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fix:Disable "-Wimplicit-fallthrough" below GNUC V7
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This patch optimizes the user-space context handling in the ARM64
architecture, specifically improving how the context is saved and
restored during system calls and interrupts. The changes make the
code more efficient and easier to maintain, while ensuring proper
preservation of user context during system transitions.
Changes:
- Introduced a parameter for context saving to improve flexibility.
- Replaced hardcoded stack pointer operations with frame-relative
references for better readability and code reuse.
- Simplified context restoration, removing redundant operations like
loading/storing floating-point registers.
Signed-off-by: Shell <[email protected]>
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The ref_count of the vnode is NOT bound to the resource reference counts
of the ptm device created by opening `dev/ptmx`, so the conditional
release of resource may end up by memory leaking if the multiple user
have open the `dev/ptmx`.
Changes:
- Removed conditional branch on recycling resource
Signed-off-by: Shell <[email protected]>
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1.Fixup `fdt_reserved_memory_reg` loop time.
2.Fixup `rt_fdt_translate_address` cells value reader.
Signed-off-by: GuEe-GUI <[email protected]>
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Fix some code style and init for V2M, ITS.
V2M is the PCI MSI/MSI-X for GICv2.
ITS is the PCI MSI/MSI-X for GICv3/v4.
Signed-off-by: GuEe-GUI <[email protected]>
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PIC may free because some wrongs in debug.
We should remove in PIC list or there are
some undefined behavior will happen.
Signed-off-by: GuEe-GUI <[email protected]>
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When call the child handler, the PIC ops needn't
lock again.
Critical zone protection by PIC implementers.
Signed-off-by: GuEe-GUI <[email protected]>
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Signed-off-by: GuEe-GUI <[email protected]>
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don't reinit pirq's list if cascade
Signed-off-by: GuEe-GUI <[email protected]>
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fix log format and reopen with a different oflag issue
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* [action] add toolchain install script
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The mode permissions for character, block, and pipe devices were
previously set to 0777, which is overly permissive and not in line
with standard practice. This change reduces the permissions to 0666,
restricting execute permissions while still allowing read/write access.
Changes:
- Adjusted permissions for character/block/pipe devices from 0777 to 0666.
Signed-off-by: Shell <[email protected]>
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The `LWP_CONSOLE_INPUT_BUFFER_SIZE` is a legacy config option for TTY
driver used in smart. Since the driver is updated, there's no dependency
of this option any more.
Changes:
- Removed unused Kconfig option `LWP_CONSOLE_INPUT_BUFFER_SIZE`
Signed-off-by: Shell <[email protected]>
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In manual, the prototype of lseek is
`off_t lseek(int fd, off_t offset, int whence);`
where the return type is `off_t` but not ssize_t.
Signed-off-by: Shell <[email protected]>
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netdev_lo无需单独处理，可以根据协议去找对应的网络设备
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https://github.com/RT-Thread/rt-thread/pull/9420
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Changes:
- create new folder name `common64` and save all common codes of rv64
inside
Signed-off-by: Shell <[email protected]>
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DMA and CPU address view is different, we need to convert them:
+--------+ +--------+ +---------+ +--------+
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| CPUs | | DEV0 | | IOMMU <----+ | DEV1 |
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+----+---+ +----+---+ +----+----+ | +----+---+
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0x200000 | 0x1000 | 0x1000 | | 0x8000 |
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+-------------+-----------+ +----------+
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+--------v----------------------------------------------------+
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| Address BUS |
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+-------------------------------------------------------------+
Signed-off-by: GuEe-GUI <[email protected]>
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Maybe use for memory/DMA buffer init before
ofw_node unflatten.
Signed-off-by: GuEe-GUI <[email protected]>
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The ofw parse should:
1. Check obj_name EQU the current node's rt_data.
2. Find the next object name.
3. goto "2" until obj_name EQU the cmp_cell's obj_name.
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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rt_ofw_append_child append a new child node and return,
ref_get is necessary.
Signed-off-by: GuEe-GUI <[email protected]>
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Signed-off-by: GuEe-GUI <[email protected]>
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netdev的函数不会在中断中调用，无需关中断
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此目录中为rv64通用代码
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Signed-off-by: Yilin Sun <[email protected]>
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* [action][cppcheck] add summary
添加summary 方便查看出错信息
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'--check-level=exhaustive'
这个选项可以更深入的在分支中检测，但是会耗时比较久一些。
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This patch consolidates the separated architecture-specific code for
rv64 (virt64 and c906) under a more unified approach. The changes
aim to enhance maintainability and code reuse, reducing duplication
between these two architectures while adding small improvements in
porting compatibility.
Changes:
- Modified build scripts (SConscript) for both virt64 and c906 to
remove ASID and vector dependencies when not required.
- Updated c906's sbi.c and sbi.h to use standard integer types
(uint32_t) and include the missing <stdint.h> header.
- Unified inline function declaration for `sbi_call` across both
c906 and virt64 using `rt_inline`.
- Disabled FPU and vector in c906's startup assembly file, aligning it
with the virt64 handling.
- Corrected syscall handler type definitions in c906 for consistency.
Signed-off-by: Shell <[email protected]>
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This patch aims to unify the two currently separated RISC-V 64-bit
architecture ports, 'virt64' and 'c906', into a single generic
'common64' port. The changes include renaming files and updating
includes to use a unified 'interrupt.h' header, as well as making
adjustments to IO and trap handling to be more consistent between the
two architectures.
Changes:
- Renamed 'rt_interrupt.h' to 'interrupt.h' and updated includes accordingly.
- Unified IO register access functions in 'riscv_io.h'.
- Added 'opcode.h' for portable assembly support.
- Updated 'plic.c' and 'plic.h' to handle interrupts in a unified manner.
- Modified 'trap.c' to handle exceptions and interrupts consistently for 'rv64'.
Signed-off-by: Shell <[email protected]>
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