When the cmpset and fcmpset functions were refactored, the return value
of the operation was discarded instead of being returned for SMP builds
outside of gcc 4.x. This had the effect of turning these functions into
a long busywait loop that eventually failed due to integer overflow.
This patch restores the use of the return value of the atomic
operations.
- The script's use of sort proved to not be portable
- No need to check the commits as symbols are only added
- Regenerated kernel header to reset the sort order
Update #4475
- Add PCI IO region support
- Add support map buffers to PCI address space
- Add BSP conditional IO space support. Some PC implementations
have PCI IO space mapped differently to memory space and this needs
to be reflected in the busspace.
- Include bsp.h to pick per BSP configuration.
Closes#4245
This alters the selection of the 4 Cadence GEM interfaces on the Zynq
Ultrascale+ MPSoC BSP to be provided by config.inc instead of being
provided by options in the RTEMS BSP itself since those options appear
to be dead code when not used in conjunction with LibBSD.
Updated ttcp.c to build clean for RTEMS 6 and the machines it
originally built for. Also fixed ttcp.c to close network
sockets after completion. Defined a shell command for TTCP in
rtems-bsd-shell-ttcp.c. Added TTCP to the list of RTEMS network
commands in netcmds-config.h. Added declaration of the TTCP shell
command to rtems-bsd-commands.h. Modified libbsd.py to make waf
build TTCP and its shell command.
ZynqMP hardware comes with many different Ethernet PHYs depending on
which board is used. Add the UKPHY driver to handle basic PHY
interaction for any unrecognized PHYs.
Add a System Level Control Register driver for the Xilinx Zynq
Ultrascale+ MPSoC with basic clock control functionality for use with
the Cadence GEM. This also removes the Zynq-7000 clock control weakref
from compilation depending on the BSP in use.
Similar to the UARTs, ZynqMP hardware platforms use the highest
memory-mapped CGEM peripheral as the primary instance of that
peripheral. This change allows operation on hardware as well as QEMU.
Some targets support only flushing or invalidating complete cache lines.
In this cases misaligned buffers might lead to unexpected results. This
patch adds a flag that allows drivers to signal to the bus dma driver
that it is OK to round a buffer to the next full cache line. That's for
example necessary if a driver wants to send out 14 byte via a USB DMA.
Only the driver knows whether these 14 bytes are located in an otherwise
unused cache line aligned buffer.
There is a bug in the #ifdef regarding FDT so this file hasn't been
compiled. If that bug is solved, the driver doesn't work for some other
reason.
With the FDT-bug the driver hasn't been used by anyone. So just remove
it again.
- Update imported files to compile rtems-libbsd for i386 based BSPs
- Mostly commenting out parts which create compile or link errors in
RTEMS, but aren't needed
- The files in the i386 directory have been moved to common x86 directories by FreeBSD:
- freebsd/sys/x86/x86/legacy.c
- freebsd/sys/x86/include/machine/legacyvar.h
- freebsd/sys/x86/include/machine/specialreg.h
- Add header files in rtemsbsd directory to direct compiler to new files
