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 #if (__STDC_VERSION__ >= 201112L) || defined(__cplusplus) 102 # undef static_assert 103 # define static_assert _Static_assert 104 #endif 105 106 #ifndef BUG 107 #define BUG() do { \ 108 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 109 panic("BUG!"); \ 110 } while (0) 111 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 112 #endif /* BUG */ 113 114 #ifndef CONFIG_IRQ 115 typedef void (interrupt_handler_t)(void *); 116 #else 117 typedef void (interrupt_handler_t)(int, void *); 118 #endif 119 120 #include <asm/u-boot.h> /* boot information for Linux kernel */ 121 #include <asm/global_data.h> /* global data used for startup functions */ 122 123 #if defined(CONFIG_ENV_IS_EMBEDDED) 124 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 125 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 126 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 127 defined(CONFIG_ENV_IS_IN_NVRAM) 128 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 129 #else 130 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 131 #endif 132 133 /* 134 * Function Prototypes 135 */ 136 int dram_init(void); 137 138 /** 139 * dram_init_banksize() - Set up DRAM bank sizes 140 * 141 * This can be implemented by boards to set up the DRAM bank information in 142 * gd->bd->bi_dram(). It is called just before relocation, after dram_init() 143 * is called. 144 * 145 * If this is not provided, a default implementation will try to set up a 146 * single bank. It will do this if CONFIG_NR_DRAM_BANKS and 147 * CONFIG_SYS_SDRAM_BASE are set. The bank will have a start address of 148 * CONFIG_SYS_SDRAM_BASE and the size will be determined by a call to 149 * get_effective_memsize(). 150 * 151 * @return 0 if OK, -ve on error 152 */ 153 int dram_init_banksize(void); 154 155 void hang (void) __attribute__ ((noreturn)); 156 157 int timer_init(void); 158 int cpu_init(void); 159 160 #include <display_options.h> 161 162 /* common/main.c */ 163 void main_loop (void); 164 int run_command(const char *cmd, int flag); 165 int run_command_repeatable(const char *cmd, int flag); 166 167 /** 168 * Run a list of commands separated by ; or even \0 169 * 170 * Note that if 'len' is not -1, then the command does not need to be nul 171 * terminated, Memory will be allocated for the command in that case. 172 * 173 * @param cmd List of commands to run, each separated bu semicolon 174 * @param len Length of commands excluding terminator if known (-1 if not) 175 * @param flag Execution flags (CMD_FLAG_...) 176 * @return 0 on success, or != 0 on error. 177 */ 178 int run_command_list(const char *cmd, int len, int flag); 179 180 /* arch/$(ARCH)/lib/board.c */ 181 void board_init_f(ulong); 182 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); 183 184 /** 185 * ulong board_init_f_alloc_reserve - allocate reserved area 186 * 187 * This function is called by each architecture very early in the start-up 188 * code to allow the C runtime to reserve space on the stack for writable 189 * 'globals' such as GD and the malloc arena. 190 * 191 * @top: top of the reserve area, growing down. 192 * @return: bottom of reserved area 193 */ 194 ulong board_init_f_alloc_reserve(ulong top); 195 196 /** 197 * board_init_f_init_reserve - initialize the reserved area(s) 198 * 199 * This function is called once the C runtime has allocated the reserved 200 * area on the stack. It must initialize the GD at the base of that area. 201 * 202 * @base: top from which reservation was done 203 */ 204 void board_init_f_init_reserve(ulong base); 205 206 /** 207 * arch_setup_gd() - Set up the global_data pointer 208 * 209 * This pointer is special in some architectures and cannot easily be assigned 210 * to. For example on x86 it is implemented by adding a specific record to its 211 * Global Descriptor Table! So we we provide a function to carry out this task. 212 * For most architectures this can simply be: 213 * 214 * gd = gd_ptr; 215 * 216 * @gd_ptr: Pointer to global data 217 */ 218 void arch_setup_gd(gd_t *gd_ptr); 219 220 int checkboard(void); 221 int show_board_info(void); 222 int checkflash(void); 223 int checkdram(void); 224 int last_stage_init(void); 225 extern ulong monitor_flash_len; 226 int mac_read_from_eeprom(void); 227 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 228 int set_cpu_clk_info(void); 229 int mdm_init(void); 230 int print_cpuinfo(void); 231 int update_flash_size(int flash_size); 232 int arch_early_init_r(void); 233 234 /* 235 * setup_board_extra() - Fill in extra details in the bd_t structure 236 * 237 * @return 0 if OK, -ve on error 238 */ 239 int setup_board_extra(void); 240 241 /** 242 * arch_fsp_init() - perform firmware support package init 243 * 244 * Where U-Boot relies on binary blobs to handle part of the system init, this 245 * function can be used to set up the blobs. This is used on some Intel 246 * platforms. 247 */ 248 int arch_fsp_init(void); 249 250 /** 251 * arch_cpu_init_dm() - init CPU after driver model is available 252 * 253 * This is called immediately after driver model is available before 254 * relocation. This is similar to arch_cpu_init() but is able to reference 255 * devices 256 * 257 * @return 0 if OK, -ve on error 258 */ 259 int arch_cpu_init_dm(void); 260 261 /** 262 * Reserve all necessary stacks 263 * 264 * This is used in generic board init sequence in common/board_f.c. Each 265 * architecture could provide this function to tailor the required stacks. 266 * 267 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 268 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 269 * require only this can leave it untouched. 270 * 271 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 272 * positions of the stack. The stack pointer(s) will be set to this later. 273 * gd->irq_sp is only required, if the architecture needs it. 274 * 275 * @return 0 if no error 276 */ 277 __weak int arch_reserve_stacks(void); 278 279 /** 280 * Show the DRAM size in a board-specific way 281 * 282 * This is used by boards to display DRAM information in their own way. 283 * 284 * @param size Size of DRAM (which should be displayed along with other info) 285 */ 286 void board_show_dram(phys_size_t size); 287 288 /** 289 * arch_fixup_fdt() - Write arch-specific information to fdt 290 * 291 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 292 * 293 * @blob: FDT blob to write to 294 * @return 0 if ok, or -ve FDT_ERR_... on failure 295 */ 296 int arch_fixup_fdt(void *blob); 297 298 int reserve_mmu(void); 299 /* common/flash.c */ 300 void flash_perror (int); 301 302 /* common/cmd_source.c */ 303 int source (ulong addr, const char *fit_uname); 304 305 extern ulong load_addr; /* Default Load Address */ 306 extern ulong save_addr; /* Default Save Address */ 307 extern ulong save_size; /* Default Save Size */ 308 309 /* common/cmd_net.c */ 310 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 311 312 /* common/cmd_fat.c */ 313 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 314 315 /* common/cmd_ext2.c */ 316 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 317 318 /* common/cmd_nvedit.c */ 319 int env_init (void); 320 void env_relocate (void); 321 int envmatch (uchar *, int); 322 323 /** 324 * env_get() - Look up the value of an environment variable 325 * 326 * In U-Boot proper this can be called before relocation (which is when the 327 * environment is loaded from storage, i.e. GD_FLG_ENV_READY is 0). In that 328 * case this function calls env_get_f(). 329 * 330 * @varname: Variable to look up 331 * @return value of variable, or NULL if not found 332 */ 333 char *env_get(const char *varname); 334 335 /** 336 * env_get_f() - Look up the value of an environment variable (early) 337 * 338 * This function is called from env_get() if the environment has not been 339 * loaded yet (GD_FLG_ENV_READY flag is 0). Some environment locations will 340 * support reading the value (slowly) and some will not. 341 * 342 * @varname: Variable to look up 343 * @return value of variable, or NULL if not found 344 */ 345 int env_get_f(const char *name, char *buf, unsigned len); 346 347 /** 348 * env_get_ulong() - Return an environment variable as an integer value 349 * 350 * Most U-Boot environment variables store hex values. For those which store 351 * (e.g.) base-10 integers, this function can be used to read the value. 352 * 353 * @name: Variable to look up 354 * @base: Base to use (e.g. 10 for base 10, 2 for binary) 355 * @default_val: Default value to return if no value is found 356 * @return the value found, or @default_val if none 357 */ 358 ulong env_get_ulong(const char *name, int base, ulong default_val); 359 360 /** 361 * env_get_hex() - Return an environment variable as a hex value 362 * 363 * Decode an environment as a hex number (it may or may not have a 0x 364 * prefix). If the environment variable cannot be found, or does not start 365 * with hex digits, the default value is returned. 366 * 367 * @varname: Variable to decode 368 * @default_val: Value to return on error 369 */ 370 ulong env_get_hex(const char *varname, ulong default_val); 371 372 /* 373 * Read an environment variable as a boolean 374 * Return -1 if variable does not exist (default to true) 375 */ 376 int env_get_yesno(const char *var); 377 378 /** 379 * env_set() - set an environment variable 380 * 381 * This sets or deletes the value of an environment variable. For setting the 382 * value the variable is created if it does not already exist. 383 * 384 * @varname: Variable to adjust 385 * @value: Value to set for the variable, or NULL or "" to delete the variable 386 * @return 0 if OK, 1 on error 387 */ 388 int env_set(const char *varname, const char *value); 389 390 /** 391 * env_update() - update sub value of an environment variable 392 * 393 * This add/append/replace the sub value of an environment variable. 394 * 395 * @varname: Variable to adjust 396 * @valude: Value to append/replace 397 * @return 0 if OK, 1 on error 398 */ 399 int env_update(const char *varname, const char *varvalue); 400 401 /** 402 * env_set_ulong() - set an environment variable to an integer 403 * 404 * @varname: Variable to adjust 405 * @value: Value to set for the variable (will be converted to a string) 406 * @return 0 if OK, 1 on error 407 */ 408 int env_set_ulong(const char *varname, ulong value); 409 410 /** 411 * env_set_hex() - set an environment variable to a hex value 412 * 413 * @varname: Variable to adjust 414 * @value: Value to set for the variable (will be converted to a hex string) 415 * @return 0 if OK, 1 on error 416 */ 417 int env_set_hex(const char *varname, ulong value); 418 419 /** 420 * env_set_addr - Set an environment variable to an address in hex 421 * 422 * @varname: Environment variable to set 423 * @addr: Value to set it to 424 * @return 0 if ok, 1 on error 425 */ 426 static inline int env_set_addr(const char *varname, const void *addr) 427 { 428 return env_set_hex(varname, (ulong)addr); 429 } 430 431 #ifdef CONFIG_AUTO_COMPLETE 432 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 433 #endif 434 int get_env_id (void); 435 436 void pci_init (void); 437 void pci_init_board(void); 438 439 #if defined(CONFIG_DTB_RESELECT) 440 int embedded_dtb_select(void); 441 #endif 442 443 int misc_init_f (void); 444 int misc_init_r (void); 445 446 /* common/exports.c */ 447 void jumptable_init(void); 448 449 /* common/kallsysm.c */ 450 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 451 452 /* common/memsize.c */ 453 long get_ram_size (long *, long); 454 phys_size_t get_effective_memsize(void); 455 456 /* $(BOARD)/$(BOARD).c */ 457 void reset_phy (void); 458 void fdc_hw_init (void); 459 460 /* $(BOARD)/eeprom.c */ 461 #ifdef CONFIG_CMD_EEPROM 462 void eeprom_init (int bus); 463 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 464 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 465 #else 466 /* 467 * Some EEPROM code is depecated because it used the legacy I2C interface. Add 468 * some macros here so we don't have to touch every one of those uses 469 */ 470 #define eeprom_init(bus) 471 #define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 472 #define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 473 #endif 474 475 /* 476 * Set this up regardless of board 477 * type, to prevent errors. 478 */ 479 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 480 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 481 #else 482 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 483 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 484 #endif 485 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 486 487 #if defined(CONFIG_SPI) 488 extern void spi_init_f (void); 489 extern void spi_init_r (void); 490 extern ssize_t spi_read (uchar *, int, uchar *, int); 491 extern ssize_t spi_write (uchar *, int, uchar *, int); 492 #endif 493 494 /* $(BOARD)/$(BOARD).c */ 495 int board_early_init_f (void); 496 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */ 497 int board_late_init (void); 498 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 499 int board_early_init_r (void); 500 void board_poweroff (void); 501 502 #if defined(CONFIG_SYS_DRAM_TEST) 503 int testdram(void); 504 #endif /* CONFIG_SYS_DRAM_TEST */ 505 506 /* $(CPU)/start.S */ 507 int icache_status (void); 508 void icache_enable (void); 509 void icache_disable(void); 510 int dcache_status (void); 511 void dcache_enable (void); 512 void dcache_disable(void); 513 void mmu_disable(void); 514 #if defined(CONFIG_ARM) 515 void relocate_code(ulong); 516 #else 517 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 518 #endif 519 ulong get_endaddr (void); 520 void trap_init (ulong); 521 522 /* $(CPU)/cpu.c */ 523 static inline int cpumask_next(int cpu, unsigned int mask) 524 { 525 for (cpu++; !((1 << cpu) & mask); cpu++) 526 ; 527 528 return cpu; 529 } 530 531 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 532 for (iter = 0, cpu = cpumask_next(-1, mask); \ 533 iter < num_cpus; \ 534 iter++, cpu = cpumask_next(cpu, mask)) \ 535 536 int cpu_numcores (void); 537 int cpu_num_dspcores(void); 538 u32 cpu_mask (void); 539 u32 cpu_dsp_mask(void); 540 int is_core_valid (unsigned int); 541 542 /** 543 * arch_cpu_init() - basic cpu-dependent setup for an architecture 544 * 545 * This is called after early malloc is available. It should handle any 546 * CPU- or SoC- specific init needed to continue the init sequence. See 547 * board_f.c for where it is called. If this is not provided, a default 548 * version (which does nothing) will be used. 549 */ 550 int arch_cpu_init(void); 551 552 int checkcpu (void); 553 int checkicache (void); 554 int checkdcache (void); 555 void upmconfig (unsigned int, unsigned int *, unsigned int); 556 ulong get_tbclk (void); 557 void reset_misc (void); 558 void reset_cpu (ulong addr); 559 void ft_cpu_setup(void *blob, bd_t *bd); 560 void ft_pci_setup(void *blob, bd_t *bd); 561 562 void smp_set_core_boot_addr(unsigned long addr, int corenr); 563 void smp_kick_all_cpus(void); 564 565 /* $(CPU)/serial.c */ 566 int serial_init (void); 567 void serial_setbrg (void); 568 void serial_putc (const char); 569 void serial_putc_raw(const char); 570 void serial_puts (const char *); 571 int serial_getc (void); 572 int serial_tstc (void); 573 574 /* $(CPU)/speed.c */ 575 int get_clocks (void); 576 ulong get_bus_freq (ulong); 577 int get_serial_clock(void); 578 579 int cpu_init_r (void); 580 581 /* $(CPU)/interrupts.c */ 582 int interrupt_init (void); 583 void timer_interrupt (struct pt_regs *); 584 void external_interrupt (struct pt_regs *); 585 void irq_install_handler(int, interrupt_handler_t *, void *); 586 void irq_free_handler (int); 587 void reset_timer (void); 588 589 /* Return value of monotonic microsecond timer */ 590 unsigned long timer_get_us(void); 591 592 void enable_interrupts (void); 593 int disable_interrupts (void); 594 595 /* $(CPU)/.../commproc.c */ 596 int dpram_init (void); 597 uint dpram_base(void); 598 uint dpram_base_align(uint align); 599 uint dpram_alloc(uint size); 600 uint dpram_alloc_align(uint size,uint align); 601 void bootcount_store (ulong); 602 ulong bootcount_load (void); 603 #define BOOTCOUNT_MAGIC 0xB001C041 604 605 /* $(CPU)/.../<eth> */ 606 void mii_init (void); 607 608 /* $(CPU)/.../lcd.c */ 609 ulong lcd_setmem (ulong); 610 611 /* $(CPU)/.../video.c */ 612 ulong video_setmem (ulong); 613 614 /* arch/$(ARCH)/lib/cache.c */ 615 void enable_caches(void); 616 void flush_cache (unsigned long, unsigned long); 617 void flush_dcache_all(void); 618 void flush_dcache_range(unsigned long start, unsigned long stop); 619 void invalidate_dcache_range(unsigned long start, unsigned long stop); 620 void invalidate_dcache_all(void); 621 void invalidate_icache_all(void); 622 623 enum { 624 /* Disable caches (else flush caches but leave them active) */ 625 CBL_DISABLE_CACHES = 1 << 0, 626 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 627 628 CBL_ALL = 3, 629 }; 630 631 /** 632 * Clean up ready for linux 633 * 634 * @param flags Flags to control what is done 635 */ 636 int cleanup_before_linux_select(int flags); 637 638 /* arch/$(ARCH)/lib/ticks.S */ 639 uint64_t get_ticks(void); 640 void wait_ticks (unsigned long); 641 642 /* arch/$(ARCH)/lib/time.c */ 643 ulong usec2ticks (unsigned long usec); 644 ulong ticks2usec (unsigned long ticks); 645 646 /* lib/gunzip.c */ 647 int gunzip(void *, int, unsigned char *, unsigned long *); 648 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 649 int stoponerr, int offset); 650 651 /** 652 * gzwrite progress indicators: defined weak to allow board-specific 653 * overrides: 654 * 655 * gzwrite_progress_init called on startup 656 * gzwrite_progress called during decompress/write loop 657 * gzwrite_progress_finish called at end of loop to 658 * indicate success (retcode=0) or failure 659 */ 660 void gzwrite_progress_init(u64 expected_size); 661 662 void gzwrite_progress(int iteration, 663 u64 bytes_written, 664 u64 total_bytes); 665 666 void gzwrite_progress_finish(int retcode, 667 u64 totalwritten, 668 u64 totalsize, 669 u32 expected_crc, 670 u32 calculated_crc); 671 672 /** 673 * decompress and write gzipped image from memory to block device 674 * 675 * @param src compressed image address 676 * @param len compressed image length in bytes 677 * @param dev block device descriptor 678 * @param szwritebuf bytes per write (pad to erase size) 679 * @param startoffs offset in bytes of first write 680 * @param szexpected expected uncompressed length 681 * may be zero to use gzip trailer 682 * for files under 4GiB 683 */ 684 int gzwrite(unsigned char *src, int len, 685 struct blk_desc *dev, 686 unsigned long szwritebuf, 687 u64 startoffs, 688 u64 szexpected); 689 690 /* lib/lz4_wrapper.c */ 691 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn); 692 693 /* lib/qsort.c */ 694 void qsort(void *base, size_t nmemb, size_t size, 695 int(*compar)(const void *, const void *)); 696 int strcmp_compar(const void *, const void *); 697 698 /* lib/uuid.c */ 699 #include <uuid.h> 700 701 /* lib/vsprintf.c */ 702 #include <vsprintf.h> 703 704 /* lib/strmhz.c */ 705 char * strmhz(char *buf, unsigned long hz); 706 707 /* lib/crc32.c */ 708 #include <u-boot/crc.h> 709 710 /* lib/rand.c */ 711 #define RAND_MAX -1U 712 void srand(unsigned int seed); 713 unsigned int rand(void); 714 unsigned int rand_r(unsigned int *seedp); 715 716 /* 717 * STDIO based functions (can always be used) 718 */ 719 /* serial stuff */ 720 int serial_printf (const char *fmt, ...) 721 __attribute__ ((format (__printf__, 1, 2))); 722 /* stdin */ 723 int getc(void); 724 int tstc(void); 725 726 /* stdout */ 727 #if !defined(CONFIG_SPL_BUILD) || \ 728 (defined(CONFIG_TPL_BUILD) && defined(CONFIG_TPL_SERIAL_SUPPORT)) || \ 729 (defined(CONFIG_SPL_BUILD) && !defined(CONFIG_TPL_BUILD) && \ 730 defined(CONFIG_SPL_SERIAL_SUPPORT)) 731 void putc(const char c); 732 void puts(const char *s); 733 int printf(const char *fmt, ...) 734 __attribute__ ((format (__printf__, 1, 2))); 735 int vprintf(const char *fmt, va_list args); 736 #else 737 #define putc(...) do { } while (0) 738 #define puts(...) do { } while (0) 739 #define printf(...) do { } while (0) 740 #define vprintf(...) do { } while (0) 741 #endif 742 743 /* stderr */ 744 #define eputc(c) fputc(stderr, c) 745 #define eputs(s) fputs(stderr, s) 746 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 747 748 /* 749 * FILE based functions (can only be used AFTER relocation!) 750 */ 751 #define stdin 0 752 #define stdout 1 753 #define stderr 2 754 #define MAX_FILES 3 755 756 int fprintf(int file, const char *fmt, ...) 757 __attribute__ ((format (__printf__, 2, 3))); 758 void fputs(int file, const char *s); 759 void fputc(int file, const char c); 760 int ftstc(int file); 761 int fgetc(int file); 762 763 /* lib/gzip.c */ 764 int gzip(void *dst, unsigned long *lenp, 765 unsigned char *src, unsigned long srclen); 766 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 767 unsigned long srclen, int stoponerr, 768 int (*func)(unsigned long, unsigned long)); 769 770 /* lib/net_utils.c */ 771 #include <net.h> 772 static inline struct in_addr env_get_ip(char *var) 773 { 774 return string_to_ip(env_get(var)); 775 } 776 777 int pcmcia_init (void); 778 779 #ifdef CONFIG_LED_STATUS 780 # include <status_led.h> 781 #endif 782 783 #include <bootstage.h> 784 785 #ifdef CONFIG_SHOW_ACTIVITY 786 void show_activity(int arg); 787 #endif 788 789 /* Multicore arch functions */ 790 #ifdef CONFIG_MP 791 int cpu_status(int nr); 792 int cpu_reset(int nr); 793 int cpu_disable(int nr); 794 int cpu_release(int nr, int argc, char * const argv[]); 795 #endif 796 797 #else /* __ASSEMBLY__ */ 798 799 /* Drop a C type modifier (like in 3UL) for constants used in assembly. */ 800 #define _AC(X, Y) X 801 802 #endif /* __ASSEMBLY__ */ 803 804 /* Put only stuff here that the assembler can digest */ 805 806 /* Declare an unsigned long constant digestable both by C and an assembler. */ 807 #define UL(x) _AC(x, UL) 808 809 #ifdef CONFIG_POST 810 #define CONFIG_HAS_POST 811 #ifndef CONFIG_POST_ALT_LIST 812 #define CONFIG_POST_STD_LIST 813 #endif 814 #endif 815 816 #ifdef CONFIG_INIT_CRITICAL 817 #error CONFIG_INIT_CRITICAL is deprecated! 818 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 819 #endif 820 821 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 822 823 /* 824 * check_member() - Check the offset of a structure member 825 * 826 * @structure: Name of structure (e.g. global_data) 827 * @member: Name of member (e.g. baudrate) 828 * @offset: Expected offset in bytes 829 */ 830 #define check_member(structure, member, offset) _Static_assert( \ 831 offsetof(struct structure, member) == offset, \ 832 "`struct " #structure "` offset for `" #member "` is not " #offset) 833 834 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ 835 #ifdef CONFIG_EFI_STUB 836 #define ll_boot_init() false 837 #else 838 #define ll_boot_init() true 839 #endif 840 841 /* Pull in stuff for the build system */ 842 #ifdef DO_DEPS_ONLY 843 # include <environment.h> 844 #endif 845 846 #endif /* __COMMON_H_ */ 847