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91a76751a0
u-boot-brain/common
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Wolfgang Denk 91a76751a0 Make getenv() work before relocation. 
So far, getenv() would work before relocation is most cases, even
though it was not intended to be used that way.  When switching to a
hash table based implementation, this would break a number of boards.

For convenience, we make getenv() check if it's running before
relocation and, if so, use getenv_f() internally.

Note that this is limited to simple cases, as we use a small static
buffer (32 bytes) in the global data for this purpose.

For this reason, it is also not a good idea to convert all current
uses of getenv_f() into getenv() - some of the existing use cases need
to be able to deal with longer variable values, so getenv_f() is still
needed and recommended for use before relocation.

Signed-off-by: Wolfgang Denk <wd@denx.de>
2010-09-19 19:29:48 +02:00
..
bedbug.c common: Move conditional compilation to Makefile 2008-08-13 01:40:38 +02:00
cmd_ambapp.c various cmd_* files: fixed layout a little bit 2010-08-09 01:07:37 +02:00
cmd_bdinfo.c x86: Add do_bdinfo() 2010-09-13 07:20:02 +10:00
cmd_bedbug.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_bmp.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_boot.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_bootldr.c various cmd_* files: fixed layout a little bit 2010-08-09 01:07:37 +02:00
cmd_bootm.c LZMA and LZO causes compile error 2010-08-07 23:49:59 +02:00
cmd_cache.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_console.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_cplbinfo.c various cmd_* files: fixed layout a little bit 2010-08-09 01:07:37 +02:00
cmd_cramfs.c various cmd_* files: remove the command name from the help message 2010-08-09 01:06:34 +02:00
cmd_dataflash_mmc_mux.c various cmd_* files: remove the command name from the help message 2010-08-09 01:06:34 +02:00
cmd_date.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_dcr.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_df.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_diag.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_display.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_dtt.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_echo.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_eeprom.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_elf.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_exit.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_ext2.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_fat.c fs/fat: Big code cleanup. 2010-07-24 20:54:46 +02:00
cmd_fdc.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_fdos.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_fdt.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_flash.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_fpga.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_help.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_i2c.c CMD_I2C: make alen=0 work 2010-08-26 08:33:24 +02:00
cmd_ide.c cmd_ide: add support for Kirkwood 2010-08-08 05:17:55 +05:30
cmd_immap.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_irq.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_itest.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_jffs2.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_license.c various cmd_* files: fixed layout a little bit 2010-08-09 01:07:37 +02:00
cmd_load.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_log.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_mac.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_mem.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_mfsl.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_mgdisk.c various cmd_* files: remove the command name from the help message 2010-08-09 01:06:34 +02:00
cmd_mii.c miiphy: constify device name 2010-08-09 11:52:29 -07:00
cmd_misc.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_mmc.c mmc: print out partition table 2010-09-18 23:47:28 +02:00
cmd_mp.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_mtdparts.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_nand.c various cmd_* files: fixed layout a little bit 2010-08-09 01:07:37 +02:00
cmd_net.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_nvedit.c Make getenv() work before relocation. 2010-09-19 19:29:48 +02:00
cmd_onenand.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_otp.c various cmd_* files: fixed layout a little bit 2010-08-09 01:07:37 +02:00
cmd_pci.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_pcmcia.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_portio.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_reginfo.c mpc85xx: Add reginfo command 2010-07-16 10:55:09 -05:00
cmd_reiser.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_sata.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_scsi.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_setexpr.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_sf.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_source.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_spi.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_spibootldr.c various cmd_* files: fixed layout a little bit 2010-08-09 01:07:37 +02:00
cmd_strings.c various cmd_* files: fixed layout a little bit 2010-08-09 01:07:37 +02:00
cmd_terminal.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_test.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_tsi148.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_ubi.c various cmd_* files: fixed layout a little bit 2010-08-09 01:07:37 +02:00
cmd_ubifs.c various cmd_* files: fixed layout a little bit 2010-08-09 01:07:37 +02:00
cmd_universe.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_usb.c Fixed clobbered output of the "help usb" command 2010-08-12 16:40:00 +02:00
cmd_version.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_vfd.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_ximg.c various cmd_* files: fixed layout a little bit 2010-08-09 01:07:37 +02:00
cmd_yaffs2.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
command.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
console.c Make *printf() return "int" instead of "void" 2010-07-04 23:51:49 +02:00
ddr_spd.c Enabled support for Rev 1.3 SPD for DDR2 DIMMs 2010-05-12 04:54:30 -05:00
dlmalloc.c malloc: sbrk() should return MORECORE_FAILURE instead of NULL on failure 2010-04-10 00:30:27 +02:00
dlmalloc.src * Code cleanup: 2003-06-27 21:31:46 +00:00
env_common.c Drop support for GTH board 2010-07-17 20:47:08 +02:00
env_dataflash.c env: kill off default_environment_size 2009-08-09 22:41:42 +02:00
env_eeprom.c Redundant environment: move flag definitions to header file 2010-07-04 23:52:42 +02:00
env_embedded.c Revert "env: only build env_embedded and envcrc when needed" 2009-10-27 20:46:31 +01:00
env_flash.c Redundant environment: move flag definitions to header file 2010-07-04 23:52:42 +02:00
env_mgdisk.c env: kill off default_environment_size 2009-08-09 22:41:42 +02:00
env_mmc.c Save environment data to mmc. 2010-09-19 17:47:29 +02:00
env_nand.c env_nand: return error when no device is found 2010-08-13 13:32:42 -05:00
env_nowhere.c env: kill off default_environment_size 2009-08-09 22:41:42 +02:00
env_nvram.c Remove AmigaOneG3SE board 2010-06-23 23:24:20 +02:00
env_onenand.c onenand: Fix compile errors due to FlexOneNAND 2010-01-06 16:28:00 -06:00
env_sf.c add redundant environment for env_sf.c 2010-06-30 23:47:08 -04:00
exports.c Remove support for CONFIG_HAS_UID and "forceenv" command 2010-09-19 19:29:47 +02:00
fdt_support.c fdt: call fdt_parent_offset fewer times while translating addresses 2010-08-19 21:21:41 -05:00
flash.c flash_protect: check for NULL flash info 2010-08-09 01:03:54 +02:00
hush.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
hwconfig.c hwconfig: Add some unit tests 2010-06-29 22:24:48 +02:00
image.c fdt relocate: have more attention to use a bootmap or not 2010-08-08 22:16:05 +02:00
iomux.c stdio/device: rework function naming convention 2009-07-18 00:27:46 +02:00
kallsyms.c Add support for Linux-like kallsysms 2009-06-12 20:45:48 +02:00
kgdb_stubs.c kgdb: add default generic stubs 2010-01-18 00:23:00 +01:00
kgdb.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
lcd.c Enable PXAFB for PXA27X and PXA3XX 2010-07-14 22:41:39 +02:00
lynxkdi.c Fix implicit declaration of function 'eth_[gs]etenv_enetaddr' 2009-03-28 20:16:16 +01:00
main.c cmd editing: optimize/shrink output blanking 2010-08-09 00:26:04 +02:00
Makefile Save environment data to mmc. 2010-09-19 17:47:29 +02:00
memsize.c Sequential accesses to non-existent memory must be synchronized, 2006-11-06 17:06:36 +01:00
miiphyutil.c miiphy: leverage current_mii cache more 2010-08-09 11:52:30 -07:00
modem.c make MODEM SUPPORT generic instead of duplicate it 2009-06-12 20:45:47 +02:00
s_record.c Initial revision 2002-08-17 09:36:01 +00:00
serial.c Merge branch 'master' of git://git.denx.de/u-boot-samsung 2010-09-08 00:03:22 +02:00
stdio.c arm/microblaze/nios/nios2/sh: Remove relocation fixups 2009-10-03 10:17:57 +02:00
system_map.c Add support for Linux-like kallsysms 2009-06-12 20:45:48 +02:00
update.c rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
usb_kbd.c USB Consolidate descriptor definitions 2009-12-20 12:47:37 +01:00
usb_storage.c usb_storage.c: change progress output in debug() message 2010-07-24 20:53:50 +02:00
usb.c USB: usb_control_msg wait for driver ISR to set status. 2010-02-03 22:06:59 +01:00
xyzModem.c common: fix 'dummy' is used uninitialized in this function warning 2009-07-19 21:37:02 +02:00