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Merge the rtems_termios_isig_status_code and
rtems_termios_iproc_status_code enums into a single
rtems_termios_iproc_status_code which is now a part of the API.
Simplify rtems_termios_posix_isig_handler() to avoid unreachable code.
Close #3800.
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Close #3973.
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Update #3973.
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Close #3972.
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This define is
* not documented,
* not used in the RTEMS code base, and
* longer than sizeof(rtems_name).
Close #3971.
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Close #3970.
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Updates #3969
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This order change fixes the Latex documentation build via Doxygen.
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- Fix the passing of std[in/out] to child threads
- Fix deleting of managed memory in the key destructor
- Only set the key in the main loop thread
- Only allocate a shell env outside of the main loop
- Fix memory leak if the task start fails
- Remove error level from shell env, it cannot be returned this way. Add
exit_code but the API is broken so it cannot be returned.
Closes #3859
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Update #3875.
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Update #3949.
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Delete unused RTEMS_DECLARE_GLOBAL_SYMBOL().
Update #3799.
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In the previous implementation, the _ISR_Stack_area_begin and
_ISR_Stack_area_end symbols were in different sections. If they do not
have the same alignment, then the following linker directive could
separate them:
*(SORT_BY_ALIGNMENT (SORT_BY_NAME (.rtemsstack*)))
Do not use different sections and instead define _ISR_Stack_area_end
directly.
Update #3799.
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Update #3799.
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This reverts commit 8e80876bdd54e36fb668eee655eec1dd588daf13
which broke several architectures.
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The _ISR_Stack_area_begin and _ISR_Stack_area_end symbols are in
different sections. They must have the same alignment, otherwise the
following linker directive could separate them:
*(SORT_BY_ALIGNMENT (SORT_BY_NAME (.rtemsstack*)))
Update #3799.
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Remove the following undocumented configuration options:
* CONFIGURE_FILESYSTEM_ENTRY_DOSFS
* CONFIGURE_FILESYSTEM_ENTRY_FTPFS
* CONFIGURE_FILESYSTEM_ENTRY_IMFS
* CONFIGURE_FILESYSTEM_ENTRY_JFFS2
* CONFIGURE_FILESYSTEM_ENTRY_NFS
* CONFIGURE_FILESYSTEM_ENTRY_RFS
* CONFIGURE_FILESYSTEM_ENTRY_TFTPFS
Update #3836.
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This type is unused. Do not mention non-existing
CONFIGURE_FILESYSTEM_MINIIMFS.
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This filesystem no longer exists.
Remove unused RTEMS_FILESYSTEM_TYPE_DEVFS.
Update #3894.
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These defines are not used and easily conflict with application code.
They are also defined by the standard header file <arpa/ftp.h> if
someone needs them.
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Do not undefine this unused BSP configuration option. This is a follow
up of commit 92b33b8d09377feb14eb5a831ce242047c58d02b.
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On most architectures, the size of the thread-local storage TCB must be
8 bytes. Fix the definition for 64-bit targets.
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Check for configuration errors earlier. Allow fatal dumps without the
other extensions. Add some warnings.
Update #3904.
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Add rtems_record_dump_base64() and rtems_record_dump_base64_zlib().
Add CONFIGURE_RECORD_FATAL_DUMP_BASE64 and
CONFIGURE_RECORD_FATAL_DUMP_BASE64_ZLIB configuration options.
Update #3904.
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Update #3904.
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Update #3904.
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There was a race conditon in the reference counting of file descriptors
during a close() operation. After the call to the close handler, the
rtems_libio_free() function cleared the flags to zero. However, at this
point in time there may still exist some holders of the file descriptor.
With RTEMS_DEBUG enabled this could lead to failed assertions in
rtems_libio_iop_drop().
Change the code to use only atomic read-modify-write operations on the
rtems_libio_iop::flags.
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Add a simplified path evaluation function IMFS_eval_path_devfs() for a
device only IMFS configuration.
The code size can be further reduced by the application if it disables
the support for legacy IO drivers via:
#define CONFIGURE_IMFS_DISABLE_MKNOD
#define CONFIGURE_IMFS_DISABLE_MKNOD_DEVICE
Obsolete CONFIGURE_MAXIMUM_DEVICES. Remove BSP_MAXIMUM_DEVICES.
Update #3894.
Update #3898.
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The CONFIGURE_IMFS_MEMFILE_BYTES_PER_BLOCK value is validated by
<rtems/confdefs/libio.h>. Changing this value during runtime could lead
to memory corruption.
Update #3894.
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Update #3894.
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Remove IMFS_NODE_FLAG_NAME_ALLOCATED and instead replace the node
control in rename operations. This avoids a special case in the general
node destruction which pulled in free().
Update #3894.
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In uniprocessor configurations, use compile-time constants for
rtems_scheduler_get_processor_maximum() and
rtems_scheduler_get_processor(). This helps compilers and static
analyzers to deduce that some loop bodies are only executed once and
some conditional statements have a fixed outcome (may improve code
generation and reduce false positives).
In SMP configurations, directly provide the internal implementation for
performance reasons.
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The use of CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER does not define
anything, so remove the <rtems/btimer.h> include.
Update #3875.
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Update #3881.
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Update #3881.
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There does not seem to be a strong reason to inline this function. Also
we are about to add some extra code to it which will increase its size.
Move it into fdt.c and use a simple declaration in libfdt.h
Signed-off-by: Simon Glass <sjg@chromium.org>
Message-Id: <20200220214557.176528-2-sjg@chromium.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Including libfdt.h in a C++ project fails during compilation with recent
version of GCC or Clang.
This simple example:
extern "C" {
#include <libfdt.h>
}
int main(void) { return 0; }
leads to the following errors with GCC 9.1.0:
/usr/include/libfdt.h: In function ‘void fdt32_st(void*, uint32_t)’:
/usr/include/libfdt.h:139:16: error: invalid conversion from ‘void*’ to ‘uint8_t*’ {aka ‘unsigned char*’} [-fpermissive]
139 | uint8_t *bp = property;
| ^~~~~~~~
| |
| void*
/usr/include/libfdt.h: In function ‘void fdt64_st(void*, uint64_t)’:
/usr/include/libfdt.h:163:16: error: invalid conversion from ‘void*’ to ‘uint8_t*’ {aka ‘unsigned char*’} [-fpermissive]
163 | uint8_t *bp = property;
| ^~~~~~~~
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| void*
This commit adds an explicit cast to uint8_t* to fix this issue.
Signed-off-by: Luc Michel <luc.michel@greensocs.com>
Message-Id: <20190910104824.1321594-1-luc.michel@greensocs.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Replace instances of dual GPLv2 or BSD license boilerplate with SPDX tags.
Signed-off-by: Rob Herring <robh@kernel.org>
Message-Id: <20190620211944.9378-3-robh@kernel.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Searching for duplicate names scales O(n^2) with the number of names
added to a fdt, which can cause a noticable slowdown with larger device
trees and very slow CPU cores.
Add FDT_CREATE_FLAG_NO_NAME_DEDUP that allow the caller to trade fdt size
for speed in the creation process.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20190509094122.834-4-npiggin@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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There is a need to be able to specify some options when building an FDT
with the SW interface. This can be accomplished with minimal changes by
storing intermediate data in the fdt header itself, in fields that are
not otherwise needed during the creation process and can be set by
fdt_finish().
The fdt.magic field is already used exactly this way, as a state to
check with callers that the FDT has been created but not yet finished.
fdt.version and fdt.last_comp_version are used to make room for more
intermediate state. These are adjacent and unused during the building
process. last_comp_version is not yet used for intermediate state, but
it is zeroed and treated as used, so as to allow future growth easily.
A new interface, fdt_create_with_flags() is added, which takes 32-bit
flag value to control creation.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20190509094122.834-3-npiggin@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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It's now a trivial wrapper around fdt_find_max_phandle() so we might as
well inline it. We also remove it from the versioning linker script.
Theoretically, that's a breaking ABI change except that we haven't yet
released a version with it exposed in the shared object, so we can get
away with it.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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The new fdt_generate_phandle() function can be used to generate a new,
unused phandle given a specific device tree blob. The implementation is
somewhat naive in that it simply walks the entire device tree to find
the highest phandle value and then returns a phandle value one higher
than that. A more clever implementation might try to find holes in the
current set of phandle values and fill them. But this implementation is
relatively simple and works reliably.
Also add a test that validates that phandles generated by this new API
are indeed unique.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Message-Id: <20190326153302.17109-3-thierry.reding@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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The fdt_get_max_phandle() function has some shortcomings. On one hand
it returns just a uint32_t which means to check for the "negative"
error code a caller has to explicitly check against the error code
(uint32_t)-1. In addition, the -1 is the only error code that can be
returned, so a caller cannot tell the difference between the various
failures.
Fix this by adding a new fdt_find_max_phandle() function that returns an
error code on failure and 0 on success, just like other APIs, and stores
the maximum phandle value in an output argument on success.
This also refactors fdt_get_max_phandle() to use the new function. Add a
note pointing out that the new fdt_find_max_phandle() function should be
preferred over fdt_get_max_phandle().
Signed-off-by: Thierry Reding <treding@nvidia.com>
Message-Id: <20190326153302.17109-1-thierry.reding@gmail.com>
[dwg: Reword for some inaccuracies in the commit message]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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This function will append an address range property using parent node's
"#address-cells" and "#size-cells" properties.
It will be used in implementing kdump with kexec_file_load system call
at linux kernel for arm64 once it is merged into kernel tree.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Message-Id: <20190327061552.17170-2-takahiro.akashi@linaro.org>
[dwg: Correct a SEGV error in the testcase]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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This reverts commit 54ea41c22415cb0e283d22faf71202051c89400c.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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