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2021-04-13Revert "cpukit/include: Remove telnetd.h"Vijay Kumar Banerjee
This reverts commit 8383572963e261ea384cddfa43cd9606e7c23cdd.
2021-04-13Revert "cpukit: Remove telnetd"Vijay Kumar Banerjee
This reverts commit 3299dda2454a8847c670a732f6c12ef1f2cc5dd0.
2021-04-08fastlz.c: Unused value (CID #1399751)Ryan Long
CID 1399751: Unused value in fastlz2_compress(). Closes #4341
2021-04-08print-ls.c: Unused value (CID #1255346)Ryan Long
CID 1255346: Unused value in rtems_shell_ls_printacol(). Closes #4340
2021-04-08main_cp.c: Unused value (CID #1255344)Ryan Long
CID 1255344: Unused value in copy(). Closes #4339
2021-04-07cpukit/include: Remove telnetd.hVijay Kumar Banerjee
Update #3850
2021-04-07cpukit: Remove telnetdVijay Kumar Banerjee
Update #3850
2021-04-07cpukit/libfs: Remove nfsclientVijay Kumar Banerjee
Update #3850
2021-04-07cpukit: remove pppdVijay Kumar Banerjee
Update #3850
2021-04-07cpukit: Remove libnetworkingVijay Kumar Banerjee
Update #3850
2021-04-07cpukit: Move ftpfs from libnetworking to libfsVijay Kumar Banerjee
Update #3850
2021-04-07rtems: Fix rtems_semaphore_release() documentationSebastian Huber
The directive returns RTEMS_UNSATISFIED if the semaphore's count already had the maximum value of UINT32_MAX.
2021-04-07score: Replace Objects_Name_or_id_lookup_errorsSebastian Huber
Replace Objects_Name_or_id_lookup_errors with new Status_Control codes. Get rid of the _Status_Object_name_errors_to_status lookup table.
2021-04-07score: Fix internal error status numberSebastian Huber
The value of STATUS_CLASSIC_INTERNAL_ERROR must be equal to RTEMS_INTERNAL_ERROR. Add static assertions to ensure that the status codes match.
2021-04-06cpukit/aarch64: Add ESR register decodingAlex White
2021-03-27score: Add an assert to _Workspace_Free()Sebastian Huber
2021-03-27score: Fix task stack initializationSebastian Huber
Do not adjust the stack area begin address since this may confuse the stack allocator and result in failed stack frees. Account for the alignment overhead in the stack space size estimate. Check that the stack size is in the expected interval.
2021-03-27pwdgrp.c: Change to simply ignore return value from mkdir(/etc)Joel Sherrill
At this point in time, /etc can be created in multiple ways. There is a discussion (#4354) that would define a mechanism for instantiating a base file system with some flexibility for the set of directories included. For now, this particular mkdir() call can fail because /etc could already have been created by at least an initial filesystem image, the shell, or libbsd. closes #4382.
2021-03-26dosfs: Use peek supportChristian Mauderer
This speeds up reading fragmented files. Fix #3689
2021-03-26libblock: Add rtems_bdbuf_peek()Christian Mauderer
Adds a peek function that allows (for example) a file system to suggest the next blocks that should be used for read ahead. This can increase the read speed of fragmented files. Update #3689
2021-03-24gen_uuid.c: Revert previous patch (597e4f476568a225d14dfaff02074cf269ad62ac)Joel Sherrill
The patch was: gen_uuid.c: Fix two Unchecked return value from library errors CID 1049146: Unchecked return value from library in get_clock(). CID 1049147: Unchecked return value from library in get_random_fd(). Reopen #4280
2021-03-23pwdgrp.c: Remove _Assert. /etc may already existRyan Long
Removed the _Assert_unused_variable_equals macro due to /etc having already been created by the network stack initialization or an initial filesystem image. Closes #4282
2021-03-21rtems-fdt/rtems-fdt.c: Fix bug in loop terminationG S Niteesh Babu
The while loop, loops infinitely in case of raw FDT data. The loop condition (size) is not modified during iterations.
2021-03-19rtems: Relax mode checks in rtems_signal_catch()Sebastian Huber
Check only for invalid modes if a valid handler is presented to rtems_signal_catch(). When NULL is used for the handler, ASR processing is disabled and the mode is not used. Update #4244.
2021-03-18rtems: Fix rtems_task_mode()Sebastian Huber
Do the ASR and preemption mode change only if requested by the mode mask. The bug was introduced by 508f868237225a75e566d9fd304206363cfe441d.
2021-03-16rtems: Improve semaphore create error checksSebastian Huber
Do not mix checks for different error indicators (RTEMS_NOT_DEFINED and RTEMS_INVALID_NUMBER). This simplifies the specification of rtems_semaphore_create().
2021-03-16rtems: Allow initially locked MrsP semaphoresSebastian Huber
Rejecting initially locked MrsP semaphores was due to a limitiation of the early limitiation of the MrsP protocol. This limitation no longer exists.
2021-03-16rtems: Require RTEMS_PRIORITY for MrsP semaphoresSebastian Huber
MrsP semaphores are a generalization of the priority ceiling semaphores for SMP configurations. Priority ceiling semaphores are required to use the priority task wait queue discipline. Require this discipline also for MrsP semaphores. Close #4347.
2021-03-16score: Add Thread_Configuration::cpu_time_budgetSebastian Huber
Move the CPU time budget to the thread configuration. This simplifies _Thread_Initialize().
2021-03-11leon,tn-0018: work around GRLIB-TN-0018 errataDaniel Hellstrom
Overview ======== The errata is worked around in the kernel without requiring toolchain modifications. It is triggered the JMPL/RETT return from trap instruction sequence never generated by the compiler and. There are also other conditions that must must be true to trigger the errata, for example the instruction that the trap returns to has to be a JMPL instruction. The errata can only be triggered if certain data is corrected by ECC (inflicted by radiation), thus it can not be triggered under normal operation. For more information see: www.gaisler.com/notes Affected RTEMS target BSPs: * GR712RC * UT699 * UT700/699E The work around is enabled by defining __FIX_LEON3_TN0018 at build time. After applying the following GCC patch, GCC will set the define when compiling for an affected multilib: * GR712RC (-mcpu=leon3 -mfix-gr712rc) * UT700/UT699E (-mpcu=leon3 -mfix-ut700) * UT699 (-mcpu=leon -mfix-ut699) When building for another multilib and TN0018 is still required, it is possible to enable it on the RTEMS kernel configure line using the TARGET_CFLAGS (-D__FIX_LEON3FT_TN0018) or other by other means. The following GCC patch sets __FIX_LEON3FT_TN0018 for the affected RTEMS multilibs: --------- diff --git a/gcc/config/sparc/rtemself.h b/gcc/config/sparc/rtemself.h index 6570590..ddec98c 100644 --- a/gcc/config/sparc/rtemself.h +++ b/gcc/config/sparc/rtemself.h @@ -33,6 +33,8 @@ builtin_assert ("system=rtems"); \ if (sparc_fix_b2bst) \ builtin_define ("__FIX_LEON3FT_B2BST"); \ + if (sparc_fix_gr712rc || sparc_fix_ut700 || sparc_fix_ut699) \ + builtin_define ("__FIX_LEON3FT_TN0018"); \ } \ while (0) --------- Workaround Implementation ========================= In general there are two approaches that the workaround uses: A) avoid ECC restarting the RETT instruction B) avoid returning from trap to a JMPL instruction Where A) comes at a higher performance cost than B), so B) is used where posssible. B) can be achived for certain returns from trap handlers if trap entry is controlled by assembly, such as system calls. A) A special JMPL/RETT sequence where instruction cache is disabled temporarily to avoid RETT containing ECC errors, and reading of RETT source registers to "clean" them from incorrect ECC just before RETT is executed. B) The work around prevents JMPL after system calls (TA instruction) and modifies assembly code on return from traps jumping back to application code. Note that for some traps the trapped instruction is always re-executed and can therefore not trigger the errata, for example the SAVE instruction causing window overflow or an float instruction causing FPU disabled trap. RTEMS SPARC traps workaround implementation: NAME NOTE TRAP COMMENT * window overflow 1 - 0x05 always returns to a SAVE * window underflow 1 - 0x06 always returns to a RESTORE * interrupt traps 2 - 0x10..1f special rett sequence workaround * syscall 3 - 0x80 shutdown system - never returns * ABI flush windows 2 - 0x83 special rett sequence workaround * syscall_irqdis 4 - 0x89 * syscall_irqen 4 - 0x8A * syscall_irqdis_fp 1 - 0x8B always jumps back to FP instruction * syscall_lazy_fp_switch 5 - 0x04 A) jumps back to FP instruction, or to B) _Internal_error() starting with SAVE Notes: 1) no workaround needed because trap always returns to non-JMPL instruction 2) workaround implemented by special rett sequence 3) no workaround needed because system call never returns 4) workaround implemented by inserting NOP in system call generation. Thus fall into 1) when workaround is enabled and no trap handler fix needed. 5) trap handler branches into both 1) and returning to _Internal_error() which starts with a SAVE and besides since it shuts down the system that RETT should never be in cache (only executed once) so fix not necessary in this case. Any custom trap handlers may also have to be updated. To simplify that, helper work around assembly code in macros are available in a separate include file <libcpu/grlib-tn-0018.h>. Close #4155.
2021-03-11sparc,leon: avoid triggering LEON3FT errata TN-0009Daniel Hellstrom
Close #4336.
2021-03-11sparc,leon: avoid triggering TN-0009 bad sequenceDaniel Hellstrom
Update #4336.
2021-03-11sparc: fix bad register alignment for 64 bit storeDaniel Hellstrom
2021-03-11sparc: Remove sequences that the B2BST scan script warns aboutDaniel Cederman
Update #4336.
2021-03-09basedefs: Clarify RTEMS_STRING(), RTEMS_XSTRING()Frank Kühndel
2021-03-08main_help.c: Unchecked return value from library (CID #1437650)Ryan Long
CID 1437650: Unchecked return value from library in rtems_shell_help(). Closes #4291
2021-03-08pwdgrp.c: Fix Unchecked return value from library (CID #1255518)Ryan Long
CID 1255518: Unchecked return value from library in pwdgrp_init(). Closes #4282
2021-03-08main_chmod.c: Fix Unchecked return value from library (CID #1063856)Ryan Long
CID 1063856: Unchecked return value from library in rtems_shell_main_chmod(). Closes #4281
2021-03-08gen_uuid.c: Fix two Unchecked return value from library errorsRyan Long
CID 1049146: Unchecked return value from library in get_clock(). CID 1049147: Unchecked return value from library in get_random_fd(). Closes #4280
2021-03-08main_edit.c: Fix Unchecked return value (CID #1255318)Ryan Long
CID 1255318: Unchecked return value in display_line(). Updates #4257
2021-03-05pci_cfg_read.c: Fix Missing break in switch (CID #1399723)Ryan Long
CID 1399723: Missing break in switch in pci_read_addressable(). Closes #4279
2021-03-05cpuusagetop.c: Fix three Missing break in switch Coverity errorsRyan Long
CID 1399726: Missing break in switch in task_usage(). CID 1399728: Missing break in switch in task_usage(). CID 1399742: Missing break in switch in task_usage(). Closes #4278
2021-03-05bsps/aarch64: RTEMS_DEBUG stack alignment faultsKinsey Moore
Run with stack alignment faults enabled under RTEMS_DEBUG to catch any stack misalignments early. This makes it easier to track them down should they ever occur.
2021-03-05score/aarch64: Fix interrupt level readsAlex White
2021-03-05cpukit: Explicitly enforce alignment requirementsKinsey Moore
According to commentary on GCC bug https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99143, the alignment behavior of linker sections on which RTEMS has relied was never guaranteed to be consistent across platforms and any alignment requirements for linker sections needs to be enforced explicitly. This adds those explicit alignment requirements. Closes #4255.
2021-03-05aarch64: Fix context switchSebastian Huber
The Per_CPU_Control::isr_dispatch_disable is a 32-bit integer. Close #4206.
2021-03-05score: Ensure stack alignment requirementSebastian Huber
Make sure that a user-provided stack size is the minimum size allocated for the stack. Make sure we meet the stack alignment requirement also for CPU ports with CPU_STACK_ALIGNMENT > CPU_HEAP_ALIGNMENT.
2021-03-05CONFIGURE_MAXIMUM_THREAD_LOCAL_STORAGE_SIZESebastian Huber
Ensure that CONFIGURE_MAXIMUM_THREAD_LOCAL_STORAGE_SIZE meets the task storage alignment requirement.
2021-03-04rtems: Fix RTEMS_TASK_STORAGE_ALIGNMENTSebastian Huber
Make sure we meet the stack alignment requirement for user-provided thread storage areas.
2021-03-04score: Enforce CPU_STACK_ALIGNMENT requirementsSebastian Huber
Clarify CPU_STACK_ALIGNMENT requirements in no_cpu port. Add static assertion to enforce CPU_STACK_ALIGNMENT requirements.
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