doc added and some reorganised
This commit is contained in:
Juergen Beisert
parent
18690c9c23
commit
afe73cff56
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@ -2,12 +2,9 @@
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FIXME: Hints and tips for simply adapting UBootv2
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@subpage dev_board
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@subpage dev_cpu
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@subpage dev_architecture
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@subpage dev_params
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- @subpage dev_board
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- @subpage dev_cpu
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- @subpage dev_architecture
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- @subpage dev_params
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*/
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@ -2,7 +2,7 @@
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FIXME: Hints and tips for simply using UBootv2
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@subpage command_reference
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@subpage partitions
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- @subpage command_reference
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- @subpage partitions
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*/
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@ -8,8 +8,8 @@ Friesel
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Frasel
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@subpage dev_arm_mach
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@subpage dev_bf_mach
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@subpage dev_ppc_mach
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- @subpage dev_arm_mach
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- @subpage dev_bf_mach
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- @subpage dev_ppc_mach
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*/
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@ -1,6 +1,4 @@
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/*
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* cat.c - conacatenate files
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*
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* Copyright (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
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*
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* See file CREDITS for list of people who contributed to this
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@ -20,6 +18,11 @@
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/**
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* @file
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* @brief Concatenate files to stdout command
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*/
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#include <common.h>
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#include <command.h>
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#include <fs.h>
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@ -29,6 +32,11 @@
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#include <xfuncs.h>
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#include <malloc.h>
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/**
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* @param[in] cmdtp FIXME
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* @param[in] argc Argument count from command line
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* @param[in] argv List of input arguments
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*/
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static int do_cat(cmd_tbl_t *cmdtp, int argc, char *argv[])
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{
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int ret;
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@ -85,3 +93,12 @@ U_BOOT_CMD_START(cat)
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.usage = "concatenate file(s)",
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U_BOOT_CMD_HELP(cmd_cat_help)
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U_BOOT_CMD_END
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/**
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* @page cat_command cat (concatenate)
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*
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* Usage is: cat <file> [<file> ...]
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*
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* Concatenate files to stdout. Currently only printable characters
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* and \\n and \\t are printed, but this should be optional
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*/
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@ -20,6 +20,11 @@
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/**
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* @file
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* @brief Change working directory
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*/
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#include <common.h>
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#include <command.h>
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#include <fs.h>
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@ -52,3 +57,11 @@ U_BOOT_CMD_START(cd)
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.usage = "change working directory",
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U_BOOT_CMD_HELP(cmd_cd_help)
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U_BOOT_CMD_END
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/**
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* @page cd_command cd (change working directory)
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*
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* Usage is: cd [<directory name>]
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*
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* Change to <directory name>. If called without argument, change to / (root)
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*/
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@ -20,6 +20,10 @@
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/**
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* @file
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* @brief "cp" command implementation
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*/
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#include <common.h>
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#include <command.h>
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#include <fs.h>
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@ -32,6 +36,10 @@
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#define RW_BUF_SIZE (ulong)4096
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/**
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* @param[in] src FIXME
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* @param[out] dst FIXME
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*/
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static int copy_file(const char *src, const char *dst)
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{
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char *rw_buf = NULL;
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@ -79,6 +87,11 @@ out:
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return ret;
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}
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/**
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* @param[in] cmdtp FIXME
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* @param[in] argc Argument count from command line
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* @param[in] argv List of input arguments
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*/
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static int do_cp ( cmd_tbl_t *cmdtp, int argc, char *argv[])
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{
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int ret = 1;
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@ -134,3 +147,11 @@ U_BOOT_CMD_START(cp)
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.usage = "copy files",
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U_BOOT_CMD_HELP(cmd_cp_help)
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U_BOOT_CMD_END
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/**
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* @page cp_command cp (copy)
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*
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* Usage: cp <source> [<source>] <destination>
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*
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* FIXME
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*/
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@ -20,6 +20,11 @@
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/**
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* @file
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* @brief Managing environment and environment variables
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*/
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#ifdef __U_BOOT__
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#include <common.h>
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#include <command.h>
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@ -205,7 +210,7 @@ out:
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}
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static __maybe_unused char cmd_saveenv_help[] =
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"Usage: saveenv [DIRECTORY] [ENVFS]\n"
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"Usage: saveenv [<envfs>] [<directory>]\n"
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"Save the files in <directory> to the persistent storage device <envfs>.\n"
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"<envfs> is normally a block in flash, but could be any other file.\n"
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"If ommitted <directory> defaults to /env and <envfs> defaults to /dev/env0.\n"
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@ -219,6 +224,20 @@ U_BOOT_CMD_START(saveenv)
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U_BOOT_CMD_END
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#endif /* __U_BOOT__ */
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/**
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* @page saveenv_command saveenv
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*
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* Usage: saveenv [<envfs>] [<directory>]
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*
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* Save the files in <directory> to the persistent storage device <envfs>.
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* <envfs> is normally a block in flash, but could be any other file.
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*
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* If ommitted <directory> defaults to /env and <envfs> defaults to
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* /dev/env0.
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*
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* @note envfs can only handle files. Directories are skipped silently.
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*/
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int envfs_load(char *filename, char *dir)
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{
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struct envfs_super super;
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@ -349,3 +368,16 @@ U_BOOT_CMD_START(loadenv)
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U_BOOT_CMD_HELP(cmd_loadenv_help)
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U_BOOT_CMD_END
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#endif /* __U_BOOT__ */
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/**
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* @page loadenv_command loadenv
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*
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* Usage: loadenv [<directory>] [<envfs>]
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*
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* Load the persistent storage contained in <envfs> to the directory <directory>.
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*
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* If ommitted <directory> defaults to /env and <envfs> defaults to
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* /dev/env0.
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*
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* @note envfs can only handle files. Directories are skipped silently.
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*/
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@ -21,8 +21,9 @@
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* MA 02111-1307 USA
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*/
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/*
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* Date & Time support for Philips PCF8563 RTC
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/**
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* @file
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* @brief Date & Time support
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*/
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#include <common.h>
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68
common/env.c
68
common/env.c
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@ -20,6 +20,11 @@
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/**
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* @file
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* @brief Environment support
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*/
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#include <common.h>
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#include <command.h>
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#include <driver.h>
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#include <errno.h>
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#include <init.h>
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/**
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* Managment of a environment variable
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*/
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struct variable_d {
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/*! List management */
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struct variable_d *next;
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/*! variable length data */
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char data[0];
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};
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#define VARIABLE_D_SIZE(name, value) (sizeof(struct variable_d) + strlen(name) + strlen(value) + 2)
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/**
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* FIXME
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*/
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struct env_context {
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/*! FIXME */
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struct env_context *parent;
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/*! FIXME */
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struct variable_d *local;
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/*! FIXME */
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struct variable_d *global;
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};
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static struct env_context *context;
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/**
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* Remove a list of environment variables
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* @param[inout] v Variable anchor to remove
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*/
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static void free_variables(struct variable_d *v)
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{
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struct variable_d *next;
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@ -54,6 +74,9 @@ static void free_variables(struct variable_d *v)
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}
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}
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/**
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* FIXME
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*/
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int env_push_context(void)
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{
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struct env_context *c = xzalloc(sizeof(struct env_context));
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@ -74,6 +97,9 @@ int env_push_context(void)
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late_initcall(env_push_context);
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/**
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* FIXME
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*/
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int env_pop_context(void)
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{
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struct env_context *c = context;
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return -EINVAL;
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}
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/**
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* Return variable's value
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* @param[in] var Variable of interest
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* @return Value as text
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*/
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static char *var_val(struct variable_d *var)
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{
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return &var->data[strlen(var->data) + 1];
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}
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/**
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* Return variable's name
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* @param[in] var Variable of interest
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* @return Name as text
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*/
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static char *var_name(struct variable_d *var)
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{
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return var->data;
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" - print value of environment variable 'name'\n")
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U_BOOT_CMD_END
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/**
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* @page printenv_command printenv
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*
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* Usage: printenv [<name>]
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*
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* Print environment variables.
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* If <name> was given, it prints out its content if the environment variable
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* <name> exists.
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* Without the <name> argument all current environment variables are printed.
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*/
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#ifdef CONFIG_SIMPLE_PARSER
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static int do_setenv ( cmd_tbl_t *cmdtp, int argc, char *argv[])
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{
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@ -291,6 +338,19 @@ U_BOOT_CMD_START(setenv)
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" - delete environment variable 'name'\n")
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U_BOOT_CMD_END
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/**
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* @page setenv_command setenv
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*
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* Usage: setenv <name> [<value>]
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*
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* Set environment variable <name> to <value ...>
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* If no <value> was given, the variable <name> will be removed.
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*
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* This command can be replaced by using the simpler form:
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*
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* <name> = <value>
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*/
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#endif
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static int do_export ( cmd_tbl_t *cmdtp, int argc, char *argv[])
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@ -329,3 +389,11 @@ U_BOOT_CMD_START(export)
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U_BOOT_CMD_HELP(cmd_export_help)
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U_BOOT_CMD_END
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/**
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* @page export_command export
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*
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* Usage: export <var>[=value]...
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*
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* Export an environment variable to subsequently executed scripts
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*/
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