| Commit message (Collapse) | Author | Age | Files | Lines |
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A speciality of the RTEMS build system was the make preinstall step. It
copied header files from arbitrary locations into the build tree. The
header files were included via the -Bsome/build/tree/path GCC command
line option.
This has at least seven problems:
* The make preinstall step itself needs time and disk space.
* Errors in header files show up in the build tree copy. This makes it
hard for editors to open the right file to fix the error.
* There is no clear relationship between source and build tree header
files. This makes an audit of the build process difficult.
* The visibility of all header files in the build tree makes it
difficult to enforce API barriers. For example it is discouraged to
use BSP-specifics in the cpukit.
* An introduction of a new build system is difficult.
* Include paths specified by the -B option are system headers. This
may suppress warnings.
* The parallel build had sporadic failures on some hosts.
This patch removes the make preinstall step. All installed header
files are moved to dedicated include directories in the source tree.
Let @RTEMS_CPU@ be the target architecture, e.g. arm, powerpc, sparc,
etc. Let @RTEMS_BSP_FAMILIY@ be a BSP family base directory, e.g.
erc32, imx, qoriq, etc.
The new cpukit include directories are:
* cpukit/include
* cpukit/score/cpu/@RTEMS_CPU@/include
* cpukit/libnetworking
The new BSP include directories are:
* bsps/include
* bsps/@RTEMS_CPU@/include
* bsps/@RTEMS_CPU@/@RTEMS_BSP_FAMILIY@/include
There are build tree include directories for generated files.
The include directory order favours the most general header file, e.g.
it is not possible to override general header files via the include path
order.
The "bootstrap -p" option was removed. The new "bootstrap -H" option
should be used to regenerate the "headers.am" files.
Update #3254.
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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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Remove _VME_UNIVERSE_DECLARE_SHOW_ROUTINES.
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* vmeUniverse/README.porting, vmeUniverse/README.universe:
updated, added more information for BSP implementors.
* vmeUniverse/VMEDMA.h (added): VME DMA API definition.
* vmeUniverse/bspVmeDmaList.h (added), vmeUniverse/bspVmeDmaListP.h (added),
* vmeUniverse/bspVmeDmaList.c (added):
Driver-independent code for linked-list DMA (public + private headers,
implementation).
* vmeUniverse/vmeUniverseDMA.h (added), vmeUniverse/vmeTsi148DMA.h (added):
interface to new DMA features of drivers.
* vmeUniverse/vme_amd_defs.h: Added definition for data-width
hint bits (VME_MODE_DBWxx).
* vmeUniverse/vmeTsi148.c: added DMA support. Added support for
data-width hint/modifier bits.
* vmeUniverse/vmeUniverse.c, vmeUniverse/vmeUniverse.h:
Added support for data-width hint/modifier bits.
Added support for xxx_BLT, xxx_MBLT address modifiers.
Restrict DBW to 32 in non-MBLT modes (except single-beat;
a comment is in README.universe). Updated DMA support to
implement new VMEDMA.h API. Added support for non-incrementing
VME addresses. Restrict data width to 32 for single-beat AMs
when the universe would use MBLT for DMA.
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* vmeUniverse/vmeTsi148.c, vmeUniverse/vmeTsi148.h,
* vmeUniverse/vmeUniverse.c, vmeUniverse/vmeUniverse.h,
* vmeUniverse/vme_am_defs.h:
Added SLAC/Stanford Authorship Note / Copyright + Liability Disclaimer.
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flags for 2eSST and DBW16.
* vmeUniverse/vmeUniverse.h: Removed AM definitions and include vme_am_defs.h
instead. Declare new routine vmeUniverseMapCRG(). Export 'irq manager' API
only if __INSIDE_RTEMS_BSP__ defined. Renamed 'shared' argument to
vmeUniverseInstallIrqMgrAlt() to 'flags' since now more options are available.
Added new flag to install 'posted-write' workaround.
* vmeUniverse/vmeUniverse.c: Allow BSP to override BSP_PCI2LOCAL_ADDR()
macro. Data width of outbound port can now be restricted to 16-bit
(if new DBW16 flag set in address modifier). Added vmeUniverseMapCRG()
for mapping local registers onto VME. Interrupt manager now implements
a workaround (enabled at installation time) which flushes the write-fifo
after user ISR returns. This requires the universe's registers to be
accessible from VME (either CSR space or CRG mapped to A16/A24/A32),
though.
* vmeUniverse/vmeTsi148.h: vmeTsi148ClearVMEBusErrors() now returns
the fault address as a 32-bit address (not ulonglong anymore). The
driver only supports 32-bit addresses. Declare new routine vmeTsi148MapCRG().
Export 'irq manager' API only if __INSIDE_RTEMS_BSP__ defined.
Renamed 'shared' argument to vmeTsi148InstallIrqMgrAlt() to 'flags'
to allow more options to be supported. Added comments explaining the
'posted-write' workaround implemented by the interrupt manager.
* vmeUniverse/vmeTsi148.c: Clear 'SYSFAIL' during initialization.
Allow BSP to override BSP_PCI2LOCAL_ADDR() macro. Added support for
2eSST when configuring windows (untested - I have no 2eSST).
Added vmeTsi148MapCRG() for mapping local registers onto VME.
Implemented 'posted-write' workaround for interrupt manager
(consult source for details).
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* vmeUniverse/vmeTsi148.c, vmeUniverse/vmeUniverse.c,
vmeUniverse/vmeUniverse.h, vmeUniverse/vme_amd_defs.h:
Added 2F address modifier for VME64 CSR access.
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vmeUniverse/vmeUniverse.c, vmeUniverse/vmeUniverse.h,
vmeUniverse/vme_amd_defs.h: No longer enable posted-writes
on master windows (creates race-condition on memory-mapped
devices). A new flag allows for signalling that a window
maps 'ordinary memory'. Disable VME IRQ level if no
handler is registered with interrupting vector.
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* shared/vmeUniverse/vmeTsi148.c, shared/vmeUniverse/vmeTsi148.h,
shared/vmeUniverse/vme_am_defs.h: New files.
* Makefile.am, shared/vmeUniverse/README.universe,
shared/vmeUniverse/vmeUniverse.c, shared/vmeUniverse/vmeUniverse.h:
Several VME related upgrades and fixes, hopefully addressing PR#835:
vmeUniverse driver now supports shared interrupts. vmeUniverse now
supports up to four wires between universe and PIC. A new irq mgr
installation routine has been added allowing to use the new features.
(old version is still present for bwd compatibility). Calls have been
added to change interrupt routing (e.g., if wires have different
priorities at the PIC this feature can be used to configure
priorites). Routine for testing VME interrupts has been added (useful
during BSP development). A new header defining standard VME address
modes has been added so that the VME API doesn't have to #include a
particular bridge driver header. For all driver entry points, a 'XX'
variant has been added which allows to pass the chip's base address
[in case a second universe is sitting on a VME card :-)]. Driver now
uses interrupt line as read from PCI config. space (without offset)
BSP needs to use PCI fixup if necessary. Added a driver for the
tundra tsi148 VME bridge.
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PR 380/bsps
* vmeUniverse/vmeUniverse.c, vmeUniverse/vmeUniverse.h:
make printk format strings compliant with libcpu/printk.
minor fixes and lazy init bugfix.
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PR 349/bsps
* shared/README.universe, shared/vmeUniverse/README.porting
shared/vmeUniverse/README.universe, shared/vmeUniverse/vmeUniverse.c,
shared/vmeUniverse/vmeUniverse.h: Update of the VME universe driver.
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* vmeUniverse/README.universe, vmeUniverse/vmeUniverse.c,
vmeUniverse/vmeUniverse.h: New files.
* Makefile.am: Modified to reflect addition of files.
* Per PR214, contributes a driver for the TUNDRA UNIVERSE
VME-PCI bridge to libbsp/shared.
NOTE: This driver is maintained _outside_ RTEMS by Till. Please
forward future modifications to him.
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