X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Fcommon.h;h=e14e1daa88bfc3c04bfac2313204e5766bbee50e;hb=268d05f552e5408c16dab5a963d85e2fb4f883aa;hp=638c45b954d22a2df3e704e010ee8c90dd20a90e;hpb=b9eaeae19eb93993e18149f119fa360b13c5643f;p=oweals%2Fu-boot.git diff --git a/include/common.h b/include/common.h index 638c45b954..e14e1daa88 100644 --- a/include/common.h +++ b/include/common.h @@ -23,12 +23,15 @@ typedef volatile unsigned char vu_char; #include #include #include +#include #include #include +#include #include #include #include #include +#include #include #include @@ -54,11 +57,6 @@ typedef volatile unsigned char vu_char; #define _SPL_BUILD 0 #endif -/* Define this at the top of a file to add a prefix to debug messages */ -#ifndef pr_fmt -#define pr_fmt(fmt) fmt -#endif - /* * Output a debug text when condition "cond" is met. The "cond" should be * computed by a preprocessor in the best case, allowing for the best @@ -93,19 +91,6 @@ void __assert_fail(const char *assertion, const char *file, unsigned line, ({ if (!(x) && _DEBUG) \ __assert_fail(#x, __FILE__, __LINE__, __func__); }) -#define error(fmt, args...) do { \ - printf("ERROR: " pr_fmt(fmt) "\nat %s:%d/%s()\n", \ - ##args, __FILE__, __LINE__, __func__); \ -} while (0) - -#ifndef BUG -#define BUG() do { \ - printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ - panic("BUG!"); \ -} while (0) -#define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) -#endif /* BUG */ - typedef void (interrupt_handler_t)(void *); #include /* boot information for Linux kernel */ @@ -286,6 +271,7 @@ void board_show_dram(phys_size_t size); */ int arch_fixup_fdt(void *blob); +int reserve_mmu(void); /* common/flash.c */ void flash_perror (int); @@ -310,16 +296,45 @@ int env_init (void); void env_relocate (void); int envmatch (uchar *, int); -/* Avoid unfortunate conflict with libc's getenv() */ -#ifdef CONFIG_SANDBOX -#define getenv uboot_getenv -#endif -char *getenv (const char *); -int getenv_f (const char *name, char *buf, unsigned len); -ulong getenv_ulong(const char *name, int base, ulong default_val); +/** + * env_get() - Look up the value of an environment variable + * + * In U-Boot proper this can be called before relocation (which is when the + * environment is loaded from storage, i.e. GD_FLG_ENV_READY is 0). In that + * case this function calls env_get_f(). + * + * @varname: Variable to look up + * @return value of variable, or NULL if not found + */ +char *env_get(const char *varname); /** - * getenv_hex() - Return an environment variable as a hex value + * env_get_f() - Look up the value of an environment variable (early) + * + * This function is called from env_get() if the environment has not been + * loaded yet (GD_FLG_ENV_READY flag is 0). Some environment locations will + * support reading the value (slowly) and some will not. + * + * @varname: Variable to look up + * @return value of variable, or NULL if not found + */ +int env_get_f(const char *name, char *buf, unsigned len); + +/** + * env_get_ulong() - Return an environment variable as an integer value + * + * Most U-Boot environment variables store hex values. For those which store + * (e.g.) base-10 integers, this function can be used to read the value. + * + * @name: Variable to look up + * @base: Base to use (e.g. 10 for base 10, 2 for binary) + * @default_val: Default value to return if no value is found + * @return the value found, or @default_val if none + */ +ulong env_get_ulong(const char *name, int base, ulong default_val); + +/** + * env_get_hex() - Return an environment variable as a hex value * * Decode an environment as a hex number (it may or may not have a 0x * prefix). If the environment variable cannot be found, or does not start @@ -328,27 +343,54 @@ ulong getenv_ulong(const char *name, int base, ulong default_val); * @varname: Variable to decode * @default_val: Value to return on error */ -ulong getenv_hex(const char *varname, ulong default_val); +ulong env_get_hex(const char *varname, ulong default_val); /* * Read an environment variable as a boolean * Return -1 if variable does not exist (default to true) */ -int getenv_yesno(const char *var); -int saveenv (void); -int setenv (const char *, const char *); -int setenv_ulong(const char *varname, ulong value); -int setenv_hex(const char *varname, ulong value); +int env_get_yesno(const char *var); + /** - * setenv_addr - Set an environment variable to an address in hex + * env_set() - set an environment variable + * + * This sets or deletes the value of an environment variable. For setting the + * value the variable is created if it does not already exist. + * + * @varname: Variable to adjust + * @value: Value to set for the variable, or NULL or "" to delete the variable + * @return 0 if OK, 1 on error + */ +int env_set(const char *varname, const char *value); + +/** + * env_set_ulong() - set an environment variable to an integer + * + * @varname: Variable to adjust + * @value: Value to set for the variable (will be converted to a string) + * @return 0 if OK, 1 on error + */ +int env_set_ulong(const char *varname, ulong value); + +/** + * env_set_hex() - set an environment variable to a hex value + * + * @varname: Variable to adjust + * @value: Value to set for the variable (will be converted to a hex string) + * @return 0 if OK, 1 on error + */ +int env_set_hex(const char *varname, ulong value); + +/** + * env_set_addr - Set an environment variable to an address in hex * * @varname: Environment variable to set * @addr: Value to set it to * @return 0 if ok, 1 on error */ -static inline int setenv_addr(const char *varname, const void *addr) +static inline int env_set_addr(const char *varname, const void *addr) { - return setenv_hex(varname, (ulong)addr); + return env_set_hex(varname, (ulong)addr); } #ifdef CONFIG_AUTO_COMPLETE @@ -359,6 +401,10 @@ int get_env_id (void); void pci_init (void); void pci_init_board(void); +#if defined(CONFIG_DTB_RESELECT) +int embedded_dtb_select(void); +#endif + int misc_init_f (void); int misc_init_r (void); @@ -468,6 +514,8 @@ int is_core_valid (unsigned int); */ int arch_cpu_init(void); +void s_init(void); + int checkcpu (void); int checkicache (void); int checkdcache (void); @@ -490,11 +538,6 @@ void serial_puts (const char *); int serial_getc (void); int serial_tstc (void); -/* These versions take a stdio_dev pointer */ -struct stdio_dev; -int serial_stub_getc(struct stdio_dev *sdev); -int serial_stub_tstc(struct stdio_dev *sdev); - /* $(CPU)/speed.c */ int get_clocks (void); ulong get_bus_freq (ulong); @@ -568,6 +611,7 @@ ulong usec2ticks (unsigned long usec); ulong ticks2usec (unsigned long ticks); /* lib/gunzip.c */ +int gzip_parse_header(const unsigned char *src, unsigned long len); int gunzip(void *, int, unsigned char *, unsigned long *); int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, int stoponerr, int offset); @@ -643,46 +687,6 @@ unsigned int rand_r(unsigned int *seedp); /* serial stuff */ int serial_printf (const char *fmt, ...) __attribute__ ((format (__printf__, 1, 2))); -/* stdin */ -int getc(void); -int tstc(void); - -/* stdout */ -#if !defined(CONFIG_SPL_BUILD) || \ - (defined(CONFIG_TPL_BUILD) && defined(CONFIG_TPL_SERIAL_SUPPORT)) || \ - (defined(CONFIG_SPL_BUILD) && !defined(CONFIG_TPL_BUILD) && \ - defined(CONFIG_SPL_SERIAL_SUPPORT)) -void putc(const char c); -void puts(const char *s); -int printf(const char *fmt, ...) - __attribute__ ((format (__printf__, 1, 2))); -int vprintf(const char *fmt, va_list args); -#else -#define putc(...) do { } while (0) -#define puts(...) do { } while (0) -#define printf(...) do { } while (0) -#define vprintf(...) do { } while (0) -#endif - -/* stderr */ -#define eputc(c) fputc(stderr, c) -#define eputs(s) fputs(stderr, s) -#define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) - -/* - * FILE based functions (can only be used AFTER relocation!) - */ -#define stdin 0 -#define stdout 1 -#define stderr 2 -#define MAX_FILES 3 - -int fprintf(int file, const char *fmt, ...) - __attribute__ ((format (__printf__, 2, 3))); -void fputs(int file, const char *s); -void fputc(int file, const char c); -int ftstc(int file); -int fgetc(int file); /* lib/gzip.c */ int gzip(void *dst, unsigned long *lenp, @@ -693,9 +697,9 @@ int zzip(void *dst, unsigned long *lenp, unsigned char *src, /* lib/net_utils.c */ #include -static inline struct in_addr getenv_ip(char *var) +static inline struct in_addr env_get_ip(char *var) { - return string_to_ip(getenv(var)); + return string_to_ip(env_get(var)); } int pcmcia_init (void);