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What is 9PFS (https://en.wikipedia.org/wiki/9P_(protocol)):
9P (or the Plan 9 Filesystem Protocol or Styx) is a network protocol developed for the Plan 9 from Bell Labs distributed operating system as the means of connecting the components of a Plan 9 system. Files are key objects in Plan 9. They represent windows, network connections, processes, and almost anything else available in the operating system.
rt-thread could share filesystem in VM mode with 9pfs such as QEMU...
Signed-off-by: GuEe-GUI <[email protected]>
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1.Add the necessary function declarations for SMP enablement and implement the corresponding
functionalities, including rt_hw_secondary_cpu_up, secondary_cpu_entry, rt_hw_local_irq_disable,
rt_hw_local_irq_enable, rt_hw_secondary_cpu_idle_exec, rt_hw_spin_lock_init, rt_hw_spin_lock,
rt_hw_spin_unlock, rt_hw_ipi_send, rt_hw_interrupt_set_priority, rt_hw_interrupt_get_priority,
rt_hw_ipi_init, rt_hw_ipi_handler_install, and rt_hw_ipi_handler.
2.In the two functions (rt_hw_context_switch_to and rt_hw_context_switch) in context_gcc.S,
add a call to rt_cpus_lock_status_restore to update the scheduler information.
3.If the MMU is enabled, use the .percpu section and record different hartids by configuring
special page tables; if the MMU is not enabled, record them directly in the satp register.
Additionally, add dynamic startup based on core configuration.The .percpu section is only used
when both ARCH_MM_MMU and RT_USING_SMP are enabled. However, there is a certain amount of space
waste since no macro guard is added for it in the link script currently.
4.The physical memory of QEMU started in CI is 128MB, so RT_HW_PAGE_END is modified from the
original +256MB to +128MB. Modify the SConscript file under the common64 directory to include
common/atomic_riscv.c in the compilation process.
Signed-off-by: Mengchen Teng <[email protected]>
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In smp_assigned_idle_cores_tc, the finish_flag involves atomic operations
and thus requires address alignment.
Signed-off-by: Mengchen Teng <[email protected]>
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* [MM] Fixup MM
1. Fixup some LOG_D args.
2. Stop installing page when `rt_aspace_map_phy` fail.
* [MM] Support page MPR dynamic size
For RISC-V or dynamic address space arch in the future.
Signed-off-by: GuEe-GUI <[email protected]>
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* Append WT attribute.
* Change the API with pool size only.
* Add address mask for DMA
* Change DMA lock to mutex
* Add pause callback for DMA engine driver
* Add DMA Engine test
* Add ARM PL330 DMA Engine driver
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DM need > c99
Signed-off-by: GuEe-GUI <[email protected]>
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Signed-off-by: GuEe-GUI <[email protected]>
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Signed-off-by: GuEe-GUI <[email protected]>
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Just not regulator really, user can work ok, so remove the error no.
Signed-off-by: GuEe-GUI <[email protected]>
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Signed-off-by: GuEe-GUI <[email protected]>
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* feat(gd32): 优化GD32F470 SPI Flash初始化和UART0配置
主要修改：
1. SPI Flash初始化优化
- 添加可配置的SPI Flash自动初始化选项(BSP_USING_SPI_FLASH)
- 支持按SPI总线独立配置Flash初始化(BSP_USING_SPIx_FLASH)
- 避免SPI Flash初始化与其他SPI设备(如OLED、WIFI)冲突
- 添加SPI5 Flash支持
- 修改drv_spi_flash.c，仅在明确配置的SPI总线上初始化Flash
2. UART0配置修复
- 将UART0的AFIO默认值从AF1改为AF7
- 修复串口无响应问题
这些修改使得用户可以更灵活地配置SPI Flash初始化，避免自动初始化导致的设备冲突问题。
* feat(gd32): 解耦SPI Flash与SFUD的依赖关系
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Signed-off-by: ChuanN-sudo <[email protected]>
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Signed-off-by: ChuanN-sudo <[email protected]>
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Add comments for smp_bind_affinity, And fixed some comment issues in smp_affinity_pri2_tc.
Signed-off-by: Mengchen Teng <[email protected]>
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Add comments for smp_affinity_pri2
Signed-off-by: Mengchen Teng <[email protected]>
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Add comments for smp_affinity_pri1
Signed-off-by: Mengchen Teng <[email protected]>
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1. add dma support to the I2C driver to improve efficiency.
Signed-off-by: Ze-Hou <[email protected]>
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优化soft_rtc实现
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Signed-off-by: ChuanN-sudo <[email protected]>
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Replace standard string and memory functions with RT-Thread's rt-prefixed
equivalents where available:
- strcpy -> rt_strcpy
- strncpy -> rt_strncpy
- strcmp -> rt_strcmp
- strncmp -> rt_strncmp
- strlen -> rt_strlen
- strstr -> rt_strstr
- memcpy -> rt_memcpy
- memcmp -> rt_memcmp
Functions like strcat, strchr remain unchanged as RT-Thread does not provide
rt-prefixed versions.
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修复accept在错误执行过程中返回无效socket问题
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for idle harts
Add explanatory comments for the utest of smp_assigned_idle_cores.
Signed-off-by: Mengchen Teng <[email protected]>
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Currently, this utest cannot determine whether threads are evenly distributed
across idle harts by observing the result of list_thread(). This is because
the presence of rt_thread_delay(5); causes all other threads to be in the
suspended state when thread information is printed. For example, if RT_CPUS_NR=4,
T0 executes list_thread() to print information, while T1~T3 are in hibernation
and thus it is impossible to observe which hart they are running on.
Solution:Here, the completion judgment condition has been modified. For example,
when RT_CPUS_NR=4, only RT_CPUS_NR-1 threads will be created (i.e., T0 to T2),
because running the utest occupies one hart. The execution is judged as completed
when finish_flag=0x0007, and the thread running the utest will call list_thread()
to print the information. Observe whether T0 to T2 are running on different
harts simultaneously.
Signed-off-by: Mengchen Teng <[email protected]>
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truncation #10943
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Signed-off-by: Ze-Hou <[email protected]>
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Signed-off-by: Ze-Hou <[email protected]>
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by improper priority configuration. (#10956)
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by improper priority configuration.
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mtsafe_kprint_tc #10945
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Signed-off-by: Ze-Hou <[email protected]>
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* [fix][utest] correct spelling of ''pref_test' to 'perf_test'
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