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* [libcpu][risc-v] Refactor the RISC-V architecture port
Introduce an opt-in unified RISC-V common layer for RV32 and RV64 while keeping existing BSPs on the legacy implementation during migration.
- use ARCH_RISCV and ARCH_CPU_64BIT for architecture and XLEN selection
- unify context, trap, MMU, cache, timer, SBI, SMP and ISA handling
- add PLIC, CLIC, ACLINT, APLIC and IMSIC support
- map physical hart IDs to contiguous logical CPU IDs
- add T-Head vendor overrides while preserving legacy ports
- migrate qemu-virt64-riscv with RV32 and RV64 support
- update clock_time, MM, LWP, OFW, PCI and Rust integration
Existing BSPs continue using legacy_common or common64 unless they select RT_USING_RISCV_NEW_COMMON.
Signed-off-by: GuEe-GUI <[email protected]>
* [libcpu][risc-v] skip disabled CPU nodes in early FDT walk
Rbb666 noted that rt_hw_fdt_install_early() walked every /cpus child
without checking status, so disabled cores still joined hart registration
and MMU capability probing. Skip nodes that are not okay/ok via
rt_fdt_device_is_available() before reading reg or mmu-type.
Signed-off-by: seteiro <[email protected]>
* [libcpu][risc-v] Fix per-CPU page table mapping
- reuse existing non-leaf page table entries when mapping per-CPU areas
- reject leaf entry conflicts instead of overwriting mappings
Signed-off-by: GuEe-GUI <[email protected]>
---------
Signed-off-by: GuEe-GUI <[email protected]>
Signed-off-by: seteiro <[email protected]>
Co-authored-by: seteiro <[email protected]>
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* [components][clock_time] Refactor time subsystem around clock_time
Introduce the clock_time core with clock source/event separation, high-resolution scheduling, and boot-time helpers, plus clock_timer adapters for timer peripherals.
Remove legacy ktime/cputime/hwtimer implementations and migrate arch and BSP time paths to the new subsystem while keeping POSIX time integration functional.
Update drivers, Kconfig/SConscript wiring, documentation, and tests; add clock_time overview docs and align naming to clock_boottime/clock_hrtimer/clock_timer.
* [components][clock_time] Use BSP-provided clock timer frequency on riscv64
* [risc-v] Use runtime clock timer frequency for tick and delays
* [bsp] Add clock timer frequency hooks for riscv64 boards
* [bsp] Update Renesas RA driver doc clock_timer link
* [bsp] Sync zynqmp-r5-axu4ev rtconfig after config refresh
* [bsp][rk3500] Update rk3500 clock configuration
* [bsp][hpmicro] Add rt_hw_us_delay hook and update board delays
* [bsp][stm32l496-st-nucleo] enable clock_time for hwtimer sample in ci
* [bsp][hpmicro] Fix rtconfig include scope for hpm6750evk
Move rtconfig.h include outside the ENET_MULTIPLE_PORT guard for hpm6750evk and hpm6750evk2 so configuration macros are available regardless of ENET settings.
* [bsp][raspi3] select clock time for systimer
* [bsp][hpm5300evk] Trim trailing blank line
* [bsp][hpm5301evklite] Trim trailing blank line
* [bsp][hpm5e00evk] Trim trailing blank line
* [bsp][hpm6200evk] Trim trailing blank line
* [bsp][hpm6300evk] Trim trailing blank line
* [bsp][hpm6750evk] Trim trailing blank line
* [bsp][hpm6750evk2] Trim trailing blank line
* [bsp][hpm6750evkmini] Trim trailing blank line
* [bsp][hpm6800evk] Trim trailing blank line
* [bsp][hpm6e00evk] Trim trailing blank line
* [bsp][nxp] switch lpc178x to gcc and remove mcx timer source
* [bsp][stm32] fix the CONFIG_RT_USING_CLOCK_TIME issue.
* [docs][clock_time] add clock time documentation
* [docs][clock_time] Update clock time subsystem documentation
- Update device driver index to use correct page reference
- Clarify upper layer responsibilities in architecture overview
- Update README to describe POSIX/libc, Soft RTC, and device driver usage
- Refine architecture diagram with improved layout and color scheme
- Remove obsolete clock_timer.md file
* [kernel][utest] Trim trailing space
* [clock_time] Fix hrtimer wrap handling
* [clock_time] fix the static rt_inline issue
* [clock_time] fix the rt_clock_hrtimer_control result issue
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