| Commit message (Collapse) | Author | Age | Files | Lines |
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This patch is a part of the BSP source reorganization.
Update #3285.
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Adding modified FreeBSD headers to synchronize RTEMS termios with
FreeBSD. Modify termios to support dedicated input and output baud for
termios structure. Updated BSPs to use dedicated input and output baud
in termios structure. Updated tools to use dedicated input and output
baud in termios structure. Updated termios testsuites to use dedicated
input and output baud in termios structure.
Close #2897.
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Termios notifies now the driver about an inactive transmit with the
length argument set to zero.
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Script does what is expected and tries to do it as
smartly as possible.
+ remove occurrences of two blank comment lines
next to each other after Id string line removed.
+ remove entire comment blocks which only exited to
contain CVS Ids
+ If the processing left a blank line at the top of
a file, it was removed.
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* e500/mmu/mmu.c, mpc505/ictrl/ictrl.c, mpc505/timer/timer.c,
mpc5xx/ictrl/ictrl.c, mpc5xx/timer/timer.c,
mpc6xx/altivec/vec_sup.c, mpc6xx/clock/c_clock.c,
mpc6xx/mmu/bat.c, mpc6xx/mmu/bat.h, mpc6xx/mmu/pte121.c,
mpc8260/timer/timer.c, mpc8xx/timer/timer.c, new-exceptions/cpu.c,
new-exceptions/bspsupport/ppc_exc_initialize.c,
ppc403/clock/clock.c, ppc403/console/console.c,
ppc403/console/console.c.polled, ppc403/console/console405.c,
ppc403/irq/ictrl.c, ppc403/tty_drv/tty_drv.c,
rtems/powerpc/cache.h, shared/include/powerpc-utility.h, shared/src/cache.c:
Use "__asm__" instead of "asm" for improved c99-compliance.
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* ppc403/console/console.c: Correct include path.
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* mpc5xx/clock/clock.c, mpc5xx/timer/timer.c, mpc8260/clock/clock.c,
mpc8260/cpm/brg.c, mpc8260/timer/timer.c, mpc8xx/clock/clock.c,
mpc8xx/console-generic/console-generic.c, mpc8xx/timer/timer.c,
new-exceptions/raw_exception.c, old-exceptions/cpu.c,
ppc403/clock/clock.c, ppc403/console/console.c,
ppc403/console/console.c.polled, ppc403/console/console405.c,
ppc403/ictrl/ictrl.c, ppc403/irq/ictrl.c, ppc403/timer/timer.c,
ppc403/tty_drv/tty_drv.c: Eliminate PowerPC specific elements from
the CPU Table. They have been replaced with variables named bsp_XXX
as needed.
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* mpc505/timer/timer.c, mpc5xx/timer/timer.c,
mpc6xx/clock/c_clock.c, mpc6xx/timer/timer.c, mpc8260/clock/clock.c,
mpc8260/console-generic/console-generic.c, mpc8260/cpm/cp.c,
mpc8260/cpm/dpram.c, mpc8260/include/cpm.h, mpc8260/include/mmu.h,
mpc8260/include/mpc8260.h, mpc8260/mmu/mmu.c, mpc8260/timer/timer.c,
mpc8xx/clock/clock.c, mpc8xx/console-generic/console-generic.c,
mpc8xx/cpm/cp.c, mpc8xx/cpm/dpram.c, mpc8xx/include/cpm.h,
mpc8xx/include/mmu.h, mpc8xx/include/mpc8xx.h, mpc8xx/mmu/mmu.c,
mpc8xx/timer/timer.c, ppc403/clock/clock.c,
ppc403/console/console.c, ppc403/console/console405.c,
ppc403/ictrl/ictrl.c, ppc403/ictrl/ictrl.h, ppc403/timer/timer.c,
ppc403/tty_drv/tty_drv.c, rtems/powerpc/cache.h, shared/src/cache.c:
Convert to using c99 fixed size types.
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* mpc505/timer/timer.c, ppc403/console/console.c,
ppc403/console/console405.c: Removed incorrect statement about
copyright assignment.
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This modification is part of the submitted modifications necessary to
support the IBM PPC405 family. This submission was reviewed by
Thomas Doerfler <Thomas.Doerfler@imd-systems.de> who ensured it did
not negatively impact the ppc403 BSPs. The submission and tracking
process was captured as PR50.
* ppc403/console/console405.c ppc403/tty_drv/.cvsignore,
ppc403/tty_drv/Makefile.am, ppc403/tty_drv/tty_drv.c,
ppc403/tty_drv/tty_drv.h: New files.
* Makefile.am, README, configure.ac, old_exception_processing/cpu.c,
old_exception_processing/cpu.h, ppc403/Makefile.am,
ppc403/clock/clock.c, ppc403/console/Makefile.am,
ppc403/console/console.c, ppc403/ictrl/ictrl.c, ppc403/ictrl/ictrl.h,
ppc403/timer/timer.c: Modified.
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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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particular, using bsp.h, or getting information from the BSP which
should properly be obtained from RTEMS is forbidden. 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>.
The changes primarily eliminated the need to include bsp.h and
peeking at BSP_Configuration. The use of Cpu_table in each
BSP needs to be eliminated.
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Finally I am through: I have found the last bugs that made RTEMS-
4.0-beta3 start on my ppc403 board from ROM. So now the '403
support is up to date again.
Roughly I have added the following features:
- support for the on-chip interrupt controller (in a separate module)
- interrupt support for the console device
- termios support for the console device
==============================================
Since the BSP behaivour changed in some details (console no
longer is polling, other memory layout etc) I have created a new
BSP "helas403" rather than changing the "papyrus" BSP. The old
"polled" console driver still sticks around in "console.c.polled"
To get the BSP up and running, I had to create the new BSP files
(derived from papyrus). Besides that, the following source areas
have been changed:
- c/src/lib/libcpu/powerpc/ppc403: changes to console driver, small
changes to clock driver, new "ictrl" interrupt controller driver
- c/src/exec/score/cpu/powerpc/ppc.h: some small changes
(added ppc403 characteristics like a exception vector prefix
register, some special register definitions). I am quite sure, they
are compatible with the existing sources, although I did not check
- c/src/exec/score/cpu/powerpc/cpu.c: There is one severe
limitation in the exception entries: Due to the current code
arrangement, the "branch absolute" to the ISR handler may only
jump to the first 128MByte or the last 128MByte of the 4GByte
address range. When the ppc403 is running out of ROM, the ROM
functions are located in the last 128MByte (0xFFF00000 and up).
These addresses were not handled correctly (sign reduced) in
"install_raw_handler". The change I added should work on existing
ppc BSPs aswell...
- c/src/lib/libc/termios.c: During my tests, I added one change you
sent me, so this patch will already be incorporated in the current
source tree.
There are some smaller changes, see the attached diff file.
=========================================
Concerning the GNU toolchain:
I tried several tool chains. Finally I almost succeeded with
egcs-1.0.3a with patch egcs-1.0.3-rtems-diff-19980527
I had to add the following lines to the egcs files. Without them
configure complaint that the cross compiler could not generate
executable output.
- additional lines needed in egcs distribution in file
gcc/config/rs6000/rtems.h:
+++ lines start
#undef STARTFILE_DEFAULT_SPEC
#define STARTFILE_DEFAULT_SPEC "ecrti.o%s"
#undef ENDFILE_DEFAULT_SPEC
#define ENDFILE_DEFAULT_SPEC "ecrtn.o%s"
++++ lines end
As far as I have seen in the Changelog of egcs, you have recently
sent two patches affecting the powerpc support, but they were
added in the wrong order.... :-(
egcs-19980628 with patch egcs-19980628-rtems-diff-19980707 does
not work!
I used binutils 2.9.1 with patch binutils-2.9.1-rtems-diff-19980515
(binutils 2.8.1 does not work, internal error in gas)
and newlib-1.8.0 with patch newlib-1.8.0-rtems-diff-19980707
Finally I had to poke a line in the "bit" script, since, on my LINUX
machine, the GNU make is only available as "make", not as
"gmake"...
For all the tools and newlib I selected configuration "powerpc-
rtems".
--------------------------------------------
IMD Ingenieurbuero fuer Microcomputertechnik
Thomas Doerfler Herbststrasse 8
D-82178 Puchheim Germany
email: td@imd.m.isar.de
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of switching to the modified GNU GPL.
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Configuration Table Template file added and all tests
modified to use this. All gvar.h and conftbl.h files
removed from test directories.
Configuration parameter maximum_devices added.
Core semaphore and mutex handlers added and RTEMS API Semaphore
Manager updated to reflect this.
Initialization sequence changed to invoke API specific initialization
routines. Initialization tasks table now owned by RTEMS Tasks Manager.
Added user extension for post-switch.
Utilized user extensions to implement API specific functionality
like signal dispatching.
Added extensions to the System Initialization Thread so that an
API can register a function to be invoked while the system
is being initialized. These are largely equivalent to the
pre-driver and post-driver hooks.
Added the Modules file oar-go32_p5, modified oar-go32, and modified
the file make/custom/go32.cfg to look at an environment varable which
determines what CPU model is being used.
All BSPs updated to reflect named devices and clock driver's IOCTL
used by the Shared Memory Driver. Also merged clock isr into
main file and removed ckisr.c where possible.
Updated spsize to reflect new and moved variables.
Makefiles for the executive source and include files updated to show
break down of files into Core, RTEMS API, and Neither.
Header and inline files installed into subdirectory based on whether
logically in the Core or a part of the RTEMS API.
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both fixed length "raw" names and strings from the API's point of view.
Both inline and macro implementations were tested.
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