update TODO file
Many things are already done, some new things came up. Signed-off-by: Carsten Schlote <schlote@vahanus.net> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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TODO
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TODO
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@ -4,35 +4,37 @@ TODO
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[ ] ask jbe about:
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./commands/Makefile:40:obj-$(CONFIG_SIMPLE_PARSER) += setenv.o
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[ ] bark on partition not ending on flash sector boundaries
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[ ] rsc: switching on CONFIG_AUTO_COMPLETE fails, because env_complete()
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isn't there
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[ ] distclean doesn't work without a config
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[ ] Every driver should have a remove function
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[ ] Every driver should have a remove function.
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(It must have. Currently there is no provision to given to remove my
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interrupt handlers and to reset all hardware in use, before the target
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OS is called. csc 21.03.2008 19:50:34)
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[ ] Global shutdown_drivers() function is needed to carefully clean up all
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interrupt handlers and reset hardware to initial post reset or otherwise
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save state.
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(Ideally the hardware is set back to post-reset state after this call.
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Run-up and run-down should be reentrant, so if bootm is failing the system
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can re-initialize devices. csc 21.03.2008 19:48:49)
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[ ] Clean up make system. Currently I think there are many things from the
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Linux make system which are not needed for U-Boot.
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(Please retain definitions and related for module loading and relocation, so
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that special U-Boot modules containing an ELF object can be linked to the
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running U-Boot. csc 21.03.2008 19:52:49)
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[ ] get/set for nonextisting parameters crashes
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[ ] There is a xmalloc function which panics when out of memory. Use this
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function where we don't want to check for oom. Same applies to
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strdup/xstrdup.
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[ ] cleanup common.h. There are far too many things in it where we better have
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a seperate header file.
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(Use doxygen to track header file hierachy)
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[ ] Rewrite network stack. The one-loop-for-all-protocols stack is just too
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ugly and big and uses thousands of global variables. Identify common
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functions and make a loop per network protocol
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[-] Cleanup cpu/*. Many functions there are not cpu specific. For example the
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cache functions for arm are common for most arm processors. (done for ARM)
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(I will check this for m68k arch - csc 21.03.2008 19:56:24)
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[ ] Board support should go to arch/*/boards/*
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[ ] Move SoC specific header files from include/ to include/asm/arch/
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[ ] The header files in include/asm-linux/ are i386 specific. Make it work on
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your i-Book (bigendian...)
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[ ] Globbing support? Might be too expensive, but on the other hand, if you
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have the space, why not?
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[ ] Implement protect/unprotect support for cfi devices.
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[ ] Implement a command 'countdown' or similar. It should delay the boot
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process and interrupt it if a certain string is received. The string could
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be any key, ctrl-c or a certain string. Maybe like this:
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countdown -m msg -t timeout -x [ctrl-c|anykey|string]
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If done, remove the corresponding stuff from common/main.c
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[ ] Several .c/.h files do not have GNU/copyright headers.
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[ ] The cramfs driver currently uses direct memory accesses instead of read().
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This disqualifies it for real block devices.
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@ -40,6 +42,8 @@ TODO
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[ ] driver model
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[ ] device parameter
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[ ] big picture
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[ ] Add example driver and filesystem for reference purposes. Or denote a driver
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and a filesystem to be the reference.
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[ ] realloc seems to crash without further notice when out of memory.
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[ ] implement a mmap() function. Of course we cannot really mmap without mmu,
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but for memory mapped devices like nor flash we could provide a pointer to
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@ -51,6 +55,32 @@ TODO
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[ ] command line editing is somewhat broken
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[ ] how to select a ethernet channel for tftp when more than one interface
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of this type exists in the system?
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[ ] Cleanup headers. I propose to rearrange the files in a way to reflect the
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organisation of the source tree. This requires changing the include paths
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in nearly all files, therefore a merge window for this change must be
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opened and merge in of all other topic branches must happen before.
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Week 23 or 42 issue? csc, 21.03.2008 19:36:06
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[ ] Merge similiar information into a single common and a single arch dependant
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file. E.g. all those general typedefs should be located in include types.h
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and arch/asm/types.h. csc 21.03.2008 19:38:57
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[ ] Get rid of the current linux include dir. It should only contain information
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required to boot linux. csc 21.03.2008 19:39:02
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[ ] Unify source headers to show up the GPL lic stuff followed by a doxygen file
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description.
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[ ] Enhance and complete doxygen comments.
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[ ] Eliminate all #ifdef CONFIG_??? in C code. Disabled APIs should be defined
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as empty macros, so that code is removed by the compiler, not the
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preprocessor.
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The #ifdefs should be located in their related header files only.
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[ ] Create an example board, which implements all functions stubs required
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to compile a full U-Boot build. Functions are just stubs containing a
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panic() call - Real code must be filled in accordingly.
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Can be copied as starting point for a new target board.
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[ ] Add generic PCI bios code and a PCI bus driver model. The driver should
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be configured by an appropriate platformconfig. Detected PCI buses and
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devices should be represented as a hierachical tree in /dev
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[ ] Work out, how to mount driver on PCI devices. The mechanism should be
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transparent to the driver code.
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DONE
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----
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@ -70,4 +100,16 @@ DONE
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[x] Implement a info command for malloced space. Use it to find memory holes.
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[x] patch hush.c so that you can get/set device parameters with dev.param= and remove
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get/set applets
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[x] rsc: switching on CONFIG_AUTO_COMPLETE fails, because env_complete()
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isn't there
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[x] The header files in include/asm-linux/ are i386 specific. Make it work on
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your i-Book (bigendian...)
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[x] Globbing support? Might be too expensive, but on the other hand, if you
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have the space, why not?
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[x] Implement protect/unprotect support for cfi devices.
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[x] Implement a command 'countdown' or similar. It should delay the boot
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process and interrupt it if a certain string is received. The string could
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be any key, ctrl-c or a certain string. Maybe like this:
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countdown -m msg -t timeout -x [ctrl-c|anykey|string]
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If done, remove the corresponding stuff from common/main.c
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