diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/cbfs.h | 181 | ||||
| -rw-r--r-- | include/command.h | 28 | ||||
| -rw-r--r-- | include/configs/coreboot.h | 3 | ||||
| -rw-r--r-- | include/ide.h | 2 | ||||
| -rw-r--r-- | include/linker_lists.h | 148 |
5 files changed, 348 insertions, 14 deletions
diff --git a/include/cbfs.h b/include/cbfs.h new file mode 100644 index 0000000000..6ea3f35119 --- /dev/null +++ b/include/cbfs.h @@ -0,0 +1,181 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. All rights reserved. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __CBFS_H +#define __CBFS_H + +#include <compiler.h> +#include <linux/compiler.h> + +enum cbfs_result { + CBFS_SUCCESS = 0, + CBFS_NOT_INITIALIZED, + CBFS_BAD_HEADER, + CBFS_BAD_FILE, + CBFS_FILE_NOT_FOUND +}; + +enum cbfs_filetype { + CBFS_TYPE_STAGE = 0x10, + CBFS_TYPE_PAYLOAD = 0x20, + CBFS_TYPE_OPTIONROM = 0x30, + CBFS_TYPE_BOOTSPLASH = 0x40, + CBFS_TYPE_RAW = 0x50, + CBFS_TYPE_VSA = 0x51, + CBFS_TYPE_MBI = 0x52, + CBFS_TYPE_MICROCODE = 0x53, + CBFS_COMPONENT_CMOS_DEFAULT = 0xaa, + CBFS_COMPONENT_CMOS_LAYOUT = 0x01aa +}; + +struct cbfs_header { + u32 magic; + u32 version; + u32 rom_size; + u32 boot_block_size; + u32 align; + u32 offset; + u32 pad[2]; +} __packed; + +struct cbfs_fileheader { + u8 magic[8]; + u32 len; + u32 type; + u32 checksum; + u32 offset; +} __packed; + +struct cbfs_cachenode { + struct cbfs_cachenode *next; + u32 type; + void *data; + u32 data_length; + char *name; + u32 name_length; + u32 checksum; +} __packed; + +extern enum cbfs_result file_cbfs_result; + +/* + * Return a string describing the most recent error condition. + * + * @return A pointer to the constant string. + */ +const char *file_cbfs_error(void); + +/* + * Initialize the CBFS driver and load metadata into RAM. + * + * @param end_of_rom Points to the end of the ROM the CBFS should be read + * from. + */ +void file_cbfs_init(uintptr_t end_of_rom); + +/* + * Get the header structure for the current CBFS. + * + * @return A pointer to the constant structure, or NULL if there is none. + */ +const struct cbfs_header *file_cbfs_get_header(void); + +/* + * Get a handle for the first file in CBFS. + * + * @return A handle for the first file in CBFS, NULL on error. + */ +const struct cbfs_cachenode *file_cbfs_get_first(void); + +/* + * Get a handle to the file after this one in CBFS. + * + * @param file A pointer to the handle to advance. + */ +void file_cbfs_get_next(const struct cbfs_cachenode **file); + +/* + * Find a file with a particular name in CBFS. + * + * @param name The name to search for. + * + * @return A handle to the file, or NULL on error. + */ +const struct cbfs_cachenode *file_cbfs_find(const char *name); + + +/***************************************************************************/ +/* All of the functions below can be used without first initializing CBFS. */ +/***************************************************************************/ + +/* + * Find a file with a particular name in CBFS without using the heap. + * + * @param end_of_rom Points to the end of the ROM the CBFS should be read + * from. + * @param name The name to search for. + * + * @return A handle to the file, or NULL on error. + */ +const struct cbfs_cachenode *file_cbfs_find_uncached(uintptr_t end_of_rom, + const char *name); + +/* + * Get the name of a file in CBFS. + * + * @param file The handle to the file. + * + * @return The name of the file, NULL on error. + */ +const char *file_cbfs_name(const struct cbfs_cachenode *file); + +/* + * Get the size of a file in CBFS. + * + * @param file The handle to the file. + * + * @return The size of the file, zero on error. + */ +u32 file_cbfs_size(const struct cbfs_cachenode *file); + +/* + * Get the type of a file in CBFS. + * + * @param file The handle to the file. + * + * @return The type of the file, zero on error. + */ +u32 file_cbfs_type(const struct cbfs_cachenode *file); + +/* + * Read a file from CBFS into RAM + * + * @param file A handle to the file to read. + * @param buffer Where to read it into memory. + * + * @return If positive or zero, the number of characters read. If negative, an + * error occurred. + */ +long file_cbfs_read(const struct cbfs_cachenode *file, void *buffer, + unsigned long maxsize); + +#endif /* __CBFS_H */ diff --git a/include/command.h b/include/command.h index 1f06aa1819..10bc2606c7 100644 --- a/include/command.h +++ b/include/command.h @@ -28,6 +28,7 @@ #define __COMMAND_H #include <config.h> +#include <linker_lists.h> #ifndef NULL #define NULL 0 @@ -61,8 +62,6 @@ struct cmd_tbl_s { typedef struct cmd_tbl_s cmd_tbl_t; -extern cmd_tbl_t __u_boot_cmd_start; -extern cmd_tbl_t __u_boot_cmd_end; #if defined(CONFIG_CMD_RUN) extern int do_run(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); @@ -153,9 +152,6 @@ int cmd_process(int flag, int argc, char * const argv[], #define CMD_FLAG_REPEAT 0x0001 /* repeat last command */ #define CMD_FLAG_BOOTD 0x0002 /* command is from bootd */ -#define Struct_Section __attribute__((unused, section(".u_boot_cmd"), \ - aligned(4))) - #ifdef CONFIG_AUTO_COMPLETE # define _CMD_COMPLETE(x) x, #else @@ -167,18 +163,22 @@ int cmd_process(int flag, int argc, char * const argv[], # define _CMD_HELP(x) #endif -#define U_BOOT_CMD_MKENT_COMPLETE(name,maxargs,rep,cmd,usage,help,comp) \ - {#name, maxargs, rep, cmd, usage, _CMD_HELP(help) _CMD_COMPLETE(comp)} +#define U_BOOT_CMD_MKENT_COMPLETE(_name, _maxargs, _rep, _cmd, \ + _usage, _help, _comp) \ + { #_name, _maxargs, _rep, _cmd, _usage, \ + _CMD_HELP(_help) _CMD_COMPLETE(_comp) } -#define U_BOOT_CMD_MKENT(name,maxargs,rep,cmd,usage,help) \ - U_BOOT_CMD_MKENT_COMPLETE(name,maxargs,rep,cmd,usage,help,NULL) +#define U_BOOT_CMD_MKENT(_name, _maxargs, _rep, _cmd, _usage, _help) \ + U_BOOT_CMD_MKENT_COMPLETE(_name, _maxargs, _rep, _cmd, \ + _usage, _help, NULL) -#define U_BOOT_CMD_COMPLETE(name,maxargs,rep,cmd,usage,help,comp) \ - cmd_tbl_t __u_boot_cmd_##name Struct_Section = \ - U_BOOT_CMD_MKENT_COMPLETE(name,maxargs,rep,cmd,usage,help,comp) +#define U_BOOT_CMD_COMPLETE(_name, _maxargs, _rep, _cmd, _usage, _help, _comp) \ + ll_entry_declare(cmd_tbl_t, _name, cmd, cmd) = \ + U_BOOT_CMD_MKENT_COMPLETE(_name, _maxargs, _rep, _cmd, \ + _usage, _help, _comp); -#define U_BOOT_CMD(name,maxargs,rep,cmd,usage,help) \ - U_BOOT_CMD_COMPLETE(name,maxargs,rep,cmd,usage,help,NULL) +#define U_BOOT_CMD(_name, _maxargs, _rep, _cmd, _usage, _help) \ + U_BOOT_CMD_COMPLETE(_name, _maxargs, _rep, _cmd, _usage, _help, NULL) #if defined(CONFIG_NEEDS_MANUAL_RELOC) void fixup_cmdtable(cmd_tbl_t *cmdtp, int size); diff --git a/include/configs/coreboot.h b/include/configs/coreboot.h index 0e89242db7..3df085be51 100644 --- a/include/configs/coreboot.h +++ b/include/configs/coreboot.h @@ -92,6 +92,9 @@ #define CONFIG_MAC_PARTITION #define CONFIG_ISO_PARTITION /* Experimental */ +#define CONFIG_CMD_CBFS +#define CONFIG_CMD_EXT4 +#define CONFIG_CMD_EXT4_WRITE /*----------------------------------------------------------------------- * Video Configuration diff --git a/include/ide.h b/include/ide.h index 695d08eecc..158e1beaf9 100644 --- a/include/ide.h +++ b/include/ide.h @@ -43,8 +43,10 @@ extern ulong ide_bus_offset[]; #ifdef CONFIG_SYS_64BIT_LBA typedef uint64_t lbaint_t; +#define LBAF "%llx" #else typedef ulong lbaint_t; +#define LBAF "%lx" #endif /* diff --git a/include/linker_lists.h b/include/linker_lists.h new file mode 100644 index 0000000000..0b405d78ea --- /dev/null +++ b/include/linker_lists.h @@ -0,0 +1,148 @@ +/* + * include/linker_lists.h + * + * Implementation of linker-generated arrays + * + * Copyright (C) 2012 Marek Vasut <marex@denx.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + */ +#ifndef __LINKER_LISTS_H__ +#define __LINKER_LISTS_H__ + +/** + * ll_entry_declare() - Declare linker-generated array entry + * @_type: Data type of the entry + * @_name: Name of the entry + * @_section_u: Subsection of u_boot_list in which this entry is placed + * (with underscores instead of dots, for name concatenation) + * @_section_d: Subsection of u_boot_list in which this entry is placed + * (with dots, for section concatenation) + * + * This macro declares a variable that is placed into a linker-generated + * array. This is a basic building block for more advanced use of linker- + * generated arrays. The user is expected to build their own macro wrapper + * around this one. + * + * A variable declared using this macro must be compile-time initialized + * and is as such placed into subsection of special section, .u_boot_list. + * The subsection is specified by the _section_[u,d] parameter, see below. + * The base name of the variable is _name, yet the actual variable is + * declared as concatenation of + * + * %_u_boot_list_ + @_section_u + _ + @_name + * + * which ensures name uniqueness. This variable shall never be refered + * directly though. + * + * Special precaution must be made when using this macro: + * 1) The _type must not contain the "static" keyword, otherwise the entry + * is not generated. + * + * 2) The @_section_u and @_section_d variables must match, the only difference + * is that in @_section_u is every dot "." character present in @_section_d + * replaced by a single underscore "_" character in @_section_u. The actual + * purpose of these parameters is to select proper subsection in the global + * .u_boot_list section. + * + * 3) In case a section is declared that contains some array elements AND a + * subsection of this section is declared and contains some elements, it is + * imperative that the elements are of the same type. + * + * 4) In case an outer section is declared that contains some array elements + * AND am inner subsection of this section is declared and contains some + * elements, then when traversing the outer section, even the elements of + * the inner sections are present in the array. + * + * Example: + * ll_entry_declare(struct my_sub_cmd, my_sub_cmd, cmd_sub, cmd.sub) = { + * .x = 3, + * .y = 4, + * }; + */ +#define ll_entry_declare(_type, _name, _section_u, _section_d) \ + _type _u_boot_list_##_section_u##_##_name __attribute__(( \ + unused, aligned(4), \ + section(".u_boot_list."#_section_d"."#_name))) + +/** + * ll_entry_start() - Point to first entry of linker-generated array + * @_type: Data type of the entry + * @_section_u: Subsection of u_boot_list in which this entry is placed + * (with underscores instead of dots) + * + * This function returns (_type *) pointer to the very first entry of a + * linker-generated array placed into subsection of .u_boot_list section + * specified by _section_u argument. + * + * Example: + * struct my_sub_cmd *msc = ll_entry_start(struct my_sub_cmd, cmd_sub); + */ +#define ll_entry_start(_type, _section_u) \ + ({ \ + extern _type _u_boot_list_##_section_u##__start; \ + _type *_ll_result = &_u_boot_list_##_section_u##__start;\ + _ll_result; \ + }) + +/** + * ll_entry_count() - Return the number of elements in linker-generated array + * @_type: Data type of the entry + * @_section_u: Subsection of u_boot_list in which this entry is placed + * (with underscores instead of dots) + * + * This function returns the number of elements of a linker-generated array + * placed into subsection of .u_boot_list section specified by _section_u + * argument. The result is of an unsigned int type. + * + * Example: + * int i; + * const unsigned int count = ll_entry_count(struct my_sub_cmd, cmd_sub); + * struct my_sub_cmd *msc = ll_entry_start(struct my_sub_cmd, cmd_sub); + * for (i = 0; i < count; i++, msc++) + * printf("Entry %i, x=%i y=%i\n", i, msc->x, msc->y); + */ +#define ll_entry_count(_type, _section_u) \ + ({ \ + extern _type _u_boot_list_##_section_u##__start; \ + extern _type _u_boot_list_##_section_u##__end; \ + unsigned int _ll_result = \ + &_u_boot_list_##_section_u##__end - \ + &_u_boot_list_##_section_u##__start; \ + _ll_result; \ + }) + + +/** + * ll_entry_get() - Retrieve entry from linker-generated array by name + * @_type: Data type of the entry + * @_name: Name of the entry + * @_section_u: Subsection of u_boot_list in which this entry is placed + * (with underscores instead of dots) + * + * This function returns a pointer to a particular entry in LG-array + * identified by the subsection of u_boot_list where the entry resides + * and it's name. + * + * Example: + * ll_entry_declare(struct my_sub_cmd, my_sub_cmd, cmd_sub, cmd.sub) = { + * .x = 3, + * .y = 4, + * }; + * ... + * struct my_sub_cmd *c = ll_entry_get(struct my_sub_cmd, my_sub_cmd, cmd_sub); + */ +#define ll_entry_get(_type, _name, _section_u) \ + ({ \ + extern _type _u_boot_list_##_section_u##_##_name; \ + _type *_ll_result = &_u_boot_list_##_section_u##_##_name;\ + _ll_result; \ + }) + +#endif /* __LINKER_LISTS_H__ */ |