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 #ifdef CONFIG_SOC_DA8XX 35 #include <asm/arch/hardware.h> 36 #endif 37 #ifdef CONFIG_FSL_LSCH3 38 #include <asm/arch/immap_lsch3.h> 39 #endif 40 #ifdef CONFIG_FSL_LSCH2 41 #include <asm/arch/immap_lsch2.h> 42 #endif 43 44 #include <part.h> 45 #include <flash.h> 46 #include <image.h> 47 48 /* Bring in printf format macros if inttypes.h is included */ 49 #define __STDC_FORMAT_MACROS 50 51 #ifdef __LP64__ 52 #define CONFIG_SYS_SUPPORT_64BIT_DATA 53 #endif 54 55 #ifdef DEBUG 56 #define _DEBUG 1 57 #else 58 #define _DEBUG 0 59 #endif 60 61 #ifdef CONFIG_SPL_BUILD 62 #define _SPL_BUILD 1 63 #else 64 #define _SPL_BUILD 0 65 #endif 66 67 /* Define this at the top of a file to add a prefix to debug messages */ 68 #ifndef pr_fmt 69 #define pr_fmt(fmt) fmt 70 #endif 71 72 /* 73 * Output a debug text when condition "cond" is met. The "cond" should be 74 * computed by a preprocessor in the best case, allowing for the best 75 * optimization. 76 */ 77 #define debug_cond(cond, fmt, args...) \ 78 do { \ 79 if (cond) \ 80 printf(pr_fmt(fmt), ##args); \ 81 } while (0) 82 83 /* Show a message if DEBUG is defined in a file */ 84 #define debug(fmt, args...) \ 85 debug_cond(_DEBUG, fmt, ##args) 86 87 /* Show a message if not in SPL */ 88 #define warn_non_spl(fmt, args...) \ 89 debug_cond(!_SPL_BUILD, fmt, ##args) 90 91 /* 92 * An assertion is run-time check done in debug mode only. If DEBUG is not 93 * defined then it is skipped. If DEBUG is defined and the assertion fails, 94 * then it calls panic*( which may or may not reset/halt U-Boot (see 95 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 96 * before release, and after release it is hoped that they don't matter. But 97 * in any case these failing assertions cannot be fixed with a reset (which 98 * may just do the same assertion again). 99 */ 100 void __assert_fail(const char *assertion, const char *file, unsigned line, 101 const char *function); 102 #define assert(x) \ 103 ({ if (!(x) && _DEBUG) \ 104 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 105 106 #define error(fmt, args...) do { \ 107 printf("ERROR: " pr_fmt(fmt) "\nat %s:%d/%s()\n", \ 108 ##args, __FILE__, __LINE__, __func__); \ 109 } while (0) 110 111 #ifndef BUG 112 #define BUG() do { \ 113 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 114 panic("BUG!"); \ 115 } while (0) 116 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 117 #endif /* BUG */ 118 119 typedef void (interrupt_handler_t)(void *); 120 121 #include <asm/u-boot.h> /* boot information for Linux kernel */ 122 #include <asm/global_data.h> /* global data used for startup functions */ 123 124 #if defined(CONFIG_ENV_IS_EMBEDDED) 125 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 126 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 127 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 128 defined(CONFIG_ENV_IS_IN_NVRAM) 129 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 130 #else 131 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 132 #endif 133 134 /* 135 * Function Prototypes 136 */ 137 int dram_init(void); 138 139 /** 140 * dram_init_banksize() - Set up DRAM bank sizes 141 * 142 * This can be implemented by boards to set up the DRAM bank information in 143 * gd->bd->bi_dram(). It is called just before relocation, after dram_init() 144 * is called. 145 * 146 * If this is not provided, a default implementation will try to set up a 147 * single bank. It will do this if CONFIG_NR_DRAM_BANKS and 148 * CONFIG_SYS_SDRAM_BASE are set. The bank will have a start address of 149 * CONFIG_SYS_SDRAM_BASE and the size will be determined by a call to 150 * get_effective_memsize(). 151 * 152 * @return 0 if OK, -ve on error 153 */ 154 int dram_init_banksize(void); 155 156 void hang (void) __attribute__ ((noreturn)); 157 158 int timer_init(void); 159 int cpu_init(void); 160 161 #include <display_options.h> 162 163 /* common/main.c */ 164 void main_loop (void); 165 int run_command(const char *cmd, int flag); 166 int run_command_repeatable(const char *cmd, int flag); 167 168 /** 169 * Run a list of commands separated by ; or even \0 170 * 171 * Note that if 'len' is not -1, then the command does not need to be nul 172 * terminated, Memory will be allocated for the command in that case. 173 * 174 * @param cmd List of commands to run, each separated bu semicolon 175 * @param len Length of commands excluding terminator if known (-1 if not) 176 * @param flag Execution flags (CMD_FLAG_...) 177 * @return 0 on success, or != 0 on error. 178 */ 179 int run_command_list(const char *cmd, int len, int flag); 180 181 /* arch/$(ARCH)/lib/board.c */ 182 void board_init_f(ulong); 183 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); 184 185 /** 186 * ulong board_init_f_alloc_reserve - allocate reserved area 187 * 188 * This function is called by each architecture very early in the start-up 189 * code to allow the C runtime to reserve space on the stack for writable 190 * 'globals' such as GD and the malloc arena. 191 * 192 * @top: top of the reserve area, growing down. 193 * @return: bottom of reserved area 194 */ 195 ulong board_init_f_alloc_reserve(ulong top); 196 197 /** 198 * board_init_f_init_reserve - initialize the reserved area(s) 199 * 200 * This function is called once the C runtime has allocated the reserved 201 * area on the stack. It must initialize the GD at the base of that area. 202 * 203 * @base: top from which reservation was done 204 */ 205 void board_init_f_init_reserve(ulong base); 206 207 /** 208 * arch_setup_gd() - Set up the global_data pointer 209 * 210 * This pointer is special in some architectures and cannot easily be assigned 211 * to. For example on x86 it is implemented by adding a specific record to its 212 * Global Descriptor Table! So we we provide a function to carry out this task. 213 * For most architectures this can simply be: 214 * 215 * gd = gd_ptr; 216 * 217 * @gd_ptr: Pointer to global data 218 */ 219 void arch_setup_gd(gd_t *gd_ptr); 220 221 int checkboard(void); 222 int show_board_info(void); 223 int checkflash(void); 224 int checkdram(void); 225 int last_stage_init(void); 226 extern ulong monitor_flash_len; 227 int mac_read_from_eeprom(void); 228 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 229 int set_cpu_clk_info(void); 230 int mdm_init(void); 231 int print_cpuinfo(void); 232 int update_flash_size(int flash_size); 233 int arch_early_init_r(void); 234 235 /* 236 * setup_board_extra() - Fill in extra details in the bd_t structure 237 * 238 * @return 0 if OK, -ve on error 239 */ 240 int setup_board_extra(void); 241 242 /** 243 * arch_fsp_init() - perform firmware support package init 244 * 245 * Where U-Boot relies on binary blobs to handle part of the system init, this 246 * function can be used to set up the blobs. This is used on some Intel 247 * platforms. 248 */ 249 int arch_fsp_init(void); 250 251 /** 252 * arch_cpu_init_dm() - init CPU after driver model is available 253 * 254 * This is called immediately after driver model is available before 255 * relocation. This is similar to arch_cpu_init() but is able to reference 256 * devices 257 * 258 * @return 0 if OK, -ve on error 259 */ 260 int arch_cpu_init_dm(void); 261 262 /** 263 * Reserve all necessary stacks 264 * 265 * This is used in generic board init sequence in common/board_f.c. Each 266 * architecture could provide this function to tailor the required stacks. 267 * 268 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 269 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 270 * require only this can leave it untouched. 271 * 272 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 273 * positions of the stack. The stack pointer(s) will be set to this later. 274 * gd->irq_sp is only required, if the architecture needs it. 275 * 276 * @return 0 if no error 277 */ 278 __weak int arch_reserve_stacks(void); 279 280 /** 281 * Show the DRAM size in a board-specific way 282 * 283 * This is used by boards to display DRAM information in their own way. 284 * 285 * @param size Size of DRAM (which should be displayed along with other info) 286 */ 287 void board_show_dram(phys_size_t size); 288 289 /** 290 * arch_fixup_fdt() - Write arch-specific information to fdt 291 * 292 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 293 * 294 * @blob: FDT blob to write to 295 * @return 0 if ok, or -ve FDT_ERR_... on failure 296 */ 297 int arch_fixup_fdt(void *blob); 298 299 /* 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 /* Avoid unfortunate conflict with libc's getenv() */ 324 #ifdef CONFIG_SANDBOX 325 #define getenv uboot_getenv 326 #endif 327 char *getenv (const char *); 328 int getenv_f (const char *name, char *buf, unsigned len); 329 ulong getenv_ulong(const char *name, int base, ulong default_val); 330 331 /** 332 * getenv_hex() - Return an environment variable as a hex value 333 * 334 * Decode an environment as a hex number (it may or may not have a 0x 335 * prefix). If the environment variable cannot be found, or does not start 336 * with hex digits, the default value is returned. 337 * 338 * @varname: Variable to decode 339 * @default_val: Value to return on error 340 */ 341 ulong getenv_hex(const char *varname, ulong default_val); 342 343 /* 344 * Read an environment variable as a boolean 345 * Return -1 if variable does not exist (default to true) 346 */ 347 int getenv_yesno(const char *var); 348 int saveenv (void); 349 int setenv (const char *, const char *); 350 int setenv_ulong(const char *varname, ulong value); 351 int setenv_hex(const char *varname, ulong value); 352 /** 353 * setenv_addr - Set an environment variable to an address in hex 354 * 355 * @varname: Environment variable to set 356 * @addr: Value to set it to 357 * @return 0 if ok, 1 on error 358 */ 359 static inline int setenv_addr(const char *varname, const void *addr) 360 { 361 return setenv_hex(varname, (ulong)addr); 362 } 363 364 #ifdef CONFIG_AUTO_COMPLETE 365 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 366 #endif 367 int get_env_id (void); 368 369 void pci_init (void); 370 void pci_init_board(void); 371 372 int misc_init_f (void); 373 int misc_init_r (void); 374 375 /* common/exports.c */ 376 void jumptable_init(void); 377 378 /* common/kallsysm.c */ 379 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 380 381 /* common/memsize.c */ 382 long get_ram_size (long *, long); 383 phys_size_t get_effective_memsize(void); 384 385 /* $(BOARD)/$(BOARD).c */ 386 void reset_phy (void); 387 void fdc_hw_init (void); 388 389 /* $(BOARD)/eeprom.c */ 390 #ifdef CONFIG_CMD_EEPROM 391 void eeprom_init (int bus); 392 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 393 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 394 #else 395 /* 396 * Some EEPROM code is depecated because it used the legacy I2C interface. Add 397 * some macros here so we don't have to touch every one of those uses 398 */ 399 #define eeprom_init(bus) 400 #define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 401 #define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 402 #endif 403 404 /* 405 * Set this up regardless of board 406 * type, to prevent errors. 407 */ 408 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 409 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 410 #else 411 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 412 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 413 #endif 414 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 415 416 #if defined(CONFIG_SPI) 417 extern void spi_init_f (void); 418 extern void spi_init_r (void); 419 extern ssize_t spi_read (uchar *, int, uchar *, int); 420 extern ssize_t spi_write (uchar *, int, uchar *, int); 421 #endif 422 423 /* $(BOARD)/$(BOARD).c */ 424 int board_early_init_f (void); 425 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */ 426 int board_late_init (void); 427 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 428 int board_early_init_r (void); 429 void board_poweroff (void); 430 431 #if defined(CONFIG_SYS_DRAM_TEST) 432 int testdram(void); 433 #endif /* CONFIG_SYS_DRAM_TEST */ 434 435 /* $(CPU)/start.S */ 436 int icache_status (void); 437 void icache_enable (void); 438 void icache_disable(void); 439 int dcache_status (void); 440 void dcache_enable (void); 441 void dcache_disable(void); 442 void mmu_disable(void); 443 #if defined(CONFIG_ARM) 444 void relocate_code(ulong); 445 #else 446 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 447 #endif 448 ulong get_endaddr (void); 449 void trap_init (ulong); 450 451 #if defined (CONFIG_MICROBLAZE) 452 unsigned short in16(unsigned int); 453 void out16(unsigned int, unsigned short value); 454 #endif 455 456 /* $(CPU)/cpu.c */ 457 static inline int cpumask_next(int cpu, unsigned int mask) 458 { 459 for (cpu++; !((1 << cpu) & mask); cpu++) 460 ; 461 462 return cpu; 463 } 464 465 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 466 for (iter = 0, cpu = cpumask_next(-1, mask); \ 467 iter < num_cpus; \ 468 iter++, cpu = cpumask_next(cpu, mask)) \ 469 470 int cpu_numcores (void); 471 int cpu_num_dspcores(void); 472 u32 cpu_mask (void); 473 u32 cpu_dsp_mask(void); 474 int is_core_valid (unsigned int); 475 476 /** 477 * arch_cpu_init() - basic cpu-dependent setup for an architecture 478 * 479 * This is called after early malloc is available. It should handle any 480 * CPU- or SoC- specific init needed to continue the init sequence. See 481 * board_f.c for where it is called. If this is not provided, a default 482 * version (which does nothing) will be used. 483 */ 484 int arch_cpu_init(void); 485 486 int checkcpu (void); 487 int checkicache (void); 488 int checkdcache (void); 489 void upmconfig (unsigned int, unsigned int *, unsigned int); 490 ulong get_tbclk (void); 491 void reset_misc (void); 492 void reset_cpu (ulong addr); 493 void ft_cpu_setup(void *blob, bd_t *bd); 494 void ft_pci_setup(void *blob, bd_t *bd); 495 496 void smp_set_core_boot_addr(unsigned long addr, int corenr); 497 void smp_kick_all_cpus(void); 498 499 /* $(CPU)/serial.c */ 500 int serial_init (void); 501 void serial_setbrg (void); 502 void serial_putc (const char); 503 void serial_putc_raw(const char); 504 void serial_puts (const char *); 505 int serial_getc (void); 506 int serial_tstc (void); 507 508 /* These versions take a stdio_dev pointer */ 509 struct stdio_dev; 510 int serial_stub_getc(struct stdio_dev *sdev); 511 int serial_stub_tstc(struct stdio_dev *sdev); 512 513 /* $(CPU)/speed.c */ 514 int get_clocks (void); 515 #if defined(CONFIG_LH7A40X) || \ 516 defined(CONFIG_EP93XX) 517 ulong get_FCLK (void); 518 ulong get_HCLK (void); 519 ulong get_PCLK (void); 520 ulong get_UCLK (void); 521 #endif 522 #if defined(CONFIG_LH7A40X) 523 ulong get_PLLCLK (void); 524 #endif 525 ulong get_bus_freq (ulong); 526 int get_serial_clock(void); 527 528 int cpu_init_r (void); 529 530 /* $(CPU)/interrupts.c */ 531 int interrupt_init (void); 532 void timer_interrupt (struct pt_regs *); 533 void external_interrupt (struct pt_regs *); 534 void irq_install_handler(int, interrupt_handler_t *, void *); 535 void irq_free_handler (int); 536 void reset_timer (void); 537 538 /* Return value of monotonic microsecond timer */ 539 unsigned long timer_get_us(void); 540 541 void enable_interrupts (void); 542 int disable_interrupts (void); 543 544 /* $(CPU)/.../commproc.c */ 545 int dpram_init (void); 546 uint dpram_base(void); 547 uint dpram_base_align(uint align); 548 uint dpram_alloc(uint size); 549 uint dpram_alloc_align(uint size,uint align); 550 void bootcount_store (ulong); 551 ulong bootcount_load (void); 552 #define BOOTCOUNT_MAGIC 0xB001C041 553 554 /* $(CPU)/.../<eth> */ 555 void mii_init (void); 556 557 /* $(CPU)/.../lcd.c */ 558 ulong lcd_setmem (ulong); 559 560 /* $(CPU)/.../video.c */ 561 ulong video_setmem (ulong); 562 563 /* arch/$(ARCH)/lib/cache.c */ 564 void enable_caches(void); 565 void flush_cache (unsigned long, unsigned long); 566 void flush_dcache_all(void); 567 void flush_dcache_range(unsigned long start, unsigned long stop); 568 void invalidate_dcache_range(unsigned long start, unsigned long stop); 569 void invalidate_dcache_all(void); 570 void invalidate_icache_all(void); 571 572 enum { 573 /* Disable caches (else flush caches but leave them active) */ 574 CBL_DISABLE_CACHES = 1 << 0, 575 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 576 577 CBL_ALL = 3, 578 }; 579 580 /** 581 * Clean up ready for linux 582 * 583 * @param flags Flags to control what is done 584 */ 585 int cleanup_before_linux_select(int flags); 586 587 /* arch/$(ARCH)/lib/ticks.S */ 588 uint64_t get_ticks(void); 589 void wait_ticks (unsigned long); 590 591 /* arch/$(ARCH)/lib/time.c */ 592 ulong usec2ticks (unsigned long usec); 593 ulong ticks2usec (unsigned long ticks); 594 595 /* lib/gunzip.c */ 596 int gunzip(void *, int, unsigned char *, unsigned long *); 597 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 598 int stoponerr, int offset); 599 600 /** 601 * gzwrite progress indicators: defined weak to allow board-specific 602 * overrides: 603 * 604 * gzwrite_progress_init called on startup 605 * gzwrite_progress called during decompress/write loop 606 * gzwrite_progress_finish called at end of loop to 607 * indicate success (retcode=0) or failure 608 */ 609 void gzwrite_progress_init(u64 expected_size); 610 611 void gzwrite_progress(int iteration, 612 u64 bytes_written, 613 u64 total_bytes); 614 615 void gzwrite_progress_finish(int retcode, 616 u64 totalwritten, 617 u64 totalsize, 618 u32 expected_crc, 619 u32 calculated_crc); 620 621 /** 622 * decompress and write gzipped image from memory to block device 623 * 624 * @param src compressed image address 625 * @param len compressed image length in bytes 626 * @param dev block device descriptor 627 * @param szwritebuf bytes per write (pad to erase size) 628 * @param startoffs offset in bytes of first write 629 * @param szexpected expected uncompressed length 630 * may be zero to use gzip trailer 631 * for files under 4GiB 632 */ 633 int gzwrite(unsigned char *src, int len, 634 struct blk_desc *dev, 635 unsigned long szwritebuf, 636 u64 startoffs, 637 u64 szexpected); 638 639 /* lib/lz4_wrapper.c */ 640 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn); 641 642 /* lib/qsort.c */ 643 void qsort(void *base, size_t nmemb, size_t size, 644 int(*compar)(const void *, const void *)); 645 int strcmp_compar(const void *, const void *); 646 647 /* lib/uuid.c */ 648 #include <uuid.h> 649 650 /* lib/vsprintf.c */ 651 #include <vsprintf.h> 652 653 /* lib/strmhz.c */ 654 char * strmhz(char *buf, unsigned long hz); 655 656 /* lib/crc32.c */ 657 #include <u-boot/crc.h> 658 659 /* lib/rand.c */ 660 #define RAND_MAX -1U 661 void srand(unsigned int seed); 662 unsigned int rand(void); 663 unsigned int rand_r(unsigned int *seedp); 664 665 /* 666 * STDIO based functions (can always be used) 667 */ 668 /* serial stuff */ 669 int serial_printf (const char *fmt, ...) 670 __attribute__ ((format (__printf__, 1, 2))); 671 /* stdin */ 672 int getc(void); 673 int tstc(void); 674 675 /* stdout */ 676 #if !defined(CONFIG_SPL_BUILD) || \ 677 (defined(CONFIG_TPL_BUILD) && defined(CONFIG_TPL_SERIAL_SUPPORT)) || \ 678 (defined(CONFIG_SPL_BUILD) && !defined(CONFIG_TPL_BUILD) && \ 679 defined(CONFIG_SPL_SERIAL_SUPPORT)) 680 void putc(const char c); 681 void puts(const char *s); 682 int printf(const char *fmt, ...) 683 __attribute__ ((format (__printf__, 1, 2))); 684 int vprintf(const char *fmt, va_list args); 685 #else 686 #define putc(...) do { } while (0) 687 #define puts(...) do { } while (0) 688 #define printf(...) do { } while (0) 689 #define vprintf(...) do { } while (0) 690 #endif 691 692 /* stderr */ 693 #define eputc(c) fputc(stderr, c) 694 #define eputs(s) fputs(stderr, s) 695 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 696 697 /* 698 * FILE based functions (can only be used AFTER relocation!) 699 */ 700 #define stdin 0 701 #define stdout 1 702 #define stderr 2 703 #define MAX_FILES 3 704 705 int fprintf(int file, const char *fmt, ...) 706 __attribute__ ((format (__printf__, 2, 3))); 707 void fputs(int file, const char *s); 708 void fputc(int file, const char c); 709 int ftstc(int file); 710 int fgetc(int file); 711 712 /* lib/gzip.c */ 713 int gzip(void *dst, unsigned long *lenp, 714 unsigned char *src, unsigned long srclen); 715 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 716 unsigned long srclen, int stoponerr, 717 int (*func)(unsigned long, unsigned long)); 718 719 /* lib/net_utils.c */ 720 #include <net.h> 721 static inline struct in_addr getenv_ip(char *var) 722 { 723 return string_to_ip(getenv(var)); 724 } 725 726 int pcmcia_init (void); 727 728 #ifdef CONFIG_LED_STATUS 729 # include <status_led.h> 730 #endif 731 732 #include <bootstage.h> 733 734 #ifdef CONFIG_SHOW_ACTIVITY 735 void show_activity(int arg); 736 #endif 737 738 /* Multicore arch functions */ 739 #ifdef CONFIG_MP 740 int cpu_status(int nr); 741 int cpu_reset(int nr); 742 int cpu_disable(int nr); 743 int cpu_release(int nr, int argc, char * const argv[]); 744 #endif 745 746 #else /* __ASSEMBLY__ */ 747 748 /* Drop a C type modifier (like in 3UL) for constants used in assembly. */ 749 #define _AC(X, Y) X 750 751 #endif /* __ASSEMBLY__ */ 752 753 /* Put only stuff here that the assembler can digest */ 754 755 /* Declare an unsigned long constant digestable both by C and an assembler. */ 756 #define UL(x) _AC(x, UL) 757 758 #ifdef CONFIG_POST 759 #define CONFIG_HAS_POST 760 #ifndef CONFIG_POST_ALT_LIST 761 #define CONFIG_POST_STD_LIST 762 #endif 763 #endif 764 765 #ifdef CONFIG_INIT_CRITICAL 766 #error CONFIG_INIT_CRITICAL is deprecated! 767 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 768 #endif 769 770 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 771 772 /* 773 * check_member() - Check the offset of a structure member 774 * 775 * @structure: Name of structure (e.g. global_data) 776 * @member: Name of member (e.g. baudrate) 777 * @offset: Expected offset in bytes 778 */ 779 #define check_member(structure, member, offset) _Static_assert( \ 780 offsetof(struct structure, member) == offset, \ 781 "`struct " #structure "` offset for `" #member "` is not " #offset) 782 783 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ 784 #ifdef CONFIG_EFI_STUB 785 #define ll_boot_init() false 786 #else 787 #define ll_boot_init() true 788 #endif 789 790 /* Pull in stuff for the build system */ 791 #ifdef DO_DEPS_ONLY 792 # include <environment.h> 793 #endif 794 795 #endif /* __COMMON_H_ */ 796