X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=include%2Fos.h;h=049b248c5b016fe59e050cac153300202b071889;hb=bd60252811c3c81dd0a32c0871b9116ba160190f;hp=e3645e01169b4a84ae7802ecf95a16298041499a;hpb=746667f1e56bf08d03e66a178df3c4f4f6c806e1;p=u-boot diff --git a/include/os.h b/include/os.h index e3645e0116..049b248c5b 100644 --- a/include/os.h +++ b/include/os.h @@ -13,6 +13,7 @@ #include +struct rtc_time; struct sandbox_state; /** @@ -64,7 +65,7 @@ off_t os_lseek(int fd, off_t offset, int whence); * Access to the OS open() system call * * \param pathname Pathname of file to open - * \param flags Flags, like O_RDONLY, O_RDWR + * \param flags Flags, like OS_O_RDONLY, OS_O_RDWR * \return file descriptor, or -1 on error */ int os_open(const char *pathname, int flags); @@ -110,6 +111,14 @@ void os_exit(int exit_code) __attribute__((noreturn)); */ void os_tty_raw(int fd, bool allow_sigs); +/** + * Restore the tty to its original mode + * + * Call this to restore the original terminal mode, after it has been changed + * by os_tty_raw(). This is an internal function. + */ +void os_fd_restore(void); + /** * Acquires some memory from the underlying os. * @@ -205,10 +214,19 @@ struct os_dirent_node { */ int os_dirent_ls(const char *dirname, struct os_dirent_node **headp); +/** + * Free directory list + * + * This frees a linked list containing a directory listing. + * + * @param node Pointer to head of linked list + */ +void os_dirent_free(struct os_dirent_node *node); + /** * Get the name of a directory entry type * - * @param type Type to cehck + * @param type Type to check * @return string containing the name of that type, or "???" if none/invalid */ const char *os_dirent_get_typename(enum os_dirent_t type); @@ -277,4 +295,39 @@ int os_read_ram_buf(const char *fname); */ int os_jump_to_image(const void *dest, int size); +/** + * os_find_u_boot() - Determine the path to U-Boot proper + * + * This function is intended to be called from within sandbox SPL. It uses + * a few heuristics to find U-Boot proper. Normally it is either in the same + * directory, or the directory above (since u-boot-spl is normally in an + * spl/ subdirectory when built). + * + * @fname: Place to put full path to U-Boot + * @maxlen: Maximum size of @fname + * @return 0 if OK, -NOSPC if the filename is too large, -ENOENT if not found + */ +int os_find_u_boot(char *fname, int maxlen); + +/** + * os_spl_to_uboot() - Run U-Boot proper + * + * When called from SPL, this runs U-Boot proper. The filename is obtained by + * calling os_find_u_boot(). + * + * @fname: Full pathname to U-Boot executable + * @return 0 if OK, -ve on error + */ +int os_spl_to_uboot(const char *fname); + +/** + * Read the current system time + * + * This reads the current Local Time and places it into the provided + * structure. + * + * @param rt Place to put system time + */ +void os_localtime(struct rtc_time *rt); + #endif