Changeset 938 for trunk/platforms/tsar_generic_iob/arch.py
- Timestamp:
- Feb 8, 2015, 9:38:31 PM (10 years ago)
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- 1 edited
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trunk/platforms/tsar_generic_iob/arch.py (modified) (13 diffs)
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trunk/platforms/tsar_generic_iob/arch.py
r913 r938 1 #!/usr/bin/env python 1 2 2 3 from math import log, ceil 3 4 from mapping import * 4 5 5 ################################################################################## #####6 ################################################################################## 6 7 # file : arch.py (for the tsar_generic_iob architecture) 7 8 # date : may 2014 8 9 # author : Alain Greiner 9 ################################################################################## #####10 ################################################################################## 10 11 # This file contains a mapping generator for the "tsar_generic_iob" platform. 11 12 # This includes both the hardware architecture (clusters, processors, peripherals, 12 # physical space segmentation) and the mapping of all kernel objects (global vsegs). 13 # This platform includes 6 external peripherals, accessible through two IO_Bridge 14 # components located in cluster [0,0] and cluster [x_size-1, y_size-1]. 15 # Available peripherals are: TTY, BDV, FBF, ROM, NIC, CMA. 13 # physical space segmentation) and the mapping of all boot and kernel objects 14 # (global vsegs). 15 # 16 # This platform includes 6 external peripherals, accessible through an IOB 17 # components located in cluster [0,0] or in cluster [x_size-1, y_size-1]. 18 # Available peripherals are: TTY, BDV, FBF, ROM, NIC, CMA, PIC. 19 # 20 # All clusters contain (nb_procs) processors, one L2 cache, one XCU, and 21 # one DMA controller. 16 22 # 17 23 # The "constructor" parameters are: … … 22 28 # - fbf_width : frame_buffer width = frame_buffer heigth 23 29 # 24 # The "hidden" parameters (defined below)are:30 # The other hardware parameters are: 25 31 # - nb_nics : number of NIC channels 32 # - nb_cmas : number of CMA channels 26 33 # - x_io : cluster_io x coordinate 27 34 # - y_io : cluster_io y coordinate … … 33 40 # - vseg_increment : address increment for replicated peripherals 34 41 # 35 # Regarding physical memory allocation, there is one allocator per cluster: 36 # - We use only one big physical page (2 Mbytes) for the four boot vsegs, 37 # allocated in cluster[0,0], identity mapping. 38 # - We use one big page per cluster for the kernel vsegs. 39 # The kernel_code, kernel_init and kernel_ptab can be replicated in all clusters. 40 # The kernel_data and kernel_uncdata shared vsegs are only mapped in cluster[0,0]. 41 # - We use 8 small physical pages (4 Kbytes) per cluster for the schedulers. 42 # - We use one big page for each external peripheral in IO cluster, 43 # - We use one small page per cluster for each internal peripheral. 44 ################################################################################### 42 # Regarding the boot and kernel vsegs mapping : 43 # - We use one big physical page (2 Mbytes) for the preloader and the four 44 # boot vsegs, all allocated in cluster[0,0]. 45 # - We use one big page per cluster for the replicated kernel code vsegs. 46 # - We use one big page in cluster[0][0] for the kernel data vseg. 47 # - We use one big page per cluster for the distributed kernel heap vsegs. 48 # - We use one big page per cluster for the distributed ptab vsegs. 49 # - We use small physical pages (4 Kbytes) per cluster for the schedulers. 50 # - We use one big page for each external peripheral in IO cluster, 51 # - We use one small page per cluster for each internal peripheral. 52 ################################################################################## 45 53 46 54 ######################## … … 80 88 ((x_io == x_size-1) and (y_io == y_size-1)) ) 81 89 82 platform_name = 'tsar_iob_%d_%d_%d_%d_%d' % (x_size,y_size,nb_procs,nb_ttys,fbf_width) 83 84 ### define replicated physical segments 85 ### These segments are replicated in all clusters 90 ### define type and name 91 92 platform_type = 'tsar_iob' 93 platform_name = '%s_%d_%d_%d' % ( platform_type, x_size, y_size , nb_procs ) 94 95 ### define physical segments replicated in all clusters 86 96 87 97 ram_base = 0x0000000000 … … 145 155 ### code, init, ptab, heap & sched vsegs are replicated in all clusters. 146 156 ### data & uncdata vsegs are only mapped in cluster[0][0]. 147 ### - We use one BIG page for code vsegs in each cluster.148 ### - We use one BIG page for ptab vsegs in each cluster.149 ### - we use one BIG page for heap vsegs in each cluster.150 ### - We use 2*procs SMALL pages for sched vsegs in each cluster.151 ### - We use one BIG page for data vseg in cluster[0,0].152 ### - we use one SMALL page for uncdata in cluster[0,0].153 157 154 158 kernel_code_vbase = 0x80000000 … … 173 177 kernel_sched_size = 0x00002000*nb_procs # 8 Kbytes per proc per cluster 174 178 179 ######################### 175 180 ### create mapping 181 ######################### 176 182 177 183 mapping = Mapping( name = platform_name, … … 192 198 ram_size = ram_size ) 193 199 194 ### external peripherals (accessible in cluster[0,0] only for this mapping) 195 196 iob = mapping.addPeriph( 'IOB', base = iob_base, size = iob_size, ptype = 'IOB' ) 197 198 bdv = mapping.addPeriph( 'BDV', base = bdv_base, size = bdv_size, ptype = 'IOC', subtype = 'BDV' ) 199 200 tty = mapping.addPeriph( 'TTY', base = tty_base, size = tty_size, ptype = 'TTY', channels = nb_ttys ) 201 202 nic = mapping.addPeriph( 'NIC', base = nic_base, size = nic_size, ptype = 'NIC', channels = nb_nics ) 203 204 cma = mapping.addPeriph( 'CMA', base = cma_base, size = cma_size, ptype = 'CMA', channels = nb_cmas ) 205 206 fbf = mapping.addPeriph( 'FBF', base = fbf_base, size = fbf_size, ptype = 'FBF', arg = fbf_width ) 207 208 rom = mapping.addPeriph( 'ROM', base = rom_base, size = rom_size, ptype = 'ROM' ) 209 210 pic = mapping.addPeriph( 'PIC', base = pic_base, size = pic_size, ptype = 'PIC', channels = 32 ) 211 212 mapping.addIrq( pic, index = 0, isrtype = 'ISR_NIC_RX', channel = 0 ) 213 mapping.addIrq( pic, index = 1, isrtype = 'ISR_NIC_RX', channel = 1 ) 214 215 mapping.addIrq( pic, index = 2, isrtype = 'ISR_NIC_TX', channel = 0 ) 216 mapping.addIrq( pic, index = 3, isrtype = 'ISR_NIC_TX', channel = 1 ) 217 218 mapping.addIrq( pic, index = 4, isrtype = 'ISR_CMA' , channel = 0 ) 219 mapping.addIrq( pic, index = 5, isrtype = 'ISR_CMA' , channel = 1 ) 220 mapping.addIrq( pic, index = 6, isrtype = 'ISR_CMA' , channel = 2 ) 221 mapping.addIrq( pic, index = 7, isrtype = 'ISR_CMA' , channel = 3 ) 222 223 mapping.addIrq( pic, index = 8, isrtype = 'ISR_BDV' , channel = 0 ) 224 225 mapping.addIrq( pic, index = 16, isrtype = 'ISR_TTY_RX', channel = 0 ) 226 mapping.addIrq( pic, index = 17, isrtype = 'ISR_TTY_RX', channel = 1 ) 227 mapping.addIrq( pic, index = 18, isrtype = 'ISR_TTY_RX', channel = 2 ) 228 mapping.addIrq( pic, index = 19, isrtype = 'ISR_TTY_RX', channel = 3 ) 229 mapping.addIrq( pic, index = 20, isrtype = 'ISR_TTY_RX', channel = 4 ) 230 mapping.addIrq( pic, index = 21, isrtype = 'ISR_TTY_RX', channel = 5 ) 231 mapping.addIrq( pic, index = 22, isrtype = 'ISR_TTY_RX', channel = 6 ) 232 mapping.addIrq( pic, index = 23, isrtype = 'ISR_TTY_RX', channel = 7 ) 233 mapping.addIrq( pic, index = 24, isrtype = 'ISR_TTY_RX', channel = 8 ) 234 mapping.addIrq( pic, index = 25, isrtype = 'ISR_TTY_RX', channel = 9 ) 235 mapping.addIrq( pic, index = 26, isrtype = 'ISR_TTY_RX', channel = 10 ) 236 mapping.addIrq( pic, index = 27, isrtype = 'ISR_TTY_RX', channel = 11 ) 237 mapping.addIrq( pic, index = 28, isrtype = 'ISR_TTY_RX', channel = 12 ) 238 mapping.addIrq( pic, index = 29, isrtype = 'ISR_TTY_RX', channel = 13 ) 239 mapping.addIrq( pic, index = 30, isrtype = 'ISR_TTY_RX', channel = 14 ) 240 mapping.addIrq( pic, index = 31, isrtype = 'ISR_TTY_RX', channel = 15 ) 241 242 ### hardware components replicated in all clusters 200 201 ############################# 202 ### Hardware Components 203 ############################# 243 204 244 205 for x in xrange( x_size ): … … 247 208 offset = cluster_xy << (paddr_width - x_width - y_width) 248 209 249 ram = mapping.addRam( 'RAM', base = ram_base + offset, size = ram_size ) 250 251 mmc = mapping.addPeriph( 'MMC', base = mmc_base + offset, size = mmc_size, 252 ptype = 'MMC' ) 253 254 dma = mapping.addPeriph( 'DMA', base = dma_base + offset, size = dma_size, 255 ptype = 'DMA', channels = nb_procs ) 256 257 xcu = mapping.addPeriph( 'XCU', base = xcu_base + offset, size = xcu_size, 258 ptype = 'XCU', channels = nb_procs * irq_per_proc, arg = 32 ) 259 260 # MMC IRQ replicated in all clusters 210 ### components replicated in all clusters 211 ram = mapping.addRam( 'RAM', base = ram_base + offset, 212 size = ram_size ) 213 214 mmc = mapping.addPeriph( 'MMC', base = mmc_base + offset, 215 size = mmc_size, ptype = 'MMC' ) 216 217 dma = mapping.addPeriph( 'DMA', base = dma_base + offset, 218 size = dma_size, ptype = 'DMA', 219 channels = nb_procs ) 220 221 xcu = mapping.addPeriph( 'XCU', base = xcu_base + offset, 222 size = xcu_size, ptype = 'XCU', 223 channels = nb_procs * irq_per_proc, arg = 32 ) 224 261 225 mapping.addIrq( xcu, index = 0, isrtype = 'ISR_MMC' ) 262 226 263 # DMA IRQ replicated in all clusters264 227 for i in xrange ( dma.channels ): 265 228 mapping.addIrq( xcu, index = 1+i, isrtype = 'ISR_DMA', 266 channel = i ) 267 268 # processors 229 channel = i ) 230 269 231 for p in xrange ( nb_procs ): 270 232 mapping.addProc( x, y, p ) 233 234 ### external peripherals in cluster_io 235 if ( (x==x_io) and (y==y_io) ): 236 237 iob = mapping.addPeriph( 'IOB', base = iob_base, size = iob_size, 238 ptype = 'IOB' ) 239 240 bdv = mapping.addPeriph( 'BDV', base = bdv_base, size = bdv_size, 241 ptype = 'IOC', subtype = 'BDV' ) 242 243 tty = mapping.addPeriph( 'TTY', base = tty_base, size = tty_size, 244 ptype = 'TTY', channels = nb_ttys ) 245 246 nic = mapping.addPeriph( 'NIC', base = nic_base, size = nic_size, 247 ptype = 'NIC', channels = nb_nics ) 248 249 cma = mapping.addPeriph( 'CMA', base = cma_base, size = cma_size, 250 ptype = 'CMA', channels = nb_cmas ) 251 252 fbf = mapping.addPeriph( 'FBF', base = fbf_base, size = fbf_size, 253 ptype = 'FBF', arg = fbf_width ) 254 255 rom = mapping.addPeriph( 'ROM', base = rom_base, size = rom_size, 256 ptype = 'ROM' ) 257 258 pic = mapping.addPeriph( 'PIC', base = pic_base, size = pic_size, 259 ptype = 'PIC', channels = 32 ) 260 261 mapping.addIrq( pic, index = 0, isrtype = 'ISR_NIC_RX', channel = 0 ) 262 mapping.addIrq( pic, index = 1, isrtype = 'ISR_NIC_RX', channel = 1 ) 263 264 mapping.addIrq( pic, index = 2, isrtype = 'ISR_NIC_TX', channel = 0 ) 265 mapping.addIrq( pic, index = 3, isrtype = 'ISR_NIC_TX', channel = 1 ) 266 267 mapping.addIrq( pic, index = 4, isrtype = 'ISR_CMA' , channel = 0 ) 268 mapping.addIrq( pic, index = 5, isrtype = 'ISR_CMA' , channel = 1 ) 269 mapping.addIrq( pic, index = 6, isrtype = 'ISR_CMA' , channel = 2 ) 270 mapping.addIrq( pic, index = 7, isrtype = 'ISR_CMA' , channel = 3 ) 271 272 mapping.addIrq( pic, index = 8, isrtype = 'ISR_BDV' , channel = 0 ) 273 274 mapping.addIrq( pic, index = 16, isrtype = 'ISR_TTY_RX', channel = 0 ) 275 mapping.addIrq( pic, index = 17, isrtype = 'ISR_TTY_RX', channel = 1 ) 276 mapping.addIrq( pic, index = 18, isrtype = 'ISR_TTY_RX', channel = 2 ) 277 mapping.addIrq( pic, index = 19, isrtype = 'ISR_TTY_RX', channel = 3 ) 278 mapping.addIrq( pic, index = 20, isrtype = 'ISR_TTY_RX', channel = 4 ) 279 mapping.addIrq( pic, index = 21, isrtype = 'ISR_TTY_RX', channel = 5 ) 280 mapping.addIrq( pic, index = 22, isrtype = 'ISR_TTY_RX', channel = 6 ) 281 mapping.addIrq( pic, index = 23, isrtype = 'ISR_TTY_RX', channel = 7 ) 282 mapping.addIrq( pic, index = 24, isrtype = 'ISR_TTY_RX', channel = 8 ) 283 mapping.addIrq( pic, index = 25, isrtype = 'ISR_TTY_RX', channel = 9 ) 284 mapping.addIrq( pic, index = 26, isrtype = 'ISR_TTY_RX', channel = 10 ) 285 mapping.addIrq( pic, index = 27, isrtype = 'ISR_TTY_RX', channel = 11 ) 286 mapping.addIrq( pic, index = 28, isrtype = 'ISR_TTY_RX', channel = 12 ) 287 mapping.addIrq( pic, index = 29, isrtype = 'ISR_TTY_RX', channel = 13 ) 288 mapping.addIrq( pic, index = 30, isrtype = 'ISR_TTY_RX', channel = 14 ) 289 mapping.addIrq( pic, index = 31, isrtype = 'ISR_TTY_RX', channel = 15 ) 290 291 292 #################################### 293 ### Boot & Kernel vsegs mapping 294 #################################### 271 295 272 296 ### global vsegs for boot_loader … … 289 313 'CXW_', vtype = 'BUFFER', x = 0, y = 0, pseg = 'RAM', 290 314 identity = True , local = False, big = True ) 315 316 ### global vsegs kernel_code, kernel_init : big / local 317 ### replicated in all clusters with the same name & same vbase 318 for x in xrange( x_size ): 319 for y in xrange( y_size ): 320 mapping.addGlobal( 'seg_kernel_code', kernel_code_vbase, kernel_code_size, 321 'CXW_', vtype = 'ELF', x = x , y = y , pseg = 'RAM', 322 binpath = 'build/kernel/kernel.elf', 323 local = True, big = True ) 324 325 mapping.addGlobal( 'seg_kernel_init', kernel_init_vbase, kernel_init_size, 326 'CXW_', vtype = 'ELF', x = x , y = y , pseg = 'RAM', 327 binpath = 'build/kernel/kernel.elf', 328 local = True, big = True ) 291 329 292 330 ### Global vsegs kernel_ptab_x_y : big / non local … … 299 337 'CXW_', vtype = 'PTAB', x = x, y = y, pseg = 'RAM', 300 338 local = False , big = True ) 301 302 ### global vsegs kernel_code, kernel_init : big / local303 ### replicated in all clusters with the same name & same vbase304 for x in xrange( x_size ):305 for y in xrange( y_size ):306 mapping.addGlobal( 'seg_kernel_code', kernel_code_vbase, kernel_code_size,307 'CXW_', vtype = 'ELF', x = x , y = y , pseg = 'RAM',308 binpath = 'build/kernel/kernel.elf',309 local = True, big = True )310 311 mapping.addGlobal( 'seg_kernel_init', kernel_init_vbase, kernel_init_size,312 'CXW_', vtype = 'ELF', x = x , y = y , pseg = 'RAM',313 binpath = 'build/kernel/kernel.elf',314 local = True, big = True )315 339 316 340 ### global vseg kernel_data : big / non local … … 333 357 for y in xrange( y_size ): 334 358 offset = ((x << y_width) + y) * kernel_sched_size 335 mapping.addGlobal( 'seg_kernel_sched_%d_%d' %(x,y), kernel_sched_vbase + offset , kernel_sched_size, 359 mapping.addGlobal( 'seg_kernel_sched_%d_%d' %(x,y), 360 kernel_sched_vbase + offset , kernel_sched_size, 336 361 'C_W_', vtype = 'SCHED', x = x , y = y , pseg = 'RAM', 337 362 local = False, big = False ) … … 342 367 for y in xrange( y_size ): 343 368 offset = ((x << y_width) + y) * kernel_heap_size 344 mapping.addGlobal( 'seg_kernel_heap_%d_%d' %(x,y), kernel_heap_vbase + offset , kernel_heap_size, 369 mapping.addGlobal( 'seg_kernel_heap_%d_%d' %(x,y), 370 kernel_heap_vbase + offset , kernel_heap_size, 345 371 'C_W_', vtype = 'HEAP', x = x , y = y , pseg = 'RAM', 346 372 local = False, big = True ) … … 398 424 local = False, big = False ) 399 425 400 ### return mapping ###401 402 426 return mapping 403 427 404 ################################# platform test #################################### ###################428 ################################# platform test #################################### 405 429 406 430 if __name__ == '__main__':
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