u-boot

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Commit Graph

Author	SHA1	Message	Date
Wolfgang Denk	3765b3e7bd	Coding Style cleanup: remove trailing white space Signed-off-by: Wolfgang Denk <wd@denx.de>	12 years ago
Wolfgang Denk	1a4596601f	Add GPL-2.0+ SPDX-License-Identifier to source files Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>	12 years ago
Wolfgang Denk	e4119560cf	common/cmd_universe.c: Fix GCC 4.6 build warning Fix: cmd_universe.c: In function 'universe_init': cmd_universe.c:49:17: warning: variable 'lastError' set but not used [-Wunused-but-set-variable] Signed-off-by: Wolfgang Denk <wd@denx.de>	14 years ago
Wolfgang Denk	54841ab50c	Make sure that argv[] argument pointers are not modified. The hush shell dynamically allocates (and re-allocates) memory for the argument strings in the "char argv[]" argument vector passed to commands. Any code that modifies these pointers will cause serious corruption of the malloc data structures and crash U-Boot, so make sure the compiler can check that no such modifications are being done by changing the code into "char const argv[]". This modification is the result of debugging a strange crash caused after adding a new command, which used the following argument processing code which has been working perfectly fine in all Unix systems since version 6 - but not so in U-Boot: int main (int argc, char argv) { while (--argc > 0 && ++argv == '-') { /* ====> / while (++argv) { switch (argv) { case 'd': debug++; break; ... default: usage (); } } } ... } The line marked "====>" will corrupt the malloc data structures and usually cause U-Boot to crash when the next command gets executed by the shell. With the modification, the compiler will prevent this with an error: increment of read-only location 'argv' N.B.: The code above can be trivially rewritten like this: while (--argc > 0 && *++argv == '-') { char arg = argv; while (++arg) { switch (*arg) { ... Signed-off-by: Wolfgang Denk <wd@denx.de> Acked-by: Mike Frysinger <vapier@gentoo.org>	15 years ago
Wolfgang Denk	a89c33db96	General help message cleanup Many of the help messages were not really helpful; for example, many commands that take no arguments would not print a correct synopsis line, but "No additional help available." which is not exactly wrong, but not helpful either. Commit ``Make "usage" messages more helpful.'' changed this partially. But it also became clear that lots of "Usage" and "Help" messages (fields "usage" and "help" in struct cmd_tbl_s respective) were actually redundant. This patch cleans this up - for example: Before: => help dtt dtt - Digital Thermometer and Thermostat Usage: dtt - Read temperature from digital thermometer and thermostat. After: => help dtt dtt - Read temperature from Digital Thermometer and Thermostat Usage: dtt Signed-off-by: Wolfgang Denk <wd@denx.de>	16 years ago
Peter Tyser	2fb2604d5c	Command usage cleanup Remove command name from all command "usage" fields and update common/command.c to display "name - usage" instead of just "usage". Also remove newlines from command usage fields. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>	16 years ago
Grant Likely	4a43719a77	[BUILD] conditionally compile common/cmd_.c in common/Makefile Modify common/Makefile to conditionally compile the cmd_.c files based on the board config. Signed-off-by: Grant Likely <grant.likely@secretlab.ca>	18 years ago
Jon Loeliger	fd9bcaa35b	common/cmd_[p-x]*: Remove obsolete references to CONFIG_COMMANDS. Signed-off-by: Jon Loeliger <jdl@freescale.com>	18 years ago
Jon Loeliger	65c450b47a	common/cmd_[i-z]* : Augment CONFIG_COMMANDS tests with defined(CONFIG_CMD_*). This is a compatibility step that allows both the older form and the new form to co-exist for a while until the older can be removed entirely. All transformations are of the form: Before: #if (CONFIG_COMMANDS & CFG_CMD_AUTOSCRIPT) After: #if (CONFIG_COMMANDS & CFG_CMD_AUTOSCRIPT) \|\| defined(CONFIG_CMD_AUTOSCRIPT) Signed-off-by: Jon Loeliger <jdl@freescale.com>	18 years ago
stroese	dcb2f95a60	* Patch by Stefan Roese, 03 May 2005: Update for P3G4 Fix problems in cmd_universe.c	20 years ago
wdenk	e2ffd59b4d	* Code cleanup, mostly for GCC-3.3.x * Cleanup confusing use of CONFIG_ETHADDR - ust his only to pre-define a MAC address; use CONFIG_HAS_ETH to enable support for additional ethernet addresses. * Cleanup drivers/i82365.c - avoid duplication of code * Fix bogus "cannot span across banks" flash error message * Add support for CompactFlash for the CPC45 Board.	21 years ago
stroese	256e4be814	Tundra universe support added	21 years ago

12 Commits (6f4dbc21e47c5c1dd191cbd2f0fb7252340e0dcb)