| machdep.c (217688) | machdep.c (222400) |
|---|---|
| 1/*- 2 * Copyright (C) 2006 Semihalf, Marian Balakowicz <m8@semihalf.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 65 unchanged lines hidden (view full) --- 74 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 75 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 76 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 77 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 78 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 79 */ 80 81#include <sys/cdefs.h> | 1/*- 2 * Copyright (C) 2006 Semihalf, Marian Balakowicz <m8@semihalf.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 65 unchanged lines hidden (view full) --- 74 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 75 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 76 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 77 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 78 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 79 */ 80 81#include <sys/cdefs.h> |
| 82__FBSDID("$FreeBSD: head/sys/powerpc/booke/machdep.c 217688 2011-01-21 10:26:26Z pluknet $"); | 82__FBSDID("$FreeBSD: head/sys/powerpc/booke/machdep.c 222400 2011-05-28 04:10:44Z marcel $"); |
| 83 84#include "opt_compat.h" 85#include "opt_ddb.h" 86#include "opt_kstack_pages.h" 87#include "opt_platform.h" 88 89#include <sys/cdefs.h> 90#include <sys/types.h> --- 94 unchanged lines hidden (view full) --- 185 186int hw_direct_map = 0; 187 188static void cpu_e500_startup(void *); 189SYSINIT(cpu, SI_SUB_CPU, SI_ORDER_FIRST, cpu_e500_startup, NULL); 190 191void print_kernel_section_addr(void); 192void print_kenv(void); | 83 84#include "opt_compat.h" 85#include "opt_ddb.h" 86#include "opt_kstack_pages.h" 87#include "opt_platform.h" 88 89#include <sys/cdefs.h> 90#include <sys/types.h> --- 94 unchanged lines hidden (view full) --- 185 186int hw_direct_map = 0; 187 188static void cpu_e500_startup(void *); 189SYSINIT(cpu, SI_SUB_CPU, SI_ORDER_FIRST, cpu_e500_startup, NULL); 190 191void print_kernel_section_addr(void); 192void print_kenv(void); |
| 193u_int e500_init(u_int32_t, u_int32_t, void *); | 193u_int booke_init(uint32_t, uint32_t); |
| 194 195static void 196cpu_e500_startup(void *dummy) 197{ 198 int indx, size; 199 200 /* Initialise the decrementer-based clock. */ 201 decr_init(); --- 69 unchanged lines hidden (view full) --- 271 debugf(" _edata = 0x%08x\n", (uint32_t)_edata); 272 debugf(" __sbss_start = 0x%08x\n", (uint32_t)__sbss_start); 273 debugf(" __sbss_end = 0x%08x\n", (uint32_t)__sbss_end); 274 debugf(" __sbss_start = 0x%08x\n", (uint32_t)__bss_start); 275 debugf(" _end = 0x%08x\n", (uint32_t)_end); 276} 277 278u_int | 194 195static void 196cpu_e500_startup(void *dummy) 197{ 198 int indx, size; 199 200 /* Initialise the decrementer-based clock. */ 201 decr_init(); --- 69 unchanged lines hidden (view full) --- 271 debugf(" _edata = 0x%08x\n", (uint32_t)_edata); 272 debugf(" __sbss_start = 0x%08x\n", (uint32_t)__sbss_start); 273 debugf(" __sbss_end = 0x%08x\n", (uint32_t)__sbss_end); 274 debugf(" __sbss_start = 0x%08x\n", (uint32_t)__bss_start); 275 debugf(" _end = 0x%08x\n", (uint32_t)_end); 276} 277 278u_int |
| 279e500_init(u_int32_t startkernel, u_int32_t endkernel, void *mdp) | 279booke_init(uint32_t arg1, uint32_t arg2) |
| 280{ 281 struct pcpu *pc; | 280{ 281 struct pcpu *pc; |
| 282 void *kmdp; | 282 void *kmdp, *mdp; |
| 283 vm_offset_t dtbp, end; 284 uint32_t csr; 285 286 kmdp = NULL; 287 | 283 vm_offset_t dtbp, end; 284 uint32_t csr; 285 286 kmdp = NULL; 287 |
| 288 end = endkernel; | 288 end = (uintptr_t)_end; |
| 289 dtbp = (vm_offset_t)NULL; 290 291 /* | 289 dtbp = (vm_offset_t)NULL; 290 291 /* |
| 292 * Handle the various ways we can get loaded and started: 293 * - FreeBSD's loader passes the pointer to the metadata 294 * in arg1, with arg2 undefined. arg1 has a value that's 295 * relative to the kernel's link address (i.e. larger 296 * than 0xc0000000). 297 * - Juniper's loader passes the metadata pointer in arg2 298 * and sets arg1 to zero. This is to signal that the 299 * loader maps the kernel and starts it at its link 300 * address (unlike the FreeBSD loader). 301 * - U-Boot passes the standard argc and argv parameters 302 * in arg1 and arg2 (resp). arg1 is between 1 and some 303 * relatively small number, such as 64K. arg2 is the 304 * physical address of the argv vector. 305 */ 306 if (arg1 > (uintptr_t)kernel_text) /* FreeBSD loader */ 307 mdp = (void *)arg1; 308 else if (arg1 == 0) /* Juniper loader */ 309 mdp = (void *)arg2; 310 else /* U-Boot */ 311 mdp = NULL; 312 313 /* |
|
| 292 * Parse metadata and fetch parameters. 293 */ 294 if (mdp != NULL) { 295 preload_metadata = mdp; 296 kmdp = preload_search_by_type("elf kernel"); 297 if (kmdp != NULL) { 298 boothowto = MD_FETCH(kmdp, MODINFOMD_HOWTO, int); 299 kern_envp = MD_FETCH(kmdp, MODINFOMD_ENVP, char *); --- 4 unchanged lines hidden (view full) --- 304 MODINFO_METADATA | MODINFOMD_BOOTINFO); 305 306#ifdef DDB 307 ksym_start = MD_FETCH(kmdp, MODINFOMD_SSYM, uintptr_t); 308 ksym_end = MD_FETCH(kmdp, MODINFOMD_ESYM, uintptr_t); 309#endif 310 } 311 } else { | 314 * Parse metadata and fetch parameters. 315 */ 316 if (mdp != NULL) { 317 preload_metadata = mdp; 318 kmdp = preload_search_by_type("elf kernel"); 319 if (kmdp != NULL) { 320 boothowto = MD_FETCH(kmdp, MODINFOMD_HOWTO, int); 321 kern_envp = MD_FETCH(kmdp, MODINFOMD_ENVP, char *); --- 4 unchanged lines hidden (view full) --- 326 MODINFO_METADATA | MODINFOMD_BOOTINFO); 327 328#ifdef DDB 329 ksym_start = MD_FETCH(kmdp, MODINFOMD_SSYM, uintptr_t); 330 ksym_end = MD_FETCH(kmdp, MODINFOMD_ESYM, uintptr_t); 331#endif 332 } 333 } else { |
| 312 /* 313 * We should scream but how? Cannot even output anything... 314 */ 315 316 /* 317 * FIXME add return value and handle in the locore so we can 318 * return to the loader maybe? (this seems not very easy to 319 * restore everything as the TLB have all been reprogrammed 320 * in the locore etc...) 321 */ 322 while (1); | 334 bzero(__sbss_start, __sbss_end - __sbss_start); 335 bzero(__bss_start, _end - __bss_start); |
| 323 } 324 325#if defined(FDT_DTB_STATIC) 326 /* 327 * In case the device tree blob was not retrieved (from metadata) try 328 * to use the statically embedded one. 329 */ 330 if (dtbp == (vm_offset_t)NULL) --- 32 unchanged lines hidden (view full) --- 363 364 /* Initialize system mutexes. */ 365 mutex_init(); 366 367 /* Initialize the console before printing anything. */ 368 cninit(); 369 370 /* Print out some debug info... */ | 336 } 337 338#if defined(FDT_DTB_STATIC) 339 /* 340 * In case the device tree blob was not retrieved (from metadata) try 341 * to use the statically embedded one. 342 */ 343 if (dtbp == (vm_offset_t)NULL) --- 32 unchanged lines hidden (view full) --- 376 377 /* Initialize system mutexes. */ 378 mutex_init(); 379 380 /* Initialize the console before printing anything. */ 381 cninit(); 382 383 /* Print out some debug info... */ |
| 371 debugf("e500_init: console initialized\n"); 372 debugf(" arg1 startkernel = 0x%08x\n", startkernel); 373 debugf(" arg2 endkernel = 0x%08x\n", endkernel); | 384 debugf("%s: console initialized\n", __func__); |
| 374 debugf(" arg3 mdp = 0x%08x\n", (u_int32_t)mdp); 375 debugf(" end = 0x%08x\n", (u_int32_t)end); 376 debugf(" boothowto = 0x%08x\n", boothowto); 377 debugf(" kernel ccsrbar = 0x%08x\n", CCSRBAR_VA); 378 debugf(" MSR = 0x%08x\n", mfmsr()); 379 debugf(" HID0 = 0x%08x\n", mfspr(SPR_HID0)); 380 debugf(" HID1 = 0x%08x\n", mfspr(SPR_HID1)); 381 debugf(" BUCSR = 0x%08x\n", mfspr(SPR_BUCSR)); --- 16 unchanged lines hidden (view full) --- 398 kdb_enter(KDB_WHY_BOOTFLAGS, "Boot flags requested debugger"); 399#endif 400 401 /* Initialise platform module */ 402 platform_probe_and_attach(); 403 404 /* Initialise virtual memory. */ 405 pmap_mmu_install(MMU_TYPE_BOOKE, 0); | 385 debugf(" arg3 mdp = 0x%08x\n", (u_int32_t)mdp); 386 debugf(" end = 0x%08x\n", (u_int32_t)end); 387 debugf(" boothowto = 0x%08x\n", boothowto); 388 debugf(" kernel ccsrbar = 0x%08x\n", CCSRBAR_VA); 389 debugf(" MSR = 0x%08x\n", mfmsr()); 390 debugf(" HID0 = 0x%08x\n", mfspr(SPR_HID0)); 391 debugf(" HID1 = 0x%08x\n", mfspr(SPR_HID1)); 392 debugf(" BUCSR = 0x%08x\n", mfspr(SPR_BUCSR)); --- 16 unchanged lines hidden (view full) --- 409 kdb_enter(KDB_WHY_BOOTFLAGS, "Boot flags requested debugger"); 410#endif 411 412 /* Initialise platform module */ 413 platform_probe_and_attach(); 414 415 /* Initialise virtual memory. */ 416 pmap_mmu_install(MMU_TYPE_BOOKE, 0); |
| 406 pmap_bootstrap(startkernel, end); | 417 pmap_bootstrap((uintptr_t)kernel_text, end); |
| 407 debugf("MSR = 0x%08x\n", mfmsr()); 408 //tlb1_print_entries(); 409 //tlb1_print_tlbentries(); 410 411 /* Initialize params/tunables that are derived from memsize. */ 412 init_param2(physmem); 413 414 /* Finish setting up thread0. */ --- 29 unchanged lines hidden (view full) --- 444 icache_enable(); 445 } 446 447 csr = mfspr(SPR_L1CSR1); 448 if ((boothowto & RB_VERBOSE) != 0 || (csr & L1CSR1_ICE) == 0) 449 printf("L1 I-cache %sabled\n", 450 (csr & L1CSR1_ICE) ? "en" : "dis"); 451 | 418 debugf("MSR = 0x%08x\n", mfmsr()); 419 //tlb1_print_entries(); 420 //tlb1_print_tlbentries(); 421 422 /* Initialize params/tunables that are derived from memsize. */ 423 init_param2(physmem); 424 425 /* Finish setting up thread0. */ --- 29 unchanged lines hidden (view full) --- 455 icache_enable(); 456 } 457 458 csr = mfspr(SPR_L1CSR1); 459 if ((boothowto & RB_VERBOSE) != 0 || (csr & L1CSR1_ICE) == 0) 460 printf("L1 I-cache %sabled\n", 461 (csr & L1CSR1_ICE) ? "en" : "dis"); 462 |
| 452 debugf("e500_init: SP = 0x%08x\n", ((uintptr_t)thread0.td_pcb - 16) & ~15); 453 debugf("e500_init: e\n"); | 463 debugf("%s: SP = 0x%08x\n", __func__, 464 ((uintptr_t)thread0.td_pcb - 16) & ~15); |
| 454 455 return (((uintptr_t)thread0.td_pcb - 16) & ~15); 456} 457 458#define RES_GRANULE 32 459extern uint32_t tlb0_miss_locks[]; 460 461/* Initialise a struct pcpu. */ --- 156 unchanged lines hidden --- | 465 466 return (((uintptr_t)thread0.td_pcb - 16) & ~15); 467} 468 469#define RES_GRANULE 32 470extern uint32_t tlb0_miss_locks[]; 471 472/* Initialise a struct pcpu. */ --- 156 unchanged lines hidden --- |