rt-thread.git/components/lwp/arch, branch v5.2.0-beta

[lwp/riscv]修正用户态参数空间占用堆地址空间的问题 (#10014)

2025-03-10T14:45:26Z

* [lwp/riscv]修正用户态参数空间占用堆空间的问题

kernel: cleanup debug APIs

2024-12-20T22:50:00Z

- `dbg_log` is a “NOT RECOMMENDED API”, convert the calling of this API to LOG_x and remove this API. - `dbg_here`/`dbg_enter`/`dbg_exit`: no one use these APIs, remove them directly. Signed-off-by: Chen Wang

feat: smart: user space context optimization

2024-09-20T03:02:39Z

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

[libcpu/arm64] feat: Trimming General Context

2024-07-18T09:41:48Z

This patch focuses on the ARM64 general context handling code. The modifications are aimed at enhancing performance by simplifying context save/restore operations. Changes include: - Adjusted stack alignment in `arch_set_thread_context` function. - Updated `lwp_gcc.S` to reset frame pointer and link register. - Refined `rt_hw_backtrace_frame_unwind` to handle user space address checks. - Added `GET_THREAD_SELF` macro in `asm-generic.h`. - Simplified context saving/restoring in `context_gcc.h` and related files. - Optimized `rt_hw_context_switch_interrupt` and related assembly routines. Signed-off-by: Shell

[lwp][vdso] Add VDSO functionality under the aarch64 architecture (#9176)

2024-07-15T09:58:29Z

Add VDSO functionality under the aarch64 architecture

[format] cleanup libcpu/aarch64 (#8950)

2024-06-27T16:23:09Z

* [dfs] fixup compiler warning Signed-off-by: Shell * [format] libcpu/arm64: separate context switching codes Signed-off-by: Shell * [format] libcpu/arm64: separate vector Signed-off-by: Shell * [format] libcpu/arm64: separate context_gcc.S Signed-off-by: Shell * [format] libcpu/arm64: moving headers to include directory Signed-off-by: Shell * style: replace tab with space --------- Signed-off-by: Shell

[rv]修正signal退出后用户态sp少8的问题 (#9080)

2024-06-24T13:36:32Z

[rv]信号处理进入用户态前恢复gp (#9072)

2024-06-21T01:09:41Z

* [rv/virt/stackframe.h]添加GP寄存器保存偏移量宏 * 【rv/c906/stackframe.h]定义GP寄存器存储偏移量 * [rv]信号处理切换到用户态前恢复gp

[libcpu] rv64: support for ARCH_REMAP_KERNEL (#9067)

2024-06-18T03:15:59Z

* [libcpu] support for ARCH_REMAP_KERNEL These changes introduce support for the ARCH_REMAP_KERNEL configuration, which isolates kernel space in high virtual address regions. This feature is necessary to enhance memory protection and management by segregating user and kernel spaces more effectively. Changes: - Updated conditional macros to check for ARCH_REMAP_KERNEL instead of ARCH_KERNEL_IN_HIGH_VA in board initialization files to reflect the new configuration option. - Modified qemu-virt64-riscv Kconfig and SConstruct files to include and utilize ARCH_REMAP_KERNEL. - Created a new linker script `link_smart.lds` for smart linking in qemu-virt64-riscv. - Updated rtconfig.py to use a more flexible execution path setup. - Enhanced user address space definitions in `lwp_arch.h` to support the new virtual address mappings. - Adjusted kernel memory initialization and mapping logic in `c906/mmu.c` and `virt64/mmu.c` to account for high virtual address regions. - Added Kconfig option to enable ARCH_REMAP_KERNEL for RISCV64 architectures. - Enhanced memory setup functions to support new mapping scheme, including updates to early page table setup and address relocation logic. These modifications ensure that the system can utilize high memory addresses for the kernel, improving memory isolation and system stability. Signed-off-by: Shell * fixup: CI run failed * bsp: default config without using smart * fixup: static checks * restore rt_hw_mmu_kernel_map_init for D1 --------- Signed-off-by: Shell

[lwp/riscv]进入libc前初始化用户态sp (#8997)

2024-05-28T22:52:38Z