Kim Phillips a000b7950d common: add a grepenv command ... u-boot environments, esp. when boards are shared across multiple users, can get pretty large and time consuming to visually parse. The grepenv command this patch adds can be used in lieu of printenv to facilitate searching. grepenv works like printenv but limits its output only to environment strings (variable name and value pairs) that match the user specified substring. the following examples are on a board with a 5313 byte environment that spans multiple screen pages: Example 1: summarize ethernet configuration: => grepenv eth TSEC etact=FM1@DTSEC2 eth=FM1@DTSEC4 ethact=FM1@DTSEC2 eth1addr=00:E0:0C:00:8b:01 eth2addr=00:E0:0C:00:8b:02 eth3addr=00:E0:0C:00:8b:03 eth4addr=00:E0:0C:00:8b:04 eth5addr=00:E0:0C:00:8b:05 eth6addr=00:E0:0C:00:8b:06 eth7addr=00:E0:0C:00:8b:07 eth8addr=00:E0:0C:00:8b:08 eth9addr=00:E0:0C:00:8b:09 ethaddr=00:E0:0C:00:8b:00 netdev=eth0 uprcw=setenv ethact $eth;setenv filename p4080ds/R_PPSXX_0xe/rcw_0xe_2sgmii_rev2_high.bin;setenv start 0xe8000000;protect off all;run upimage;protect on all upuboot=setenv ethact $eth;setenv filename u-boot.bin;setenv start eff80000;protect off all;run upimage;protect on all upucode=setenv ethact $eth;setenv filename fsl_fman_ucode_P4080_101_6.bin;setenv start 0xef000000;protect off all;run upimage;protect on all usdboot=setenv ethact $eth;tftp 1000000 $dir/$bootfile;tftp 2000000 $dir/initramfs.cpio.gz.uboot;tftp c00000 $dir/p4080ds-usdpaa.dtb;setenv bootargs root=/dev/ram rw console=ttyS0,115200 $othbootargs;bootm 1000000 2000000 c00000; => Example 2: detect unused env vars: => grepenv etact etact=FM1@DTSEC2 => Example 3: reveal hardcoded variables; e.g., for fdtaddr: => grepenv fdtaddr fdtaddr=c00000 nfsboot=setenv bootargs root=/dev/nfs rw nfsroot=$serverip:$rootpath ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off console=$consoledev,$baudrate $othbootargs;tftp $loadaddr $bootfile;tftp $fdtaddr $fdtfile;bootm $loadaddr - $fdtaddr ramboot=setenv bootargs root=/dev/ram rw console=$consoledev,$baudrate $othbootargs;tftp $ramdiskaddr $ramdiskfile;tftp $loadaddr $bootfile;tftp $fdtaddr $fdtfile;bootm $loadaddr $ramdiskaddr $fdtaddr => grep $fdtaddr fdtaddr=c00000 my_boot=bootm 0x40000000 0x41000000 0x00c00000 my_dtb=tftp 0x00c00000 $prefix/p4080ds.dtb nohvboot=tftp 1000000 $dir/$bootfile;tftp 2000000 $dir/$ramdiskfile;tftp c00000 $dir/$fdtfile;setenv bootargs root=/dev/ram rw ramdisk_size=0x10000000 console=ttyS0,115200;bootm 1000000 2000000 c00000; => This patch also enables the grepenv command by default on corenet_ds based boards (and repositions the DHCP command entry to keep the list sorted). Signed-off-by: Kim Phillips <kim.phillips@freescale.com> Cc: Kumar Gala <kumar.gala@freescale.com> Cc: Andy Fleming <afleming@freescale.com>		2011-04-28 01:00:07 +02:00
..
libfdt	Switch from archive libraries to partial linking	2010-11-17 21:02:18 +01:00
lzma	Switch from archive libraries to partial linking	2010-11-17 21:02:18 +01:00
lzo	Switch from archive libraries to partial linking	2010-11-17 21:02:18 +01:00
addr_map.c
asm-offsets.c	Small coding style fix in lib/asm-offsets.c	2011-01-17 22:55:58 +01:00
bzlib.c
bzlib_crctable.c
bzlib_decompress.c
bzlib_huffman.c
bzlib_private.h
bzlib_randtable.c
circbuf.c
crc7.c	lib: add crc7 from Linux	2011-01-18 23:38:08 +01:00
crc16.c
crc32.c
ctype.c	ctype: constify lookup table	2010-11-28 21:58:29 +01:00
display_options.c	display_buffer: fix misaligned buffer	2010-09-13 13:15:07 +02:00
div64.c	Move arch/ppc to arch/powerpc	2010-04-21 23:42:38 +02:00
errno.c	Add basic errno support.	2010-09-19 19:29:47 +02:00
gunzip.c	Fix gunzip to work for any gziped uImage size	2011-04-12 22:58:30 +02:00
hashtable.c	common: add a grepenv command	2011-04-28 01:00:07 +02:00
ldiv.c
lmb.c
Makefile	lib: add crc7 from Linux	2011-01-18 23:38:08 +01:00
md5.c
net_utils.c	string_to_ip: constify "s" arg	2010-11-28 21:56:39 +01:00
qsort.c	env: re-add support for auto-completion	2011-01-09 17:57:37 +01:00
rbtree.c
sha1.c
sha256.c
string.c
strmhz.c	strmhz: Make hz unsigned to support greater than 2146 MHz clock	2011-03-22 23:34:36 +01:00
time.c
vsprintf.c	do_reset: unify duplicate prototypes	2010-11-28 21:47:24 +01:00
zlib.c	zlib: Add further watchdog reset calls	2010-10-12 21:16:01 +02:00