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* configure.in: Add libc/config.h
* libc/Makefile.am: Add INCLUDES += -I. to pickup config.h
* libc/.cvsignore: Add config.h and stamp-h
* libc/*.c: Add config.h support.
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* include/Makefile.am, include/rtems/libio_.h, libc/Makefile.am,
libc/assoc.c, libc/assocnamebad.c, libc/base_fs.c, libc/cfsetispeed.c,
libc/cfsetospeed.c, libc/chdir.c, libc/chmod.c, libc/chown.c,
libc/close.c, libc/closedir.c, libc/dup2.c, libc/error.c, libc/eval.c,
libc/fchdir.c, libc/fchmod.c, libc/fcntl.c, libc/fdatasync.c,
libc/fpathconf.c, libc/fstat.c, libc/fsync.c, libc/ftruncate.c,
libc/getdents.c, libc/ioctl.c, libc/libio.c, libc/libio_sockets.c,
libc/link.c, libc/lseek.c, libc/malloc.c, libc/mallocfreespace.c,
libc/mknod.c, libc/mount.c, libc/newlibc.c, libc/no_libc.c,
libc/open.c, libc/read.c, libc/readlink.c, libc/rmdir.c, libc/stat.c,
libc/symlink.c, libc/tcsetattr.c, libc/telldir.c, libc/ttyname.c,
libc/ttyname_r.c, libc/umask.c, libc/unlink.c, libc/unmount.c,
libc/utime.c, libc/write.c:
assoc.h, error.h, libio_.h, libio.h, and libcsupport.h moved
from libc to lib/include/rtems and now must be referenced as
<rtems/XXX.h>.
* include/rtems/Makefile.am, include/rtems/.cvsignore: New file.
* include/rtems/assoc.h, include/rtems/error.h,
include/rtems/libcsupport.h, include/rtems/libio.h,
include/rtems/libio_.h: New/moved files.
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a BSP (c4xsim) supporting the simulator included with gdb. This port
was done by Joel Sherrill and Jennifer Averett of OAR Corporation.
Also included with this port is a space/time optimization to eliminate
FP context switch management on CPUs without hardware or software FP.
An issue with this port was that sizeof(unsigned32) = sizeof(unsigned8)
on this CPU. This required addressing alignment checks and assumptions
as well as fixing code that assumed sizeof(unsigned32) == 4.
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now is an implementation of the prototypes in rtems/rtems/cache.h.
The libcpu/i386/wrapup directory is no longer needed.
The PowerPC needs this done to it.
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<charles.gauthier@iit.nrc.ca>, and Darlene A. Stewart
<Darlene.Stewart@nrc.ca> to add support for a number of very
significant things:
+ BSPs for many variations on the Motorola MBX8xx board series
+ Cache Manager including initial support for m68040
and PowerPC
+ Rework of mpc8xx libcpu code so all mpc8xx CPUs now use
same code base.
+ Rework of eth_comm BSP to utiltize above.
John reports this works on the 821 and 860
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unnecessarily uses any variables defined by the BSP. On this
sweep, use of BSP_Configuration and Cpu_table was eliminated.
A significant part of this modification was the addition of
macros to access fields in the RTEMS configuration structures.
This is necessary to strengthen the division between the BSP independent
parts of RTEMS and the BSPs themselves. This started after
comments and analysis by Ralf Corsepius <corsepiu@faw.uni-ulm.de>.
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Here is another fix, which addresses a few more or less severe bugs in
configuration and unix/posix:
* Configuration fix: c/src/lib/configure.in didn't handle RDBG correctly
* Configuration fix: make depend was non-functional in
c/src/lib/libc/Makefile.in
* Configuration fix: stray comment removed from aclocal/target.m4
* RTEMS fix: termios support for unix/posix now uses the host's headers
only (was completely broken).
- Don't install RTEMS's newlib sys/termios.h for unix (sys/termios.h
apparently is a newlib specific header)
- To be able to compile RTEMS's termios.c with glibc2.1, glibc-2.1
needs __USE_MISC, which is a private define from gcc's features.h, being
defined only when _BSD_SOURCE of _SVID_SOURCE is defined. RTEMS's
termios apparently implements BSD, thus -D_BSD_SOURCE was added to
Linux-posix.cfg.
- Conflicting definitions for __USE_MISC and _BSD_SOURCE inside of
RTEMS codes removed due to definition of _BSD_SOURCE on the toplevel.
This fix has been tested with linux/posix (primary glibc2.1 native),
linux/posix (secondary libc5 native), sh/gensh1, i386/pc386 and a couple
of other bsp's/CPU.
To apply:
cd <srcdir>
patch -p1 < rtems-rc-19990709-9.diff
and
aclocal -I aclocal && automake && autoconf
cd c/src/lib; autoconf
or
./autogen
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overhaul of the RTEMS system call interface. This base file system is
the "In-Memory File System" aka IMFS.
The design and implementation was done by the following people:
+ Joel Sherrill (joel@OARcorp.com)
+ Jennifer Averett (jennifer@OARcorp.com)
+ Steve "Mr Mount" Salitasc (salitasc@OARcorp.com)
+ Kerwin Wade (wade@OARcorp.com)
PROBLEMS
========
+ It is VERY likely that merging this will break the UNIX port. This
can/will be fixed.
+ There is likely some reentrancy/mutual exclusion needed.
+ Eventually, there should be a "mini-IMFS" description table to
eliminate links, symlinks, etc to save memory. All you need to
have "classic RTEMS" functionality is technically directories
and device IO. All the rest could be left out to save memory.
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The reentrant versions of the malloc functions in
c/src/lib/libc/malloc.c
do not match the definitions in newlib. These will be used if you use
newlib routines such as fdopen. I believe this patch to malloc.c is
needed to provide the correct versions.
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RTEMS workspace is to be zeroed out.
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of switching to the modified GNU GPL.
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should simplify the build process.
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miscellaneous corrections in casting.
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newlib C library.
Fixed bug where length did not take into account amount added
for alignment requirements.
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+ c/src/lib/libc/support/generic/malloc.c did not initialize the
sbrk amount
+ _Thread_Handler in c/src/exec/rtems/thread.c left a window
during the begin extension which could result in a context switch
fixed places which did not correctly distinguish between an
CPU_isr and a CPU_isr_entry.
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