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Diffstat (limited to 'c/src/lib/libbsp/m68k/mvme147/README')
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1 files changed, 0 insertions, 82 deletions
diff --git a/c/src/lib/libbsp/m68k/mvme147/README b/c/src/lib/libbsp/m68k/mvme147/README deleted file mode 100644 index 91f78e2be3..0000000000 --- a/c/src/lib/libbsp/m68k/mvme147/README +++ /dev/null @@ -1,82 +0,0 @@ -Notes about the MVME147 bsp - -MVME147 port for TNI - Telecom Bretagne -by Dominique LE CAMPION (Dominique.LECAMPION@enst-bretagne.fr) -May 1996 - - -This bsp is essentially based on the mvme136 bsp. - -Summary of the modifications that were made: - - * include - - - bsp.h - Peripheral Channel Controller memory mapping - Z8530 memory mapping - - * startup - - - bspstart.c - main () setup for VME roundrobin mode - setup for the PCC interrupt vector base - - bspclean.c - bsp_cleanup () disable timer 1 & 2 interruptions - - linkcmds set the RAM start (0x5000) and size (4Meg - 0x5000) - - setvec.c unchanged - - sbrk.c unchanged - - * console - - - console.c taken from the dmv152 bsp (Zilog Z8530) - with no modification - - * clock - - - ckinit.c entirely rewritten for the PCC tick timer 2 - - * timer - - - timerisr.s and timer.c - entirely rewritten for the PCC tick timer 1 - now gives results un 6.25 us units (mininum timer delay, - suprising big grain) - - * times - - - updated results for the mvme147 (beware of the 6.25 us grain) - - * Makefiles - - - compilation of shmsupp simply removed - - -To be done: - - * add VMEchip memory mapping to include/bsp.h - - * update the overheads in coverhead.h - - * add support for serila ports 2,3 and 4. - -Other notes: - - * There is no MP support (no more shmsupp) because I have no - experience of the VME bus. The mvme136 shared memory support - does not seem applicable on the VMEchip of the mvme147, so - I don't know where to start. Suggestions are welcome. - - * All the timing tests and sp tests have been run except tmoverhd. - The test hangs during the pause (where the task should be suspended - until a return). Maybe the rtems_initialize_executive is no more - reentrant with this bsp. - -Future work: - - * Add gdb serial remote support. - - * Shared memory support (I don't really need it, but I can do - it if it's simple). - - * Message passing on VME bus, with Ada 95 annex E (distributed - systems) in mind. |