks; // total number of tasks |
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155 | unsigned int procs; // total number of processors |
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156 | unsigned int irqs; // total number of irqs |
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157 | unsigned int periphs; // total number of peripherals |
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158 | char name[64]; // mapping name |
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159 | } mapping_header_t; |
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160 | |
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161 | |
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162 | ///////////////////////////////////////////////////////// |
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163 | typedef struct __attribute__((packed)) mapping_cluster_s |
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164 | { |
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165 | unsigned int x; // x coordinate |
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166 | unsigned int y; // y coordinate |
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167 | |
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168 | unsigned int psegs; // number of psegs in cluster |
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169 | unsigned int pseg_offset; // global index of first pseg in cluster |
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170 | |
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171 | unsigned int procs; // number of processors in cluster |
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172 | unsigned int proc_offset; // global index of first proc in cluster |
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173 | |
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174 | unsigned int periphs; // number of peripherals in cluster |
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175 | unsigned int periph_offset; // global index of first coproc in cluster |
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176 | } mapping_cluster_t; |
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177 | |
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178 | |
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179 | //////////////////////////////////////////////////////// |
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180 | typedef struct __attribute__((packed)) mapping_vspace_s |
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181 | { |
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182 | char name[32]; // virtual space name |
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183 | unsigned int start_vseg_id; // vseg containing start vector index |
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184 | unsigned int vsegs; // number of vsegs in vspace |
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185 | unsigned int tasks; // number of tasks in vspace |
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186 | unsigned int vseg_offset; // global index of first vseg in vspace |
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187 | unsigned int task_offset; // global index of first task in vspace |
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188 | unsigned int active; // always active if non zero |
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189 | } mapping_vspace_t; |
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190 | |
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191 | |
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192 | ////////////////////////////////////////////////////// |
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193 | typedef struct __attribute__((packed)) mapping_vseg_s |
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194 | { |
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195 | char name[32]; // vseg name (unique in vspace) |
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196 | char binpath[64]; // path for the binary code (if required) |
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197 | unsigned int vbase; // base address in virtual space |
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198 | paddr_t pbase; // base address in physical space |
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199 | unsigned int length; // size (bytes) |
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200 | unsigned int psegid; // physical segment global index |
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201 | unsigned int mode; // C-X-W-U flags |
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202 | unsigned int type; // vseg type |
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203 | char mapped; // mapped if non zero |
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204 | char ident; // identity mapping if non zero |
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205 | char local; // only mapped in the local PTAB |
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206 | char big; // to be mapped in a big physical page |
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207 | } mapping_vseg_t; |
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208 | |
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209 | |
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210 | ////////////////////////////////////////////////////// |
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211 | typedef struct __attribute__((packed)) mapping_pseg_s |
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212 | { |
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213 | char name[32]; // pseg name (unique in a cluster) |
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214 | paddr_t base; // base address in physical space |
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215 | paddr_t length; // size (bytes) |
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216 | unsigned int type; // RAM / PERI |
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217 | unsigned int clusterid; // global index in clusters set |
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218 | unsigned int next_vseg; // linked list of vsegs mapped on pseg |
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219 | } mapping_pseg_t; |
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220 | |
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221 | |
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222 | ////////////////////////////////////////////////////// |
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223 | typedef struct __attribute__((packed)) mapping_task_s |
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224 | { |
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225 | char name[32]; // task name (unique in vspace) |
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226 | unsigned int clusterid; // global index in clusters set |
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227 | unsigned int proclocid; // processor local index (inside cluster) |
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228 | unsigned int trdid; // thread index in vspace |
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229 | unsigned int stack_vseg_id; // global index for vseg containing stack |
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230 | unsigned int heap_vseg_id; // global index for vseg containing heap |
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231 | unsigned int startid; // index in start_vector |
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232 | unsigned int ltid; // task index in scheduler (dynamically defined) |
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233 | } mapping_task_t; |
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234 | |
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235 | |
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236 | ////////////////////////////////////////////////////// |
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237 | typedef struct __attribute__((packed)) mapping_proc_s |
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238 | { |
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239 | unsigned int index; // processor local index (in cluster) |
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240 | } mapping_proc_t; |
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241 | |
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242 | |
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243 | //////////////////////////////////////////////////////// |
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244 | typedef struct __attribute__((packed)) mapping_periph_s |
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245 | { |
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246 | unsigned int type; // legal values defined above |
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247 | unsigned int subtype; // periph specialization |
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248 | unsigned int psegid; // pseg index in cluster |
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249 | unsigned int channels; // number of channels |
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250 | unsigned int arg0; // semantic depends on peripheral type |
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251 | unsigned int arg1; // semantic depends on peripheral type |
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252 | unsigned int arg2; // semantic depends on peripheral type |
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253 | unsigned int arg3; // semantic depends on peripheral type |
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254 | unsigned int irqs; // number of input IRQs (for XCU or PIC) |
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255 | unsigned int irq_offset; // index of first IRQ |
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256 | } mapping_periph_t; |
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257 | |
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258 | |
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259 | ///////////////////////////////////////////////////// |
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260 | typedef struct __attribute__((packed)) mapping_irq_s |
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261 | { |
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262 | unsigned int srctype; // source IRQ type (HWI / WTI / PTI) |
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263 | unsigned int srcid; // source IRQ index (for XCU/PIC) |
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264 | unsigned int isr; // ISR type (defined in irq_handler.h) |
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265 | unsigned int channel; // channel index (for multi-channels ISR) |
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266 | unsigned int dest_xy; // destination cluster (set by GIET_VM) |
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267 | unsigned int dest_id; // destination port (set by GIET_VM) |
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268 | } mapping_irq_t; |
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269 | |
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270 | |
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271 | #endif |
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272 | |
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273 | // Local Variables: |
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274 | // tab-width: 4 |
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275 | // c-basic-offset: 4 |
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276 | // c-file-offsets:((innamespace . 0)(inline-open . 0)) |
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277 | // indent-tabs-mode: nil |
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278 | // End: |
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279 | |
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280 | // vim: filetype=c:expandtab:shiftwidth=4:tabstop=4:softtabstop=4 |
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281 | |
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