source: rtems/c/src/lib/libbsp/powerpc/shared/ChangeLog @ 2ae52c75

2003-03-18  Till Straumann <strauman@slac.stanford.edu>

        PR 356/bsps
        This patch makes RTEMS/powerpc/shared EABI compliant.
        * irq/irq_init.c, start/Makefile.am, start/start.S, startup/bspstart.c,
        startup/pgtbl_setup.c, vectors/vectors.h, vectors/vectors_init.c:
        zero_bss() should clear not only bss but sbss and sbss2
        also (this is probably a bugfix, as sbss/sbss2 are
        probably used even if -msdata=eabi is not specified).
        * start/rtems_crti.S: New file which must
        be linked immediately after ecrti.o. rtems_crti.o contains
        a code snippet who lets __init() return immediately. Also,
        a new entry point '_init' to the C++ Ctors is generated
        for use by the RTEMS Thread_Handler.

2003-02-20      Till Straumann <strauman@slac.stanford.edu>

        PR 349/bsps
        * console/polled_io.c, console/reboot.c, irq/irq.c, irq/irq_asm.S,
        irq/irq_init.c, openpic/Makefile.am, startup/linkcmds,
        vectors/vectors.S, vectors/vectors_init.c:
          - install the 'openpic.h' and 'pci.h' headers 
          - avoid a name clash by renaming 'vsprintf' & friends
            to 'k_vsprintf' etc.
          - let 'rtemsReboot' print a stack trace (in case an 'assert' failed)
          - irq.c:
             * fix: remove implicit assumption that ISA interrupt vectors start
                    at 0
             * add BSP hook to let a VME interrupt acknowledge the PCI/openpic
               IRQ. (SEE ALSO THE ppc-sharedbsp-vme.diff patch)
          - fix: EABI compliance; isr/exception lowlevel handlers must not
                 clobber R2 or R13
          - fix: openpic_init was called with the polarity/senses tables
                 swapped (fixed wrong order of arguments)
          - cosmetics: use new _read_SPRXX() _write_SPRXX() macros

2003-02-20      Till Straumann <strauman@slac.stanford.edu>

        PR 349/bsps
        * startup/pgtbl_setup.c, startup/pgtbl_activate.c: New files
        * startup/Makefile.am, startup/bspstart.c, startup/linkcmds:
        Let the powerpc/shared (+derived) BSPs use pagetable support
        from libcpu.

2003-02-20      Till Straumann <strauman@slac.stanford.edu>

        PR 349/bsps
        * vme/.cvsignore, vme/Makefile.am, vme/VME.h, vme/VMEConfig.h,
        vme/vmeconfig.c: Add glue to the powerpc/shared BSP to use
        the vmeUniverse VME-PCI bridge driver.

2003-02-20      Till Straumann <strauman@slac.stanford.edu>

        PR 349/bsps
        * console/console.c, console/uart.c, console/uart.h: implement
        IOCTLs for the serial (UART) console to install/retrieve a BREAK-IRQ
        callback.  The callback routine (if installed) is invoked from the
        UART ISR when a BREAK interrupt is detected.  This can be used
        e.g. to enforce a "hotkey" reboot a la vxWorks Ctrl-X (although we
        use the serial line break condition) NOTE: The callback runs in
        ISR context.  

2003-01-20      Joel Sherrill <joel@OARcorp.com>

        * startup/linkcmds*: Add FreeBSD sysctl() sections.

2002-12-08      Greg Menke <gregory.menke@gsfc.nasa.gov>
  
        * bootloader/head.S: Added support for optional debug via PPCbug.
        Also turn off mmu/caches for the bootstrap phase, which seems to
        cause trouble with the 603.  The cpu init functions in the bsp
        get all that stuff going properly.

2002-12-19      Joel Sherrill <joel@OARcorp.com>

        * console/console.c: Removed __assert() which conflicts with newlib.

2002-11-17      Greg Menke <gregory.menke@gsfc.nasa.gov>

        * irq/irq_init.c, motorola/motorola.c: Support for MTX603e.

2002-10-31      Joel Sherrill <joel@OARcorp.com>

        * bootloader/em86.c, console/inch.c, console/polled_io.c, irq/irq.c,
        motorola/motorola.c, pci/detect_raven_bridge.c,
        vectors/vectors_init.c: Removed warnings.

2002-07-25      Ralf Corsepius <corsepiu@faw.uni-ulm.de>

        * bootloader/em86real.S: Fix syntax error in comment near line 1185.

2001-05-14      Till Straumann <strauman@slac.stanford.edu>

        * bootloader/misc.c, console/Makefile.am, console/console.c,
        console/consoleIo.h, console/inch.c, console/polled_io.c,
        console/uart.c, console/uart.h, include/bsp.h, irq/Makefile.am,
        irq/irq.c, irq/irq.h, irq/irq_init.c, openpic/openpic.c,
        openpic/openpic.h, pci/Makefile.am, pci/pci.c, pci/pci.h,
        residual/Makefile.am, start/start.S, startup/bspstart.c,
        vectors/vectors.S, vectors/vectors.h, vectors/vectors_init.c:
        Per PR216, "libbsp/powerpc/shared" BSP has been modified considerably
        with the goal to make it more flexible and reusable by other
        BSPs. The main strategies were:
            - eliminate hardcoded base addresses; devices use offsets
              and a BSP defined base address.
            - separate functionality into different files (e.g. reboot from
              inch.c to reboot.c) which can be overridden by a 'derived' BSP.
            - separate initialization code into separate files (e.g.  PCI
              bridge detection/initialization was separated from the more
              generic PCI access routines), also to make it easier for
              'derived' BSPs to substitute their own initialization code.
        There are also a couple of enhancements and fixes:
            - IRQ handling code now has a hook for attaching a VME bridge.
            - OpenPIC is now explicitely initialized (polarities, senses).
              Eliminated the implicit assumption on the presence of an ISA PIC.
            - UART and console driver now supports more than 1 port. The current
              maximum of 2 can easily be extended by enlarging a table (it
              would even be easier if the ISR API was not broken by design).
            - fixed polled_io.c so it correctly supports console on COM2
            - fixed TLB invalidation code (start.S).
            - exception handler prints a stack backtrace.
            - added BSP_pciFindDevice() to scan the pci bus for a particular
              vendor/device/instance.

2001-05-09      Joel Sherrill <joel@OARcorp.com>

        * startup/linkcmds: In support of gcc 3.1, added one of more
        of the sections .jcr, .rodata*, .data.*, .gnu.linkonce.s2.*,
        .gnu.linkonce.sb2.*, and .gnu.linkonce.s.*.  Spacing corrections
        and direction of segments to memory regions may also have been
        addressed.  This was a sweep across all BSPs.
 
2002-04-18      Ralf Corsepius <corsepiu@faw.uni-ulm.de>

        * bootloader/exception.S: Reflect changes to <rtems/score/cpu.h>.
        * bootloader/head.S: Ditto.
        * bootloader/misc.c: Ditto.
        * console/polled_io.c: Ditto.
        * irq/irq.c: Ditto.
        * irq/irq_asm.S: Ditto.
        * irq/irq_init.c: Include <rtems/bspIo.h>.
        * start/start.S: Reflect changes to <rtems/score/cpu.h>.
        * vectors/vectors.S: Ditto.

2002-04-16      Ralf Corsepius <corsepiu@faw.uni-ulm.de>

        * startup/bspstart.c: Include <libcpu/cpuIdent.h>.

2001-04-08      Joel Sherrill <joel@OARcorp.com>

        * startup/linkcmds: Per PR170, PR171, and PR172 add .eh_frame 
 
2002-04-02      Ralf Corsepius <corsepiu@faw.uni-ulm.de>

        * residual/residual.c: Include <string.h>.
        * vectors/vectors_init.c: Include <rtems/bspIo.h> for printk.
        * bootloader/mm.c: Ditto.
        * bootloader/pci.c: Ditto.
        * console/console.c: Ditto.
        * openpic/openpic.c: Ditto.

2002-03-27      Ralf Corsepius <corsepiu@faw.uni-ulm.de>

        * bootloader/Makefile.am: Remove AUTOMAKE_OPTIONS.
        * Makefile.am: Remove AUTOMAKE_OPTIONS.
        * clock/Makefile.am: Remove AUTOMAKE_OPTIONS.
        * console/Makefile.am: Remove AUTOMAKE_OPTIONS.
        * include/Makefile.am: Remove AUTOMAKE_OPTIONS.
        * irq/Makefile.am: Remove AUTOMAKE_OPTIONS.
        * motorola/Makefile.am: Remove AUTOMAKE_OPTIONS.
        * openpic/Makefile.am: Remove AUTOMAKE_OPTIONS.
        * pci/Makefile.am: Remove AUTOMAKE_OPTIONS.
        * residual/Makefile.am: Remove AUTOMAKE_OPTIONS.
        * start/Makefile.am: Remove AUTOMAKE_OPTIONS.
        * startup/Makefile.am: Remove AUTOMAKE_OPTIONS.
        * vectors/Makefile.am: Remove AUTOMAKE_OPTIONS.

2001-11-28      Ralf Corsepius <corsepiu@faw.uni-ulm.de>

        * include/Makefile.am: Use _HEADER instead of H_FILES.
        * irq/Makefile.am: Ditto.
        * openpic/Makefile.am: Ditto.
        * include/bsp.h: Include <bspopts.h>.

2001-10-25      Joel Sherrill <joel@OARcorp.com>

        * startup/linkcmds: Added _init and _fini.

2001-10-12      Joel Sherrill <joel@OARcorp.com>

        * clock/p_clock.c, startup/bspstart.c: Fixed typo.

2001-09-27      Ralf Corsepius <corsepiu@faw.uni-ulm.de>

        * console/Makefile.am: Use 'PREINSTALL_FILES ='.
        * residual/Makefile.am: Use 'PREINSTALL_FILES ='.
        * irq/Makefile.am: Use 'PREINSTALL_FILES ='.
        * motorola/Makefile.am: Use 'PREINSTALL_FILES ='.
        * vectors/Makefile.am: Use 'PREINSTALL_FILES ='.
        * pci/Makefile.am: Use 'PREINSTALL_FILES ='.
        * openpic/Makefile.am: Use 'PREINSTALL_FILES ='.

2001-05-14      Tom Armistead <tom_armistead@phx.mcd.mot.com>

        * start/start.S: Increased BAT0 mapping of RAM from 64 meg to
        256 meg to allow operation on boards with larger RAM sizes.
        * vectors/vectors_init.c: Modified to call 'generic' powerpc
        vector function (mpc60x_vector_is_valid) instead of MPC750 
        specific function to allow operation on boards with CPUs other
        than the MPC750.

2001-03-30      Eric Valette <valette@crf.canon.fr>

        * Makefile.am, console/consoleIo.h, include/bsp.h:
        These modifications are part of the conversion of the
        mpc8xx CPU to the "new exception processing model."

2000-11-01      Joel Sherrill <joel@OARcorp.com>

        * startup/bspstart.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>.   Header file order
        was cleaned up while doing this.

2000-09-29      Charles-Antoine Gauthier <charles.gauthier@nrc.ca>

        * startup/linkcmds: Added lines so DWARF debug information
        would be available.  Otherwise gdb complains that the offsets
        for the debug info are incorrect and doesn't load the files.

2000-09-05      Joel Sherrill <joel@OARcorp.com>

        * start/start.S: Include proper files to compile.

2000-08-10      Joel Sherrill <joel@OARcorp.com>

        * ChangeLog: New file.