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This patch addresses the potential issue of uninitialized elements in
the argument vector returned by `lwp_get_command_line_args()`. The
previous implementation could leave `argv` in an inconsistent state
if certain errors occurred, leading to possible undefined behavior.
Changes:
- Replaced `rt_malloc()` with `rt_calloc()` to ensure `argv` is properly initialized.
- Added a consistent error handling path using `goto error_exit` to handle memory allocation failures and string copy errors.
- Ensured `lwp_free_command_line_args()` is called before returning on error, preventing potential memory leaks.
Signed-off-by: Shell <[email protected]>
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* mmap2 failure handling
当传入一个非常大的地址时，offset会计算得到一个值，又因为传入的地址错误，rc会得到错误码，结合offset会得到一个很奇怪的值。
* Implementation of setpgrp
执行setpgrp会走到这一步，在执行getpgrp无法得到创建的group的值
* Modify the return method of mmap
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clone failed (#9327)
add error log when tid depleted, and return correct errno when clone failed
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fix mount param issue
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Signed-off-by: Shell <[email protected]>
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[libcpu] trimming ARM64 general context
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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 <[email protected]>
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Do unmap before shrink so we don't see mapped entry on page table
insertion, which is not acceptable for riscv implementation of
architecture porting.
Changes:
- add un-mapping of pte on `_null_shrink()`
Signed-off-by: Shell <[email protected]>
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Add VDSO functionality under the aarch64 architecture
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* [dfs] fixup compiler warning
Signed-off-by: Shell <[email protected]>
* [format] libcpu/arm64: separate context switching codes
Signed-off-by: Shell <[email protected]>
* [format] libcpu/arm64: separate vector
Signed-off-by: Shell <[email protected]>
* [format] libcpu/arm64: separate context_gcc.S
Signed-off-by: Shell <[email protected]>
* [format] libcpu/arm64: moving headers to include directory
Signed-off-by: Shell <[email protected]>
* style: replace tab with space
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Signed-off-by: Shell <[email protected]>
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Signed-off-by: Shell <[email protected]>
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* [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
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* [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 <[email protected]>
* fixup: CI run failed
* bsp: default config without using smart
* fixup: static checks
* restore rt_hw_mmu_kernel_map_init for D1
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Signed-off-by: Shell <[email protected]>
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* [smart] fixup: precise mm fault type
Also, fixup arm64 read access fault
* arm64: using meaningful macro on trap
* fixup: renaming macro
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* [smart] add CPU usage tracing config
This patch introduces following features:
- Added CPU usage tracing functionality, enabled by default, for
applications like 'top'
- update time as smart independent
Signed-off-by: Shell <[email protected]>
* fixup: add ump idle thread
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Signed-off-by: Shell <[email protected]>
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This patch fixup the script execution capabilities on argv passing
and adds support for arguments larger than 4k.
According to POSIX, the script parameter is quiet different
from the current implementation. Especially on the way it inserts
the path of executables. At the end, when you execute a script
from `$PATH`, it always fails.
For the script, interpreter will be invoked with the following
arguments: `{interpreter [optional-arg] pathname arg...}`
where pathname is the pathname of the file specified as the first
argument of execve(), and arg... is the series of words pointed
to by the argv argument of execve(), starting at argv[1]. Note that
there is no way to get the argv[0] that was passed to the
execve() call.
The changes include:
- Separating argument, environment variable, and auxiliary vector
processing into a new lwp_args.c file.
- Fixing bugs in script argument processing and supporting arguments
larger than 4k.
- Updating lwp_execve to use the new argscopy function and removing
the old lwp_argscopy function.
- Making various modifications to lwp_load and elf_aux_fill to work
with the new argument processing.
- Removing unnecessary code related to dynamic loading and interpreter
scripts.
Signed-off-by: Shell <[email protected]>
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* list_process can print tid
* fix-ci
* update list_process
* Update lwp_pid.c
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Use _SYS_WRAP to fetch errno on return of mkdir to avoiding overriding
of it on other system APIs.
Signed-off-by: Shell <[email protected]>
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Correct `sched_setaffinity()` to use the thread IDs (TIDs) instead of
process IDs (PIDs). The previous implementation used PIDs, which
caused issues since affinity settings need to be applied at the
thread level.
As the manual documented, the signature is:
> int sched_setaffinity(pid_t pid, size_t cpusetsize,
> const cpu_set_t *mask);
Yes, it's tricky, the identification passing in is called **'PID'**.
But when we talk about 'pid' from GNU libc, it's the **'task-id'**,
aka, `thread->tid` known in kernel.
Changes were made by updating the function signatures and logic in
`lwp.h`, `lwp_pid.c`, and `lwp_syscall.c` to accept TIDs. Specifically,
the `lwp_setaffinity` function and related internal functions now
operate using thread IDs and adjust thread affinity settings accordingly
Signed-off-by: Shell <[email protected]>
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Signed-off-by: Shell <[email protected]>
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Signed-off-by: Shell <[email protected]>
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* [libcpu] rv64: discard rt_current_thread
* arm: using rt_thread_self to fetch current TCB
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Signed-off-by: Shell <[email protected]>
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* [smart] select console device dynamically
- Fixed compiler warning on terminal subsystem for
`components/lwp/terminal/terminal.h`
- Updated default console setup to dynamically select an appropriate tty
device based on the configured console device name.
Signed-off-by: Shell <[email protected]>
* fixup: remove useless codes
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Signed-off-by: Shell <[email protected]>
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* [smart] fixup arm64 aspace switch
Signed-off-by: Shell <[email protected]>
* fixup: arm add arch_kernel_mmu_table_get
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Signed-off-by: Shell <[email protected]>
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* fix baudrate error
* fix baudrate error
* fix baudrate error
* fix baudrate error
* fix baudrate error
* fix baudrate error
* fix baudrate error
* fix baudrate error
* fix baudrate error
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Signed-off-by: Shell <[email protected]>
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In this patch, a hook list has been introduced to address the concerns
regarding coupling issues arising from modifications to the serial code
for integrating TTY logic.
Signed-off-by: Shell <[email protected]>
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Signed-off-by: Shell <[email protected]>
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Signed-off-by: xqyjlj <[email protected]>
Signed-off-by: Shell <[email protected]>
Co-authored-by: xqyjlj <[email protected]>
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Signed-off-by: Shell <[email protected]>
Co-authored-by: xqyjlj <[email protected]>
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Including the patch for memory allocation, testsuites and fixups of
static analysis.
Signed-off-by: Shell <[email protected]>
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