1. 04 Jul, 2010 1 commit
    • Wolfgang Denk's avatar
      Make sure that argv[] argument pointers are not modified. · 54841ab5
      Wolfgang Denk authored
      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: default avatarWolfgang Denk <wd@denx.de>
      Acked-by: default avatarMike Frysinger <vapier@gentoo.org>
      54841ab5
  2. 05 May, 2010 1 commit
    • Graeme Russ's avatar
      x86: Fix support for booting bzImage · 95ffaba3
      Graeme Russ authored
      Add support for newer (up to 2.6.33) kernels
      
      Add zboot command which takes the address of a bzImage as its first
      argument and (optionally) the size of the bzImage as the second argument
      (the second argument is needed for older kernels which do not include
      the bzImage size in the header)
      Signed-off-by: default avatarGraeme Russ <graeme.russ@gmail.com>
      95ffaba3
  3. 13 Apr, 2010 1 commit
  4. 07 Feb, 2008 2 commits
  5. 27 Jun, 2003 1 commit
    • wdenk's avatar
      * Code cleanup: · 8bde7f77
      wdenk authored
        - remove trailing white space, trailing empty lines, C++ comments, etc.
        - split cmd_boot.c (separate cmd_bdinfo.c and cmd_load.c)
      
      * Patches by Kenneth Johansson, 25 Jun 2003:
        - major rework of command structure
          (work done mostly by Michal Cendrowski and Joakim Kristiansen)
      8bde7f77
  6. 31 May, 2003 1 commit
    • wdenk's avatar
      * Patch by Marc Singer, 29 May 2003: · 7a8e9bed
      wdenk authored
        Fixed rarp boot method for IA32 and other little-endian CPUs.
      
      * Patch by Marc Singer, 28 May 2003:
        Added port I/O commands.
      
      * Patch by Matthew McClintock, 28 May 2003
        - cpu/mpc824x/start.S: fix relocation code when booting from RAM
        - minor patches for utx8245
      
      * Patch by Daniel Engström, 28 May 2003:
        x86 update
      
      * Patch by Dave Ellis, 9 May 2003 + 27 May 2003:
        add nand flash support to SXNI855T configuration
        fix/extend nand flash support:
        - fix 'nand erase' command so does not erase bad blocks
        - fix 'nand write' command so does not write to bad blocks
        - fix nand_probe() so handles no flash detected properly
        - add doc/README.nand
        - add .jffs2 and .oob options to nand read/write
        - add 'nand bad' command to list bad blocks
        - add 'clean' option to 'nand erase' to write JFFS2 clean markers
        - make NAND read/write faster
      
      * Patch by Rune Torgersen, 23 May 2003:
        Update for MPC8266ADS board
      7a8e9bed
  7. 18 Nov, 2002 1 commit
    • wdenk's avatar
      * Patch by Daniel Engstrm, 13 Nov 2002: · 2262cfee
      wdenk authored
        Add support for i386 architecture and AMD SC520 board
      
      * Patch by Pierre Aubert, 12 Nov 2002:
        Add support for DOS filesystem and booting from DOS floppy disk
      2262cfee