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<a href="https://gitlab.rtems.org/joel">Joel Sherrill</a> created a merge request: <a href="https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/510">!510</a>
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Project:Branches: joel/rtems:7-provide-atomic-helpers-in-bsp to rtems/rtos/rtems:main
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Author: Joel Sherrill
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Assignee: Joel Sherrill
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Reviewers:
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<a href="#summary" aria-hidden="true" class="anchor" id="user-content-summary" style="margin-top: 0; float: left; margin-left: -20px; text-decoration: none; outline: none;"></a>Summary</h2>
<p dir="auto" style="color: #28272d; margin: 0 0 16px;" align="initial">Provide missing GCC atomics helpers as part of BSPs where GCC
does not know how to provide it since the CPU's ISA has no
atomic instructions. The implementation provided in
bsps/shared/atomics/__atomic_test_and_set.c should work
on any single core CPU.</p>
<p dir="auto" style="color: #28272d; margin: 0 0 16px;" align="initial">The BSPs that need thie function tend to have older cores. This
is the list of BSPs:</p>
<p dir="auto" style="color: #28272d; margin: 0 0 16px;" align="initial">arm - csb336, csb337, csb637, edb7312, gumstix, kit637_v6, lpc24xx_ea,
lpc24xx_ncs_ram, lpc24xx_ncs_rom_ext, lpc24xx_ncs_rom_int,
lpc24xx_plx800_ram, lpc24xx_plx800_rom_int, lpc32xx_mzx,
lpc32xx_mzx_stage_1, lpc32xx_mzx_stage_2, lpc32xx_phycore,
rtl22xx, rtl22xx_t, smdk2410
m68k - av5282, mcf5329
mips - jmr3904
moxie - moxiesim
nios2 - nios2_iss
riscv - grv32i, grv32im, niosvc10lp, noel32im, rv32i, rv32im,
sparc - ut699</p>
<p dir="auto" style="color: #28272d; margin: 0;" align="initial">Updates <a href="https://gitlab.rtems.org/rtems/rtos/rtems/-/issues/5267" data-reference-type="issue" data-original="#5267" data-link="false" data-link-reference="false" data-issue="29096" data-project="26" data-iid="5267" data-namespace-path="rtems/rtos/rtems" data-project-path="rtems/rtos/rtems" data-issue-type="issue" data-container="body" data-placement="top" title="GCC 14 Missing Atomic Support Routines for Older Cores" class="gfm gfm-issue" style="margin-top: 0;">#5267</a></p>
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