| Commit message (Collapse) | Author | Age | Files | Lines |
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Move _CPU_Fatal_halt() declaration to <rtems/score/cpuimpl.h> and make sure it
is a proper declaration of a function which does not return. Fix the type of
the error code. If necessary, add the implementation to cpu.c. Implementing
_CPU_Fatal_halt() as a function makes it possible to wrap this function for
example to fully test _Terminate().
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Do not return a status code in bsp_interrupt_facility_initialize() since this
leads to unreachable code in bsp_interrupt_initialize(). Use RTEMS_DEBUG
assertions in bsp_interrupt_facility_initialize() if necessary.
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Update #3269.
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Return a status code for bsp_interrupt_get_affinity().
Update #3269.
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Return a status code for bsp_interrupt_vector_disable().
Update #3269.
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Return a status code for bsp_interrupt_vector_enable().
Update #3269.
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Add a default implementation which just returns RTEMS_UNSATISFIED.
Update #3269.
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Add a default implementation which clears the attributes to zero and
just returns RTEMS_SUCCESSFUL for valid parameters.
Update #3269.
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Add rtems_interrupt_raise_on() and rtems_interrupt_clear().
Add a default implementation which just returns RTEMS_UNSATISFIED for
valid parameters.
Update #3269.
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Add a default implementation which just returns RTEMS_UNSATISFIED for
valid parameters.
Update #3269.
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Fully support the interrupt extension API to set/get the interrupt affinity.
Remove LEON3_irq_to_cpu which defined the interrupt to processor mapping in a
BSP-specific way.
Update #3269.
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Move _ISR_Handler() to a separate file since it is now only used if a handler
is installed by _CPU_ISR_install_raw_handler().
Statically initialize the traps for external interrupts to use the new
_SPARC_Interrupt_trap() which directly dispatches the interrupt handlers
installed by rtems_interrupt_handler_install() via the BSP-provided
_SPARC_Interrupt_dispatch().
Since the trap table is now fully statically initialized, there is no longer a
dependency on the Cache Manager in the default configuration.
Update #4458.
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Statically initialize the trap table in start.S to jump to _SPARC_Bad_trap()
for all unexpected traps. This enables a proper RTEMS fatal error handling
right from the start. Do not rely on the stack and register settings which
caused an unexpected trap. Use the ISR stack of the processor to do the fatal
error handling. Save the full context which caused the trap. Fatal error
handler may use it for error logging.
Unify the _CPU_Exception_frame_print() implementations and move it to cpukit.
Update #4459.
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This makes it easier to review start.o and set break points to trap table
entries. This change was checked by inspecting the trap table in start.o with
objdump.
Update #4458.
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Directly initialize the memory in the start sequence defined by start.S
instead of using a system initialization handler. This avoids using the
global variable rdb_start which used a memory location which was shared
with _ERC32_MEC_Timer_Control_Mirror. This change makes it possible to
use _Memory_Allocate() even before the system initialization is started.
Change license to BSD-2-Clause according to file history and
re-licensing agreement.
Update #3053.
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Initialize the stacks for all processors in one place. Do not rely on
Per_CPU_Control::interrupt_stack_high and directly use the statically
allocated interrupt stack area.
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Initialize the stacks in start.S in one place and identical to
_CPU_Context_Initialize().
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Remove the support to load the data section and rely on the boot loader. The
code is an artifact from the old erc32 days, when we would boot and execute
from ROM and the .data had to be copied over to RAM. With leon1/2/3, this is
not used anymore as a boot loader is made from the RAM image using a custom
tool (mkprom).
In SMP configurations, this support was also broken since LEON3_Boot_Cpu
(in the data section due to the -1 initialization value) was used quite
early in the start sequence.
If the data copy is really necessary, then an application can still add this
step as a very early system initialization step, since boot_card() and the
system initialization loop does not use initialized read-write data (only
read-only and BSS data). However, the SMP startup would still not work in this
case. A boot loader is a better place to load the sections.
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Update #3866.
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CID 1437630: Unchecked return value from library in gr_cpci_gr740_init1().
Closes #4290
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CID 1399767: Unchecked return value error from library in gr_cpci_leon4_n2x_init1().
Closes #4285
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The inter-processor interrupt (IPI) may be used to process per-CPU jobs.
See for example the blocked handler in T_interrupt_test().
Update #3199.
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The work area initialization was done by the BSP through
bsp_work_area_initialize(). This approach predated the system
initialization through the system initialization linker set. The
workspace and C program heap were unconditionally initialized. The aim
is to support RTEMS application configurations which do not need the
workspace and C program heap. In these configurations, the workspace
and C prgram heap should not get initialized.
Change all bsp_work_area_initialize() to implement _Memory_Get()
instead. Move the dirty memory, sbrk(), per-CPU data, workspace, and
malloc() heap initialization into separate system initialization steps.
This makes it also easier to test the individual initialization steps.
This change adds a dependency to _Heap_Extend() to all BSPs. This
dependency will be removed in a follow up change.
Update #3838.
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The code covered by BSP_GET_WORK_AREA_DEBUG was basically dead code
since there was no normal way to activate it (e.g. via a BSP
configuration option). A follow up patch will bring back this feature
through a CONFIGURE_VERBOSE_SYSTEM_INITIALIZATION configuration option.
Update #3838.
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Update #3706.
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- Use CamelCase as it is not used in our C code. Enables simple search and
replace.
- Prefix with "RTEMS" to aid deployment and integration. It aids
searching and sorting.
Update #3706.
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Update #3678.
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Update #3678.
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This avoids a dependency to errno in device driver code.
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Reduce copy and paste.
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Rename
* _Configuration_Interrupt_stack_area_begin in _ISR_Stack_area_begin,
* _Configuration_Interrupt_stack_area_end in _ISR_Stack_area_end, and
* _Configuration_Interrupt_stack_size in _ISR_Stack_size.
Move definitions to <rtems/score/isr.h>. The new names are considerable
shorter and in the right namespace.
Update #3459.
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Update #3530.
Update #3533.
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When the CCSDS/CCITT CRC-16 and 16-bit ISO-checksum logic is available in
GRSPW2, the DCRCT field is used to determine how to generate the CRC/checksum
code. grspw_hw_sup has been extended with the field ccsds_crc
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This is a workaround for a L2CACHE scrubber corner case described in GR740
User's Manual, Version 1.10, section 43.2.30.
The issue affects some version of the L2CACHE. However, since the performance
impact of the workaround is marginal, special device probing logic has been
avoided. In addition, this update does not affect users who enable the L2CACHE
and scrubber before RTEMS is started.
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Add and use <machine/rtems-bsd-kernel-space.h> and
<machine/rtems-bsd-user-space.h> similar to the libbsd to avoid command
line defines and defines scattered throught the code base.
Simplify cpukit/libnetworking/Makefile.am.
Update #3375.
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To clarify, SMP with GRSWP_PKT driver API has been extended to
take advantage of multi-core, is now SMP-safe, and has been tested
on GR740.
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ince some time RTEMS started to use the termios c_ispeed and
c_ospeed variables in the termios struct to hold the UART baudrate.
However the APBUART driver still uses the old c_cflag sometimes
causing other UART parameters to get overwritten, for example the
partiy setting no mapped to the same bits as the old CBAUD mask.
At the same time the RTEMS primitievs for setting/reading
c_{i,o}speed is now used.
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It enabled promiscous mode or sets the multicast filter according
to the configuration and parameters to ioctl(SIOCSIFFLAGS),
ioctl(SIOCADDMULTI) and ioctl(SIOCDELMULTI).
On SIOCADDMULTI/SIOCDELMULTI requests the greth ioctl calls the
Ethernet helper functions ether_addmulti()/ether_delmulti() which
tells the greth driver when its required to update the MAC multicast
filtering.
The interface notifies support for multicast by setting IFF_MULTICAST.
The GRETH has two registers which contains a bit-mask of allowed MAC
addresses. The incomming MAC address is CRC:ed and the CRC is used as
an index into the bit-mask to determine to allow or drop the frame.
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Missed to enable interrupt per TX descriptor. Could lead to TX buffer
starvation.
Does not affect the GBit code.
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This reduces the link-time dependencies and avoids copy-and-paste.
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Fix typo in start.S introduced by
4678d1a8b0e74a12809122ef071324c99e78d7ff.
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