1 /* 2 * (C) Copyright 2000-2009 3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #ifndef __COMMON_H_ 9 #define __COMMON_H_ 1 10 11 #ifndef __ASSEMBLY__ /* put C only stuff in this section */ 12 13 typedef unsigned char uchar; 14 typedef volatile unsigned long vu_long; 15 typedef volatile unsigned short vu_short; 16 typedef volatile unsigned char vu_char; 17 18 /* Allow sharing constants with type modifiers between C and assembly. */ 19 #define _AC(X, Y) (X##Y) 20 21 #include <config.h> 22 #include <errno.h> 23 #include <time.h> 24 #include <asm-offsets.h> 25 #include <linux/bitops.h> 26 #include <linux/delay.h> 27 #include <linux/types.h> 28 #include <linux/string.h> 29 #include <linux/stringify.h> 30 #include <asm/ptrace.h> 31 #include <stdarg.h> 32 #include <linux/kernel.h> 33 34 #include <part.h> 35 #include <flash.h> 36 #include <image.h> 37 38 /* Bring in printf format macros if inttypes.h is included */ 39 #define __STDC_FORMAT_MACROS 40 41 #ifdef __LP64__ 42 #define CONFIG_SYS_SUPPORT_64BIT_DATA 43 #endif 44 45 #ifdef DEBUG 46 #define _DEBUG 1 47 #else 48 #define _DEBUG 0 49 #endif 50 51 #ifdef CONFIG_SPL_BUILD 52 #define _SPL_BUILD 1 53 #else 54 #define _SPL_BUILD 0 55 #endif 56 57 /* Define this at the top of a file to add a prefix to debug messages */ 58 #ifndef pr_fmt 59 #define pr_fmt(fmt) fmt 60 #endif 61 62 /* 63 * Output a debug text when condition "cond" is met. The "cond" should be 64 * computed by a preprocessor in the best case, allowing for the best 65 * optimization. 66 */ 67 #define debug_cond(cond, fmt, args...) \ 68 do { \ 69 if (cond) \ 70 printf(pr_fmt(fmt), ##args); \ 71 } while (0) 72 73 /* Show a message if DEBUG is defined in a file */ 74 #define debug(fmt, args...) \ 75 debug_cond(_DEBUG, fmt, ##args) 76 77 /* Show a message if not in SPL */ 78 #define warn_non_spl(fmt, args...) \ 79 debug_cond(!_SPL_BUILD, fmt, ##args) 80 81 /* 82 * An assertion is run-time check done in debug mode only. If DEBUG is not 83 * defined then it is skipped. If DEBUG is defined and the assertion fails, 84 * then it calls panic*( which may or may not reset/halt U-Boot (see 85 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 86 * before release, and after release it is hoped that they don't matter. But 87 * in any case these failing assertions cannot be fixed with a reset (which 88 * may just do the same assertion again). 89 */ 90 void __assert_fail(const char *assertion, const char *file, unsigned line, 91 const char *function); 92 #define assert(x) \ 93 ({ if (!(x) && _DEBUG) \ 94 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 95 96 #define error(fmt, args...) do { \ 97 printf("ERROR: " pr_fmt(fmt) "\nat %s:%d/%s()\n", \ 98 ##args, __FILE__, __LINE__, __func__); \ 99 } while (0) 100 101 #ifndef BUG 102 #define BUG() do { \ 103 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 104 panic("BUG!"); \ 105 } while (0) 106 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 107 #endif /* BUG */ 108 109 typedef void (interrupt_handler_t)(void *); 110 111 #include <asm/u-boot.h> /* boot information for Linux kernel */ 112 #include <asm/global_data.h> /* global data used for startup functions */ 113 114 #if defined(CONFIG_ENV_IS_EMBEDDED) 115 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 116 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 117 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 118 defined(CONFIG_ENV_IS_IN_NVRAM) 119 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 120 #else 121 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 122 #endif 123 124 /* 125 * Function Prototypes 126 */ 127 int dram_init(void); 128 129 /** 130 * dram_init_banksize() - Set up DRAM bank sizes 131 * 132 * This can be implemented by boards to set up the DRAM bank information in 133 * gd->bd->bi_dram(). It is called just before relocation, after dram_init() 134 * is called. 135 * 136 * If this is not provided, a default implementation will try to set up a 137 * single bank. It will do this if CONFIG_NR_DRAM_BANKS and 138 * CONFIG_SYS_SDRAM_BASE are set. The bank will have a start address of 139 * CONFIG_SYS_SDRAM_BASE and the size will be determined by a call to 140 * get_effective_memsize(). 141 * 142 * @return 0 if OK, -ve on error 143 */ 144 int dram_init_banksize(void); 145 146 void hang (void) __attribute__ ((noreturn)); 147 148 int timer_init(void); 149 int cpu_init(void); 150 151 #include <display_options.h> 152 153 /* common/main.c */ 154 void main_loop (void); 155 int run_command(const char *cmd, int flag); 156 int run_command_repeatable(const char *cmd, int flag); 157 158 /** 159 * Run a list of commands separated by ; or even \0 160 * 161 * Note that if 'len' is not -1, then the command does not need to be nul 162 * terminated, Memory will be allocated for the command in that case. 163 * 164 * @param cmd List of commands to run, each separated bu semicolon 165 * @param len Length of commands excluding terminator if known (-1 if not) 166 * @param flag Execution flags (CMD_FLAG_...) 167 * @return 0 on success, or != 0 on error. 168 */ 169 int run_command_list(const char *cmd, int len, int flag); 170 171 /* arch/$(ARCH)/lib/board.c */ 172 void board_init_f(ulong); 173 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); 174 175 /** 176 * ulong board_init_f_alloc_reserve - allocate reserved area 177 * 178 * This function is called by each architecture very early in the start-up 179 * code to allow the C runtime to reserve space on the stack for writable 180 * 'globals' such as GD and the malloc arena. 181 * 182 * @top: top of the reserve area, growing down. 183 * @return: bottom of reserved area 184 */ 185 ulong board_init_f_alloc_reserve(ulong top); 186 187 /** 188 * board_init_f_init_reserve - initialize the reserved area(s) 189 * 190 * This function is called once the C runtime has allocated the reserved 191 * area on the stack. It must initialize the GD at the base of that area. 192 * 193 * @base: top from which reservation was done 194 */ 195 void board_init_f_init_reserve(ulong base); 196 197 /** 198 * arch_setup_gd() - Set up the global_data pointer 199 * 200 * This pointer is special in some architectures and cannot easily be assigned 201 * to. For example on x86 it is implemented by adding a specific record to its 202 * Global Descriptor Table! So we we provide a function to carry out this task. 203 * For most architectures this can simply be: 204 * 205 * gd = gd_ptr; 206 * 207 * @gd_ptr: Pointer to global data 208 */ 209 void arch_setup_gd(gd_t *gd_ptr); 210 211 int checkboard(void); 212 int show_board_info(void); 213 int checkflash(void); 214 int checkdram(void); 215 int last_stage_init(void); 216 extern ulong monitor_flash_len; 217 int mac_read_from_eeprom(void); 218 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 219 int set_cpu_clk_info(void); 220 int mdm_init(void); 221 int print_cpuinfo(void); 222 int update_flash_size(int flash_size); 223 int arch_early_init_r(void); 224 225 /* 226 * setup_board_extra() - Fill in extra details in the bd_t structure 227 * 228 * @return 0 if OK, -ve on error 229 */ 230 int setup_board_extra(void); 231 232 /** 233 * arch_fsp_init() - perform firmware support package init 234 * 235 * Where U-Boot relies on binary blobs to handle part of the system init, this 236 * function can be used to set up the blobs. This is used on some Intel 237 * platforms. 238 */ 239 int arch_fsp_init(void); 240 241 /** 242 * arch_cpu_init_dm() - init CPU after driver model is available 243 * 244 * This is called immediately after driver model is available before 245 * relocation. This is similar to arch_cpu_init() but is able to reference 246 * devices 247 * 248 * @return 0 if OK, -ve on error 249 */ 250 int arch_cpu_init_dm(void); 251 252 /** 253 * Reserve all necessary stacks 254 * 255 * This is used in generic board init sequence in common/board_f.c. Each 256 * architecture could provide this function to tailor the required stacks. 257 * 258 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 259 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 260 * require only this can leave it untouched. 261 * 262 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 263 * positions of the stack. The stack pointer(s) will be set to this later. 264 * gd->irq_sp is only required, if the architecture needs it. 265 * 266 * @return 0 if no error 267 */ 268 __weak int arch_reserve_stacks(void); 269 270 /** 271 * Show the DRAM size in a board-specific way 272 * 273 * This is used by boards to display DRAM information in their own way. 274 * 275 * @param size Size of DRAM (which should be displayed along with other info) 276 */ 277 void board_show_dram(phys_size_t size); 278 279 /** 280 * arch_fixup_fdt() - Write arch-specific information to fdt 281 * 282 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 283 * 284 * @blob: FDT blob to write to 285 * @return 0 if ok, or -ve FDT_ERR_... on failure 286 */ 287 int arch_fixup_fdt(void *blob); 288 289 int reserve_mmu(void); 290 /* common/flash.c */ 291 void flash_perror (int); 292 293 /* common/cmd_source.c */ 294 int source (ulong addr, const char *fit_uname); 295 296 extern ulong load_addr; /* Default Load Address */ 297 extern ulong save_addr; /* Default Save Address */ 298 extern ulong save_size; /* Default Save Size */ 299 300 /* common/cmd_net.c */ 301 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 302 303 /* common/cmd_fat.c */ 304 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 305 306 /* common/cmd_ext2.c */ 307 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 308 309 /* common/cmd_nvedit.c */ 310 int env_init (void); 311 void env_relocate (void); 312 int envmatch (uchar *, int); 313 314 /* Avoid unfortunate conflict with libc's getenv() */ 315 #ifdef CONFIG_SANDBOX 316 #define getenv uboot_getenv 317 #endif 318 char *getenv (const char *); 319 int getenv_f (const char *name, char *buf, unsigned len); 320 ulong getenv_ulong(const char *name, int base, ulong default_val); 321 322 /** 323 * getenv_hex() - Return an environment variable as a hex value 324 * 325 * Decode an environment as a hex number (it may or may not have a 0x 326 * prefix). If the environment variable cannot be found, or does not start 327 * with hex digits, the default value is returned. 328 * 329 * @varname: Variable to decode 330 * @default_val: Value to return on error 331 */ 332 ulong getenv_hex(const char *varname, ulong default_val); 333 334 /* 335 * Read an environment variable as a boolean 336 * Return -1 if variable does not exist (default to true) 337 */ 338 int getenv_yesno(const char *var); 339 int saveenv (void); 340 int setenv (const char *, const char *); 341 int setenv_ulong(const char *varname, ulong value); 342 int setenv_hex(const char *varname, ulong value); 343 /** 344 * setenv_addr - Set an environment variable to an address in hex 345 * 346 * @varname: Environment variable to set 347 * @addr: Value to set it to 348 * @return 0 if ok, 1 on error 349 */ 350 static inline int setenv_addr(const char *varname, const void *addr) 351 { 352 return setenv_hex(varname, (ulong)addr); 353 } 354 355 #ifdef CONFIG_AUTO_COMPLETE 356 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 357 #endif 358 int get_env_id (void); 359 360 void pci_init (void); 361 void pci_init_board(void); 362 363 #if defined(CONFIG_DTB_RESELECT) 364 int embedded_dtb_select(void); 365 #endif 366 367 int misc_init_f (void); 368 int misc_init_r (void); 369 370 /* common/exports.c */ 371 void jumptable_init(void); 372 373 /* common/kallsysm.c */ 374 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 375 376 /* common/memsize.c */ 377 long get_ram_size (long *, long); 378 phys_size_t get_effective_memsize(void); 379 380 /* $(BOARD)/$(BOARD).c */ 381 void reset_phy (void); 382 void fdc_hw_init (void); 383 384 /* $(BOARD)/eeprom.c */ 385 #ifdef CONFIG_CMD_EEPROM 386 void eeprom_init (int bus); 387 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 388 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 389 #else 390 /* 391 * Some EEPROM code is depecated because it used the legacy I2C interface. Add 392 * some macros here so we don't have to touch every one of those uses 393 */ 394 #define eeprom_init(bus) 395 #define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 396 #define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 397 #endif 398 399 /* 400 * Set this up regardless of board 401 * type, to prevent errors. 402 */ 403 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 404 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 405 #else 406 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 407 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 408 #endif 409 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 410 411 #if defined(CONFIG_SPI) 412 extern void spi_init_f (void); 413 extern void spi_init_r (void); 414 extern ssize_t spi_read (uchar *, int, uchar *, int); 415 extern ssize_t spi_write (uchar *, int, uchar *, int); 416 #endif 417 418 /* $(BOARD)/$(BOARD).c */ 419 int board_early_init_f (void); 420 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */ 421 int board_late_init (void); 422 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 423 int board_early_init_r (void); 424 void board_poweroff (void); 425 426 #if defined(CONFIG_SYS_DRAM_TEST) 427 int testdram(void); 428 #endif /* CONFIG_SYS_DRAM_TEST */ 429 430 /* $(CPU)/start.S */ 431 int icache_status (void); 432 void icache_enable (void); 433 void icache_disable(void); 434 int dcache_status (void); 435 void dcache_enable (void); 436 void dcache_disable(void); 437 void mmu_disable(void); 438 #if defined(CONFIG_ARM) 439 void relocate_code(ulong); 440 #else 441 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 442 #endif 443 ulong get_endaddr (void); 444 void trap_init (ulong); 445 446 /* $(CPU)/cpu.c */ 447 static inline int cpumask_next(int cpu, unsigned int mask) 448 { 449 for (cpu++; !((1 << cpu) & mask); cpu++) 450 ; 451 452 return cpu; 453 } 454 455 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 456 for (iter = 0, cpu = cpumask_next(-1, mask); \ 457 iter < num_cpus; \ 458 iter++, cpu = cpumask_next(cpu, mask)) \ 459 460 int cpu_numcores (void); 461 int cpu_num_dspcores(void); 462 u32 cpu_mask (void); 463 u32 cpu_dsp_mask(void); 464 int is_core_valid (unsigned int); 465 466 /** 467 * arch_cpu_init() - basic cpu-dependent setup for an architecture 468 * 469 * This is called after early malloc is available. It should handle any 470 * CPU- or SoC- specific init needed to continue the init sequence. See 471 * board_f.c for where it is called. If this is not provided, a default 472 * version (which does nothing) will be used. 473 */ 474 int arch_cpu_init(void); 475 476 int checkcpu (void); 477 int checkicache (void); 478 int checkdcache (void); 479 void upmconfig (unsigned int, unsigned int *, unsigned int); 480 ulong get_tbclk (void); 481 void reset_misc (void); 482 void reset_cpu (ulong addr); 483 void ft_cpu_setup(void *blob, bd_t *bd); 484 void ft_pci_setup(void *blob, bd_t *bd); 485 486 void smp_set_core_boot_addr(unsigned long addr, int corenr); 487 void smp_kick_all_cpus(void); 488 489 /* $(CPU)/serial.c */ 490 int serial_init (void); 491 void serial_setbrg (void); 492 void serial_putc (const char); 493 void serial_putc_raw(const char); 494 void serial_puts (const char *); 495 int serial_getc (void); 496 int serial_tstc (void); 497 498 /* $(CPU)/speed.c */ 499 int get_clocks (void); 500 ulong get_bus_freq (ulong); 501 int get_serial_clock(void); 502 503 int cpu_init_r (void); 504 505 /* $(CPU)/interrupts.c */ 506 int interrupt_init (void); 507 void timer_interrupt (struct pt_regs *); 508 void external_interrupt (struct pt_regs *); 509 void irq_install_handler(int, interrupt_handler_t *, void *); 510 void irq_free_handler (int); 511 void reset_timer (void); 512 513 /* Return value of monotonic microsecond timer */ 514 unsigned long timer_get_us(void); 515 516 void enable_interrupts (void); 517 int disable_interrupts (void); 518 519 /* $(CPU)/.../commproc.c */ 520 int dpram_init (void); 521 uint dpram_base(void); 522 uint dpram_base_align(uint align); 523 uint dpram_alloc(uint size); 524 uint dpram_alloc_align(uint size,uint align); 525 void bootcount_store (ulong); 526 ulong bootcount_load (void); 527 #define BOOTCOUNT_MAGIC 0xB001C041 528 529 /* $(CPU)/.../<eth> */ 530 void mii_init (void); 531 532 /* $(CPU)/.../lcd.c */ 533 ulong lcd_setmem (ulong); 534 535 /* $(CPU)/.../video.c */ 536 ulong video_setmem (ulong); 537 538 /* arch/$(ARCH)/lib/cache.c */ 539 void enable_caches(void); 540 void flush_cache (unsigned long, unsigned long); 541 void flush_dcache_all(void); 542 void flush_dcache_range(unsigned long start, unsigned long stop); 543 void invalidate_dcache_range(unsigned long start, unsigned long stop); 544 void invalidate_dcache_all(void); 545 void invalidate_icache_all(void); 546 547 enum { 548 /* Disable caches (else flush caches but leave them active) */ 549 CBL_DISABLE_CACHES = 1 << 0, 550 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 551 552 CBL_ALL = 3, 553 }; 554 555 /** 556 * Clean up ready for linux 557 * 558 * @param flags Flags to control what is done 559 */ 560 int cleanup_before_linux_select(int flags); 561 562 /* arch/$(ARCH)/lib/ticks.S */ 563 uint64_t get_ticks(void); 564 void wait_ticks (unsigned long); 565 566 /* arch/$(ARCH)/lib/time.c */ 567 ulong usec2ticks (unsigned long usec); 568 ulong ticks2usec (unsigned long ticks); 569 570 /* lib/gunzip.c */ 571 int gunzip(void *, int, unsigned char *, unsigned long *); 572 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 573 int stoponerr, int offset); 574 575 /** 576 * gzwrite progress indicators: defined weak to allow board-specific 577 * overrides: 578 * 579 * gzwrite_progress_init called on startup 580 * gzwrite_progress called during decompress/write loop 581 * gzwrite_progress_finish called at end of loop to 582 * indicate success (retcode=0) or failure 583 */ 584 void gzwrite_progress_init(u64 expected_size); 585 586 void gzwrite_progress(int iteration, 587 u64 bytes_written, 588 u64 total_bytes); 589 590 void gzwrite_progress_finish(int retcode, 591 u64 totalwritten, 592 u64 totalsize, 593 u32 expected_crc, 594 u32 calculated_crc); 595 596 /** 597 * decompress and write gzipped image from memory to block device 598 * 599 * @param src compressed image address 600 * @param len compressed image length in bytes 601 * @param dev block device descriptor 602 * @param szwritebuf bytes per write (pad to erase size) 603 * @param startoffs offset in bytes of first write 604 * @param szexpected expected uncompressed length 605 * may be zero to use gzip trailer 606 * for files under 4GiB 607 */ 608 int gzwrite(unsigned char *src, int len, 609 struct blk_desc *dev, 610 unsigned long szwritebuf, 611 u64 startoffs, 612 u64 szexpected); 613 614 /* lib/lz4_wrapper.c */ 615 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn); 616 617 /* lib/qsort.c */ 618 void qsort(void *base, size_t nmemb, size_t size, 619 int(*compar)(const void *, const void *)); 620 int strcmp_compar(const void *, const void *); 621 622 /* lib/uuid.c */ 623 #include <uuid.h> 624 625 /* lib/vsprintf.c */ 626 #include <vsprintf.h> 627 628 /* lib/strmhz.c */ 629 char * strmhz(char *buf, unsigned long hz); 630 631 /* lib/crc32.c */ 632 #include <u-boot/crc.h> 633 634 /* lib/rand.c */ 635 #define RAND_MAX -1U 636 void srand(unsigned int seed); 637 unsigned int rand(void); 638 unsigned int rand_r(unsigned int *seedp); 639 640 /* 641 * STDIO based functions (can always be used) 642 */ 643 /* serial stuff */ 644 int serial_printf (const char *fmt, ...) 645 __attribute__ ((format (__printf__, 1, 2))); 646 /* stdin */ 647 int getc(void); 648 int tstc(void); 649 650 /* stdout */ 651 #if !defined(CONFIG_SPL_BUILD) || \ 652 (defined(CONFIG_TPL_BUILD) && defined(CONFIG_TPL_SERIAL_SUPPORT)) || \ 653 (defined(CONFIG_SPL_BUILD) && !defined(CONFIG_TPL_BUILD) && \ 654 defined(CONFIG_SPL_SERIAL_SUPPORT)) 655 void putc(const char c); 656 void puts(const char *s); 657 int printf(const char *fmt, ...) 658 __attribute__ ((format (__printf__, 1, 2))); 659 int vprintf(const char *fmt, va_list args); 660 #else 661 #define putc(...) do { } while (0) 662 #define puts(...) do { } while (0) 663 #define printf(...) do { } while (0) 664 #define vprintf(...) do { } while (0) 665 #endif 666 667 /* stderr */ 668 #define eputc(c) fputc(stderr, c) 669 #define eputs(s) fputs(stderr, s) 670 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 671 672 /* 673 * FILE based functions (can only be used AFTER relocation!) 674 */ 675 #define stdin 0 676 #define stdout 1 677 #define stderr 2 678 #define MAX_FILES 3 679 680 int fprintf(int file, const char *fmt, ...) 681 __attribute__ ((format (__printf__, 2, 3))); 682 void fputs(int file, const char *s); 683 void fputc(int file, const char c); 684 int ftstc(int file); 685 int fgetc(int file); 686 687 /* lib/gzip.c */ 688 int gzip(void *dst, unsigned long *lenp, 689 unsigned char *src, unsigned long srclen); 690 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 691 unsigned long srclen, int stoponerr, 692 int (*func)(unsigned long, unsigned long)); 693 694 /* lib/net_utils.c */ 695 #include <net.h> 696 static inline struct in_addr getenv_ip(char *var) 697 { 698 return string_to_ip(getenv(var)); 699 } 700 701 int pcmcia_init (void); 702 703 #ifdef CONFIG_LED_STATUS 704 # include <status_led.h> 705 #endif 706 707 #include <bootstage.h> 708 709 #ifdef CONFIG_SHOW_ACTIVITY 710 void show_activity(int arg); 711 #endif 712 713 /* Multicore arch functions */ 714 #ifdef CONFIG_MP 715 int cpu_status(int nr); 716 int cpu_reset(int nr); 717 int cpu_disable(int nr); 718 int cpu_release(int nr, int argc, char * const argv[]); 719 #endif 720 721 #else /* __ASSEMBLY__ */ 722 723 /* Drop a C type modifier (like in 3UL) for constants used in assembly. */ 724 #define _AC(X, Y) X 725 726 #endif /* __ASSEMBLY__ */ 727 728 /* Put only stuff here that the assembler can digest */ 729 730 /* Declare an unsigned long constant digestable both by C and an assembler. */ 731 #define UL(x) _AC(x, UL) 732 733 #ifdef CONFIG_POST 734 #define CONFIG_HAS_POST 735 #ifndef CONFIG_POST_ALT_LIST 736 #define CONFIG_POST_STD_LIST 737 #endif 738 #endif 739 740 #ifdef CONFIG_INIT_CRITICAL 741 #error CONFIG_INIT_CRITICAL is deprecated! 742 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 743 #endif 744 745 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 746 747 /* 748 * check_member() - Check the offset of a structure member 749 * 750 * @structure: Name of structure (e.g. global_data) 751 * @member: Name of member (e.g. baudrate) 752 * @offset: Expected offset in bytes 753 */ 754 #define check_member(structure, member, offset) _Static_assert( \ 755 offsetof(struct structure, member) == offset, \ 756 "`struct " #structure "` offset for `" #member "` is not " #offset) 757 758 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ 759 #ifdef CONFIG_EFI_STUB 760 #define ll_boot_init() false 761 #else 762 #define ll_boot_init() true 763 #endif 764 765 /* Pull in stuff for the build system */ 766 #ifdef DO_DEPS_ONLY 767 # include <environment.h> 768 #endif 769 770 #endif /* __COMMON_H_ */ 771